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With integral optical element for guiding or distributing light from the light source

Subclass of:

349 - Liquid crystal cells, elements and systems

349056000 - PARTICULAR STRUCTURE

349061000 - Particular illumination

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
349064000 Diffuser between light source and liquid crystal 312
349065000 Edge lit type light guide behind liquid crystal 293
349067000 Reflector having particular shape behind light source 44
349063000 Specifically for guiding light in a front-lit device 21
349066000 Louvres 1
20080231774Lighting device and display device provided with the same - To provide a flat lighting device used for a liquid crystal display device and the like that can be made thin and lightweight and produced at low cost, the lighting device of the present invention includes a plurality of surface light emitting plates which are two-dimensionally arranged. Each of the plurality of surface light emitting plates includes a light guide portion and a light source portion provided in an end portion of the light guide portion. The light guide portion and the light source portion are integrally provided. The light source portion of a surface light emitting plate two-dimensionally overlaps with the light guide portion of another surface light emitting plate adjacent thereto, so light having a uniform intensity can be emitted above the plurality of surface light emitting plates.09-25-2008
Entries
DocumentTitleDate
20100157197BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE SAME - A backlight unit for a liquid crystal display device includes a reflection plate, first and second light guide plates over the reflection plate, the second light guide plate disposed between the first light guide plate and the reflection plate, wherein the first light guide plate includes first and second sections alternating with each other, and the second light guide plate includes third and fourth sections alternating with each other, the first and third sections having patterns at rear surfaces, the second and fourth sections excluding patterns, wherein the first section corresponds to the fourth section, and the second section corresponds to the third section, first and second light-emitting diode (LED) assemblies at opposite sides of the first and second light guide plates, each of the first and second LED assemblies including LEDs arranged in first and second lines, and a plurality of optical sheets over the first light guide plate, wherein the LEDs of the first lines of the first and second LED assemblies face opposite side surfaces of the first light guide plate, and the LEDs of the second lines of the first and second LED assemblies face opposite side surfaces of the second light guide plate.06-24-2010
20100165243PRISM SHEET, BACK LIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME - A prism sheet prevents the occurrence of a moiré pattern and a wet-out phenomenon by increasing irregularity of prisms formed thereon, by configuring the prisms adjacent to each other to have different heights, and by differently forming widths of triangular sectional surfaces of one prism according to positions. As the height difference of the prisms adjacent to each other is set as 1.2-1.5 μm, a pressure applied to the prism sheet is distributed to the prisms. This may prevent deformation of the prisms.07-01-2010
20130044274DISPLAY DEVICE WITH POLARIZED BACKLIGHTS - A stereoscopic display device includes a display panel, two different polarized backlights and a synchronization module. The display panel is used to alternately generate first visible images and second visible images. The two different polarized backlights are to alternately illuminate the display panel so as to output the first visible images and second visible images, respectively. The synchronization module is used to synchronize the first visible images and second visible images with illumination periods of the respective polarized backlights.02-21-2013
20130044276TRANSPARENT DISPLAY DEVICE AND DRIVING METHOD THEREOF - A transparent display device and a driving method thereof. The transparent display device includes a light guide plate transmitting incident light impinging from its exterior or its back surface and reflecting backlight light impinging from its side surface to its front surface; and an active reflector disposed on the back surface of the light guide plate. The active reflector includes a cholesteric liquid crystal layer transmitting the incident light in a planar phase in a transparent mode.02-21-2013
20130044275LED Backlight Module and Liquid Crystal Display Device Using the Same - The present invention discloses a LED backlight module and a LCD device using the same, and the backlight module comprises a backplane and a light guide plate, wherein the edge of said light guide plate is fixed on the backplane by elastic part(s). Because the present invention uses the elastic parts to connect the light guide plate with the backplane, uses the elasticity of the elastic parts to fix the light guide plate in the backlight cavity and align the light guide plate with the LED. Thus, the thinner rubber frame designed for thinning is not used for compressing the light guide plate any longer, the backlight module is thinner, and the positioning of the light guide plate is more reliable.02-21-2013
20130044277ILLUMINATION APPARATUS, LIQUID-CRYSTAL DISPLAY APPARATUS, AND ELECTRONIC DEVICE - An illumination apparatus includes: a light-guiding plate; a plurality of light-emitting elements disposed along a side-end surface of the light-guiding plate that serves as a light-entry portion, each of the plurality of light-emitting elements has a light-emitting surface which faces toward the light entry portion; a light source substrate, disposed and separated with a space from the light entry portion of the light-guiding plate when viewed from above, that includes a mounting surface for the plurality of light-emitting elements, the mounting surface being orthogonal to the side-end surface serving as the light entry portion; and a step portion with which an end portion of the light source substrate located toward the light-guiding plate makes contact.02-21-2013
20110176085BACKLIGHT UNIT AND DISPLAY DEVICE HAVING THE SAME - A backlight unit may include a light emitting part to emit light, an optical engine in which light provided from the light emitting part propagates, and a light guide plate in which light provided from the optical engine propagates. Light dispersion members may be provided on a surface of the optical engine from which light is emitted to the light guide plate.07-21-2011
20110199555LIGHTING SYSTEMS & DEVICES INCLUDING SAME - A lighting system is disclosed. The lighting system comprises at least one light source comprising a light emitting diode (LED) and one or more phosphors optically coupled to the LED to convert at least a portion of original light emitted by the LED to provide a modified LED light having a first predetermined spectral output, and an optical material that is optically coupled to at least a portion of a surface of a light guide plate and optically coupled to receive at least a portion of the modified LED light and to convert at least a portion of the modified LED light to at least one predetermined wavelength to provide modified light having a second predetermined spectral output, wherein the optical material comprises one or more types of quantum confined semiconductor nanoparticle. A device including a lighting system is also disclosed.08-18-2011
20120200803LIQUID CRYSTAL DISPLAY DEVICE - According to one embodiment, a liquid crystal display device includes a liquid crystal cell, light source devices and a light guide plate. The light guide plate applies, to a rear surface of the liquid crystal cell, light beams from the light source devices. The light guide plate includes a first light input portion at a first-shorter-side side surface and a second light input portion at a second-shorter-side side surface. The light guide plate includes a flat first surface opposed to the rear surface and a second surface opposite to the first surface. The second surface includes a first slant surface inclined so that a thickness of the light guide plate decreases as a position goes from the first-shorter-side side surface to an approximately central portion and a second slant surface inclined so that the thickness decreases as a position goes from the second-shorter-side side surface to the approximately central portion.08-09-2012
20100020262PRISM SHEET AND LIQUID CRYSTAL DISPLAY HAVING THE SAME - Disclosed is a dual layer prism sheet including two patterned prism sheets adhered to each other with an adhesive layer interposed therebetween. The adhesive layer includes a polymeric adhesive and a lubricant. A liquid crystal display including the dual layer prism sheet is also disclosed. Each pattern on the prism sheet is arranged to make a predetermined angle with a liquid crystal panel.01-28-2010
20100053499LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device has a liquid crystal display module including a backlight unit and a liquid crystal panel; a first polarizing plate attached to a side of the liquid crystal panel, the side facing the backlight unit; a transparent front plate mounted on a side of the liquid crystal panel, the side not facing the backlight unit; a transparent organic medium layer placed between the front plate and the liquid crystal panel; and a second polarizing plate attached to a surface of the front plate, the surface opposite from a surface thereof closer to the transparent organic medium layer. An end section of the second polarizing plate is sealed using resin so as not to be directly exposed to air.03-04-2010
20120169963LIQUID CRYSTAL DISPLAY APPARATUS - Provided is a liquid crystal display device. The liquid crystal display device includes a packaging tape assembling a liquid crystal display panel to a backlight unit. The packaging tape surrounds at least a portion of top and side surfaces of the liquid crystal display panel and a side surface of the backlight unit.07-05-2012
20080259242POLARIZED LIGHT EMITTING DEVICE - A polarized light emitting device has a planar emitting device, a phase-shift device, a polarizing reflecting device, and a reflecting device. The planar emitting device emits light from a front and back surfaces of the planar emitting device. The phase-shift device transmits the light emitted from said planar emitting device, and changes the polarization direction of the light. The polarizing reflecting device transmits or reflects the light according to the polarization of the light emitted from the front surface or transmitted by said phase-shift device. The reflecting device reflects the light emitted from the back surface or transmitted by said phase-shift device.10-23-2008
20080259241AREA LIGHT SOURCE APPARATUS AND LIQUID CRYSTAL DISPLAY APPARATUS ASSEMBLY - Disclosed herein is an area light source apparatus for illuminating a liquid crystal display apparatus of the transmission type, which has a display area formed from a plurality of pixels arrayed in a two-dimensional matrix, from the back, including: a plurality of light emitting element assemblies each provided as a light source and each including a light emitting element and a lens through which light emitted from the light emitting element passes; and a plurality of dummy lenses disposed in the proximity of each of the light emitting element assemblies and configured same as the lenses of the light emitting element assemblies.10-23-2008
20080259240REFLECTOR MEMBER, BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS HAVING THE SAME - In a backlight assembly, a reflector member includes a base sheet reflecting a light and a connecting line disposed on a face of the base sheet and, and transmitting signals. An input pad is disposed at a first end portion of the connecting line and receives the signals, and an output pad is disposed at a second end portion of the connecting line and outputs the signals transmitted through the connecting line.10-23-2008
20110194048LIQUID CRYSTAL DISPLAY DEVICE - Provided is a liquid crystal display in which occurrence of iridescent unevenness is suppressed, even when a film with high level of mechanical properties, chemical resistance and water-barrier properties is used as a polarizer-protective-film. Also, disclosed is a polarizing plate to be used in the liquid crystal display. The liquid crystal display includes a liquid crystal cell, a light source, a first polarizing plate placed between the liquid crystal cell and the light source, and a second polarizing plate placed on a viewer side of the liquid crystal cell. The first polarizing plate includes a polarizer and a first protective film placed on a light source side principal surface of the first protective film, and the first protective film satisfies following relations: (i) 0 nm≦Re08-11-2011
20130077024OPTICAL DEFLECTOR, OPTICAL DEFLECTION APPARATUS, AND LIQUID CRYSTAL DISPLAY APPARATUS USING THE OPTICAL DEFLECTOR AND THE OPTICAL DEFLECTION APPARATUS - An optical deflector which deflects incident light, includes an optical deflection element which deflects the incident light when a distribution of internal refraction indexes of the optical deflection element is modulated. The light incident on the optical deflection element is emitted from the optical deflection element after passing through the optical deflection element a plurality of times.03-28-2013
20130077023DISPLAY APPARATUS PROVIDING SIDE VIEW LUMINANCE ENHANCEMENT - A flat panel display device is provided with an increased viewing angle having good dark versus light imaging contrast. The display device includes a display panel, a first optical unit, and a second optical unit. The display panel includes a liquid crystal layer that is driven in a vertical alignment mode. The first optical unit includes a negative C-plate and a first polarizer having a first absorption axis. The second optical unit includes a biaxial compensation plate having a refractive indices coefficient, (nx−nz)/(nx−ny) of more than 0.45 and less than 0.55, and a second polarizer having a second absorption axis crossing the first absorption axis. The biaxial compensation plate has a refractive indices relationship of nx>nz>ny such that dispersion of polarization states of colored light rays passed through the C-plate and the liquid crystal layer may be minimized and gathered about an extinction point, thereby improving contrast at side viewing angles.03-28-2013
20130077021DISPLAY DEVICE - According to one embodiment, a display device includes light guide bodies, light sources, light extraction units, and a control unit. Each light guide body includes one end, another end on an opposite side, and a side surface. The light guide bodies are disposed with a pitch. Each of the light sources is juxtaposed to the one end of each light guide body and configured to cause a light to enter the light guide bodies. Each light extraction unit faces the side surface. Each light extraction unit includes light extraction elements. The control unit is configured to supply an electric signal to each light extraction unit. The control unit makes the light extraction units extract the light that enters the light guide bodies and propagates through the light guide bodies in accordance with the electric signal. Positions between the light extraction elements are uniformly distributed.03-28-2013
20130077022ILLUMINATION DEVICE AND METHOD FOR MANUFACTURING THE SAME - According to one embodiment, an illumination device includes a first substrate, a first electrode section, an organic EL section, a second electrode section, and a second substrate. The first electrode section is provided on a surface of the first substrate and including a plurality of openings. The organic EL section is provided so as to cover the first electrode section and the surface of the first substrate exposed to the plurality of openings. The second electrode section is provided so as to cover the organic EL section. The second substrate is opposed to the surface of the first substrate. The first electrode section is an anode, and the second electrode section is a cathode.03-28-2013
20130077020LIGHT GUIDE AND DISPLAY USING IT IN A BACKLIGHT UNIT - A light guide plate includes a first major surface, a second major surface opposite the first major surface, and a pair of opposite primary side surfaces and a pair of opposite secondary side surfaces that are perpendicular to the first and second major surfaces. The light guide plate further includes a plurality of pairs of opposing grooves including a first groove provided on the first major surface and a second groove provided on the second major surface. The light guide plate further includes a plurality of light sources configured relative to the grooves. A backlight unit includes the described light guide plate fixed to a back plate. A liquid crystal display device includes the backlight unit positioned behind a liquid crystal panel.03-28-2013
20100073598LIQUID CRYSTAL DISPLAY DEVICE, TELEVISION RECEIVER, AND LIGHTING DEVICE - In an embodiment of the present invention, in a liquid crystal display device which controls a light luminance of each of lighting regions, each of lighting regions of a backlight has a smaller width in a horizontal direction than in a vertical direction. This makes it possible to cause a reduction in contrast due to spatial distribution of light luminances, which spatial distribution is generated due to cross talk between lighting regions, to be less perceivable to an observer positioned in an oblique viewing direction.03-25-2010
20100073597THIN EDGE BACKLIGHT WITH LEDS OPTICALLY COUPLED TO THE BACK SURFACE - A backlight includes a waveguide with a plurality of light emitting diodes positioned in cavities in the back surface in a center region of the waveguide. The back surface of the waveguide can be tapered from the center region to the edges so that the edges are thinner than the center region. Additionally, with the light emitting diodes in the center region of the waveguide, as opposed to along the edges, the bezel may be eliminated or at least minimized in height, e.g., 1 mm or less. Additionally, multiple waveguides may be used and configured in a “V” shape to minimize the bezel.03-25-2010
20130038814True Color Liquid Crystal Displaying Device - A true color liquid crystal displaying device is disclosed in the present invention. The true color liquid crystal displaying device includes a light guide module, a LED light source, and a liquid crystal panel without a color filter. The light guide module includes a light guide body, an optical input portion and an emitting surface. The emitting surface includes an emitting area. The LED light source is disposed on the optical input portion of the light guide module for emitting RGB beams. The liquid crystal panel is disposed above the emitting surface of the light guide module. The emitting area aligns with a sub-pixel of the liquid crystal panel. The optical cable inside the light guide module guides the monochromatic beam from the LED light source to each corresponding sub-pixel of the liquid crystal panel, so that the RGB beams is the pixel of the true color performance.02-14-2013
20130038813Back Light Module and Liquid Crystal Display Device Using the Same - The present invention discloses a backlight module and a LCD using the same. Said backlight module comprises a light guide plate, a reflection sheet and a backplane, wherein said reflection sheet is arranged under the light guide plate; said backplane is arranged under the reflection sheet and partially supports the reflection sheet; and said reflection sheet is bent to form one or more supporting ribs for supporting the backplane to prevent the reflection sheet from drooping. The present invention solves the problem that the reflection sheet is affected by heat and then is easy to droop, by bending the reflection sheet of the backlight module to form the one or more supporting ribs for supporting the reflection sheet, and has the advantages of low cost and no negative influence on other components and system structure of the backlight module.02-14-2013
20100045896LASER BACKSIDE IRRADIATION DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - Provided are a laser backside irradiation device and a liquid crystal display device capable of reducing the thickness of the device and improving the contrast while making the luminance distribution substantially uniform. A laser backside irradiation device 02-25-2010
20100110331OPTICAL FILM, BACKLIGHT UNIT, AND LIQUID CRYSTAL DISPLAY - An optical film, a backlight unit including the optical film, and a liquid crystal display including the backlight unit are provided. The optical film includes a base and a projection including a plurality of microlenses and a plurality of grooves positioned around the plurality of microlenses.05-06-2010
20130135558LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display (LCD) device includes a first substrate; a second substrate; a liquid crystal layer disposed between the first and second substrates; a color filter on one of the first and second substrates; a first polarization plate under the first substrate; a second polarization plate over the second substrate; a backlight unit under the first polarization plate; and a quantum rod sheet disposed between the color filter and the second polarization plate.05-30-2013
20130135557BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY - Disclosed is a backlight module having light sources and a light guide plate, and the light guide plate has an incident side, and the lights emitted by the light sources pass through the incident side and enter into the light guide plate, and the a light direction changing layer is positioned at the incident side, and the light direction changing layer is employed for changing progress directions of the lights entering the incident side to shorten a distance perpendicular to the incident side from an intersection point of the lights emitted by adjacent light sources to the light sources. The present invention also discloses a liquid crystal display.05-30-2013
20120262644Liquid Crystal Display and Backlight Module Thereof - A liquid crystal display (LCD) and a backlight module thereof is disclosed. The backlight module comprises a backplate and a light guide plate. The backplate comprises a bottom wall and a sidewall disposed at a periphery of the bottom wall and extending perpendicular to the bottom wall. The light guide plate is supported on the bottom wall. At least one positioning bent-piece is disposed to be bent from the bottom wall, and the positioning bent-piece abuts against a side edge of the light guiding plate to position the light guide plate. In this way, by using the positioning bent-piece disposed on the bottom wall of the backplate to position the light guide plate, the need of disposing an additional positioning structure on the light guide plate is eliminated, so the product yield of light guide plates can be improved.10-18-2012
20130027634LIQUID CRYSTAL DISPLAY DEVICE - There is provided a liquid crystal display device including: a liquid crystal cell sandwiched between a pair of absorption type polarizing plates; a reflection type polarizing plate; a phase difference film; a light collecting sheet; and a surface light source, wherein the liquid crystal cell sandwiched between a pair of absorption type polarizing plates, the reflection type polarizing plate, the phase difference film, the light collecting sheet, and the surface light source are disposed in this order from a display surface side, and the phase difference film has a λ/4 function and the light collecting sheet is formed of a refractive index isotropic material.01-31-2013
20130027633Lighting Device and Liquid Crystal Display Using the Same - Provided is a lighting device comprising: a plurality of LED light sources formed on a printed circuit board; and a reflective unit stacked on the printed circuit board in a structure in which the LED light sources penetrate, wherein the reflective unit comprises a first reflective film and a second reflective film disposed to oppose to each other, and a first adhesive pattern layer which bonds the first and second reflective films, and in which a plurality of unit air cells having a first air area formed in an inner part thereof are closely disposed to communicate with each other.01-31-2013
20100066943BACK LIGHT DEVICE, LIQUID CRYSTAL DISPLAY APPARATUS AND IMAGE DISPLAY APPARATUS USING THE SAME - The liquid crystal display apparatus includes a liquid crystal panel and the back light device for emitting the light from a light source to the liquid crystal panel through a lens. The light source includes a first LED for emitting the light of a first color, a second LED for emitting the light of a second color, a third LED for emitting the light of a third color, a fourth LED for emitting the light of the third color, a fifth LED for emitting the light of the second color, and a sixth LED for emitting the light of the first color. The first, second, third, fourth, fifth and sixth LEDs are arranged on the wiring board in such a manner as to offset the deviation of the light distribution.03-18-2010
20100328573LIQUID CRYSTAL DISPLAY DEVICE - Disclosed is a liquid crystal display (LCD) device capable of minimizing the occurrence of light leakage at peripheral regions of protrusions by maximizing a distance between an image display region and the protrusions, by forming the protrusions at one or more corners of the light guide plate. The LCD device comprises: a light guide plate having protrusions at one or more corners thereof; a main support having fixing grooves formed at one or more corners thereof corresponding to the corners of the light guide plate, the locking grooves for coupling the protrusions of the light guide plate; an LC panel for displaying an image by using light emitted from the light guide plate; an optical source having one or more light emitting diodes (LEDs) for irradiating light to the light guide plate; a reflection sheet for reflecting light emitted from a rear surface of the light guide plate to the light guide plate; and one or more optical sheets disposed between the light guide plate and the LC panel.12-30-2010
20120182498BACK LIGHT UNIT AND LIQUID CRYSTAL DISPLAY HAVING THE SAME - A back light unit and a liquid crystal display having the same are provided. The back light unit includes a light guide plate having a substantially rectangular plate shape and a front surface and a rear surface disposed parallel to each other and four edge surfaces disposed perpendicular to the front surface and the rear surface, at least one light incident surface perpendicular to the front surface and the rear surface being formed on at least one of four corner regions of the light guide plate; and a light source unit which is disposed adjacently on the light incident surface. If the angle between an edge surface which is relatively longer than two edge surfaces which are adjacent to the light incident surface and an incident direction of a light which is projected from the light source unit is θ, the angle θ is 20°<θ<45°.07-19-2012
20120182497DISPLAY BACKLIGHT HAVING LIGHT GUIDE PLATE WITH LIGHT SOURCE HOLES AND DUAL SOURCE PACKAGES - A display may include a backlight structure. The backlight structure may include a light guide plate. Holes in the light guide plate may be configured to receive corresponding light-emitting diodes. The holes may separate an edge portion of the light guide plate from a main central portion of the light guide plate. Adhesive may be attached to the lower surface of the edge portion. The adhesive may be attached to a device housing or may be attached to a flex circuit that is attached to the housing with additional adhesive. The light-emitting diodes may be mounted within packages in pairs. The packages may be mounted on the flex circuit. Traces on part of the flex circuit may be covered by part of the light guide plate without any intervening adhesive. A reflective structure may be interposed between the traces and parts of the main portion of the light guide plate.07-19-2012
20130070182LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - A liquid crystal display device including a a panel having a liquid crystal layer, and a backlight unit coupled to the panel, for irradiating light to the panel, wherein the backlight unit includes a light source, a light guide plate configured to guide light emitted from the light source to the panel, and a fill spacer in a gap between the light source and a light-incident surface of the light guide plate, the fill spacer including a UV curable material or a thermoplastic elastic material.03-21-2013
20130050614LIQUID CRYSTAL DISPLAY - A liquid crystal display includes a liquid crystal cell; a back light including a light source; and a laminated polarizing plate including a protective film, a polarizing film, and a retardation film in sequence from the side of the back light, wherein the angle defined by any one of the long and short sides of the polarizing plate and the absorption axis of the polarization film is 45°, the retardation film has an in-plane slow axis parallel or orthogonal to the absorption axis of the polarizing film, and the liquid crystal display satisfies the formula: M=|δTD/δMD|≧2.0, where M represents the ratio of the dimensional change rates in the entire polarizing plate, δMD (%) represents a percent change of the polarizing plate in the absorption axis direction, and δTD (%) represents a percent change of the polarizing plate in the direction orthogonal to the absorption axis.02-28-2013
20130050611HIGH BRIGHTNESS AND CONTRAST MULTIPLE-VIEW DISPLAY - A multiple-view display which includes a liquid crystal display base panel including an entrance substrate and an exit substrate which sandwich a nematic liquid crystal layer; a backlight on a side of the liquid crystal base panel opposite a side of a viewer; an entrance polarizer positioned between the backlight and the entrance substrate; an exit polarizer positioned between the exit substrate and the viewer; and a parallax element positioned between the exit substrate and the exit polarizer, the parallax element being aligned relative to pixels within the liquid crystal base panel to create different viewing regions, wherein in a display mode nematic liquid crystal within the liquid crystal layer is in a vertically aligned nematic (VAN) liquid crystal mode.02-28-2013
20130050613LIQUID CRYSTAL DISPLAY DEVICE - Provided is a liquid crystal display device which is capable of eliminating a non-display region at a peripheral edge of a display screen, and displaying an image on the entire surface thereof. A backlight unit (02-28-2013
20130050612BACKLIGHT UNIT AND MANUFACTURING METHOD THEREOF, AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME - A backlight unit is provided which includes: a light guide plate which guides incident light from a lateral side of the light guide plate toward a liquid crystal display (LCD) panel placed in front of the light guide plate; a light source unit which includes a light source which emits the light and a light source supporting member which supports the light source and is arranged adjacent to the lateral side of the light guide plate; a supporting frame which is arranged in the backlight unit; a quantum dot (QD) bar which is arranged between the lateral side of the light guide plate and the light source and changes a color of the light emitted from the light source; and a QD-bar fastening unit which fastens the QD bar to at least one of the light source supporting member and the supporting frame.02-28-2013
20100134718ILLUMINATING DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - A backlight (illuminating device) of the present invention is a tandem type backlight including a plurality of light-emitting units (06-03-2010
20100134717LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME - An LCD device includes an LCD panel which includes a first substrate provided on a display-light incident side, a second substrate provided on a display-light emitting side so as to face the first substrate through a liquid crystal material, and a color filter having strip-shaped color layers of a plurality of colors arranged in parallel. The LCD panel has a bright-spot-defect portion inside. The first substrate has a light-shielding portion formed in a region corresponding to the bright-spot-defect portion. The second substrate has a light-collecting portion formed in a region corresponding to the bright-spot-defect portion, for collecting incident light only in an extending direction of a corresponding color layer of the color filter.06-03-2010
20130088663METHOD OF MANUFACTURING POLARIZING PLATE, METHOD OF MANUFACTURING DISPLAY APPARATUS HAVING THE SAME AND THE DISPLAY APPARATUS - A method of manufacturing a polarizing plate includes disposing a non-conductive material on a base substrate, pressing the non-conductive material using a mold and forming a resist pattern, the resist pattern including a plurality of protruding portions, and forming a metal layer on the protruding portions of the resist pattern. Accordingly, a luminance of a display apparatus can be improved and a manufacturing process can be simplified.04-11-2013
20130088664LIQUID CRYSTAL DISPLAY DEVICE - A flexible printed circuit board (04-11-2013
20090303413OPTICAL SHEET PACKAGED BODY, OPTICAL SHEET UNIT, LIGHTING DEVICE, AND DISPLAY UNIT - An optical sheet packaged body in which a wrinkle is not generated is provided. The optical sheet packaged body includes a laminated body in which a plurality of optical sheets such as a light source image segmentation sheet, a diffusion plate, a diffusion sheet, and a luminance enhancement film are layered, and a flexible film that wraps around the laminated body and has one or a plurality of openings to expose at least part of an outer edge of the diffusion plate. An exposed portion exposed from at least one of the openings of the diffusion plate is provided with a shape (supported portion) for positioning to a chassis (bottom chassis and middle chassis) supporting the optical sheet packaged body.12-10-2009
20130057805ILLUMINATION DEVICE, AND DISPLAY DEVICE - An illumination device (03-07-2013
20090040423Backlight unit and image display apparatus employing the same - A backlight unit that can perform local dimming, and has a structure for preventing light leakage and a cooling structure, and an image display apparatus employing the backlight unit. The backlight unit includes a light emitting arrangement adapted to radiate light and a plurality of light. shielding guides adapted to divide the light emitting arrangement into a plurality of unit blocks, the unit blocks being adapted to provide local dimming, the light shielding guides being further adapted to prevent light from traveling from one of said unit blocks to another of said unit blocks.02-12-2009
20090091684LAMP UNIT AND LIQUID CRYSTAL DISPLAY DEVICE - A lamp unit for a liquid crystal display device includes a cold cathode lamp, a lamp cable, a lamp socket and a lamp reflector. The lamp cable is electrically connected to the cold cathode lamp to supply electric power to the cold cathode lamp. The lamp socket supports the cold cathode lamp and has a holder portion holding the lamp cable. The lamp reflector houses the cold cathode lamp and the lamp socket and has a bottom plate, front and rear plates that extend from the bottom plate and a pair of support tabs that extends from lateral end portions of the front and rear plates to sandwich the holder portion of the lamp socket therebetween.04-09-2009
20100091217HYBRID-TYPE POLARIZER, METHOD OF MANUFACTURING THE SAME AND DISPLAY DEVICE HAVING THE SAME - In a hybrid-type polarizer having a reflective-type polarizing filter and a color filter, a method of manufacturing the hybrid-type polarizer and a display device having the hybrid-type polarizer, the hybrid-type polarizer includes a base member and a polarizing color filter member. The polarizing color filter member includes a plurality of metal gratings in a plurality of regions of the base member. The metal gratings in the regions have different sizes from each other. Each of the metal gratings transmits a first portion of an incident light and reflects a second portion of the incident light. The invention improves image display quality and lowers the manufacturing cost.04-15-2010
20090290093PLANAR LIGHT-EMITTING DEVICE AND LIQUID CRYSTAL DISPLAY APPARATUS - A planar light-emitting device has a plurality of light-emitting units each including a light source and a lightguide plate. The light-emitting units are arranged with the light-exiting surfaces of their respective lightguide plates being substantially flush with each other. Each lightguide plate has an upper surface as a light-exiting surface, a lower surface opposite to the light-exiting surface, and a peripheral side surface extending between the respective peripheral edges of the upper and lower surfaces. The lightguide plate emits light received from the light source from the light-exiting surface. At least a part of the peripheral side surface is an inclined surface inclined relative to the light-exiting surface.11-26-2009
20110013118OPTICAL SHEET AND LIQUID CRYSTAL DISPLAY EQUIPPED WITH THE SAME - An optical sheet and a Liquid Crystal Display (LCD) incorporating the same. The LCD includes a sheet-like transparent substrate made of a transparent material and a microscopic structure layer formed on one surface of the transparent substrate. The microscopic structure layer has an array of microscopic structures to emit light. A liquid crystal panel is formed above the microscopic structure layer, and has defined therein a plurality of pixels to display an image. When seen from above the transparent substrate, at least a portion of the microscopic structures has parallel and non-parallel arrangements repeated one or more times in a longitudinal direction thereof with respect to one side-edge of the pixels of the liquid crystal panel.01-20-2011
20110013117DISPLAY DEVICE - A display device with a higher contrast ratio is provided. The display device is provided with stacked polarizing plates arranged displaced from a parallel nicol state. Moreover, in the display device, at least one of a pair of stacked polarizing plates is displaced from a parallel state. The pair of stacked polarizing plates is arranged in a cross nicol state. A retardation plate may be provided between the polarizing plate and the substrate. As a result, the contrast ratio can be increased.01-20-2011
20110013116LIGHTING DEVICE, SURFACE LIGHT SOURCE, AND LIQUID-CRYSTAL DISPLAY APPARATUS - A lighting device includes a light emitting element that emits a first colored light; a phosphor layer disposed on the light emitting element; and a lens part that is disposed so as to cover the light emitting element and the phosphor layer, and radiates light entering inside of the lens part so as to spread the light radially. The phosphor layer allows a part of the first colored light to transmit therethrough and converts another part of the first colored light into a second colored light having a wavelength longer than that of the first colored light. The lens part has: a base portion forming a light entrance surface through which the first colored light and the second colored light enter the lens part; and a diffraction portion forming a light exit surface through which the first colored light and the second colored light exit the lens part, the diffraction portion being configured so that a refracting power with respect to the second colored light is larger than a refracting power with respect to the first colored light.01-20-2011
20090268126Backlight unit and liquid crystal display device including the same - A lamp guide includes: a horizontal part; at least one supporting part extending from a front surface of the horizontal part and having a cone shape; a plurality of holding parts on the front surface of the horizontal part, each of the plurality of holding parts holding a lamp; at least one coupling part extending from a rear surface of the horizontal part and having a trident shape; and a plurality of ribs protruding from the rear surface of the horizontal part and corresponding to the plurality of holding parts.10-29-2009
20090268125LIGHTING UNIT, BACKLIGHT UNIT, LIQUID CRYSTAL DISPLAY DEVICE - In a lighting unit, fluorescent lights and LEDs of different spectroscopic characteristics are alternately arranged in a direction X on an irradiation plane. Light sources of equal light intensity are arranged in a certain pitch for the fluorescent lights such that a uniform light amount is achieved around end portions in the direction X. The LEDs include LEDs aligned on a bottom surface of a chassis and LEDs arranged on an inner sidewall surface of the chassis. As a result, a lighting unit having a uniform amount of light across an entire irradiation plane is achieved.10-29-2009
20090268127ILLUMINATION DEVICE, BACKLIGHT DEVICE USED FOR LIQUID CRYSTAL DISPLAY APPARATUS AND LIQUID CRYSTAL DISPLAY APPARATUS - An illumination device including a plurality of illumination areas, each of which is individually controllable, includes a plurality of light-emitting devices disposed in a matrix pattern in each of the illumination areas where emission colors are disposed in a different manner between adjacent rows and between adjacent columns. Consequently, the emission of uneven luminance or uneven color is prevented from occurring in boundary portions of each of the illumination areas.10-29-2009
20120224120BACKLIGHT UNIT AND DISPLAY DEVICE PROVIDED THEREWITH - Provided is a backlight unit that is capable of suppressing an uneven brightness. The backlight unit (09-06-2012
20130063680Backlight Module and Liquid Crystal Display - A backlight module and a liquid crystal display are provided. The backlight module includes a light guide plate, a source, a first back plate and a second back plate. The first back plate includes a first main body and a first bending portion. The second back plate includes a second main body and a second bending portion. The first main body is slidably connected to the second main body. The light guide plate is fixedly connected to the first main body. A light-emitting surface of the light source is against a light incidence surface of the light guide plate, and another surface of the light guide plate is close to an inner side of the second bending portion. When the light guide plate expands with heat, the expanded light guide plate pushes the second bending portion to make the second back plate slide relative to the first back plate.03-14-2013
20100123857SUBSTRATE STRUCTURE OF LIQUID CRYSTAL DISPLAY AND FABRICATION METHOD THEREOF - In a substrate structure and a fabrication method thereof, light refracting members aligned with wirings or black matrix formed are integrally formed at a surface of a substrate. Light incident on the wirings or the black matrix can be refracted to a pixel region of the liquid crystal display panel. Accordingly, a flux of light being transmitted through the pixel region of the liquid crystal display panel can be improved significantly.05-20-2010
20090237594LIQUID CRYSTAL DEVICE AND ELECTRONIC APPARATUS - A liquid crystal device includes a pair of substrates with a liquid crystal layer interposed therebetween. A planar region of the pair of substrates has at least one display pixel region and at least one viewing-angle control pixel region that performs dark display in the front direction of surfaces of the pair of substrates and has brightness variable depending on a viewing angle in an oblique direction to the normal direction of the surfaces of the pair of substrates. A pair of electrodes driving the liquid crystal layer is provided in the display pixel region and the viewing-angle control pixel region. A voltage applied between the pair of electrodes in the viewing-angle control pixel region at the time of driving the liquid crystal layer in the viewing-angle control pixel region is higher than a voltage applied between the pair of electrodes in the display pixel region.09-24-2009
20130162930POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY INCLUDING THE SAME - A polarizing plate includes a polarizer and at least one protective film on at least one side of the polarizer. The protective film has an in-plane retardation (Re) of greater than about 10,000 nm at a wavelength of 550 nm, as calculated by Re=(nx−ny)×d, wherein nx and ny are indexes of refraction in x-axis and y-axis directions of the protective film, respectively, and d is a thickness of the protective film.06-27-2013
20090027588LED BACKLIGHT SYSTEM FOR LCD DISPLAYS - A LCD system including multiple light sources optically coupled through different light entry regions to at least one waveguide element positioned to backlight a LCD panel. A LCD system including multiple light sources coupled to light entry regions of two or more waveguides comprising a waveguide system positioned to backlight a LCD panel. Waveguides of various configurations and promoting even lighting of associated LCD panels are provided. Resulting LCD systems enable uniformly lit panels having diagonal measurements in excess of 12 to 14 inches, but the invention is not limited to panels of any particular size.01-29-2009
20090009685POLARIZER AND LIQUID CRYSTAL DISPLAY HAVING THE SAME - A liquid crystal display includes a backlight unit, a liquid crystal display panel, and first and second polarizers. The first polarizer is attached to a lower portion of the liquid crystal display panel to face the backlight unit, and the second polarizer is attached to an upper portion of the liquid crystal display panel to correspond to the first polarizer. The liquid crystal display panel includes a first optical layer that partially reflects light provided from the backlight unit, and the first polarizer includes a second optical layer to prevent the light reflected by the first optical layer from being re-reflected to the liquid crystal display panel.01-08-2009
20120113356POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY PROVIDED WITH THE SAME - A polarizing plate includes a polarizer, a thin film on the polarizer, the thin film having an in-plane phase difference (Ro) of about 500 nm to about 3000 nm, and a coating layer disposed on one side of the thin film and having a haze value of about 15% to about 35%.05-10-2012
20120113355LIQUID CRYSTAL DISPLAY DEVICE - A light source section provided in a backlight unit has a smaller width in a direction perpendicular to a length direction of the light source section than a width in the same direction of the liquid crystal panel. A plurality of LED modules are arranged along the length direction of the light source section. The LED modules are respectively assigned to areas of the liquid crystal panel, which are extended in the width direction of the light source section. Lenses are respectively disposed over the LED modules and expand light toward the areas. A control device controls each of the plurality of light sources separately or each of groups into which the plurality of light sources are divided, separately. Accordingly, it is possible to improve a contrast of a display screen, while reducing the number of light sources.05-10-2012
20120113354Display Device and Method for Manufacturing Optical Member - Disclosed are a display device and a method for manufacturing an optical member. The display device includes a light source; a plurality of wavelength conversion particles to convert a wavelength of a light generated from the light source; and a tube to receive the wavelength conversion particles, wherein a scattering pattern is formed on at least one surface of the tube.05-10-2012
20120236229LIGHT EMITTING DEVICE - Provided is a light-emitting device exhibiting a high light-emission efficiency and moreover may utilize an external light radiating from the back side. A light-emitting device has a light-emitting element and a reflective layer reflecting light emitted from the light-emitting element. The reflective layer has a first layer constituted from a liquid crystal having a helical structure; a second layer disposed on opposite side of the first layer from the light-emitting element, and constituted from a liquid crystal having a helical structure with the same twisting direction as the first layer; and a third layer interposed therebetween to divide a light transmitted through the third layer itself into two intrinsic polarized lights causing a phase difference between the two intrinsic polarized lights.09-20-2012
20120268688SURFACE LIGHT SOURCE UNIT, SURFACE ILLUMINATION DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE - Provided is a surface light source unit which has a high-directivity point light source and has a decreased thickness in the in the direction in which light is irradiated from said point light source. Also provided are a surface illumination device and a liquid crystal display device. A plurality of small chambers (10-25-2012
20100225850SURFACE EMITTING DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - A surface emitting device comprises a light guide plate having a light outgoing surface and a reflection surface and an LED light source that includes an LED element and is provided so that light emitted from the LED element enters the light guide plate through a light incoming end surface of the light guide plate. The light guide plate includes a concave portion correspondingly to the LED element on a side of the reflection surface just in front of the LED light source. The concave portion has dimensions in which a width in a width direction of the light guide plate is equal to or larger than a width of a light outgoing surface of the LED element, and a depth from the reflection surface in a thickness direction of the light guide plate is set so that the concave portion is free from overlapping with a region opposed to the light outgoing surface of the LED element.09-09-2010
20120008065WHITE LIGHT EMITTING DIODE AND LIQUID CRYSTAL DISPLAY INCLUDING THE SAME - A white light emitting diode includes a blue light emitting diode (“LED”) light source, and a light conversion layer which converts incident light from the blue LED light source into white light. The light conversion layer includes a green light emitting semiconductor nanocrystal and a red light emitting semiconductor nanocrystal. The white light emitting diode has a red, green and blue color (“RGB”) color locus which is within a chrominance error range (±4ΔE*01-12-2012
20110102708Display device and planar light source device - The present invention relates to a technique which can make a backlight used in a liquid crystal display device thin and light-weighted. The present invention provides a liquid crystal display device which includes a display panel and a backlight which is arranged behind the display panel, wherein the backlight includes a film-like light guide member, a film-like light semi-transmissive member which is adhered to a first surface of the light guide member which faces the display panel in an opposed manner, a film-like reflective member which is adhered to a back surface of the light guide member opposite to the first surface, and a spot light source which is arranged at a position of the light guide member at which light is incident on the light guide member from the first surface or the back surface, and a refractive index of the light semi-transmissive member is set smaller than a refractive index of the light guide member.05-05-2011
20100277668OPTICAL FILM LAMINATES - Optical film laminates of birefringent polyester films and adhesive are disclosed. The laminates have a thickness of at least 10 mils (0.25 mm). The laminates of the invention are useful in displays having a diagonal of 37 in (94 cm) or greater.11-04-2010
20100171902Liquid crystal display - A liquid crystal display having a backlight module, liquid crystal layer and a color filter layer is disclosed in the invention. An ultraviolet unit for emitting ultraviolet is disposed in the backlight module. The color filter layer is composed of a purity of pixels, and at least one of the purity of pixels is filled with a wavelength-converting material. The wavelength-converting material can convert ultraviolet into green light.07-08-2010
20120293743LIGHT EMITTING DEVICE AND LIQUID CRYSTAL DISPLAY APPARATUS - Provided is a light emitting device including: a light source; and a light guide plate that receives light emitted by the light source and emits it from a light emitting surface thereof. The light emitting device is provided with a fixing mechanism for fixing the light guide plate to a main body side of the light emitting device by using a structure that does not inhibit thermal expansion of the light guide plate.11-22-2012
20110128470LIGHT DISTRIBUTION CONTROL PANEL, DISPLAY DEVICE FOR MOUNTING ON MOBILE UNIT, LIGHT DISTRIBUTION CONTROL SHEET, OPTICAL COMPONENT, LIGHTING DEVICE, AND DISPLAY DEVICE - There is provided a light distribution control panel that can suppress reflection on a glass surface in a mobile unit when the light distribution control panel is applied to a display device mounted on the mobile unit, and a display device for mounting on a mobile unit in which the light distribution control panel is used. A light distribution control panel includes a base body serving as a plate-like or sheet-like base material made of a translucent material, and the base body has a plurality of convex portions for light distribution control formed on one surface opposite to the backlight side of the base body. The plurality of convex portions are positioned to extend in parallel to one another. The light distribution control panel includes a light transmission/reflection suppressing portion (a surface of one side surface having higher roughness than that of a surface of the other side surface) for suppressing emission, from at least a part (one side surface) of a surface of the convex portion, of light incident from a surface of the base body on the light source side.06-02-2011
20120236230DEVICE SUBSTRATE AND METHOD FOR MANUFACTURING SAME - Disclosed is a device substrate wherein an insulating layer (09-20-2012
20100321610ILLUMINATION DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - An illumination device includes a plurality of light source blocks defined by a first partition wall and a second partition wall, the light source blocks being provided with LEDs. The illumination device is capable of adjusting a luminance of each of the plurality of light source blocks. A projection section to diffuse the light is provided on a vertex of the first partition wall. As a result, it is possible to prevent a luminance irregularity and a color irregularity from occurring between illumination areas when adjusting the respective luminance in each of the plurality of illumination areas.12-23-2010
20100182536LASER ILLUMINATED BACKLIGHT FOR LIQUID CRYSTAL DISPLAYS - A flat panel display includes a backlight with a plurality of lasing elements. A light distributor distributes light from the lasing elements across the flat panel display. In edge-lit backlights, the light distributor may be a light guide. In direct-lit backlights, the light distributor may be one or more light diffusers that randomize the polarization of light. A polarization enhancement film increases the polarization of light from the light distributor by allowing light of a first polarization to pass through the film and reflecting light that is not of the first polarization back into the backlight. The light reflected back into the backlight is randomly re-polarized within the backlight. An array of light modulators arranged across the flat panel display modulates light emitted by the backlight.07-22-2010
20090207338Liquid Crystal Display Device - A liquid crystal display device comprising a liquid crystal display panel, a backlight and a heat sink member is disclosed. The backlight comprises a light-guiding plate disposed on one principal surface side of the liquid crystal display panel, LED light sources disposed on an end surface of the light-guiding plate, a mounting board for mounting the LED light sources thereon and a thermally conductive member connected to the mounting board. The heat sink member is connected to the mounting board through the thermally conductive member.08-20-2009
20100201916THIN BACKLIGHT USING LOW PROFILE SIDE EMITTING LEDS - Backlights containing low profile, side-emitting LEDs are described that have improved brightness uniformity. In one embodiment, the backlight comprises a solid transparent lightguide with a plurality of openings in a bottom surface of the lightguide, each opening containing a side-emitting LED. Prisms or other optical features are formed in the top wall of each opening to reflect light in the lightguide towards a light output surface of the lightguide so that the side-emitting LEDs do not appear as dark spots at the output of the backlight. To avoid any direct emission from the sides of the LED toward the output surface of the lightguide appearing as bright areas, optical features are formed at the edges of the opening or in the output surface of the lightguide so that direct emission light is not output from the lightguide. Substantially identical cells may be formed in the lightguide using cellular walls around one or more LEDs.08-12-2010
20100201915DISCHARGE TUBE FOR INFRARED COMMUNICATION INTERFERENCE SUPPRESSION, LIGHTING DEVICE FOR DISPLAY DEVICES, AND LIQUID CRYSTAL DISPLAY DEVICE - The present invention provides a discharge tube for infrared communication interference suppression, a lighting device for liquid crystal display devices, and a liquid crystal display device, each capable of suppressing infrared communication interference. The present invention is a discharge tube for infrared communication interference suppression, including a pair of electrodes, wherein the discharge tube contains mercury, argon gas, and rare gas thereinside, the rare gas having an excitation energy lower than that of argon gas. Krypton gas is mentioned as the rare gas. The discharge tube may further contain neon gas thereinside.08-12-2010
20100201914LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF MANUFACTURING SAME - A liquid crystal display device 08-12-2010
20100201913LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF MANUFACTURING SAME - A liquid crystal display device 08-12-2010
20100201912LIQUID CRYSTAL DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - A liquid crystal display device 08-12-2010
20110285938HIGH BRIGHTNESS LIQUID CRYSTAL DISPLAY - The LCD sequentially comprises, from bottom to top, a backlight module, a first polarizer, a first substrate, a liquid crystal layer, a second substrate, and a second polarizer. The second substrate comprises plural transparent areas thereon. The first substrate comprises plural light-focusing arrays. Each of the light-focusing arrays comprises plural high-refractive areas and low-refractive areas disposed between the high-refractive areas. The plural high-refractive areas comprises a first high-refractive area and plural second high-refractive area disposed on two sides of the high-refractive areas symmetrically, wherein the widths of the second high-refractive areas are the same and smaller than the width of the first high-refractive area.11-24-2011
20120105767DIRECTIONAL LIGHT GUIDE PLATE, DIRECTIONAL SURFACE LIGHT SOURCE, AND THREE-DIMENSIONAL IMAGE DISPLAY APPARATUS EMPLOYING THE DIRECTIONAL SURFACE LIGHT SOURCE - Directional light guide plates, directional surface light sources, and three-dimensional (3D) image display apparatuses employing the directional surface light sources are provided. Each of the directional light guide plates includes a plurality of viewing zone separation units having a refractive index different from that of a light guide unit, for separating light into left and right viewing zones.05-03-2012
20120099047ORGANIC LIGHT EMITTING DIODE DISPLAY - An OLED display according to an exemplary embodiment includes: a first substrate; a second substrate facing the first substrate; an organic light emitting element on the first substrate; a liquid crystal driving electrode facing the organic light emitting diode at a lower portion of the second substrate; and a plurality of liquid crystals between the organic light emitting element and the liquid crystal driving electrode. In this case, the plurality of liquid crystals has optical isotropy when an electric field is not applied and has optical anisotropy when the electric field is applied.04-26-2012
20110285937BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE - A backlight unit comprising: a light guide plate for causing light to exit in a planar manner from an upper surface of the light guide plate, the light having entered the light guide plate from an LED; a substrate provided along an end surface of the light guide plate and having an LED mounted on a counter surface of the substrate, the counter surface facing the end surface of the light guide plate; a frame provided along the substrate and attached to the substrate on a rear surface of the substrate, the rear surface being opposite to the counter surface; and one or a plurality of insulating members arranged in such a manner that the one or the plurality of insulating members and the frame sandwich the substrate, the one or the plurality of insulating members each fixing a screw point of a screw inserted from the frame into a through-hole provided through the frame and the substrate.11-24-2011
20110299011ELECTRONIC DISPLAYS USING OPTICALLY PUMPED LUMINESCENT SEMICONDUCTOR NANOCRYSTALS - A multicolor electronic display is based on an array of luminescent semiconductor nanocrystals. Nanocrystals which emit light of different colors are grouped into pixels. The nanocrystals are optically pumped to produce a multicolor display. Different sized nanocrystals are used to produce the different colors. A variety of pixel addressing systems can be used.12-08-2011
20110299010TRANSPARENT LIQUID CRYSTAL DISPLAY DEVICE - Disclosed is a transparent liquid crystal display device provided with a compensation film of a liquid crystal panel to change the polarizing state of light in an image mode thereby enhancing a viewing angle characteristic, and the transparent liquid crystal display device may include a liquid crystal panel; a light source disposed at one side of a lower portion of the liquid crystal panel to emit light; a first polarizing plate for polarizing the light emitted from the light source; a light guide plate disposed at a lower portion of the liquid crystal panel to totally reflect the light polarized to an axis by the first polarizing plate to a lateral surface thereof and supply to the liquid crystal panel, and transmit natural light entered from a lower direction therethrough; a second polarizing plate disposed at an upper portion of the liquid crystal panel to control the amount of polarized light transmitting the liquid crystal panel; and a first positive A-film disposed at a lower portion of the liquid crystal panel to change the polarized state of the light outputted from the light guide plate and supplied to the liquid crystal panel, wherein the horizontal direction phase difference value (Re) is 120 nm.12-08-2011
20090153774BACK LIGHT MODULE AND LIQUID CRYSTAL DISPLAY - A liquid crystal display (LCD) including an LCD panel and a back light module is provided. The back light module is disposed below the LCD panel. The back light module includes a planar light source, a reflective polarized light enhancement film, a first prism film and a λ/4 phase retardation film. The planar light source is disposed below the LCD panel, while the reflective polarized light enhancement film is disposed between the LCD panel and the planar light source. The first prism film is disposed between the reflective polarized light enhancement film and the planar light source. Besides, the λ/4 phase retardation film is disposed between the reflective polarized light enhancement film and the first prism film. The back light module has a relatively high light utilization rate, and the LCD has favorable display luminance.06-18-2009
20110292318LIQUID CRYSTAL DISPLAY DEVICE - Provided is a liquid crystal display device includes an optical switching member; a light guide plate made of a thermoplastic material, which includes at least one light introducing portion on at least one side surface thereof; and a light source disposed on the at least one side surface, in which: the at least one light introducing portion includes, in plan view of the light guide plate: a first portion extending from a light incident surface, which is an end surface of the at least one light introducing portion, while keeping a substantially constant width; and a second portion, which extends from the first portion and has a form which widens; and at least the second portion is connected to a front surface of the light guide plate through an inclined surface which is smoothly continuous with the front surface of the light guide plate.12-01-2011
20110292319DUAL MODE ELECTRO-OPTIC DISPLAYS - A display comprises, in this order: a layer (12-01-2011
20110141396ILLUMINATION DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - A backlight (06-16-2011
20090002598Backlight unit and liquid crystal display device having the same - Provided is a backlight unit with an extending portion that extends from one of a plurality of sheets included in an optical sheet. The optical sheet is on a light guide plate, and a light emitting diode chip is disposed at a side of the light guide plate. A portion of a flexible printed circuit board, to which the light emitting diode chip is mounted, overlaps a portion of the light guide plate. The extending portion overlaps the portion of the flexible printed circuit board. Thus, the occurrence of lines of light due to light progressing between the light guide plate and the flexible printed circuit board can be prevented, thereby obtaining uniform brightness and improving image quality.01-01-2009
20110187966LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device (08-04-2011
20110216269LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a first substrate, a second substrate, a liquid crystal layer, a light source, a dielectric multilayer film, and a transistor array. The liquid crystal layer is provided between the first substrate and the second substrate. The light source irradiates the liquid crystal layer with light through the first substrate. The dielectric multilayer film is provided on a surface of the first substrate, the surface facing the second substrate. The transistor array is provided on the dielectric multilayer film.09-08-2011
20090273727LIGHT-EMISSION LENS, LIGHT-EMITTING ELEMENT ASSEMBLY, SHEET-SHAPED LIGHT SOURCE DEVICE AND COLOR LIQUID CRYSTAL DISPLAY ASSEMBLY - There is provided a lens formed from a circular bottom face (11-05-2009
20090195728DISPLAY UNIT - A display unit in which the view angle in the horizontal direction of emitting light is wider than the view angle in the vertical direction thereof, in which the emitting light has a polarization component in the vertical direction viewable with the use of a polarized sunglass, and which is able to improve display luminance is provided. A luminance enhancement film has a plurality of convex sections which extend toward in the horizontal direction and are arranged in the direction crossing the extending direction, and in which the refractive index in the extending direction is larger than the refractive index in the arrangement direction. A wave plate changes the polarization direction of light entering the wave plate so that an angle made by a polarization direction of the polarization component in the arrangement direction of the convex section after passing through the wave plate among light passing through the luminance enhancement film and the direction of a polarizing axis a of a first polarizer becomes small. A second polarizer has a polarizing axis b that transmits the polarization component in the vertical direction.08-06-2009
20110216266WEDGE BACKLIGHT WITH DIFFRACTION GRATING - Embodiments are disclosed herein that relate to backlighting a display panel comprising color filters via an optical wedge. For example, one disclosed embodiment provides a display panel comprising a plurality of pixels, and also comprising an optical wedge disposed optically upstream of the display panel such that light emerging from the light output interface backlights the display panel. The display system further comprises one or more light sources configured to introduce light into the optical wedge, and a diffraction grating disposed optically between the light sources and the display panel.09-08-2011
20110216268LIGHT GUIDE PLATE AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A light guide plate is for reflecting incident light from an end surface thereof in an inside to obtain surface emission from a front surface thereof. The light guide plate includes protrusions and recesses formed on one of the front surface and a rear surface on an opposite side of the front surface. The protrusions and recesses are formed of a shape in which first mountain-range shapes each including a first ridge continuing along a first direction, which is a direction toward the inside from the end surface, and second mountain-range shapes each including a second ridge continuing along a second direction intersecting with the first direction are combined. Each first mountain-range shape includes a pair of first side surfaces on both sides of the first ridge. Each second mountain-range shape includes a pair of second side surfaces on both sides of the second ridge.09-08-2011
20090190066LIQUID CRYSTAL MODULE - A liquid crystal module includes a rear frame, a light reflecting sheet, a plurality of U-shaped cold cathode tubes, an optical sheet and a liquid crystal panel. The light reflecting sheet is disposed on the rear frame. The U-shaped cold cathode tubes are disposed above the light reflecting sheet and arranged parallel to each other. Each of the U-shaped cold cathode tubes includes a U-shaped bent part and a pair of end portions extending from the U-shaped bent part. Widths of the U-shaped bent parts of the U-shaped cold cathode tubes are different from each other. Overall lengths of the U-shaped cold cathode tubes from one end portions to the other end portions along the U-shaped cold cathode tubes are equal to each other. The optical sheet is disposed above the U-shaped cold cathode tube. The liquid crystal panel is disposed above the optical sheet.07-30-2009
20090237592Planar Illumination Device - Thinning of a planar illumination device using LEDS is accelerated while higher and more uniform brightness is promoted. A planar illumination device 09-24-2009
20120188482BACK LIGHT UNIT AND LIQUID CRYSTAL DISPLAY INCLUDING THE SAME - A backlight unit having improved luminance and reduced profile, and a liquid crystal display including the same are disclosed. In one embodiment, the backlight unit includes: i) a light source, ii) a light guiding plate including an incoming surface on which light generated from the light source is incident, an upper surface substantially perpendicularly extended with respect to the incoming surface, and a bottom surface arranged facing the upper surface and iii) an optical sheet formed on the light guiding plate. The upper surface of the light guiding plate includes a guiding surface, an incoming surface, and an emission surface sequentially arranged close to the incoming surface of the light guiding plate, and the optical sheet may be formed to cover the inclined surface and the guiding surface.07-26-2012
20090161038LED backlight device and LCD device - A backlight device includes a first substrate having optical transparency and having first and second surfaces opposite to each other. An LED thin-film is fixed to the first surface of the first substrate. An anode electrode and a cathode electrode are formed on the LED thin-film. An anode driver IC and a cathode driver IC are provided for driving the LED thin-film to emit light. An anode wiring and a cathode wiring are provided on the first surface of the first substrate. A second substrate has optical transparency, and has first and second surfaces opposite to each other. The second surface of the second substrate faces the first surface of the first substrate. A reflection film is provided on the first surface of the second substrate. A light diffusion plate is provided so as to face the second surface of the first substrate and has a function to diffuse incident light.06-25-2009
20090153775OPTICAL SHEET, BACKLIGHT AND LIQUID CRYSTAL DISPLAY APPARATUS - An optical sheet has a large number of cylindrical lens elements provided successively on one of principal faces thereof. The cylindrical lens elements have a hyperboloidal face or a paraboloidal face and have a finite focal distance on the emission side of illumination light. Where a Z axis is taken in parallel to a normal line direction to the optical sheet and an X axis is taken in a direction of the row of the cylindrical lens elements, a cross sectional shape of the cylindrical lens elements satisfies Z=X06-18-2009
20090153773Backlight Apparatus and Liquid Display Apparatus - By controlling light emission, non-emission, and light intensity of each of the light emitting elements arranged on a backlight unit, a point-shaped light emitting point is created and the light emitting point is moved along the arrangement of pixels formed on a liquid crystal display panel unit. By moving the light emitting point as if an electron beam were scanning in the CRT display, it is possible to enhance the dynamic image blur removal effect.06-18-2009
20120140143METHODS FOR ASSEMBLING DISPLAY STRUCTURES WITH ALIGNMENT FEATURES - Displays for electronic devices may be provided with display structures such as liquid crystal display module structures. Backlight structures may provide backlight. A cover glass may be mounted above a liquid crystal display module. When assembling a display, layers of components may be attached to one another using adhesive. Alignment features may be incorporated into the layers of components to ensure that components are laterally and rotationally aligned before being secured to each other. A liquid crystal display module may have a thin-film transistor layer on which alignment marks are formed. Backlight structures may include a light guide plate, a chassis that receives the light guide plate, and a reflector. The chassis may have alignment openings corresponding to the alignment marks on the thin-film transistor layer. The reflector may have portions that overlap the alignment holes or may have portions that are recessed and do not overlap the alignment holes.06-07-2012
20100309408LIQUID CRYSTAL MODULE - A liquid crystal module is provided. A light reflective sheet is provided on a bottom plate of a rear frame. A cold cathode tube is provided on the light reflective sheet in the rear frame. A pair of left and right covers which are made of the light reflective sheet are disposed inside left and right side plates of the rear frame to cover over both end portions of the cold cathode tube. Each of the covers includes an inclined sheet portion inclined downwardly toward the inside of the rear frame; an upper edge portion bent outwardly from an upper end of the inclined sheet portion; and a insertion piece protruded inwardly from a lower end of the inclined sheet portion. The upper edge portion is mounted on a support plate portion provided in an upper end of each of the left and right side plates of the rear frame and fixed to the support plate portion with a fixture. The insertion piece is inserted and fixed between the bottom plate of the rear frame and the light reflective sheet through a cut portion formed at each of left and right end portions of the light reflective sheet.12-09-2010
20090147178Multi view display device and method of fabricating thereof - A multi-viewing display device includes a display panel for displaying images; a back light for supplying the light to the display panel; and a viewing converting unit having a plurality of parallax barriers for reflecting the light from the back light and non-reflecting the light from the display panel to control the path of the light in accordance with a desired viewing direction. The viewing converting unit may include a substrate; at least one layer of a parallax barrier made of high reflective material to reflect the light on the substrate; and at least one layer of the parallax barrier made of low reflective material to block the light on the first parallax barriers.06-11-2009
20110261288RESIN-TYPE LIGHTGUIDE PLATE COMPOSITION, BACKLIGHT UNIT INCLUDING LIGHTGUIDE PLATE FORMED USING THE COMPOSITION, AND LIQUID CRYSTAL DISPLAY INCLUDING THE BACKLIGHT UNIT - A resin-type light guide plate composition, a backlight unit including the light guide plate formed using the composition and a liquid crystal display including the backlight unit. The resin-type light guide plate composition includes urethane-(meth)acrylate oligomer prepared by reacting a reaction product of a compound prepared by reacting divalent polyol and divalent isocyanate with (meth)acrylate monomer including hydroxyl group, hydrogen bond type (meth)acrylate including hydroxyl group or carboxyl group, acrylic monomer having a maximum shrinkage rate of 15% or less, represented by the equation (10-27-2011
20080266487Liquid crystal display and television apparatus - A display device includes: a panel; a light source provided on a surface disposed with facing at an interval of a predetermined distance from the back of the panel of said panel; and at least one optical sheet placed in front of said light source; wherein said optical sheet is placed with predetermined inclination angle to the above back of the panel so that it becomes closer from the top end to the bottom end of the back of the panel of said panel.10-30-2008
20110149202LIGHT GUIDE PLATE FOR DISPLAYING THREE-DIMENSIONAL IMAGE, AND THREE-DIMENSIONAL IMAGE DISPLAY APPARATUS EMPLOYING THE SAME - A light guide plate for displaying a three-dimensional (3D) image, and a 3D image display apparatus employing the same. The light guide plate includes a transparent body formed in a flat panel shape, and for guiding light with total internal reflection in the transparent body; and a plurality of viewing zone separation units aligned inside the transparent body. Light incident on two side surfaces of the light guide plate is separated into different viewing zones by reflective surfaces of the viewing zone separation units.06-23-2011
20100123856LIQUID CRYSTAL DISPLAY APPARATUS - A liquid crystal display apparatus includes a liquid crystal display device, a surface light source to irradiate illumination light toward the display device, and an optical member to reflect linearly polarized light having a light-vibration plane parallel to its reflection axis and to transmit linearly polarized light having a light-vibration plane parallel to its transmission axis. The display device includes a pair of substrates facing each other through a gap, a liquid crystal layer sealed into the gap between the substrates, and a pair of polarizing plates sandwiching the substrates therebetween. The substrates include electrodes formed on one of their facing surfaces. The optical member is arranged between the display device and the light source so that the reflection axis faces a direction crossing an absorption axis of the polarizing plate arranged between the display device and the light source at an angle falling within the 15° to 90° range.05-20-2010
20100014023LIGHTING DEVICE FOR DISPLAY DEVICE, DISPLAY DEVICE AND TELEVISION RECEIVER - A lighting device for a display device includes a display panel, a light source, and an optical member to be arranged between the light source and the display panel. The optical member has light reflectivity that is higher at an end of the plane of the optical member than at the center thereof.01-21-2010
20110199557LIGHT DIRECTING FILM - A light directing film and an optical system incorporating same are disclosed. The light directing film includes a first major surface and a microstructured second major surface. The microstructured second major surface has at least two periodic microstructured patterns. The first periodic pattern is arranged along a first direction. The second periodic pattern is arranged along a second direction different from the first direction.08-18-2011
20100079700LIQUID CRYSTAL DISPLAY - A liquid crystal display includes a liquid crystal layer causing a selective reflection and exhibiting Kerr effect, first and second electrodes applying voltage to the liquid crystal layer, a first circular polarizer disposed between the liquid crystal layer and a viewer and allowing a first circularly polarized light incident on the liquid crystal layer when irradiated with a natural light, the first circularly polarized light having an electric-field vector rotating in a direction reverse to a rotation direction of an electric-field vector of a circularly polarized light selectively reflected by the liquid crystal layer, and a second circular polarizer facing the first circular polarizer with the liquid crystal layer interposed therebetween and allowing a second circularly polarized light incident on the liquid crystal layer when irradiated with a natural light.04-01-2010
20090284683LIQUID CRYSTAL DISPLAY PANEL PROVIDED WITH MICROLENS ARRAY, METHOD FOR MANUFACTURING THE LIQUID CRYSTAL DISPLAY PANEL, AND LIQUID CRYSTAL DISPLAY DEVICE - There is provided a liquid crystal display panel with microlenses in which deformation, peeling, and the like of an optical film are not likely to occur and which has a good displaying quality.11-19-2009
20090284682Backlight unit including light emitting diodes and liquid crystal display device including the same - A backlight unit for a liquid crystal display device includes a plurality of white LEDs on a PCB, along a length direction of the PCB, and emitting white lights, the plurality of white LEDs including first and second LEDs alternately arranged; and a plurality of optical sheets on a path of the white lights from the plurality of white LEDs to a liquid crystal panel, wherein the white light from the first LED and the white light from the second LED are substantially complementary in color to each other with respect to a target white light.11-19-2009
20090273728Liquid crystal display apparatus - A liquid crystal display apparatus includes a backlight unit, a second polarization layer, a liquid crystal layer disposed between the backlight unit and the second polarization layer, a first polarization layer disposed between the backlight unit and the liquid crystal layer. In an embodiment, a surface of the first polarization layer facing the backlight unit includes a reflective surface and a surface of the first polarization layer facing the backlight unit includes an absorbent surface. In another embodiment, the first polarization layer includes grids, which include a metal, and absorbing members, which include dielectric materials. In another embodiment, the first polarization layer includes grids, each of which includes a first component including a dielectric material and a second component including a metal.11-05-2009
20090262280LIQUID CRYSTAL DISPLAY WITHOUT COLOR FILTER - Provided is a liquid crystal display (LCD) without a color filter, the LCD including: a liquid crystal panel comprising front and rear glass substrates and a plurality of red, green, and blue liquid crystal subpixels disposed between the front and rear glass substrates corresponding to red, green, and blue lights, respectively; a backlight unit disposed in rear of the liquid crystal panel and comprising a plurality of three-color light supply units supplying the red, green, and blue lights, respectively, and separated from one another so that the plurality of three-color light supply units are compartmentalized; and a lenticular lens array disposed between the liquid crystal panel and the backlight unit, inducing the red, green, and blue lights irradiated by the three-color light supply units into the red, green, and blue liquid crystal subpixels included in the liquid crystal panel and comprising a plurality of lenticular lens groups comprising a plurality of lenticular lenses, wherein the plurality of lenticular lens groups are separated from one another so that the plurality of lenticular lens groups are compartmentalized to correspond to the three-color light supply units, respectively. A lenticular lens array sheet is attached to the liquid crystal panel to remove the color filter in the liquid crystal panel that is the most part of light losses so that light loss can be reduced, power consumption can be reduced and manufacturing costs can be reduced.10-22-2009
20090290094PLANAR LIGHT-EMITTING DEVICE AND LIQUID CRYSTAL DISPLAY APPARATUS - A planar light-emitting device allowing for high luminance uniformity has a plurality of light-emitting units (11-26-2009
20090296019OPTICAL SHEET, BACKLIGHT UNIT, AND LIQUID CRYSTAL DISPLAY - An optical sheet, a backlight unit including the optical sheet, and a liquid crystal display including the backlight unit may be provided. The optical sheet may include a reflective polarizing film, a base film on one surface of the reflective polarizing film, and a plurality of projections on the base film. The base film may include a first surface and a second surface opposite the first surface. A first thickness T12-03-2009
20120293744LIGHT GUIDE SHEET AND DISPLAY DEVICE - A light guide sheet (11-22-2012
20100128201LIQUID CRYSTAL DISPLAY - A liquid crystal display includes a liquid crystal panel including short sides and long sides, a plurality of gate lines disposed on the liquid crystal panel and extending substantially in parallel with the short sides of the liquid crystal panel, a plurality of data lines insulated from the gate lines, intersecting the gate lines and extending substantially in parallel with the long sides of the liquid crystal panel, a printed circuit board disposed near one of the short sides of the liquid crystal panel and providing an image signal to the liquid crystal panel, a light guide plate overlapping the liquid crystal panel, a light source module providing light to the light guide plate and a circuit board on which the light source module is mounted.05-27-2010
20090167982Backlight unit and liquid crystal display using the same - A backlight unit and a liquid crystal display using the backlight unit are disclosed. The backlight unit includes a plurality of lamps, a lower cover whose an upper portion has an opening, a lamp guide, and an optical member on the lamps. The lamps are positioned in an inside space of the lower cover. The lamp guide includes a first support unit on a surface of the inside space of the lower cover, holder units that are positioned on an upper surface of the first support unit to hold the lamps, a second support unit that is positioned on the upper surface of the first support unit to support the optical member, and a fastening unit fastening the first support unit to the lower cover. The first support unit includes a projection for increasing a reflective area.07-02-2009
20090167983Optical sheet and display device having the same - An optical sheet includes a base layer, a light-condensing layer and a plurality of light-reflecting portions. The base layer includes a first surface and a second surface. The light-condensing layer includes a plurality of light-condensing portions with a first pitch. The light-condensing portions are formed along a first direction of the second surface. The light-reflecting portions are formed in the first surface to be spaced apart from each other along the -first direction in correspondence with a plurality of grooves, each groove formed between two light-condensing portions. An interval distance between a center of the light-condensing portion and an edge of the light-reflecting portion increases when moving toward the edge of the first surface from a center of the first surface along the first direction. Therefore, the number of the optical sheets used for the display device may be reduced.07-02-2009
20090167981Reflection/transmission type liquid crystal display apparatus - A liquid crystal display apparatus includes a liquid crystal display device, a surface light source placed on the opposite side of the liquid crystal display device to the observation side, and a reflector placed between the liquid crystal display device and the surface light source. The reflector includes a prism array having prism portions formed on one surface of a transparent sheet-like member, and reflects light that has entered from the observation side and has been transmitted through the liquid crystal display device toward the liquid crystal display device by the prism array.07-02-2009
20110205463DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - A display device includes a display panel, a backlight assembly providing a light to the display panel, a receiving container receiving the backlight assembly and a heat sink member disposed between the backlight assembly and the receiving container. The display panel includes a first substrate including a pixel electrode formed on a pixel region and electrically connected to a switching device, a first alignment layer formed on the pixel electrode, a second substrate including a common electrode layer facing the first substrate, a second alignment layer formed on the common electrode layer, and a liquid crystal layer including a liquid crystal composition having a nematic-to-isotropic transition temperature higher than about 80° C. Thus, black bruising of liquid crystal may be prevented and/or reduced, thereby enhancing a display quality.08-25-2011
20080284941Lamp electrode printed circuit board and backlight unit including the same - A lamp electrode printed circuit board of a backlight unit includes an insulating substrate, first and second conductive patterns on the insulating substrates along a first direction and in parallel, a connecting pattern extending from one of the first and second conductive patterns, a connecting pad at one end of the connecting pattern, auxiliary patterns extending from an edge of the connecting pad, and lamp holders electrically connected to the first and second conductive patterns and spaced apart from each other along the first direction.11-20-2008
20080303975OPTICAL SHEET COMBINATION STRUCTURE, SURFACE EMITTING DEVICE, AND LIQUID CRYSTAL DEVICE - An optical sheet combination structure disposed between a polarizer and a surface emitting unit, includes a first optical sheet having a number of columnar cubic structures of curing resin arrayed on a transparent base, a valley portion between adjacent cubic structures contacting a surface of the transparent base, and a second optical sheet disposed nearer to the side of the polarizer than the first optical sheet, having a number of columnar cubit structures arrayed on a surface, and a refractive index of the cubic structures along an extension direction thereof being different from a refractive index of the cubic structures along an array direction thereof.12-11-2008
20100128200LIQUID CRYSTAL DISPLAY DEVICE AND VIEWING ANGLE CONTROL PANEL - A liquid crystal display device (05-27-2010
20080309845LIQUID CRYSTAL DISPLAY PANEL AND DEVICE THEREOF - A liquid crystal display capable of improving the brightness without depending on the aperture ratio. By setting a lower polarization plate between an array substrate and a color filter substrate, the light reflected from a metal film formed on the array substrate can directly return to a light guide plate. Therefore, the light recycling efficiency is improved and the brightness of the liquid crystal display is improved.12-18-2008
20080273141Light-Emitting Diode Package - A light-emitting diode (LED) package includes a holder. In one implementation, first and second light-emitting chips associated with different wavelengths but same color are disposed on the holder. In another implementation, first and second light-emitting chips associated with different brightnesses but same chroma are disposed on the holder. In yet another implementation, a plurality of first, second, and third color light-emitting chips are disposed symmetrically about a center of the holder.11-06-2008
20080291361WIDE ANGLE MIRROR SYSTEM - Composite mirror systems include a wideband thin film interference stack having a plurality of microlayers and an optically thick layer having a refractive index greater than air but less than the smallest refractive index of the stack. The mirror systems can provide high reflectivity for light propagating in the stack and in the optically thick layer at supercritical angles, while avoiding degradation in reflectivity if dirt or other disturbances such as absorbing materials are present at the mirror backside for example due to contact with a support structure.11-27-2008
20080239199BACKLIGHT UNIT - A backlight unit includes a light source, a light guide guiding light from the light source, an optical sheet disposed on the light guide, and an inner frame having an opening housing the optical sheet. A peripheral portion of the optical sheet includes a projection group respectively at each of the longitudinal sides that are among the constituent sides of an approximately rectangular external contour of the optical sheet. The projection group includes a first projection arranged in a projection insertion region provided in a side wall of the inner frame and a second projection arranged outside of the projection insertion region in the opening of the inner frame.10-02-2008
20080273142LIQUID CRYSTAL DISPLAY DEVICE - The present invention provides a liquid crystal display device in which increase in manufacturing costs is minimized and the utilization rate of illumination light emitted by a backlight source is also improved.11-06-2008
20100265432ILLUMINATION DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - A backlight (illumination device) 10-21-2010
20080239200OPTICAL SHEET AND DISPLAY UNIT - An optical sheet capable of eliminating rapid lowering of the luminance view angle while minimizing the lowering amount of the front luminance, or while avoiding the lowering of the front luminance is provided. The optical sheet includes a first light transmissive film and a second light transmissive film. The first light transmissive film and the second light transmissive film are layered on each other, the first light transmissive film has a plurality of first convexes that extend in a given direction and are arranged in parallel in a direction crossing the given direction in-plane on the second light transmissive film side, and the second light transmissive film has a plurality of second convexes that are arranged in parallel in one direction and are arranged in parallel in a direction crossing the one direction in-plane on the first light transmissive film side, and has shape anisotropy and refractive index anisotropy in-plane.10-02-2008
20080291360Light emitting diode back light module - An LED back light module includes a metal support, a thermal conductive material, a circuit board and at least one light emitting diode. The metal support has a recess and a plurality of holes. The thermal conductive material has a first surface in contact with a bottom of the recess. The circuit board is disposed on a second surface of the thermal conductive material, in which the circuit board has a plurality of flanges lodged into the holes of the metal support for compacting the circuit board, the thermal conductive material and the metal support. The light emitting diode is disposed on the circuit board, in which the thermal energy generated by the light emitting diode is delivered to the metal support through the circuit board and the thermal conductive material.11-27-2008
20100265433PHASE DIFFERENCE ELEMENT AND DISPLAY DEVICE - A phase difference element, in which imbalance hardly occurs between right and left pictures during displaying a three-dimensional image, and a display device having the phase difference element are provided. A base film of the phase difference element includes, for example, a thin resin film having optical anisotropy. A slow axis of the base film points in a vertical or horizontal direction, and points in a direction intersecting with a slow axis of a right-eye region of the phase difference element and with a slow axis of a left-eye region thereof. Thus, influence due to optical anisotropy of the base film is exerted on each light being transmitted by the base film, so that the influence is not extremely greatly exerted on only one of light corresponding to a right eye and light corresponding to a left eye, the respective light being transmitted by the base film.10-21-2010
20110007240HIGH EFFICIENCY MICRO PROJECTION OPTICAL ENGINE - A high efficiency micro projection optical engine includes a light source module, a lens assembly, a micro display panel and a projection lens. Wherein the light source module includes light emitting elements and shaping lens module used to collect and shape the received light beams. The lens assembly is arranged on the path of the emission light of the shaping lens assembly. The shaping lens module and lens assembly form an image of the luminous surface of the light emitting elements in the vicinity of the micro display panel. The micro display panel which is arranged on the path of emission light of the lens assembly modulate incident light and image light with image information is obtained. The projection lens is used to project the image information on the micro display panel and form an image onto a screen. The optical engine of present invention enhances efficiency by means of critical illumination, furthermore, the whole optical engine only relates to illumination device, micro display panel and projection lens, so the optical system has the features that the design of light path is simple and advantage of compact structure and small size.01-13-2011
20090051848Display Unit - The display device according to the present invention includes: a liquid crystal layer 02-26-2009
20080239198Polymer dispersed liquid crystal display and method of fabricating the same - There are provided a polymer dispersed liquid crystal (PDLC) display not using a backlight unit and a method of fabricating the same. The PDLC display comprises a rear substrate over which a thin film transistor (TFT), a first electrode, and a second electrode are formed, a front substrate apart from the rear substrate and having a first black matrix formed thereon corresponding to a region where the TFT is formed, a PDLC layer disposed below the first black matrix and formed between the front and rear substrates, a light source formed on one side of the PDLC layer and configured to provide light to the side of the PDLC layer, and a first reflection plate formed on the other side of the PDLC layer and configured to reflect light incident via the PDLC layer.10-02-2008
20100271567ILLUMINATION DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - An illuminator 10-28-2010
20100141868Replicated bragg selective diffractive element for display illumination - A system for a display is disclosed. The system comprises an illumination source, a light guide, and a diffractive element. The illumination source inserts illumination into the light guide. The diffractive element extracts illumination from the light guide. The diffractive element comprises a modulated diffractive structure.06-10-2010
20090161036BACKLIGHT ASSEMBLY, DISPLAY DEVICE HAVING THE BACKLIGHT ASSEMBLY AND METHOD OF MANUFACTURING THE SAME - In a method of manufacturing a backlight assembly, a light reflective and heat-radiating sheet including a light reflective sheet layer to reflect light and a heat-radiating sheet layer are prepared. The heat-radiating sheet layer includes a coupling layer integrally formed with a surface of the light reflective sheet layer and heat-diffusing particles are dispersed in the coupling layer to diffuse heat provided from the exterior. The light reflective and heat-radiating sheet is disposed so that the coupling layer is adhered to a bottom plate of a receiving container. Thus, impurities may be prevented and/or reduced, and assembling efficiency may be improved.06-25-2009
20090128736DISPLAY DEVICE, METHOD OF THE SAME AND ELECTRONIC DEVICE INCLUDING THE SAME - A display device including a substrate, a driving element, a reflective layer and a first auxiliary layer is provided. The substrate has a first area and a second area. The driving element is placed within the first area. The reflective layer is placed above the first area and at least a portion of the second area and coupled to the driving element. The first auxiliary layer is placed on the reflective layer above the first area. The first auxiliary layer improves the electrical characteristic of the reflective layer. A reflectance of the first auxiliary layer is not larger than a reflectance of the reflective layer.05-21-2009
20110267562LIQUID CRYSTAL PANEL - Provided are a first light-transmitting substrate (11-03-2011
20110267560LIQUID CRYSTAL DISPLAY APPARATUS AND BACKLIGHT - The present invention provides display with high light utilization efficiency, with increased luminance being provided in desired directions.11-03-2011
20090128735BACKLIGHT SYSTEMS FOR LIQUID CRYSTAL DISPLAYS - A backlight system for a liquid crystal display includes a substantially planar, refractive waveguide having a first major face and a second major face opposite the first major face. The waveguide includes a viewable region corresponding to a viewable area of the liquid crystal display. The system further includes a light source positioned proximate to the second major face and within the viewing region for producing light. An injection feature is proximate to one or more of the second major face and the first major face and within the viewing region to optically couple the light into the waveguide such that the light becomes waveguided light. A plurality of extraction features is proximate to one or more of the second major face and the first major face and within the viewing region to optically couple the waveguided light out of the waveguide.05-21-2009
20090161037Backlight Module and Liquid Crystal Display Incorporating the Same - The present invention relates generally to backlight modules for display devices and liquid crystal displays incorporating the same, and more particularly, to a backlight module for generating light with a single polarization state. The present invention provides a backlight module, comprising an optical cavity for reflecting and depolarizing light that is incident upon a front surface of said optical cavity and a multilayer polarizer comprising a plurality of layers. Said multilayer polarizer faces the front surface of the optical cavity and the layers are arranged in such a way that a light of polarization substantially parallel to the transmission axis of said multilayer polarizer is substantially transmitted and the light of substantially orthogonal polarization is substantially reflected by said multilayer polarizer in at least one predetermined wavelength subrange of the visible wavelength range. At least one of said layers comprises rod-like supramolecules forming at least partially a three-dimensional structure in the layer. The present invention also provides a liquid crystal display, comprising a liquid crystal cell, a front polarizer, and a backlight module according to the first aspect of the present invention. The multilayer polarizer of the backlight module faces the back panel and serves as a back polarizer of the liquid crystal display.06-25-2009
20090027589Lighting Device and Liquid Crystal Display Device Provided Such Lighting Device - A first light emitting element(01-29-2009
20120140145IMAGE DISPLAY APPARATUS AND CONTROL METHOD FOR CONTROLLING THE SAME - Disclosed is an image display apparatus comprising pixels each one of which is composed of three subpixels, wherein each pair of the two subpixels is provided with a light source 06-07-2012
20120069271ENERGY EFFICIENT TRANSFLECTIVE DISPLAY - An energy efficient transflective display system is disclosed. In one embodiment, the system comprises a reflector sheet and a multicolored illuminator sheet placed in front of the reflector sheet. A display panel is placed in front of the multicolored illuminator sheet where the display panel has a light valve.03-22-2012
20120069270DISPLAY WITH FOCUSED ILLUMINATION - Some implementations include a liquid crystal display with focused illumination. For example, a light source emitting a plurality of discrete colors may be focused onto a liquid crystal display panel. The liquid crystal display panel has a plurality of pixels and each pixel may have regions corresponding to the colors emitted by the light source. Light of each color can be focused onto the regions of the pixels corresponding to that color.03-22-2012
20120069269METHODS AND SYSTEMS FOR MULTIPLE PRIMARY COLOR DISPLAY - Methods and systems for multiple primary color display are provided. Methods and systems of the present invention improve the spectrum efficiency of a color display system, and provide enhanced brightness and color gamut. In an embodiment, methods and systems of the present invention improve the brightness of a color display system employing a high pressure lamp by efficiently incorporating lights components of the lamp output that are outside the red, green, and blue spectrum in creating the color image.03-22-2012
20120069268LIQUID CRYSTAL DISPLAY AND BACKLIGHT MODULE FOR THE SAME - The present invention discloses a backlight module and a liquid crystal display (LCD) using the same, which can achieve local dimming. The backlight module includes a light guide plate (LGP), which has a groove formed on a bottom. A cross-section of the groove can be arc-shaped. The backlight module further has a plurality of light sources disposed under the LGP at positions corresponding to the groove. The light sources can be two LED light bars. Light emitted from the light bars enters into the LGP and radiates from the LGP. The present invention does not require so many light sources, and thereby power consumption is reduced. The light sources are disposed under the LGP, so that heat can be dissipated through a back plate of the LCD.03-22-2012
20120069267DISPLAY MODULE AND ASSEMBLING METHOD THEREOF - A display module includes a backlight unit, a display panel, a fixing film, a covering plate, and a bezel. The backlight unit has a top portion, a bottom portion opposite to the top portion, a first side, a second side opposite to the first side, a third side, and a fourth side opposite to the third side between the top and bottom portions. The display panel has a display surface and a back surface opposite to the display surface. The display panel is located on the top portion. The back surface of the display panel faces the top portion. The fixing film attached to the back surface extends toward the backlight unit and wraps the first and second sides and the bottom portion. The covering plate is disposed on the display surface of the display panel. The bezel connects the covering plate and exposes the first and second sides.03-22-2012
20090015750Large scale liquid crystal structures - A liquid crystal structure (01-15-2009
20090051849BACKLIGHT UNIT AND IMAGE DISPLAY MODULE FOR IMPROVING BRIGHTNESS UNIFORMITY, AND A METHOD FOR ARRANGING BACKLIGHT UNIT - A backlight unit and an image display module are provided. The backlight unit includes a micro-lens unit, and a light source unit, wherein the direction in which the plurality of lenses are arranged is at an oblique angle relative to the direction in which the plurality of light sources are arranged. Accordingly, uniform brightness is provided to a display apparatus.02-26-2009
20110221999BEAM SPLITTING FILM, BACKLIGHT MODULE, AND STEREO DISPLAY APPARATUS - A beam splitting film includes a light transmissive plate, a plurality of cylindrical lenticular lenses, and a plurality of strip-shaped protrusion groups. The light transmissive plate has a first surface and a second surface. The cylindrical lenticular lenses are disposed on the first surface. The strip-shaped protrusion groups are disposed on the second surface. Each of the strip-shaped protrusion groups includes at least two strip-shaped protrusions. Each of the strip-shaped protrusion groups corresponds to one of the cylindrical lenticular lenses. A distance between an orthographic projection of a geometric center of each of the strip-shaped protrusion groups on the first surface and an orthographic projection of a geometric center of the corresponding cylindrical lenticular lens on the first surface is less than ten times of a distance between the geometric centers of two adjacent cylindrical lenticular lenses. A backlight module and a stereo display apparatus are also provided.09-15-2011
20110222000LIGHT GUIDE PLATE AND LIQUID CRYSTAL DISPLAY DEVICE - A light guide plate has a light incident surface arranged facing a plurality of point light sources arrayed in a line, a light exit surface orthogonal to the light incident surface, and two side surfaces orthogonal to the light incident surface and the light exit surface. Light from the plurality of point light sources introduced from the light incident surface is diffused by a diffusion unit arranged on the light exit surface or a surface facing the light exit surface. The light diffused by the diffusion unit is exited from the light exit surface. A distance between a point light source positioned at an end of the plurality of point light sources and the light incident surface is different from a distance between a point light source not positioned at the end of the plurality of point light sources and the light incident surface.09-15-2011
20110221998ILLUMINATING DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - An illuminating device includes: a light source; a light guide plate which converts light emitted from the light source into a surface light ray and emits the surface light ray through a front surface of the light guide plate; and an optical sheet which changes a propagation direction of the surface light ray emitted from the light guide plate. The light source is arranged in end surface different from the front surface in the light guide plate. A polarization state converting structure to convert a polarization state of the light propagating through the light guide plate is provided in a surface opposing the front surface in the light guide plate. The polarization state converting structure contains an inclination plane having a ridge line in a direction different from a direction in parallel to the longitudinal direction of the end surface.09-15-2011
20110221997Method of Detecting Touch Position, Touch Position Detecting Apparatus for Performing the Method and Display Apparatus Having the Touch Position Detecting Apparatus - A light waveguide has a rectangular plate shape and is configured to totally reflect internal light arriving at an angle greater than a critical angle. Light emitting parts are disposed at corners of the light waveguide. Each of the light emitting parts emits light once in a period. A first light receiving part is disposed along a first side surface of the light waveguide, and receives light emitted from the light emitting parts adjacent to a second side surface facing the first side surface of the light waveguide. The second light receiving part is disposed along the second side surface of the light waveguide, and receives light emitted from the light emitting parts adjacent to the first side surface. A detecting part detects a touch position based on an amount of the light received by the first and second light receiving parts.09-15-2011
20110221996BACKLIGHT MODULE AND STEREO DISPLAY APPARATUS - A backlight module including a beam splitting film, a light guide plate, and two light emitting elements is provided. The beam splitting film includes a light transmissive plate and multiple strip-shaped protrusion structures. Each of the strip-shaped protrusion structures has a first inclined surface group and a second inclined surface group. The first inclined surface group includes a first inclined surface and a second inclined surface with different slopes. The second inclined surface group includes a third inclined surface and a fourth inclined surface with different slopes. The light guide plate is disposed beside the beam splitting film. The two light emitting elements are respectively disposed at two opposite sides of the light guide plate and capable of flickering alternately. A stereo display apparatus is also provided.09-15-2011
20130215361Light Guide Plate, Backlight Module and LCD Device - The invention discloses a light guide plate, a backlight module and an LCD device; the light incident surface of the light guide plate is coated with a layer of fluorescent powder. In the invention, because the light incident surface of the light guide plate is coated with a layer of fluorescent powder, it is not necessary to add the fluorescent powder coating process in the primary color light source, such as the LED package to generate white light; the nonwhite light beams of the primary color light source are changed into white light through the fluorescent powder layer before entering the inside of the light guide plate, so as to guarantee the color requirement of light, and enable the fluorescent powder to be away from the LED chips; thus, the light decline occurrence because the fluorescent powder is heated by the heat generated by the light source, such as heat generated by the LED chips is avoided, the reduction of the light emitting efficiency of the light source because of the change of the fluorescent powder is avoided, and then the luminous intensity of the backlight module and the display effect of the LCD device are increased.08-22-2013
20090040421PRISM SHEET AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - An exemplary prism sheet includes a light input surface, a light output surface opposite to the light input surface, and a plurality of micro-protrusions formed on the light output surface and arranged in a skewed matrix. Each micro-protrusion includes at least three side surfaces connected in turn. A transverse width of each side surface decreases along a direction away from the light output surface. A liquid crystal display device using the prism sheet can efficiently decrease moiré patterns between the prism sheet and the liquid crystal display panel.02-12-2009
20090079905Liquid crystal display apparatus - A liquid crystal display apparatus is provided in which occurrence of a moiré pattern can be prevented without largely reducing front luminance. A liquid crystal display apparatus 03-26-2009
20110228198BACKLIGHT UNIT AND DISPLAY DEVICE - Disclosed are a backlight unit and a display device. The backlight unit includes a bottom cover including first and second longer sides and first and second shorter sides, a light emitting module disposed on at least one of the first and second longer sides and the first and second shorter sides in the bottom cover, a light guide plate having at least a part disposed on the light emitting module in the bottom cover, an optical sheet on the light guide plate, a support member connected to the bottom cover and having at least a part disposed on the optical sheet, and a top cover disposed on the support member and connected to the bottom cover.09-22-2011
20110228196LIQUID CRYSTAL DISPLAY DEVICE - The present invention enables a liquid crystal display device using LEDs as a light source to reduce uneven brightness, increase efficiency of heat discharged from the LEDs, and provide area brightness control. The liquid crystal display device includes a liquid crystal display panel and a backlight. The backlight includes a light guide panel and a plurality of LEDs arranged on a line. The light guide panel includes a concave portion extending in a longitudinal direction of the light guide panel. A large number of LEDs are placed in the concave portion of the light guide panel. The plurality of LEDs arranged on a line emit light alternately in opposite directions. This configuration allows for uniform brightness distribution without forming a large number of concave portions in the light guide panel. Further, this configuration also allows for area brightness control by controlling a large number of LEDs by group.09-22-2011
20090066879LIQUID CRYSTAL DISPLAY DEVICE AND LIQUID CRYSTAL DISPLAY SYSTEM - A light source portion having laser light sources emitting red light, green light, and blue light and conventionally disposed integrally with the liquid crystal display panel is spatially separated from the liquid crystal display panel. Accordingly, the power supply, the optical system, and the heat source are incorporated into the light source portion and are thereby completely separated from the liquid crystal display panel. A laser beam emitted from the light source portion is guided to the liquid crystal display panel via a fiber. In this manner, it is possible to achieve a liquid crystal display device capable of significantly reducing the liquid crystal display panel in thickness and weight.03-12-2009
20090066878Liquid Crystal Display Apparatus - A liquid crystal display apparatus, comprises: a liquid crystal display (03-12-2009
20110141393OPTICAL DEVICES - Provided is an optical device. The optical device includes an optical waveguide comprising a core surrounded by a cladding, a light source providing light to the optical waveguide, and an optics system disposed between the optical waveguide and the light source, the optics system focusing the light emitted from the light source into the core of the optical waveguide and a portion of the cladding adjacent to the core.06-16-2011
20090103005Light Source Module - It is to provide a light source module capable of downsizing an edge-light type backlight in thickness and reducing the usage amount of resin. A method of manufacturing a light source module includes a process of preparing a substrate with a first reflector including a reflecting surface mounted thereon, a process of mounting a plurality of light emitting elements on the substrate, a process of mounting a wiring board having an electrode on the substrate, a process of connecting the electrode of the light emitting element and the electrode of the wiring board with metal wire, a process of mounting a second reflector having a reflecting surface on the wiring board, and a process of filling the space between the first reflector and the second reflector, with resin.04-23-2009
20090103004BACKLIGHT MODULE AND LIGHT GUIDE PLATE - A backlight module includes a frame, a light guide plate, a light source, a reflective film, a diffusion film and a prism film. The light guide plate includes a first side, a second side, a hook, a light-emitting surface, a top side, and a bottom side. The first side is adjacent to the second side. The hook connects to the first side and engages the frame. The light-emitting surface is adjacent to the first and second sides and formed with a plurality of v-shaped grooves and a flat portion. The flat portion corresponds to the hook and abuts part of the v-shaped grooves. The light source is disposed on the second side. The reflective film is disposed on the bottom side. The prism film and the diffusion film are disposed on the top side. The frame accommodates the above-mentioned components.04-23-2009
20110228197DISPLAY WIRING SUBSTRATE AND DISPLAY APPARATUS - A display apparatus includes a display panel, a drive circuit provided to the display panel, and a wiring substrate. The wiring substrate includes a proximal end portion joined to the display panel, an extended portion extended from the proximal end portion, a first fixed portion extended from the extended portion in one direction inclined from an extending direction of the extended portion, and a second fixed portion extended from the extended portion in the other direction inclined from the extending direction. The extended portion is folded back to face the proximal end portion. The first fixed portion and the second fixed portion are folded back so as to straddle side surfaces of the display panel and so that their end portions are arranged on a side of the display panel opposite to a side of the same on which the proximal end portion is arranged.09-22-2011
20090213296LIGHT UNIT, LIQUID CRYSTAL DISPLAY HAVING THE SAME, AND METHOD OF MANUFACTURING THE SAME - A light unit includes a light emitting chip emitting light, a light conversion layer disposed on the light emitting chip, and the light conversion layer including a resin layer and semiconductor particles distributed on the resin layer, and a buffer layer interposed between the light emitting chip and the light conversion layer.08-27-2009
20110141394TRANSPARENT DISPLAY DEVICE - Disclosed is a transparent display device in which the total refection efficiency of a light guide plate supplying light to a liquid crystal display panel is enhanced thereby enhancing luminance in the image mode, and the transparent display device may include a liquid crystal display panel; a light source disposed at one side of a lower portion of the liquid crystal display panel to emit light; a first polarizing plate for polarizing the light emitted from the light source; a light guide plate disposed at a lower portion of the liquid crystal display panel to totally reflect the light polarized to an axis by the first polarizing plate to a lateral surface thereof and supply to the liquid crystal display panel, and transmit natural light entered from a lower direction therethrough; a plurality of air layers formed inside the light guide plate to totally reflect incident light; and a second polarizing plate disposed at an upper portion of the liquid crystal display panel to control the amount of polarized light transmitting the liquid crystal display panel.06-16-2011
20090213297LIQUID CRYSTAL DISPLAY MODULE - A liquid crystal display contains a light source, a light guide panel that directs light from the light source towards a display panel, and optical sheets containing a diffusion sheet that spreads the light from the light guide panel and at least one prism sheet that redirects light from the diffusion sheet in a direction substantially perpendicular to the display panel. The optical sheets contain a region adjacent to the light source that has a hardened part that substantially prevents heat from being transferred to a display region of the optical sheet corresponding to the display region of the display panel and minimizes the temperature difference across the display region. The hardened part is formed on at least opposing sides of the optical sheets, overlaps a non-display region of the display panel and is bent or contains a convex part that projects towards the display panel.08-27-2009
20090237593BACKLIGHT DEVICE, LIQUID CRYSTAL DISPLAY APPARATUS, AND LIGHT DEFLECTING SHEET - According to the present invention, by controlling the angular distribution of the light outputted from a light guide plate to enable the angular brightness distribution of the light emitted from a backlight device to be controlled, the thickness of a liquid crystal display apparatus having the backlight device is reduced as well as the brightness is improved due to the reduction in returned light amount. Furthermore, since light is sufficiently mixed in the light guide plate, light sources with comparative large unevenness are enabled to be used.09-24-2009
20090213295LCD DEVICE - The invention relates to a liquid crystal display device (08-27-2009
20120105768BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY - A backlight module comprises a light source, a reflective plate, a light guiding plate and a back plate. The light source is provided on the light entering side of the light guiding plate, the reflective plate is arranged around the periphery of the light source, and the back plate is provided under the reflective plate and the light guiding plate. A first mating section is provided on the reflective plate, and a second mating section is provided on the back plate. The first mating section is mated with the second mating section to connect and fix the reflective plate to the back plate. A liquid crystal display comprising the backlight module is not deformed when it is subject to an instantaneous external force, thus insuring the interior space of the reflective plate.05-03-2012
20120169965PRISM SHEET, BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY DEVICE THEREOF - The embodiments of present disclosure disclose a prism sheet, a backlight module and a liquid crystal display device thereof. The prism sheet comprises a first sub-prism sheet and a second sub-prism sheet with faces being closely bonded with each other, the first sub-prism sheet having a plurality of protrusions on the surface being bonded with the second sub-prism sheet, and the second sub-prism sheet having recesses on the surface being bonded with the first sub-prism sheet corresponding to the protrusions, wherein the first sub-prism sheet and the second sub-prism sheet are made of materials having different refractive indexes.07-05-2012
20120105766LIQUID CRYSTAL DISPLAY WITH NARROW ANGULAR RANGE OF INCIDENT LIGHT AND METHOD OF MAKING THE DISPLAY - A liquid crystal display includes a liquid crystal panel in the pixel electrode and common electrodes formed within a pixel comprise repeating structures. The angular range of light incident from the light source is narrower along a direction of the repeating structures than along an orthogonal direction.05-03-2012
20120105765BACKLIGHT DEVICE AND DISPLAY APPARATUS - A backlight device according to an embodiment includes: first and second light emitting units configured to emit light; and a semi-transmissive reflector placed between the first light emitting unit and the second light emitting unit. The semi-transmissive reflector has a higher reflectance with respect to light incident on a first face facing the first light emitting unit than a reflectance with respect to light incident on a second face facing the second light emitting unit, the semi-transmissive reflector has a higher transmittance with respect to the light incident on the second face than a transmittance with respect to the light incident on the first face.05-03-2012
20090256995LIQUID CRYSTAL DISPLAY DEVICE, POLARIZING PLATE AND BACKLIGHT SOURCE - A liquid crystal display device according to the present invention includes a liquid crystal panel which has a liquid crystal cell including a predetermined liquid crystal layer and polarizing plates for holding the liquid crystal cell, a backlight source which is arranged on the rear side of the liquid crystal panel, for irradiating the liquid crystal panel with white light, and an absorbing layer which is arranged between the backlight source and the liquid crystal cell, for absorbing only the light of the wavelength band corresponding to a changed color of the white light while passing through the liquid crystal panel in the oblique direction with respect to the normal direction of the liquid crystal panel.10-15-2009
20090256996LIGHT GUIDE PLATE, DISPLAY DEVICE, AND ELECTRONIC APPARATUS WITH DISPLAY - Disclosed herein is a light guide plate including: a side end face on which light from a light source is incident; an incoming part which forms the side end face and by which the light coming in through the side end face is guided; a principal surface which is formed in a direction perpendicular to the side end face and through which the light guided by the incoming part is let go out; and a main body part which forms the principal surface and which is continuous with the incoming part on the opposite side from the side end face.10-15-2009
20100157195LAMINATED POLARIZING PLATE, METHOD FOR PRODUCTION THEREOF AND LIQUID CRYSTAL DISPLAY - The invention relates a long laminated polarizing plate (PL) comprising at least one reflective linear polarizer (Pr) having a transmission axis parallel to the longitudinal direction of the film, and at least one absorptive polarizer (Pa) having a transmission axis parallel to the longitudinal direction. In this long laminated polarizing plate (PL), the reflective linear polarizer (Pr) and the absorptive polarizer (Pa) are arranged such that their transmission axes are parallel to each other. The long laminated polarizing plate of the invention is excellent in productivity and is applicable to a large-sized liquid crystal display.06-24-2010
20090316070DISPLAY APPARATUS SWITCHABLE BETWEEN TRANSMISSIVE MODE AND REFLECTIVE MODE - A display apparatus including a plurality of pixels, each of the pixels including a first polarizing plate; a liquid crystal layer disposed under the first polarizing plate; a second polarizing plate, which is reflective and is disposed under and adjacent to the liquid crystal layer; a backlight unit disposed under the second polarizing plate; and a light absorbing layer disposed under the backlight unit, wherein the plurality of pixels can be switched between one of a reflective mode in which an image is displayed using external light and a transmissive mode in which an image is displayed using light irradiated from the backlight unit.12-24-2009
20120194763REFLECTIVE AND TRANSPARENT LIQUID CRYSTAL DISPLAY DEVICE - A transflective liquid crystal display includes a liquid crystal panel including a first substrate, a second substrate, a liquid crystal layer, the first and second substrates arranged to face each other and the liquid crystal layer between the first and second substrates, a reflection polarizer and an absorption polarizer at opposing outer sides of the liquid crystal panel, and a backlight unit at an outer side of the liquid crystal panel and supplying light to the inside of the liquid crystal panel. A reflective axis of the reflection polarizer is parallel with a transmissive axis of the absorption polarizer, the transmissive axis of the reflection polarizer perpendicularly crosses the transmissive axis of the absorption polarize, and the liquid crystal layer includes liquid crystal molecules and a dichroic dye.08-02-2012
20100157196BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME - A backlight unit capable of preventing an initial driving malfunction is disclosed. The backlight unit includes a bottom cover opened upwardly, a reflective sheet disposed in the inner surface of the bottom cover; a plurality of lamps arranged at a fixed interval on the reflective sheet; an auxiliary light source disposed at the outer side surface of the bottom cover; and a light guide member, opposite to the emitting surface of the auxiliary light source, configured to guide light emitted from the auxiliary light source to the lamps through first and second penetration holes formed on one of the side walls of the bottom cover and the reflective sheet.06-24-2010
20090115935LIQUID CRYSTAL DISPLAY DEVICE - There is provided a liquid crystal display device that includes a liquid crystal panel in a vertically aligned liquid crystal mode, a backlight source placed at the back of the liquid crystal panel to emit white light to the liquid crystal panel, and an optical film placed between the liquid crystal panel and the backlight source and containing dichroic dye aligned in a substantially perpendicular direction.05-07-2009
20100165245BACKLIGHT MODULE CAPABLE OF INCREASING LIGHT OUTPUT EFFICIENCY - A backlight module capable of increasing light output efficiency is disclosed. The backlight module includes a light emitting element, a light guide plate, a circuit board, and an intermediate layer. The light guide plate is disposed at a side of the light emitting element. The circuit board is disposed above the light emitting element and the light guide plate. The intermediate layer is disposed between the light emitting element and the light guide plate, and its light transmittance is greater than that of air. The intermediate layer decreases optical energy loss between the light emitting element and the light guide plate, and a goal to increase the light output efficiency of the backlight module is achieved. The present invention also improves an alignment between the light emitting element and the light guide plate when the light emitting element and the light guide plate are assembled together.07-01-2010
20100165246Illuminating Device And Liquid-Crystal Display Device Using The Same - An illuminating device capable of being produced at low costs and irradiating rays of light uniformly to a liquid crystal panel. The illuminating device has a plurality of LED packages each having LED's and a lens, the LED packages being congregated on a plane in a large area. Each of the LED packages includes at least four LED's corresponding to LED's for emitting at least red, green and blue, and at least two of the LED's in each LED package are positioned symmetrically to the center of the lens and emit the same color.07-01-2010
20100165242LIQUID CRYSTAL DISPLAY DEVICE AND TELEVISION RECEIVING APPARATUS - Provided are a liquid crystal display device and television receiving apparatus having further improved use efficiency of light emitted from a light source while suppressing increase in costs. A liquid crystal display device 07-01-2010
20100165244LIQUID CRYSTAL DISPLAY AND FABRICATING METHOD THEREOF - A liquid crystal display and a fabricating method thereof are provided. The liquid crystal display includes a light guide plate (LGP) guiding light, a light source that is disposed at one side of the LGP, a bottom receiving container including a bottom plate disposed below the LGP and the light source and a cover that covers the light source and is integrally formed with the bottom surface, a reflective sheet member laminated inside the cover facing the light source, a reflective sheet positioned on the bottom plate, a liquid crystal panel receiving the light from the light source and displaying an image, and a top receiving container including a top plate having a window to expose the liquid crystal panel outside, and a first sidewall portion extending along the boundary of the top plate.07-01-2010
20100188608LIGHT-TRANSMITTING FILM, METHOD OF FORMING LIGHT-TRANSMITTING FILM, AND LIQUID CRYSTAL DISPLAY - A light-transmitting film that has a predetermined polarization split function, in addition to a light-collecting function is provided. The index of refraction nx in a prism extension direction and the index of refraction in a prism alignment direction differ from each other. By generating a difference in the indices of refraction in the prism extension direction and the prism alignment direction orthogonal thereto, for the light incident on the light-transmitting film, the polarization component Lx oscillating in the prism extension direction and the polarization component Ly oscillating in the prism alignment direction can have different transmission characteristics. For example, by setting the index of refraction in the prism extension direction greater than the index of refraction in the prism alignment direction (nx>ny), among the light incident on the light-transmitting film, the amount of return light of the polarization component Lx oscillating in the prism extension direction is greater than that of the polarization component Ly oscillating in the prism alignment direction. In this way, not only a light-collecting function, but also a predetermined polarization split function is obtained.07-29-2010
20100014024Light reflecting plate, method of manufacturing the same and light reflecting device - The light reflecting plate has a substrate made of metal plate, a binder layer made of organic resin or an inorganic material, which is formed on the substrate, a reflective layer formed of a plated layer of silver or silver alloy containing silver as a main component, which is formed on the binder layer, and a protective layer formed on the reflective layer.01-21-2010
20100188604ILLUMINATION DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - A backlight includes a spot-shaped light source and a light guide unit including a light guide arranged to diffuse and surface emit light from the light source. The light guide unit includes a substrate to dispose and fixate the light source and the light guide. Protruding sections are provided on an incident surface of the light guide upon which light from the light source is incident, so as to protrude in a direction opposite to an incident direction of the light from the light source. Further, the light guide is fixedly disposed on the substrate by connecting the protruding sections to the substrate. As a result, with the illumination device including the light source and the light guide, it is possible to achieve an illumination device with a higher light use efficiency and higher luminance homogeneity.07-29-2010
20100020264LIGHT EMITTING DEVICE ASSEMBLY, SURFACE LIGHT SOURCE DEVICE, LIQUID CRYSTAL DISPLAY DEVICE ASSEMBLY, AND LIGHT OUTPUT MEMBER - A light emitting device assembly includes: a light emitting device; and a light output member provided on the light emitting element and having an upper surface on which a curved part that outputs light from the light emitting device is provided, wherein a value of a x coordinate of a curved part center axis is a positive value, a locus of an edge of a curved part forms a circle or oval around the curved part center axis, light on a Z-axis output from an origin is output from the curved part at an angle θ01-28-2010
20100182535LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device including a thin light guide plate and capable of preventing light leakage from light sources is provided. The light guide plate is formed of a sheet. On a back face of the light guide plate, a first projection and a second projection that protrude outwardly and a reflection face provided between the first projection and the second projection are provided. The light sources are disposed on a side face of the light guide plate. A light entering portion is disposed on the side face where the light source is provided. A thin film portion is included between the light sources adjacent to each other in the light entering portion.07-22-2010
20100259706LIGHT-EMITTING DEVICE, SURFACE LIGHT-EMITTING APPARATUS, DISPLAY SYSTEM - A light-emitting device includes a light-emitting element 10-14-2010
20100188607BACKLIGHT ASSEMBLY AND DISPLAY DEVICE INCLUDING THE SAME - A backlight assembly and a display device including the backlight assembly include a light source which emits light, a light guide plate disposed adjacent to the light source and which receives the light emitted from the light source, a light source supporter including a bottom plane including a first region and a second region, and a first receiving unit including a bottom surface and a side wall. The light source and the light guide plate are disposed on the first region of the bottom plane, the second region extends from a portion of the first region on which the light source is disposed, the bottom surface is disposed opposite the light guide plate, and the side wall is disposed at an end portion of the bottom surface along a direction perpendicular to a plane defined by the bottom surface.07-29-2010
20100188603LIQUID CRYSTAL DISPLAY APPARATUS AND MANUFACTURING METHOD THEREOF - A liquid crystal display device 07-29-2010
20100188606HIGH COLOR SATURATION DISPLAY AND COLOR ADJUSTING METHOD THEREOF - A display device and a color adjusting method are provided. The display device includes a backlight source and color resists disposed above the backlight source for filtering the light from the backlight source. An intensity spectrum of the backlight source has several segments which includes a first segment having a peak value existing at a wavelength between 515 nm and 535 nm. The color resists have a peak transmittance, which is smaller than 75%, existing at a wavelength between 520 nm and 540 nm. In addition, the transmittance of the color resists is smaller than 0.05% at the wavelength of 730 nm. Since the wavelength ranges in the range mentioned above are correlated, the color resists are capable of adjusting the light from the backlight source to enhance the color saturation.07-29-2010
20100188602AREA ACTIVE BACKLIGHT WITH STEERABLE LIGHT SOURCE - A liquid crystal display includes a backlight. The backlight includes a plurality of waveguides to selectively direct light. A set of selection elements in combination with the backlight selectively direct light to the front of the display.07-29-2010
20130215362Method For Evaluating Birefringence Of Adhesive, Method For Designing Adhesive, Method For Producing Adhesive, Adhesive, Polarizing Plate, Liquid Crystal Display Device, Method For Producing Polarizing Plate And Method For Producing Liquid Crystal Display Device - Methods of evaluating birefringence of an adhesive agent, and of designing and producing an adhesive agent using the evaluation method, as well as adhesive agents produced using these methods. A polarizing plate and a liquid crystal display device using the obtained adhesive agent are proposed, as well as methods for producing the same.08-22-2013
20100225849LIGHT EMITTING MODULE, BACKLIGHT USING THE SAME, AND LIQUID CRYSTAL DISPLAY DEVICE - A light emitting module 09-09-2010
20110109840LIGHT GUIDE UNIT, SURFACE LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - The present invention achieves a light guide unit capable of, with use of minimum-sized reflection means, (i) preventing light from directly leaking out from a light guide through a surface of the light guide and thus preventing luminance unevenness, and also (ii) suppressing an increase in production costs. Specifically, reflection means (05-12-2011
20100220259ILLUMINATION DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - A backlight device 09-02-2010
20100238375LIGHT GUIDE UNIT, ILLUMINATING DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - In a light guide unit (09-23-2010
20100238376DISPLAY AND VIEWING ANGLE CONTROL ELEMENT USED FOR SAME - It is an object to provide a display that can reliably shield visible light in the entire wavelength regions when viewed from an oblique direction and a viewing angle control element used for the display. A viewing angle control liquid crystal panel (09-23-2010
20100253879OPTICAL SHEET, OPTICAL SHEET PRODUCTION METHOD, SURFACE-EMITTING APPARATUS, AND LIQUID CRYSTAL DISPLAY APPARATUS - An optical sheet includes a sheet body including a single translucent resin material layer having a first surface that light enters and a second surface that the light exits. The sheet body is orientationally crystallized in a first in-plane axis direction and a second in-plane axis direction orthogonal to each other and having a linear expansion coefficient of 1.0*10E−5/° C. or less in all in-plane directions. A structure surface portion that has a geometric configuration and is formed on at least one of the first surface and the second surface.10-07-2010
20110058123LIGHT SOURCE DEVICE, DISPLAY DEVICE, CHASSIS AND SIDE HOLDER - A light source device and a display device capable of preventing or minimizing occurrence of warpage, bend or distortion in a thin-plate-shaped optical member. A light source device (03-10-2011
20110058122SURFACE ILLUMINATION APPARATUS AND LIQUID CRYSTAL DISPLAY USING SAME - A surface illumination apparatus has: a plurality of light sources (03-10-2011
20110058121SURFACE LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - A surface light source device has a reflector plate, a light guide plate placed on an upper surface of the reflector plate, the light guide plate including a light guide plate main body having a light outgoing area, and a light introducing portion provided continuously from an end of the light guide plate main body, the light introducing portion having an upper surface side projected from an upper surface of the light guide plate main body in such a manner as to have a maximum thickness greater than a thickness of the light guide plate main body, a light source disposed such that light emitted therefrom is introduced into the light guide plate from a light incidence surface of the light introducing portion, a frame-like member having a uniform thickness, the frame-like member being adhesively applied to the upper surface of the reflector plate in such a manner as to enclose the light guide plate and the light source, a wiring substrate mounted at a lower surface thereof with the light source, the wiring substrate being adhesively applied to an upper surface of the frame-like member and to the upper surface of the maximum thickness area of the light introducing portion, and at least one optical sheet disposed on the upper surface of the light guide plate main body, the light introducing portion being sandwiched between the wiring substrate adhesively applied to the upper surface of the frame-like member and the reflector plate adhesively applied to the lower surface of the frame-like member.03-10-2011
20100253877Flat display panels, methods and apparatuses to repair the same - When a defective pixel causing light leakage is detected in a flat display panel, an optical modulation region is formed in a substrate by emitting a laser beam such that a virtual image is displayed at a position corresponding to the defective pixel. Accordingly, quality of the flat display panel may be improved thereby increasing manufacturing process yield.10-07-2010
20100253878Display Device - Provided is a display device. The display device comprises: a liquid crystal panel; a first light guide plate disposed above the liquid crystal panel; a second light guide plate disposed below the liquid crystal panel; a light guide member emitting light incident toward the first light guide plate and the second light guide plate; and a light source disposed on a side of the light guide member. Because of the light guide member, the sizes of the light guide plates and the light source are not limited to each other and then disposed. Additionally, the display device uses one light source to realize two screens.10-07-2010
20090040422LIQUID CRYSTAL DISPLAY UNIT AND PORTABLE ELECTRONIC APPARATUS PROVIDED WITH IT - A liquid crystal display device including two liquid crystal display panels located back to back is made thinner. A liquid crystal display device includes first and second liquid crystal display panels located back to back. The liquid crystal display device further includes a light source provided to a side of a rear substrate of the first liquid crystal display panel, a light source provided to a side of a rear substrate of the second liquid crystal display panel, and a polarizing element provided between the first and second liquid crystal display panels. The rear substrate of the first liquid crystal display panel includes a light guide layer for directing light, incident on the rear substrate from the light source and propagating inside the rear substrate, toward the second liquid crystal display panel. The rear substrate of the second liquid crystal display panel includes a light guide layer for directing light, incident on the rear substrate from the light source and propagating inside the rear substrate, toward the first liquid crystal display panel.02-12-2009
20120242930BACKLIGHT UNIT AND DISPLAY DEVICE HAVING THE SAME - Provided are a backlight unit and a display device having the same. The backlight unit includes a light source configured to generate light and a plurality of light guide members stacked so that individual surfaces of each light guide member contact a surface of another one of the light guide members, the plurality of light guide members configured to guide the light. Each of the light guide members includes a light incident for receiving incident light from the light source, an opposite surface facing an adjacent one of the light guide members, and a plurality of light path change patterns disposed on the opposite surface. Thus, brightness of the display device may be improved.09-27-2012
20110032452LIGHTING DEVICE, DISPLAY DEVICE AND TELEVISION RECEIVER - A lighting device 02-10-2011
20110234940LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes: a resin frame including a storing space formed of a hole which passes through a first surface and a second surface; a light guide plate disposed in the storing space; and a liquid crystal display panel which is fixed on the first surface of the resin frame so as to overlap the light guide plate. The hole of the resin frame is formed of an inner peripheral surface, which is inclined, so that an opening of the second surface is smaller than an opening of the first surface. The light guide plate includes an outer peripheral surface, which is inclined, and is disposed in the storing space in a manner that the inner peripheral surface and the outer peripheral surface are opposed to each other.09-29-2011
20090109371Liquid crystal display apparatus and portable phone incorporating the same - A liquid crystal display apparatus comprises: a single transmissive-type liquid crystal panel having a display area partitioned between a first display area for producing an image on a front side and a second display area for producing an image on a rear side; a first illuminating unit for illuminating the first display area from the rear side; and a second illuminating unit for illuminating the second display area from the front side. With this configuration, the liquid crystal display apparatus is viewable from both the front and rear sides of the liquid crystal panel, and the thickness of the entire construction can be reduced.04-30-2009
20090109372Backlight assembly and display device having the same - A backlight assembly includes: a light source forming light; and a multi-focusing sheet focusing the light provided by the light source in at least two regions.04-30-2009
20110109841LIQUID CRYSTAL DISPLAY DEVICE05-12-2011
20110128472Display Apparatus And Projection Type Lighting Apparatus Therefor - A display apparatus includes a light source which is configured to emit a light, a first light modulation unit which is configured modulate the light emitted from said light source, a first drive unit which is configured to drive said first light modulation unit, a projection unit, which is configured to project the light from said first light modulation unit enlargedly, a second light modulation unit, which is configured to modulate the light emitted from said projection unit so as to be emitted to an observer side, a second drive unit which is configured to drive said second light modulation unit, and an optical direction conversion unit, which is configured to convert the light from said projection unit so that the light is incident upon an incident surface of said second light modulation unit in a direction approximately perpendicular thereto.06-02-2011
20100302478LIQUID CRYSTAL DISPLAY DEVICE - Light emitting diodes mounted on a LED board are housed in the inside of a mold from a side of the mold opposite to a liquid crystal panel. The LED board and a reflection sheet are arranged such that a distal end portion of the LED board and the reflection sheet face each other while preventing the distal end portion of the LED board and a portion of the reflection sheet from overlapping with each other. A thickness of the light emitting diodes in the first direction orthogonal to the liquid crystal panel is larger than a thickness of a light incident surface of a light guide plate in the first direction. A region where the light emitting diodes are arranged protrudes more than a region where the light guide plate is arranged in a direction away from the liquid crystal panel.12-02-2010
20100302477OPTICAL ELEMENT, ILLUMINATION DEVICE AND DISPLAY DEVICE - An optical element for an illumination device, an illumination device, and a display device using the illumination device is capable of performing surface light emission by utilizing a plurality of light guide members, and suppressing generation of color unevenness.12-02-2010
20100315574LIQUID CRYSTAL DISPLAY DEVICE - A compact liquid crystal display device is provided by connecting a plurality of liquid crystal display panel units each provided with a light guiding plate unit on a back side with a connection portion and supplying a laser light source via the connection portion. It includes a plurality of display portions formed of liquid crystal display panel units and light guiding plate units disposed in intimate contact with the back sides of the liquid crystal display panel units, a connection portion connecting a plurality of the display portions, and a laser light source. By supplying a laser beam emitted from the laser light source to the light guiding plate units via the connection portion, the display surfaces of the liquid crystal display panel units are illuminated by the laser beam.12-16-2010
20100315575Liquid Crystal Display and Method for Assembling the Same - An LCD and a method for assembling the LCD are provided. The LCD includes a display assembly and a tape. The display assembly has a top surface, a bottom surface which is opposite the top surface, and a lateral edge connected the edge of the top surface with the edge of the bottom surface. The tape comprises a peripheral portion and a bending portion extending from the peripheral portion. The peripheral portion is utilized to attach to the peripheral area of the top surface, and the bending portion is bended to attach to the lateral edge and the peripheral area of the bottom surface.12-16-2010
20110242455REFLECTIVE LIQUID CRYSTAL DISPLAY APPARATUS - At least one exemplary embodiment is directed to a reflective liquid crystal display apparatus which includes a polarization beam splitter having a polarization split film used as both a polarizer and an analyzer; a reflective liquid crystal display device; a quarter wave plate; and a projection optical system; where the absolute value of phase difference of diffracted light generated by the reflective liquid crystal display device in a black display state is reduced by the phase difference of the quarter wave plate, and thus the amount of stray light of the diffracted light guided from the polarizing beam splitter to the projection optical system decreases.10-06-2011
20100328575BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE - A diffusion plate includes a base body including a plurality of convex portions formed on a principal surface of the base body. An angle of inclination of the convex portions at a base of the convex portions ranges from 38° to 42°. Also, a ratio R/Cp between a curvature R of a summit of the convex portions and a pitch Cp between adjacent convex portions is 0.001412-30-2010
20090066877Liquid Crystal Display Device - The present invention relate to a liquid crystal display device using a light emitting diode (LED) module as a light source for backlight. Storing portions (03-12-2009
20110001899ILLUMINATION DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - A backlight (illumination device) of this invention includes a plurality of light source units (01-06-2011
20110019128OPTICAL MEMBER, LIGHTING DEVICE, DISPLAY DEVICE, TELEVISION RECEIVER AND MANUFACTURING METHOD OF OPTICAL MEMBER - An optical member 01-27-2011
20110109839BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY - A backlight module includes a light guide plate and at least two groups of light sources. The light guide plate includes at least two independent light guide modules optically isolated from each other. Each group of light sources is located corresponding to an independent light guide module and controlled independently. A liquid crystal display using the backlight module is also related.05-12-2011
20110025947DIRECT-LIT BACKLIGHT HAVING LIGHT RECYCLING CAVITY WITH CONCAVE TRANSFLECTOR - Direct-lit backlights and associated methods and components are disclosed in which a transflector that partially transmits and partially reflects incident light is shaped to form at least one concave structure facing a back reflector of the backlight. This provides at least one recycling cavity therebetween, the at least one recycling cavity substantially filling the output area of the backlight. At least one light source is disposed behind the output area to inject light into each cavity, and can be positioned in the recycling cavity or behind an aperture in the back reflector. The cavities are preferably shallow and wide, having a width-to-depth ratio of at least 5 or 10, and can provide uniform brightness and color at the output area with sparsely distributed light sources and in a thin profile backlight.02-03-2011
20110025946LUMINANCE ENHANCEMENT OPTICAL SUBSTRATES WITH ANTI-INTERFERENCE-FRINGE STRUCTURES - An optical substrate having a structured light output surface that comprises rows of laterally arranged snaking, wavy or meandering longitudinal prism structures. The prism structures at the light output surface may be viewed as comprising rows of laterally meandering longitudinal prisms and/or sections of curved segments coupled end-to-end to form the overall meandering longitudinal prism structures. The laterally meandering rows of longitudinal prism structures are arranged in parallel laterally (side-by-side), defining parallel peaks and valleys (a facet is defined between each adjacent peak and valley). In one embodiment, the lateral waviness is regular with a constant or variable wavelength and/or wave amplitude (or extent of lateral deformation). The lateral waviness may generally follow a sinusoidal profile, or other curved profile. The structured light output surface may further include varying peak heights along each wavy prism structure and/or pre-defined structural irregularities such as non-facet flat section distributed in the structure surface.02-03-2011
20100177263LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY APPARATUS INCLUDING THE SAME - A light source device according to one of the invention comprises a light emitting element; a light guide substrate into which light emitted from the light emitting element enters; a mounting substrate on which the light emitting element is mounted; and a conductive pattern for removing a static electricity in or on the light guide substrate, formed on the mounting substrate.07-15-2010
20110116011ILLUMINATING DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE PROVIDED WITH THE SAME - Provided is an illuminating device wherein replacement of a light source is facilitated and generation of luminance nonuniformity is suppressed. An illuminating device (05-19-2011
20110116010LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device has: a light source, a light guide plate for causing light from the light source to enter from a side surface of the light guide plate and exit as illuminating light from one principal surface thereof; a liquid crystal panel which includes a reflective color filter having wavelength selectivity in transmittance and reflectance and a polarizing plate disposed on a side that is closer to the light guide plate than the reflective color filter, and which is disposed on a light path of the illuminating light; and a recycle part for reflecting the illuminating light that has been reflected by the reflective color filter toward the reflective color filter once again, wherein the light from the light source is configured to enter the light guide plate as approximately linear polarization, and the polarizing plate of the liquid crystal panel is configured so exhibit transmittance of 90% or higher.05-19-2011
20110085109BACK LIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE AND GAME MACHINE INCLUDING THE SAME - A game machine including: a liquid crystal display including a liquid crystal panel and a back light unit; and at least one reel which is disposed behind the back light unit. The back light unit for a liquid crystal display includes: a pair of light guide plates which are disposed to face each other, transparent electrodes being formed on corresponding predetermined areas of surfaces facing each other of the light guide plates; a polymer dispersed liquid crystal layer which is formed in a space between the light guide plates and is formed by polymer dispersed liquid crystal; and a plurality of light sources respectively disposed at edges of the light guide plates.04-14-2011
20110080540LIGHTING DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - A lighting device which is thin and has improved heat dissipation properties. The device (04-07-2011
20110242454REFLECTIVE LIQUID CRYSTAL DISPLAY APPARATUS - At least one exemplary embodiment is directed to a reflective liquid crystal display apparatus which includes a polarization beam splitter having a polarization split film used as both a polarizer and an analyzer; a reflective liquid crystal display device; a quarter wave plate; and a projection optical system; where the absolute value of phase difference of diffracted light generated by the reflective liquid crystal display device in a black display state is reduced by the phase difference of the quarter wave plate, and thus the amount of stray light of the diffracted light guided from the polarizing beam splitter to the projection optical system decreases.10-06-2011
20110242453LIGHT DEVICES, DISPLAY DEVICES, BACKLIGHTING DEVICES, EDGE-LIGHTING DEVICES, COMBINATION BACKLIGHTING AND EDGE-LIGHTING DEVICES - In some embodiments, an LCD device comprising (1) liquid crystals, (2) at least one lighting device that emits BSY-1, BSY-2, BSR, BSG-1, BSG-2 and/or BSG-3 light, (3) solid state light emitters (430-480 nm) and luminescent material (555-585 nm, 595-625 nm, or 510-560 nm), and/or (4) a light guide, a reflector and/or a light polarizer. In some embodiments, a light device comprising (1) at least one lighting device that emits BSY-1, BSY-2, BSR, BSG-1, BSG-2 and/or BSG-3 light, (2) a light guide, a reflector and/or a light polarizer, and/or (3) solid state light emitters (430-480 nm) and luminescent material (555-585 nm, 595-625 nm, or 510-560 nm).10-06-2011
20110128471ILLUMINATION PANEL AND DISPLAY - An illumination panel is provided, for example for use as a backlight for illuminating an at least partially transmissive display (06-02-2011
20110128469STACKED-TYPE BACKLIGHT PLATE FOR USE IN DISPLAY DEVICE AND DISPLAY DEVICE INCORPORATING SAME - The invention relates to a stacked-type backlight plate for use in a display device and a display device incorporating the backlight plate. The backlight plate includes light guide devices, each including a light incident face, and a front face and a back face arranged opposite and parallel to each other and disposed adjacent to the light incident face, wherein the front face has a light exiting region remote from the light incident face. The back face of a light guide device is substantially parallel to the front face of an adjacent light guide device, so that the back face is overlapped in part with the front face to expose the light exiting region of the front face. The backlight plate also includes light sources disposed in a manner corresponding to the light incident faces.06-02-2011
20090219461DISPLAY FILM STACKS AND A METHOD OF MODELING THE FILMS - Disclosed herein is a display film stack for a backlight display system. In one embodiment, the display system comprises: a light source, a first film comprising a first surface texture layer that is formed of a first material of a first refractive index, and a second film comprising a second surface texture layer that is formed of a second material of a second refractive index. The second film is disposed between the light source and the first film. The second refractive index is greater than the first refractive index. The light source is disposed in optical communication with the first film and the second film. The first surface texture layer and the second surface texture layer comprise unit structures independently selected from the group consisting of hemispherical structures, partial hemispherical structures, ellipsoidal structures, immersed spherical beads, ellipsoidal beads, “bell-shape” bump and complex lens shape structures.09-03-2009
20100220260LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a liquid crystal display panel, a plurality of groups of light source units, a plurality of light guide plates, and a light source control circuit configured to control light amounts of the light source units. The plurality of light guide plates are configured to transmit light from the plurality of groups of the light source units. In each of the plurality of light guide plates, areas from which the transmitted light exiting toward the liquid crystal display panel differ from one another. One of the plurality of groups of the light source units paired with one of the plurality of light guide plates includes at least two light source units that are controlled in light amount independently. A number of the areas of the one of the plurality of light guide plates is at least a number of the light source units thereof.09-02-2010
20110122338BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY - Disclosed are a backlight unit capable of reducing heat and noise and a liquid crystal display using the same. The backlight unit comprises a light source unit comprising light sources for irradiating light; a cover bottom disposed under the light source unit; a vibration-absorbing member attached on the other surface of the cover bottom; and an inverter coupled to the cover bottom via the vibration absorbing member interposed therebetween.05-26-2011
20110134361ILLUMINATION UNIT, ILLUMINATION DEVICE, AND LIQUID CRYSTAL DISPLAY APPARATUS - An illumination unit (06-09-2011
20100014022PLANAR ILLUMINATION DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A planar illumination device for illuminating a liquid crystal display panel provided with a polarizing plate on a light incident side, includes: a light source unit for emitting light having a specified polarization direction; and a light irradiating member for deflecting light emitted from the light source unit and irradiating the liquid crystal display panel with the deflected light, wherein the light irradiating member deflects the light emitted from the light source unit such that the polarization direction of the light emitted from the light source unit substantially coincides with a transmission axis direction of the polarizing plate of the liquid crystal display panel.01-21-2010
20100182534LIQUID CRYSTAL DISPLAY DEVICE - There is provided a liquid crystal display device in which display defects that would be caused by asymmetry of light emitted from a backlight are reduced and which is capable of providing brightness with improved symmetry about the direction vertical to the display surface.07-22-2010
20100039583LIQUID CRYSTAL DISPLAY PANEL WITH MICRO-LENS ARRAY AND LIQUID CRYSTAL DISPLAY DEVICE - There is provided a direct-viewing type liquid crystal display panel with a microlens array having high viewing angle characteristics and high contrast, which is capable of displaying with a high luminance.02-18-2010
20110176086LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes: a light guide plate 07-21-2011
20090322985MULTI-PANEL TYPE LIQUID CRYSTAL DISPLAY DEVICE - There is provided a highly-reliable multi-panel LCD in which a plurality of liquid crystal display panel units having planar light source units disposed on their rear surfaces can be arranged in a flat plane or a curved plane, and a partial reduction in luminance or the like in a display device can be avoided. The multi-panel LCD comprises a plurality of liquid crystal display panel units (12-31-2009
20100039584OPTICAL ELEMENT LAMINATE, BACKLIGHT, AND LIQUID CRYSTAL DISPLAY APPARATUS - An optical element laminate is provided and includes a first optical element and a second optical element superimposed with the first optical element. The first optical element and the second optical element are each a rectangular film or sheet. The first optical element has at least two side walls at two opposing sides among four sides of the first optical element and the second optical element has at least two side walls at two opposing sides among four sides of the second optical element.02-18-2010
20120242933LIGHT EMITTING DIODE ELEMENT, LIGHT SOURCE DEVICE, SURFACE LIGHT SOURCE ILLUMINATION DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE - The present invention includes: a heat dissipation plate (09-27-2012
20100053500Liquid Crystal Display Element and Liquid Crystal Display Device - An object of the present invention is to provide a liquid crystal display device where there are fewer moiré effects between lenticular lenses and the backlight. The present invention provides a liquid crystal display device where the arrangement or form of lenticular lenses 03-04-2010
20100134716LIGHT EMITTING ELEMENT, LIGHT EMITTING ELEMENT ARRAY, BACKLIGHT UNIT, AND LIQUID CRYSTAL DISPLAY - An LED package housing member that includes a light emitting chip has a missing portion in its side walls.06-03-2010
20100134719NanoEmbossed shapes and fabrication methods of wire grid polarizers - A wire grid polarizer may be formed by embossing a substrate surface with a mold having a plurality of grooves to form raised ridges; and depositing a metal line profile onto the ridges through one or more baffles oriented at an oblique angle to the normal of the substrate. The metal line profile is characterized by a cross-sectional width that tapers such that the metal line profile is wider proximate a vertex of the ridges than proximate a base of the ridges. A wire grid polarizer may comprise a substrate with a plurality of raised ridges and a plurality of metal lines on the raised ridges. The metal lines are characterized by cross-sectional metal line profiles having triangular shapes with a tip down configuration. Such a wire grid polarizer may be used in a liquid crystal display.06-03-2010
20110249217BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY MODULE HAVING THE SAME - A backlight unit includes a mold frame, a metal core printed circuit board (“MCPCB”) on which at least one light emitting diode (“LED”) is mounted, a reflector, a light guide plate, and an optical sheet. The mold frame includes an MCPCB fixing portion, the MCPCB is directly and removably disposed on the MCPCB fixing portion, and a lower surface of the MCPCB is exposed to the outside of the mold frame. On the MCPCB, a reflector, a light guide plate, and an optical sheet are placed in the order named. The light guide plate has a light entering surface facing the LED.10-13-2011
20110069252LIQUID CRYSTAL PANEL ASSEMBLY AND LIQUID CRYSTAL DISPLAY APPARATUS HAVING THE SAME - A liquid crystal panel assembly includes a liquid crystal panel, a backlight module having at least one light emitting diode (LED) light source to irradiate light to the liquid crystal panel, and a housing which surrounds the liquid crystal panel and the backlight module. At least a portion of the housing adjacent to the at least one LED light source is formed of a thermal-conductive material.03-24-2011
20110069251LIQUID CRYSTAL DISPLAY DEVICE, BACKLIGHT MODULE, AND METHOD OF ASSEMBLING A BACKLIGHT MODULE - A backlight module includes a first light source, a back plate unit, a reflector unit, and a light guide plate. The back plate unit includes a first back plate and a second back plate. The first back plate has a first plate body with a first side part structure defining a first receiving space for receiving the first light source, and the second back plate has a second plate body with a second side part structure. The second back plate is connected to the first back plate in a manner that the first and second side part structures are opposite to each other. The reflector unit is disposed on the first and second plate bodies, and has a portion extending into the first receiving space. The light guide plate is disposed on the reflector unit and is disposed between the first and second side part structures.03-24-2011
20120120344OPTICAL SHEET, OPTICAL MEMBER, SURFACE LIGHT SOURCE DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE - An optical sheet including a body portion, unit optical elements arranged on one surface of the body portion, and an uneven coating having an uneven surface with micro-protrusions, provided on the other surface of the body portion. When the hardness He of the optical element surface Pe and the hardness Hm of the uneven coating surface Pm are evaluated in terms of the pencil hardness measured in accordance with JIS K5600-5-4 (1999) (load: 1000 g; speed: 1 mm/s), the hardness Hm is not less than the hardness He (hardness Hm≧hardness He) and the hardness Hm is preferably not less than F. Further, the hardness He and the hardness Hm preferably satisfy the following relation:05-17-2012
20110075066LIQUID CRYSTAL DISPLAY DEVICE - Provided is a liquid crystal display device including: a liquid crystal display panel; a fluorescent tube disposed on a side opposite to a display surface of the liquid crystal display panel; an electrode holder for retaining the fluorescent tube; a frame to which the electrode holder is attached; a light reflection cover including one of a hole and a notch for allowing the fluorescent tube to pass therethrough, the light reflection cover covering a part of the fluorescent tube and an area of the frame on an outer side of the fluorescent tube; and an elastic body provided on the light reflection cover so as to face the fluorescent tube in a non-contact manner.03-31-2011
20110075068Liquid Crystal Display Module - A liquid crystal display module includes a liquid crystal display panel, a backlight device arranged on a back surface of the liquid crystal display panel, the backlight device being constituted of a light guide plate and a reflection sheet arranged on a back surface of the light guide plate, an insulation sheet arranged on a back surface of the light guide plate, a flexible printed circuit board having one end thereof mounted on the liquid crystal display panel and another end thereof formed on a back surface of the insulating sheet, and at least one LED formed on the flexible print board and faced to the light guide plate. The reflection sheet, the insulation sheet, and the flexible print board extend over different distances from the at least one LED in this order.03-31-2011
20110075067LASER ILLUMINATED BACKLIGHT FOR FLAT PANEL DISPLAYS - Laser lit flat panel displays are disclosed including edge-lit and direct lit backlights. In certain embodiments, laser assemblies are selected to obtain bandwidth distributions to reduce speckle.03-31-2011
20110069249BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY APPARATUS - A backlight module includes a lighting unit and a brightness enhancement sheet. The brightness enhancement sheet is disposed beside the lighting unit. The brightness enhancement sheet includes a light-transmissive substrate, a plurality of lenses, a reflective layer, and a diffusion layer. The light-transmissive substrate has a first surface and a second surface opposite to the first surface. The first surface is located between the second surface and the lighting unit. The lenses are disposed on the first surface. The reflective layer is disposed on the second surface. The reflective layer has a plurality of light-transmissive openings respectively located on the optical axes of the lenses. The diffusion layer is disposed on the reflective layer and covers the light-transmissive openings. The reflective layer is disposed between the diffusion layer and the second surface. A liquid crystal display apparatus is also provided.03-24-2011
20110069253LIQUID CRYSTAL DISPLAY DEVICE - One of the objects is to improve the light utilization efficiency of a liquid crystal display panel with microlenses.03-24-2011
20110069250LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes: a liquid crystal display panel; and a backlight disposed to face the liquid crystal display panel, the backlight including at least a frame having a bottom surface facing the liquid crystal display panel, a reflector placed on the bottom surface of the frame, and a plurality of light sources disposed on the liquid crystal display panel side of the reflector and supported by the frame, wherein a recess protruding in the opposite direction to the liquid crystal display panel is formed in the bottom surface of the frame, the recess and the reflector constituting an air duct.03-24-2011
20110069254DISPLAY APPARATUS - A display apparatus that includes a light amount adjustment section includes a lens provided corresponding to a light receiving region of a photo-sensor element. The light amount adjustment section varies the focus position of the lens with respect to the light receiving region of the photo-sensor element to adjust the amount of light to be introduced to the light receiving region.03-24-2011
20120200802DIRECTIONAL BACKLIGHTING FOR DISPLAY PANELS - Various embodiments are disclosed that relate to display panel backlight systems that output light with a narrower angular intensity distribution than a diffuse backlight. For example, one disclosed embodiment provides a backlight system comprising a wedge-shaped light guide comprising a thin end and a thick end, the thick end of the wedge-shaped light guide comprising a linear reflector with plurality of facets, and wherein the backlight system also comprises a plurality of light sources arranged along the thin end of the wedge-shaped light guide.08-09-2012
20110249218LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR FABRICATING THE SAME - A liquid crystal display (LCD) device partially or substantially blocks light from a light source from exciting a semiconductor layer. The LCD device includes a substrate, a semiconductor layer, a light-shielding layer, and a light source. The light source directs light toward a lower surface of the substrate. The light-shielding layer is formed between the substrate and the semiconductor layer. Some or all of the light directed towards the semiconductor layer by the light source is blocked by the light-shielding layer.10-13-2011
20110001900LIGHT EMITTING MODULE, BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE - A plurality of LEDs (01-06-2011
20100271566LIGHT EMITTING DIODE, BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY APPARATUS - A light emitting diode for a backlight module and/or a liquid crystal display apparatus includes a semiconductor structure, a first electrode and a second electrode. The semiconductor structure includes a first type doped semiconductor layer, a light emitting layer, and a second type doped semiconductor layer. The light emitting layer is disposed between the first type doped semiconductor layer and the second type doped semiconductor layer. The first electrode is electrically connected to the first type doped semiconductor layer. The second electrode is electrically connected to the second type doped semiconductor layer. The second electrode is an optical grating which allows light with a first polarization direction to pass through and is capable of reflecting light with a second polarization direction perpendicular to the first polarization direction.10-28-2010
20100296026LIQUID CRYSTAL DISPLAY DEVICE - An LCD device using LEDs as light sources provided herein is capable of reducing the manufacturing cost and the power consumption by a reduction in the number of LEDs used. A backlight according to the present invention includes LEDs mounted on a wiring board and a light guide plate having a matrix array of light guide plate blocks assigned the LEDs. The number of LEDs assigned to the block located in a peripheral area is smaller than the number assigned to the block located around the center to reduce the number of LEDs used in the backlight. If a ratio of the brightness in a peripheral area of the screen to the brightness in a central area is 60% or higher, the human eye does not perceive non-uniform luminance. Thus, the manufacturing cost and the power consumption of the LCD device can be reduced.11-25-2010
20110211142Directional backlight, display apparatus, and stereoscopic display apparatus - A stereoscopic display apparatus includes a liquid-crystal display device that has display pixels arranged in a matrix and displays an elemental image array formed from a plurality of field images on the display pixels to render stereoscopic display, a parallax creating unit provided on the front surface or the rear surface of the liquid-crystal display device, and a directional backlight that emits light through the liquid-crystal display device then through the parallax creating unit and switches directions of the thus-emitted light among a plurality of directions according to a display of the field image is disclosed.09-01-2011
20100097542LIQUID CRYSTAL DISPLAY AND ASSEMBLY THEREOF - The present invention is broadly directed towards a receiving container for an LCD apparatus for securing a lamp and lamp wiring connected to a lamp. The receiving container has features for substantially preventing the lamp wiring from being disconnected from the lamp. For example, a first through-hole for receiving the lamp wiring, a first trench, securing members, and securing projections are utilized to substantially prevent lamp wiring from being disconnected from a lamp. Additionally, the LCD apparatus is easily handled, dissipates heat effectively, and has a light weight.04-22-2010
20100091216PHASE DELAY ELEMENT FOR TRANSMISSIVE AND REFLECTIVE TYPE LIQUID CRYSTAL DISPLAY - A phase delay element includes a brightness enhancement layer intermediate a reflection layer and an artificial light. The brightness enhancement layer is defined by a first surface and an opposite second surface. The first surface faces the reflection layer. A first light from the artificial light is incident on the second surface. A phase of the first light is delayed by about 1/4 phase (λ/4) so that a second light is emitted from the first surface toward the reflection layer. The second light is reflected from the reflection layer so that a third light is emitted from the reflection layer toward the first surface. A phase of the third light is delayed by about 1/4 phase (λ/4) so that a fourth light is emitted from the second surface. Therefore, a portion of the artificial light, which is reflected from the reflection layer, is recycled to improve a luminance of an LCD apparatus.04-15-2010
20100033650WHITE REFLECTIVE FILM - To improve luminance of a backlight, a white reflective film having a coating layer containing spherical particles on at least one side of a white film, in which an absolute value of refractive index difference between the spherical particles and a binder resin forming the coating layer is 0.10 or less, and the spherical particles are nonporous is provided.02-11-2010
20120200806DISPLAY DEVICE AND LIQUID CRYSTAL ELEMENT - A display device includes a display section displaying images, and a liquid crystal barrier section having liquid crystal barriers formed to extend in a first direction tilted from a vertical direction in a display plane, the liquid crystal barriers allowing light to pass therethrough or to be blocked. The liquid crystal barrier section includes a liquid crystal layer, and a first electrode and a second electrode which are disposed at positions corresponding to each of the liquid crystal barriers to sandwich the liquid crystal layer. The first electrode includes a first stem extending in the first direction, and branches extending on both sides of the first stem, branches on one side of the first stem extending in a first extending direction, whereas branches on the other side of the first stem extending in a second extending direction, the first and second extending directions being line-asymmetrical about the first stem.08-09-2012
20120200805Liquid Crystal Display Device - Light emitted by a backlight can be prevented from leaking through a chamfered portion of a front window of a liquid crystal display device.08-09-2012
20090180052LIQUID CRYSTAL DISPLAY DEVICE AND BACK LIGHT UNIT THEREOF - A back light unit adapted to provide light to a liquid crystal display panel includes a housing, at least a light generator, and an optical filter. The light generator is disposed inside the housing for generating white light beams. The optical filter is disposed in an optical path of the white light beams between the light generator and the liquid crystal display panel for filtering the white light beams within a particular wavelength range of visible light. The hue of the white light beams before and after passing through the optical filter are the same.07-16-2009
20100296025LIGHT GUIDES - This invention relates to film layer which is suitable for use in a light guide plate and methods of forming said film layer and light guide plate. The invention also relates to the light guide plate and light guide devices made therefrom. The film and light guide plate are suitable for use in a range of applications, particularly in connection with the backlighting of displays, for example, liquid crystal displays.11-25-2010
20100309409LIGHT EMITTING ASSEMBLIES HAVING DEFINED REGIONS OF DIFFERENT BRIGHTNESS - A light emitting assembly has a LED light source illuminated optical conductor having a pattern of well defined light extracting optical elements configured to redirect light from an LED light source out from the optical conductor. The optical elements are additionally configured to define elongate higher brightness regions on the major surface of the optical conductor, and a lower brightness region outside of the higher brightness regions.12-09-2010
20100315576LIQUID CRYSTAL DISPLAY AND METHOD OF MANUFACTURING THE SAME - A liquid crystal display includes a light source, a liquid crystal display panel including a pixel having a plurality of a color sub-pixel, and a reflective polarizer disposed between the light source and the liquid crystal display panel to transmit or reflect a light according to a direction in which the light vibrates. The reflective polarizer includes a reflective polarizing layer including a plurality of microfibers which each extend in a same direction with respect to each other, and a protective layer overlapping the reflective polarizing layer. A thickness of the reflective polarizing layer is a function of a pixel size.12-16-2010
20110255031REFLECTIVE LIQUID CRYSTAL DISPLAY APPARATUS - At least one exemplary embodiment is directed to a reflective liquid crystal display apparatus which includes a polarization beam splitter having a polarization split film used as both a polarizer and an analyzer; a reflective liquid crystal display device; a quarter wave plate; and a projection optical system; where the absolute value of phase difference of diffracted light generated by the reflective liquid crystal display device in a black display state is reduced by the phase difference of the quarter wave plate, and thus the amount of stray light of the diffracted light guided from the polarizing beam splitter to the projection optical system decreases.10-20-2011
20100321611ILLUMINATION DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - An illuminator according to the present invention includes a backlight (12-23-2010
20100321609EDGE-LIT BACKLIGHT UNIT WITH THIN PROFILE - An edge-lit backlight unit for a display is provided. In one embodiment, the backlight unit may include a light guide configured to receive light from a source and emit such light in a broad distribution to a turning film disposed over the light guide. The turning film may be configured to redirect light received from the light guide toward a normal of the turning film. In one embodiment, the light guide may be configured such that peak light distribution therefrom occurs at an incident angle of approximately sixty degrees, with broad light distribution substantially occurring over an angular range between incident angles of thirty-five and eighty-five degrees. Additionally, in one embodiment, the turning film may include multiple prisms that receive and redirect the light emitted from the light guide, and that include apex angles of less than or about sixty degrees. Additional edge-lit backlight units and methods are also disclosed.12-23-2010
20120200804PROJECTION-TYPE DISPLAY APPARATUS - A projection-type display apparatus includes: a light source that emits light; a plurality of vertical-alignment-mode reflective liquid crystal light valves that respectively modulate the light; phase difference compensating plates which are provided for the respective liquid crystal light valves and in which columnar structures made of an inorganic material are inclined toward substantially one direction of in-plane azimuthal directions of each liquid crystal light valve; a color synthesis optical system that synthesizes the light which are modulated by the plurality of liquid crystal light valves; and a projection optical system that projects the light which are synthesized by the color synthesis optical system. A size of the phase difference compensating plate in the substantially one direction of in-plane azimuthal directions of the columnar structures is larger than a size of a display region of each liquid crystal light valve in a direction corresponding to the substantially one direction.08-09-2012
20080252814OPTICAL ELEMENTS COVERING MEMBER, BACKLIGHT AND LIQUID CRYSTAL DISPLAY DEVICE - A optical element covering member includes one or more optical elements, a support medium for supporting the one or more optical elements, and a cover material for covering the one or more optical elements and the support medium. The cover material includes a layer of block copolymer of vinyl aromatic hydrocarbon and conjugate diene, and a mass ratio of the vinyl aromatic hydrocarbon to the conjugate diene stands at 95:5 to 5:95.10-16-2008
20110164202LIQUID CRYSTAL DISPLAY DEVICE - This invention provides a liquid crystal display device where the brightness of the backlight can be prevented from lowering when the liquid crystal display device and its frame are thin. The liquid crystal display device has a liquid crystal display panel and a backlight for radiating light on the rear of the liquid crystal display panel, and is characterized in that the backlight has light emitting diodes LED that are secured on one surface of a flexible printed circuit FPC and a light guide plate for guiding light emitted from the light emitting diodes, the flexible printed circuit has openings in a portion between the light emitting diodes and the light guide plate, which extends partly over the light emitting areas (EA) of the light emitting diodes, and a reflective member is provided on the other surface of the flexible printed circuit so as to cover the openings.07-07-2011
20100277667DIGITAL PHOTO FRAME WITH NATURAL LIGHT - A digital photo frame includes a frame, a light gathering lens, a reflector, and a transmissive LCD module. The frame includes a front side, a rear side, and a receiving hole through the front side and rear side. The light gathering lens array is pivotedly mounted on the rear side of the frame, the light gathering lens array being rotatable about two upper pivot pins. The reflector is pivotedly mounted on the rear side of the frame corresponding to the light gathering lens array, the reflector being rotatable about two lower pivot pins parallel to the upper pivot pins. The transmissive LCD module is received in the receiving hole adjacent to the front side.11-04-2010
20080204630Backlight module having elastic structures at frame and liquid crystal display using same - An exemplary backlight module (08-28-2008
20110164203SURFACE LIGHT SOURCE AND LIQUID CRYSTAL DISPLAY APPARATUS - A surface light source (07-07-2011
20100283940LIQUID CRYSTAL DISPLAY - An object of the invention is to provide a liquid crystal display having good contrast not only in oblique directions but also in the normal direction. The liquid crystal display of the invention includes at least a first polarizer 11-11-2010
20110187965DISPLAY DEVICE AND FPC BOARD FIXING METHOD THEREOF - Provided is a display device capable of preventing, in a case where a flexible printed circuit board is bent to be fixed to a support portion of the display device, a troublesome phenomenon due to a force generated in the flexible printed circuit board by recovery from deformation, that is, spring-back. The display device includes the flexible printed circuit board, and the flexible printed circuit board is disposed in a bent state, and has at least a hole formed therein. The flexible printed circuit board is fixed to a support member (for example, backlight back surface plate, frame, etc.) included in the display device by a first fixation member (for example, double-sided pressure sensitive adhesive tape) and further is fixed to the support member by a second fixation member (for example, pin) through the hole.08-04-2011
20110187964LIQUID CRYSTAL PANEL MODULE, BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY - A liquid crystal panel module, a backlight module and a liquid crystal display (LCD) are provided. The liquid crystal panel module includes a liquid crystal panel and a diffraction grating layer. The liquid crystal panel has a plurality of pixels. The diffraction grating layer is disposed on the liquid crystal panel, and a maximum period of a grating of the diffraction grating layer is smaller than 1/10 of a size of the pixels. The backlight module includes a light guide plate, a light emitting element and a diffraction grating film. A light provided by the light emitting element emits from a light emitting surface of the light guide plate and is bended towards the light emitting element after passing through the diffraction grating film. The liquid crystal panel module and the backlight module can be applied to the LCD together or individually.08-04-2011
20110134362LIGHT REDIRECTING FILMS AND FILM SYSTEMS - An optical assembly comprises a light emitting panel having a light output surface and a light redirecting film located to receive light emitted from the light output surface. The light output surface has a non-uniform directional light output distribution. The light redirecting film has a pattern of individual optical elements of well defined shape that vary at different locations on the light redirecting film to redistribute the light received from the light output surface within a desired light ray angle distribution.06-09-2011
20110134360ILLUMINATION UNIT, ILLUMINATION DEVICE, AND LIQUID CRYSTAL DISPLAY APPARATUS - Light-emitting unit (06-09-2011
20120147291LIQUID CRYSTAL DISPLAY AND SCANNING BACKLIGHT DRIVING METHOD THEREOF - A liquid crystal display includes a liquid crystal display panel displaying modulated data based on a frame frequency, light sources generating light to be irradiated into the liquid crystal display panel, a scanning backlight controller calculating a turn-on duty ratio of a pulse width modulation (PWM) signal for controlling turn-on and turn-off operations of the light sources, and a light source driver. The light source driver synchronizes a frequency of the PWM signal with the frame frequency or with a frequency, that is faster than two times the frame frequency, based on the result of a comparison between the turn-on duty ratio of the PWM signal and a previously determined critical value, and then sequentially drives the light sources along a data scanning direction of the liquid crystal display panel.06-14-2012
20110255028LIQUID CRYSTAL DISPLAY DEVICE - Provided is a liquid crystal display device which includes: a pair of transparent substrates which are arranged to face each other in an opposed manner with a liquid crystal layer sandwiched therebetween; a non-self-luminous display part having at least a light transmitting region which allows light to pass therethrough and a light shielding region which shields light; and a backlight part, wherein the transparent substrate arranged on a backlight part side includes a reflection film formed of a metal thin film in which an opening region corresponding to the light transmitting region is formed on a liquid crystal layer side of the transparent substrate on the backlight part side, and the backlight light incident on the opening region passes through the opening region, and the backlight light incident on a region where the reflection film is formed is reflected toward the backlight part side.10-20-2011
20110134364ILLUMINATING DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE PROVIDED WITH THE SAME - Provided is an illuminating device wherein generation of luminance deterioration and luminance nonuniformity is suppressed. An illuminating device (06-09-2011
20110134363LIQUID CRYSTAL DISPLAY DEVICE AND GAME DEVICE - Provided is a liquid crystal display device including: a main display region (06-09-2011
20110096264COLOR MIXING LENS AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME - The present invention provides a color mixing lens which can improve color reproducibility, be made slim and adjust an emission pattern; and a liquid crystal display device having the same. The color mixing lens includes a light receiving portion having light receiving recesses which respectively house light emission diodes formed at a side surface thereof for positioning at least two light emission diodes at the side surface for producing color lights different from each other, a color mixing portion formed on the light receiving portion for mixing the lights from the light emission diodes into a white color light, and a light emission portion formed on the color mixing portion for emitting the white light from the color mixing portion through a top surface thereof.04-28-2011
20110080539ILLUMINATION DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - A backlight device (04-07-2011
20100110334SURFACE LIGHT SOURCE DEVICE AND LCD UNIT - The disclosed subject matter includes providing a surface light source device with high brightness that can emit light from both surfaces and an LCD unit having the same qualities. The surface light device can include a light guide having a light incoming surface, a reflecting sheet located adjacent the light guide, a transparent sheet having a light incoming surface located adjacent the reflecting sheet and a light source located toward both light incoming surfaces. Light emitted from the light source can be configured to enter into the light guide and the transparent sheet via the light incoming surfaces. The light can be efficiently emitted in both directions from the light guide and the transparent sheet using the reflecting sheet. Therefore, an LCD unit that includes an LCD located adjacent the light guide and a second display located adjacent the transparent sheet can illuminate displays with higher brightness.05-06-2010
20100110333LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a liquid crystal display panel, and a backlight which is arranged on a back surface of the liquid crystal display panel, wherein the backlight includes a plurality of optical sheets, and at least one optical sheet is displaced so as to adjust a viewing angle.05-06-2010
20100110332OPTICAL MEMBER UNIT, LIGHTING DEVICE FOR DISPLAY, DISPLAY, AND TELEVISION RECEIVER - An optical member 05-06-2010
20100110330ILLUMINATION DEVICE, LIGHT EMITTING ELEMENT, AND LIQUID CRYSTAL DISPLAY DEVICE - A backlight (illumination device) according to the present invention includes a plurality of light sources, and a light guiding body for causing light emitted from the light sources to be emitted from a light emitting surface. The light sources are provided inside the light guiding body, and emit light in directions which are substantially parallel to a light emitting surface of the light guiding body. At least two of the plurality of light sources emit the light in directions which are different from each other. More specifically, at least two of the plurality of light sources are provided so as to face each other, and provided so that one of the plurality of light sources emits light toward the other one of the plurality of light sources, and vice versa.05-06-2010
20080218657Display Device and Mobile Terminal Having the Same - Provided are a display device and a mobile terminal having the same. The display device comprises a transmissive liquid crystal panel, a first backlight unit on a rear side of the transmissive liquid crystal panel, a second backlight unit on a front side of the transmissive liquid crystal panel, and an optical shutter outside at least one of the first and second backlight units.09-11-2008
20110199559SURFACE LIGHT SOURCE APPARATUS AND LIQUID CRYSTAL DISPLAY APPARATUS - The present invention employs a configuration described as follows, so as to realize a surface light source apparatus which attain a thinness and a further improved luminance uniformity without suffering a deterioration in luminance. Specifically, space maintaining sections (08-18-2011
20110199558BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE - A backlight unit (08-18-2011
20110199556LIQUID CRYSTAL DISPLAY DEVICE - The liquid crystal display device includes: a substantially rectangular optical switching member in which a first polarizer, a first substrate, a second substrate, and a second polarizer are sequentially provided from a front surface side; a frame which surrounds the optical switching member; a planar light source which is disposed at the rear surface of the optical switching member; at least one optical sheet group which is disposed at the front surface of the planar light source; and an adhesive layer which fixes the optical switching member, the frame, and the optical sheet group to each other, and has a substantially rectangular opening, wherein at least one side of an optical sheet included in the optical sheet group and located at the frontmost surface is adhered to the adhesive layer, and the other sides are located inside the opening of the adhesive layer.08-18-2011
20100066942PRISM SHEET AND LIQUID CRYSTAL DISPLAY - A prism sheet having a function for preventing damage while assuring light collecting performance, and a liquid crystal display employing it. The prism sheet (03-18-2010
20100066944Display Device with Low Scratch Visibility and Manufacturing Method Thereof - A display device and a manufacturing method thereof are provided. The display device includes a light guide, a light source, and a brightness enhancement film (BEF), and a dual brightness enhancement film (DBEF). The light guide has a first edge along a first direction and a second edge adjacent to the first edge corresponding to the light source. The BEF is disposed on the light guide and has a plurality of prisms along a second direction which rotates from 0 to 90 degrees with respect to the first direction. The DBEF has a transmission axis along a third direction which also rotates from 0 to 90 degrees with respect to the first direction.03-18-2010
20100195020LIGHT CONTROL SHEET, SURFACE LIGHT SOURCE DEVICE, AND TRANSMISSION-TYPE DISPLAY DEVICE - A light control sheet, used in a surface light source device having a light source to control a travel direction of light emitted from the light source, including: a base layer; a lens layer having unit lenses arranged on the light outgoing side of the base layer; a light selection layer disposed on the light incident side of the base layer and a light selection layer disposed on the light incident side of the base layer and having light transmission parts transmitting the light therethrough and the light reflection parts reflecting the light; and a support layer disposed on the light incident side of the light selection layer. Each light transmission part is disposed in a region including a position opposite to an apex of each corresponding unit lens in a normal direction to the sheet surface. The light reflection parts are respectively arranged alternately to the transmission parts.08-05-2010
20100195019SURFACE LIGHT SOURCE APPARATUS - A light guide plate (08-05-2010
20090251636Liquid Crystal Display Device, Backlight Source and Optical Film - A liquid crystal display device according to the present invention includes a liquid crystal panel, a backlight source provided on a rear surface of the liquid crystal panel, for irradiating the liquid crystal panel with white light, and an optical film provided between the liquid crystal panel and the backlight source, in which the optical film includes a base material which passes the white light irradiated from the backlight source, a colored layer partially provided on one surface of the base material at the side of the liquid crystal, panel, and a reflective layer provided on another surface of the base material at the side of the backlight source opposite to the colored layer, for reflecting the white light.10-08-2009
20110181809LIQUID CRYSTAL DISPLAY DEVICE AND ILLUMINATING DEVICE - The side surface of the light guide plate includes an incident surface which faces the light source unit in an opposed manner, and a fixing surface which is directed in the left-and-right direction orthogonal to the top-and-bottom direction which is the direction along which the light source unit and the incident surface each other in an opposed manner. An engaging portion which is engageable with a lower frame is formed on the fixing surface or an edge portion which forms the fixing surface. The engaging portion is configured to allow a change of a distance between the incident surface and the lower frame due to expansion or shrinkage of the light guide plate while restricting the movement of the light guide plate in the top-and-bottom direction.07-28-2011
20110149201LIGHTGUIDE ILLUMINATOR EMBEDDED DISPLAY - A polymer-dispersed liquid crystal based display is embedded inside a lightguide illuminator sheet which provides illumination of the display without the need for a backlight or frontlight. Light from one or more light sources is coupled into the lightguide sheet and is guided within a range of high angles of incidence within the sheet by total internal reflection. The guided light illuminating portions of the display which are in diffusing state is scattered such that some of the light is allowed to escape total internal reflection, providing visibility of the display. Guided light illuminating portions of the display which are in non-diffusing state remains guided within the lightguide illuminator sheet. Combining multiple lightguide embedded displays can be used to provide a three-dimensional display. When a low refractive index cladding is applied to the surfaces of the lightguide embedded display, the display is robust in a dirty environment, and/or can be laminated to adjacent lightguide embedded displays. The use of one or more coupled light sources, such as light emitting diodes, provides color by combining one or more colored light sources or by time-sequentially driving one or more colored light sources. The lightguide illuminator embedded display may further be used as a content dependent active backlight for an LCD display panel to provide improved dynamic contrast.06-23-2011
20090174837Structure for Increasing the Efficiency of Light Utilization and Luminance of a Display - The present invention discloses a structure for increasing the efficiency of light utilization and luminance of a display comprising a backlight unit and a display panel. In other words, a light collector is disposed between the backlight unit and the display panel for guiding light coming from an opaque area of the display to a transparent area of the display to increase the efficiency of light utilization and the luminance of the display, and the light is illuminated from the backlight unit to the opaque area of the display. Beside, the light collector can be formed by a microlens array.07-09-2009
20100026931ILLUMINATING DEVICE AND LIQUID CRYSTAL DISPLAY APPARATUS - An illuminating device includes light emitting elements extending in a lengthwise direction and a light guide plate having a first principal surface for emitting light from the light emitting elements and a second principal surface facing the first principal surface. The light guide plate has light guide regions corresponding to the light emitting elements. The light emitting elements overlap the light guide plate on a side of the second principal surface of the light guide plate in plan view. The side of the second principal surface of the light guide plate has first sectional surfaces, on which light originated from each of the light emitting elements is incident. The side of the second principal surface of the light guide plate has second sectional surfaces, each having a reflection surface for reflecting the light originated from each light emitting element toward the first sectional surface, corresponding to the light emitting elements.02-04-2010
20100026930DIFFRACTIVE LIQUID CRYSTAL DISPLAY - A liquid crystal display (LCD) comprises a light source; a light diffractor over the light source configured to diffract light received from the light source; a liquid crystal diffraction grating over the light diffractor and between liquid crystal pixel structures comprising a plurality of liquid crystal pixels; the liquid crystal diffraction grating has a changed diffraction index in response to application of a voltage differential across the diffraction grating, and when having the changed diffraction index aligns diffracted light received from the light diffractor into aligned light directed toward the liquid crystal pixel structure. An LCD may comprise a plurality of liquid crystal pixels each comprising a reflective part and a transmissive part, the reflective part of at least some of the plurality of liquid crystal pixels comprising a retroreflector configured to reflect at least some light rays, received from an external light source, toward the external light source.02-04-2010
20100020265DISPLAY APPARATUS - The present application provides a display apparatus including: a display panel having a plurality of pixels disposed in a matrix; a first polarizer; a second polarizer; a surface emitting light source; a third polarizer; and a polarization control element whose orientation of a transmission axis changes according to a control signal. A control section outputs a control signal that controls orientation of the transmission axis of the polarization control element so that a polarization axis of transmission light of the polarization control element is oriented in a direction crossing the transmission axis of the first polarizer in a part corresponding to a pixel position of black display and is oriented in a direction parallel to the transmission axis of the first polarizer in a part corresponding to a pixel position of white display.01-28-2010
20100020263LIQUID CRYSTAL DISPLAY PANEL PROVIDED WITH MICROLENS ARRAY, METHOD FOR MANUFACTURING THE LIQUID CRYSTAL DISPLAY PANEL, AND LIQUID CRYSTAL DISPLAY DEVICE - There is provided a liquid crystal display panel with microlenses in which deformation, peeling, and the like of an optical film are not likely to occur and which has a good displaying quality.01-28-2010
20120033155PROTECTIVE FILM, LOWER POLARIZING PLATE, LIQUID CRYSTAL DISPLAY PANEL, DISPLAY DEVICE, AND METHOD FOR PRODUCING PROTECTIVE FILM - There is provided a protective film to be bonded to a polarizer to form a lower polarizing plate for a liquid crystal display panel. The protective film for a lower polarizing plate includes a matrix of a resin material and a diffusing component dispersed in the matrix. At least one-side surface, which is to face the polarizer, of the protective film is flat.02-09-2012
20110051041BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE - The top surface (03-03-2011
20110051040THICK POLYESTER FILMS FOR OPTICAL ARTICLES AND OPTICAL ARTICLES - In one embodiment, the invention provides a polyethylene terephthalate film comprising a biaxially oriented and birefringent film polyethylene terephthalate film having at least one layer having a thickness of from 10 mils (0.25 mm) to 25 mils (0.64 mm), wherein the film is formed from a polyethylene terephthalate resin comprising the reaction product of dimethyl terephthalate, terephthalic acid, or a combination thereof ethylene glycol, a diol or triol monomer other than ethylene glycol and from 0.9 to 3 mol percent of a sulfonate monomer having an inorganic counterion based on 100 mol percent dimethyl terephthalate, terephthalic acid, or a combination thereof.03-03-2011
20110051039LIGHT-EMITTING DEVICE, PLANAR LIGHT SOURCE INCLUDING THE LIGHT-EMITTING DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE PLANAR LIGHT SOURCE - A light-emitting device according to an embodiment of the present invention includes a light-emitting element, and a package substrate on which this light-emitting element is placed. This package substrate includes a placement face on which the light-emitting element is placed, a back face that is opposed to the placement face, and a mounting face that is opposed, between the placement face and the back face, to a mounting substrate when the light-emitting device is mounted, and includes a first recess portion that extends, on the mounting face, from the back face toward the placement face and that has a first heat conduction member formed on the surface thereof, and an intermediate heat conduction member for conducting heat between the light-emitting element and the first heat conduction member.03-03-2011
20110051038LIQUID CRYSTAL DISPLAY UNIT AND GAMING DEVICE - The present invention includes a primary display region (03-03-2011
20110051037OPTICAL ASSEMBLY, BACKLIGHT UNIT, AND DISPLAY DEVICE - An optical assembly, a backlight unit including the optical assembly, and a display device including the backlight unit are discussed. According to an embodiment, a light generating device such as a backlight unit includes a first layer; a plurality of light source devices disposed on the first layer and configured to emit light from side surfaces of the light source devices, at least one of the light source devices having a light emitting diode and at least one lead electrode electrically connected to the light emitting diode, each of the at least one lead electrode being disposed in at least one lead electrode area of the corresponding light source device; a reflection layer configured to reflect the light emitted from the light source devices, the reflection layer disposed on the first layer and defining at least one predetermined gap between the at least one lead electrode area of the corresponding light source device and the reflection layer; and a second layer covering the light source devices and the reflection layer.03-03-2011
20110051036Liquid Crystal Display Device - The invention makes patterns which may show, according to the positioning of light guide plates, along the vertical direction of a display screen of a side-edge type liquid crystal display device inconspicuous. This is achieved by disposing light guide plates so as to guide the illumination light from light sources, for example, LEDs along the vertical direction of the display screen. The vertically guided illumination light is reflected, with reflection sheets also facilitating the reflection, at rear sides of the light guide plates and is, after traveling through a diffusion sheet to be made more uniform, further guided to liquid crystals. Even though boundaries between light guide plates are generally more conspicuous along the vertical direction of a display screen than along the horizontal direction, first guiding the illumination light into a vertical direction removes the problem of such boundaries conspicuously showing along the vertical direction.03-03-2011
20110051035UNIFORM DIFFRACTIVE BACKLIGHT - A backlight is provided for illuminating an at least partially transmissive display. The backlight includes a light source. A light guide receives the light from an edge surface and guides the light by total internal reflection. The light is extracted from the lightguide using sub-wavelength extraction features designed on the basis of one grating structure with a second interlinks structure cut into the first structure. The first structure determines the extraction properties. The second structure determines the extraction efficiency and uniformity of the system. Higher efficiency and more uniform sub-wavelength extraction are possible with a device in accordance with the invention.03-03-2011
20120307179LIQUID CRYSTAL DISPLAY APPARATUS - A liquid crystal display apparatus according to an embodiment of the invention includes: a liquid crystal cell; polarizing plates placed on both sides of the liquid crystal cell; a light diffusing element provided outside of the polarizing plate on a viewer side; and a backlight unit provided outside of the polarizing plate on an opposite side of the viewer side. The backlight unit includes a collimated light source device that emits collimated light having a brightness half-value angle of 3° to 35° toward the liquid crystal cell, and a ratio Fw(BL)/Fw(FD) between a diffused light half-value angle Fw(FD) of the light diffusing element and the brightness half-value angle Fw(BL) of the collimated light is 0.5 or less.12-06-2012
20120307178DISPLAY DEVICE - A display device includes a display module, a light source module and a guiding optical film. The display module includes a first substrate, a second substrate and a display medium. The light source module generates directional light. The display module has a vertical electric field. The display medium is optically isotropic, and the display medium is optically anisotropic when driven by the vertical electric field. The directional light is not perpendicular to the first substrate when the directional light enters the display nodule. The directional light is not perpendicular to the second substrate when the directional light exits the display module. The guiding optical film is disposed on the second substrate and has a light incident surface and a light emitting surface. After the directional light exits the guiding optical film, emitting light is formed, and the emitting light and the light emitting surface has an included angle there between.12-06-2012
20110304797LIQUID CRYSTAL DISPLAY DEVICE - The present invention provides a liquid crystal display device that suppress moiré generated when a voltage is applied in a liquid crystal mode that drives a vertical alignment liquid crystal by using at least a pair of comb-shaped electrodes. A liquid crystal display device of the present invention comprises: a liquid crystal display panel including a liquid crystal layer and a pair of substrates sandwiching the liquid crystal layer; and a backlight unit disposed on a back side of the liquid crystal display panel, one of the pair of substrates including a pair of comb-shaped electrodes each having comb teeth, the comb teeth of one of the pair of comb-shaped electrodes and the comb teeth of the other of the pair of comb-shaped electrodes being disposed alternately and spaced apart from each other, the liquid crystal layer containing liquid crystal molecules with positive dielectric anisotropy, the liquid crystal molecules being aligned in a direction perpendicular to a surface of one of the pair of substrates when no voltage is applied, the backlight unit having an optical sheet with multiple folds parallel to one another on a surface, the pitch width of the pair of comb-shaped electrodes being different from an integral multiple of the pitch width of the folds of the optical sheet.12-15-2011
20110304794BACKLIGHT ASSEMBLY AND LIQUID CRYSTAL DISPLAY INCLUDING THE SAME - A liquid crystal display includes a backlight assembly. The backlight assembly includes a light guide plate, a light source module which emits light to a side surface of the light guide plate, and a housing which accommodates the light guide plate and the light source module. The light source module includes a printed circuit board on which a plurality of a point light source is mounted, and a light source fixing board which supports the printed circuit board. The housing includes a bottom portion on which the light guide plate is placed, and a fixing portion which extends from an edge of the bottom portion. An extension portion of the light source fixing board, which is adjacent to a corner of the light guide plate, and an end of the fixing portion of the housing, are coupled to a reinforcing member.12-15-2011
20110141395BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE - Three grating piece groups (06-16-2011
20110304796BACKLIGHT UNIT AND THE DISPLAY DEVICE HAVING THE SAME - Provided are a backlight unit and a display device having the same. The backlight unit configured to emit light onto a liquid crystal panel in which one screen is defined into a plurality of display areas includes a bottom frame having a bottom surface and a sidewall, a plurality of light emitting diodes (LEDs) disposed on the bottom surface of the bottom frame, the plurality of LEDs defining a plurality of light emitting areas corresponding to the display areas of the liquid crystal panel, at least one module board supporting the plurality of LEDs, an integrated light guide plate covering the plurality of LEDs, the integrated light guide plate being disposed on the plurality of light emitting areas corresponding to one screen, and an alignment unit for aligning the integrated light guide plate with the plurality of LEDs.12-15-2011
20100188605LIQUID CRYSTAL DISPLAY DEVICE AND POLARIZATION PLATE - The present invention has an object to provide high-luminance liquid crystal display device and polarizer, each including a reflection and polarization sheet. The present invention is a liquid crystal display device including: a backlight system including a reflection and polarization sheet; a back polarizer; a liquid crystal cell; and a front polarizer, stacked in this order, wherein the liquid crystal display device includes a protective film that protects a back face of the back polarizer, the protective film has no retardation in a thickness direction thereof, and when the protective film is viewed in plane, an optic axis of the protective film in an in-plane direction thereof is parallel to an absorption axis of the back polarizer.07-29-2010
20110109838LIQUID CRYSTAL DISPLAY DEVICE - An LCD device adapted to prevent an intrusion of foreign substance and a light leakage phenomenon is disclosed.05-12-2011
20120038850OPTICAL FILM FOR PREVENTING OPTICAL COUPLING - Optical constructions are disclosed. A disclosed optical construction includes first and second major surfaces (02-16-2012
20120099048LIGHT-EMITTING ELEMENT UNIT AND DISPLAY DEVICE - A light-emitting element unit which can improve color purity of light emitted from a color filter is provided. A display device with high color purity and high color reproducibility is provided. The light-emitting element unit includes a wiring board, a light-emitting element chip provided over the wiring board, a micro optical resonator provided over the wiring board and at the periphery of the light-emitting element chip, and a phosphor layer covering the light-emitting element chip and the micro optical resonator. The display device includes a display panel having a coloring layer and a backlight module having the light-emitting element unit. Examples of the display panel include: a liquid crystal panel; and a display panel including an opening portion provided over a first substrate, MEMS moving over the opening portion in the lateral direction, and a second substrate provided with a coloring layer in a portion corresponding to the opening portion.04-26-2012
20100103346LIGHT EMITTING ELEMENT AND LIQUID CRYSTAL DISPLAY APPARATUS - A light-emitting element (04-29-2010
20110063542TRANSPARENT DISPLAY DEVICE - A display device includes a liquid crystal display panel that varies a phase of polarized light via liquid crystal molecules, and having first and second polarizing plates respectively disposed on opposite sides of the liquid crystal display panel; a first light guide plate including a surface having a plurality of recessed patterns, to reflect light input through a side surface of the first light guide plate, and to output two-dimensional light towards the liquid crystal display panel; and a second light guide plate including a surface having a plurality of recessed patterns, the plurality of recessed patterns of the second guide plate facing the plurality of recessed patterns of the first light guide plate.03-17-2011
20110317095SUPPORTING UNIT, SHEET SET, ILLUMINATING DEVICE, AND DISPLAY DEVICE - A supporting unit (12-29-2011
20110157517ILLUMINATION DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - A backlight (06-30-2011
20110157516ILLUMINATING DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE PROVIDED WITH THE SAME - Provided is an illuminating device wherein luminance deterioration due to a change of visual angle is suppressed. An illuminating device (06-30-2011
20120062818LIQUID CRYSTAL DISPLAY PANEL AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display panel according to an embodiment of the present invention comprises: a backlight source; a liquid crystal cell; and a polarization adjusting layer disposed outside the liquid crystal cell and used to adjust the polarization direction of the linear polarized light emitted from the liquid crystal cell and transmitted through the polarization adjusting layer, wherein the polarization adjusting layer comprises a base body and optical anisotropic crystal grains dispersed within the base body. Also a liquid crystal display device is provided.03-15-2012
20110157515OPTICAL ELEMENT, LIQUID CRYSTAL DISPLAY AND MANUFACTURE METHOD THEREOF - An optical element adapted to be arranged between a white light source of a backlight and a color filter substrate of a liquid crystal display (LCD) in optical path, wherein the white light of the backlight is obtained by mixing blue light and yellow light by exciting yellow fluorescent powders with blue light, and wherein red particles are dispersed in the optical element.06-30-2011
20110157514PHOTOFLASH - A photoflash includes a substrate, a flashtube and a light field control member. The substrate serves as a bottom of a cavity formed there-above and having a plurality of circuits embedded in the bottom of the cavity. The flashtube is received in the cavity and electrically connected to the circuits. The control member includes a liquid crystal panel, a plurality of transparent electrodes attached on opposite of the liquid crystal panel and a control circuit attached on the panel and electrically connected to the electrodes. The liquid crystal panel is mounted on the substrate and covers the cavity, while the control circuit is electrically connected to the circuits of the substrate. The control circuit is configured for controllably powering transparent electrodes thereby adjusting the arrangement of liquid crystal cells in particular regions of panel to control which portions of the light emitted from the flashtube will pass through the light field control member.06-30-2011
20110157513LIQUID CRYSTAL DISPLAY DEVICE - Disclosed is a liquid crystal display device, provided with an optical-modulation film including a matrix and birefringent island-in-the-sea yarns having two or more spinning cores arranged in the matrix to considerably reduce production costs and remarkably increase luminance. The optical-modulation film includes birefringent island-in-the-sea yarns whose island portions are grouped based on two or more spinning cores, present in the matrix, thus causing formation of optical modulation interfaces between the island portions and sea portions, thus maximizing optical modulation efficiency, as compared to conventional birefringent fibers.06-30-2011
20090002597Liquid Crystal Display Unit - Provided is a liquid crystal display unit that offers high visibility irrespective of the brightness of the surrounding environment and that achieves a reduction in electric power consumption as well as in cost. The liquid crystal display unit is provided with a liquid crystal layer 01-01-2009
20120002136PLANAR ILLUMINATION DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A planar illumination device for illuminating a liquid crystal display panel provided with a polarizing plate on a light incident side, includes: a light source unit for emitting light having a specified polarization direction; and a light irradiating member for deflecting light emitted from the light source unit and irradiating the liquid crystal display panel with the deflected light, wherein the light irradiating member deflects the light emitted from the light source unit such that the polarization direction of the light emitted from the light source unit substantially coincides with a transmission axis direction of the polarizing plate of the liquid crystal display panel.01-05-2012
20120057098COLOR LIQUID CRYSTAL DISPLAY DEVICE - A color liquid crystal display device includes a liquid crystal display element and a backlight unit. The liquid crystal display element includes a color filter having a red filter segment, a green filter segment, and a blue filter segment. The red filter segment is prepared from a red photosensitive resin composition which includes a pigment combination, an alkali-soluble resin, a compound having an ethylenic group, and a photoinitiator. The pigment combination includes an azo-based red pigment and an anthraquinone-based red pigment. A weight ratio of the azo-based red pigment to the anthraquinone-based red pigment ranges from 20/80 to 80/20. The backlight unit is coupled to the liquid crystal display element and has a color temperature ranging from 6,000 K to 20,000 K.03-08-2012
20120013824BACKLIGHT UNIT AND DISPLAY DEVICE - A backlight unit including holding members capable of preventing occurrence of a noise caused when the members are brought into contact with an optical member such as a diffusion plate. A backlight unit (01-19-2012
20120013823EXTERNAL LIGHT ILLUMINATION OF DISPLAY SCREENS - Apparatus and methods for harnessing external light to illuminate a display screen of an electronic device are provided. The display screen may be illuminated using a light harness, a reflector, a translucent surface, or any combination thereof. The light harness may be cylindrical or hexahedral. The light harness may be coupled to an external light input or a collector. The reflector may be repositioned toward or away from the display screen to reflect external light toward the display screen. The translucent surface may allow external light to pass through it to illuminate the display screen. The translucent surface may protect the rear face of the display screen, or the rear face of the display screen may itself be translucent.01-19-2012
20120013822LIQUID CRYSTAL DISPLAY MODULE, BACKLIGHT MODULE AND BACK PLATE THEREOF - The present invention discloses a liquid crystal display module, a backlight module and a back plate thereof. The back plate has a back-plate mainbody disposed on a bottom of the backlight module, and two bent structures integrally and symmetrically arranged on two opposite sides of the back-plate mainbody for supporting an optical film assembly of the backlight module. The present invention is applied to a LCD module with a separate-type backlight module design for saving the used number of housing strips, simplifying the structure of the backlight module, and enhancing the stability thereof.01-19-2012
20120057099LED LIGHT SOURCE UNIT FOR BACKLIGHT OF LIQUID CRYSTAL DISPLAY, AND LIQUID CRYSTAL DISPLAY - An LED light source unit for a backlight of a liquid crystal display is provided. The light source unit includes a plurality of LED chips, an insulating substrate, and a metal film covering a principal surface of the substrate. The LED chips are mounted on the metal film. With this arrangement, brightness of the light source unit is enhanced.03-08-2012
20120057100OPTICAL MEMBERS AND DEVICES EMPLOYING THE SAME - There are provided optical members having a microlens array structure that can be produced by a more simple process, as well as devices employing them. The optical members have on one main surface a microlens array formed using a replication process that employs a mold comprising a plurality of gas bubbles arranged on a replication surface. There are also provided devices that employ the optical members.03-08-2012
20120026424LIQUID CRYSTAL DISPLAY DEVICE INCLUDING BACKLIGHT UNIT - A liquid crystal display device includes: a main frame having a rectangular ring shape; a reflecting plate on the main frame; a light guide plate on the reflecting plate; a light emitting diode (LED) assembly along at least one side of the main frame, the LED assembly having a plurality of LEDs and an LED printed circuit board (PCB), the LED PCB including a first portion having the plurality of LEDs thereon and a second portion perpendicular to the first portion; an LED housing contacting the LED PCB; a plurality of optical sheets on the light guide plate; a liquid crystal panel on the plurality of optical sheets; a bottom frame under the reflecting plate, the bottom frame including a horizontal plate contacting the reflecting plate and a sidewall perpendicular to the horizontal plate, the sidewall contacting the LED housing; and a top frame covering a front edge portion of the liquid crystal panel, the top frame, the main frame and the bottom frame coupled to each other.02-02-2012
20120026423EDGE-LIT BACKLIGHT MODULE AND LCD USING THE SAME - The present invention discloses an edge-lit backlight module and a liquid crystal display using the same, which can achieve good local dimming. The edge-lit backlight module includes a light guide plate, which is divided into several sections disposed as a ladder shape. By disposing the light guide plate sections jointed with each other at different levels, a space is defined at a side edge of each section to dispose a light source such as an LED light bar, thereby realizing local dimming for multiple sections with edge-lit illumination.02-02-2012
20120026426GROUP OF PHOSPHOR PARTICLES, LIGHT-EMITTING DEVICE USING SAME, AND LIQUID CRYSTAL TELEVISION RECEIVER - Provided is a phosphor particle group of divalent europium-activated oxynitride green light emitting phosphor particles (02-02-2012
20120154711TRANSPARENT LIQUID CRYSTAL DISPLAY DEVICE - The present disclosure relates to a transparent liquid crystal display device. The present disclosure suggests a transparent liquid crystal display device comprising: a liquid crystal panel; an upper polarizer film disposed on a front side of the liquid crystal panel; a light guide disposed directly at a rear side of the liquid crystal panel; a light source including a red LED, a green LED and a blue LED disposed at one side of the light guide; a side polarizer film disposed between the light source and the light guide; and a reflective optical sheet disposed directly at a rear side of the light guide. The transparent liquid crystal display device according to the present disclosure has an enhanced transparent property and an enhanced color reproduction property, at the same time.06-21-2012
20120154710LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - A liquid crystal display device is disclosed. In one embodiment, the device includes: a panel having a first substrate and a second substrate with a liquid crystal layer interposed therebetween, and a first polarizing plate and a second polarizing plate, respectively, attached on the exterior surfaces of the first substrate and the second substrate. The device may further include a driving chip installed in a boundary of the first substrate at the opposite surface of the first substrate onto which the first polarizing plate is attached, wherein the first polarizing plate covers the boundary of the first substrate and has a cut portion corresponding to the first substrate in which the driving chip is installed.06-21-2012
20130010229LIQUID CRYSTAL DISPLAY PANEL INCLUDING PHOTO CONVERSION LAYER AND LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display panel and a liquid crystal display (LCD) device are discussed. One monochromatic light is transmitted through a liquid crystal layer and converted into white light having a plurality of wavelengths through upper photo conversion layer, thus improving light transmittance of liquid crystal and reducing a change in a screen color. The liquid crystal display panel includes: first substrate over the backlight unit; a liquid crystal layer over the first substrate to transmit the one monochromatic light; a photo conversion layer over the liquid crystal layer for converting the one monochromatic light into white light; a color filter layer over the photo conversion layer for filtering the converted white light to display color; and a second substrate on the color filter layer.01-10-2013
20110090424ILLUMINATION DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - A backlight (illumination device) of the present invention includes a plurality of light source units (04-21-2011
20110090423ILLUMINATION DEVICE WITH PROGRESSIVE INJECTION - Illumination devices having a partially transmissive front reflector, a back reflector, and a cavity between them are disclosed. At least one light injector including a baffle and a light source is disposed in the cavity. The light injector is capable of injecting partially collimated light into the cavity. The output area of the illumination device can be increased by disposing light injectors progressively within the cavity, without sacrificing uniformity of the light emitted through the output area.04-21-2011
20110090422BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE - A housing (HG) for a backlight unit (04-21-2011
20110102707BACKLIGHT UNIT AND DISPLAY APPARATUS - A backlight unit and a display apparatus are provided, the display apparatus including: a display panel on which an image is displayed; and a backlight unit which provides backlight to the display panel, the backlight unit including a plurality of light guide plates, a plurality of substrates which are respectively disposed on at least two surfaces of the corresponding plurality of light guide plates, and a plurality of light emitting units which are respectively disposed between the plurality of light guide plates, and respectively disposed on a surface of the corresponding plurality of substrates. Therefore, a heat radiating surface of a backlight unit is broadened, thereby improving a heat radiating effect and causing the backlight unit to be assembled easily.05-05-2011
20110032451LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device which can effectively suppress the occurrence of brightness irregularities without using additional members or complicated formed parts in miniaturizing the liquid crystal display device is provided. The liquid crystal display device includes: a liquid crystal display panel; and a backlight which illuminates the liquid crystal display panel, wherein the backlight includes a light guide plate, a plurality of light emitting diodes which are arranged on a side portion of the light guide plate, and an optical sheet member (a diffusion sheet, a prism sheet) which is arranged between the light guide plate and the liquid crystal display panel and has a light diffusion property or a light condensing property, and a cutaway portion is formed on a side of the optical sheet member in the vicinity of the light emitting diodes.02-10-2011
20120162575COLOR LIQUID CRYSTAL DISPLAY DEVICE - A color liquid crystal display device includes a liquid crystal display element and a backlight unit. The liquid crystal display element includes a color filter having a red filter segment, a green filter segment, and a blue filter segment. The blue filter segment is prepared from blue photosensitive resin composition. The blue photosensitive resin composition includes a pigment combination, an alkali-soluble resin, a compound having an ethylenic group, and a photoinitiator. The pigment combination includes a copper phthalocyanine-based blue pigment. The color filter has a z value ranging from 0.3 to 0.5 in a chromaticity diagram of a XYZ color system. The backlight unit is coupled to the liquid crystal display element and has a color temperature ranging from 8,000 K to 20,000 K.06-28-2012
20120162574METHOD FOR MANUFACTURING COLOR FILTER FILM, DISPLAY DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE USING THE COLOR FILTER SUBSTRATE - A method for manufacturing a color filter substrate, a display device, and liquid crystal display device using the color filter substrate are provided. The method for manufacturing the color filter substrate includes following steps. A cave is formed in a flexible base by a laser. A color filter element is formed in the cave by an inkjet printing method, so that the color filter substrate is formed by the base and the color filter element. The color filter substrate including the cave and the color filter element is formed by a roll to roll process.06-28-2012
20120120345INSTRUMENT CLUSTER GAUGE - A dial gauge assembly includes a single circuit board that supports light emitting diodes for both illuminating a pointer and backlighting a liquid crystal display. The dial gauge assembly controls illumination of the pointer by switching on and off a plurality of segments disposed within the LCD.05-17-2012
20100289984LIQUID CRYSTAL DISPLAY DEVICE AND MANUFACTURING METHOD THEREFOR - The liquid crystal display device includes: a liquid crystal panel in which liquid crystal is held in a cell between a first substrate and second substrate opposed to each other, an illumination device which is placed on a side of the first substrate of the liquid crystal panel; a polarization layer containing a dichroic dye that has lyotropic liquid crystal properties which is formed by application on a surface of the first substrate of the liquid crystal panel that is opposite from the liquid crystal; and a condenser lens which condenses light from the illumination device to an interior of the cell, and/or a resin layer which protects the polarization layer, which are disposed on a top surface of the polarization layer.11-18-2010
20100289983OPTICAL DEVICE, MATERIAL FOR FORMING OPTICAL DEVICE, BACKLIGHT FOR DISPLAY, DISPLAY AND METHOD OF MAKING DEVICE OR MATERIAL - An optical device is provided, for example for use as a brightness enhancing film in a display. The device comprises a sheet (11-18-2010
20120249924Display Apparatus - A display apparatus is provided. The display apparatus comprises a display device for displaying an image and a diffractive optical element. The diffractive optical element is disposed on a light emitting side of the display device. The diffractive optical element comprises first grating regions. Each of the first grating regions has first diffraction gratings having a constant cycle space and the same azimuth angle. An area of the first grating regions occupies 17.5%˜94% of an area of the diffractive optical element.10-04-2012
20120249923Display Module, Display Device, and Liquid Crystal Television Set - This display module includes a display cell, a light source, a light guide plate, and a reflective sheet arranged on a side opposite to the display cell with respect to the light guide plate. A projecting portion protruding toward the light guide plate and coming into contact with the light guide plate is formed on a surface of the reflective sheet closer to the light guide plate.10-04-2012
20120249922Liquid Crystal Display and Backlight Module Thereof - A backlight module is disclosed in the present invention. The backlight module comprises a light guide plate and a light source. The light guide plate comprises a light incident surface, and the light source is disposed adjacent to the light incident surface. The backlight module further comprises a protruding part, which abuts against the light incident surface to define a distance between the light source and the light incident surface. The present invention further discloses a liquid crystal display (LCD) device, which is provided with the aforesaid backlight module. Because the backlight module of the present invention is provided with a protruding part that effectively defines a distance between the light source and the light incident surface of the light guide plate, the light coupling efficiency of the backlight module is remarkably optimized.10-04-2012
20120249921LIGHT GUIDE PLATE, LIQUID CRYSTAL DISPLAY MODULE AND LIQUID CRYSTAL DISPLAY - The patent application claims an L-shaped light guide plate, which consists of a long section and a short section. The long section includes a light emitting surface and an inner side corresponding therewith; one side of the short section that is intersected with the inner side is a light plane of incidence. An LED light bar is positioned at the bottom of the inner side and is arranged on the side of the light plane of incidence. The light emitting surface of the LED light bar is in parallel with the light plane of incidence. Light shoots in from the light plane of incidence and is then reflected to the light emitting surface of the long section by a reflecting plate. The patent application further provides a liquid crystal display module and a liquid crystal display, which are provided with said light guide plates. In the light guide plate, the liquid crystal display module or the liquid crystal display provided by this patent application, the light guide plate is arranged in segmentation and the LED light bar is arranged below the light guide plate; so that the internal space of the machine body can be saved, and the design of the narrow frame of the machine body can be realized.10-04-2012
20120127397LIGHT GUIDE PLATE, METHOD FOR PRODUCING LIGHT GUIDE PLATE, SURFACE LIGHT SOURCE DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE - A light guide plate (05-24-2012
20100208164SURFACE ILLUMINATOR AND LIQUID CRYSTAL DISPLAY HAVING THE SAME - The invention provides a surface illuminator capable of achieving high display quality by employing an array of discrete light sources constituted by a plurality of LEDs and a liquid crystal display having the same. The surface illuminator includes an LED module which is a plurality of LEDs alternately and discretely provided along a light entrance surface and a color irregularity correcting resistor which is connected in parallel with a predetermined LED at an end of the LED module and which provides a bypass for a current supplied to the LED.08-19-2010
20100208163LIQUID CRYSTAL DISPLAY APPARATUS - A liquid crystal display apparatus according to the present invention includes: a light source (08-19-2010
20120133861MULTI-LEVEL LIGHT GUIDE PLATE AND LIQUID CRYSTAL DISPLAY MODULE - The present invention discloses a multi-level light guide plate (LGP) and a liquid crystal display (LCD) module. The LGP is divided into multiple sections sequentially connected with each other in a direction, and at least one light bar is disposed at an outward side of each section of said multiple sections. The LCD module has the multi-level LGP, which is located between a liquid crystal panel and a back plate. The multi-level LGP provided by the present invention can achieve local dimming for multiple sections and ensure that light rays of the respective sections will not influence each other.05-31-2012
20090059120ILLUMINATION APPARATUS AND LIQUID CRYSTAL DISPLAY APPARATUS - An illumination apparatus is disclosed. The illumination apparatus includes a polarization plate, a light source, and a light transmission film. The light transmission film is disposed between the polarization plate and the light source and includes a plurality of prisms formed on a surface thereof, the plurality of prisms each having a ridge line in a first direction and being continuously arranged in a second direction perpendicular to the first direction. In the illumination apparatus, the light transmission film is disposed such that a ridge line direction of the plurality of prisms is one of a perpendicular direction and an approximately perpendicular direction to a transmission axis of the polarization plate.03-05-2009
20090059119OPTICAL ELEMENT PACKAGE, BACKLIGHT, AND LIQUID CRYSTAL DISPLAY DEVICE - An optical element covering member capable of improving insufficiency in rigidity of the optical element while an increase in thickness of a liquid crystal display device or deterioration of display characteristics of the liquid crystal display device is reduced, a backlight provided with the optical element covering member, and a liquid crystal display device are provided. The optical element covering member includes at least one optical element, a support medium for supporting the at least one optical element, and a covering member for covering the at least one optical element and the support medium. The at least one optical element and the support medium constitute a stack.03-05-2009
20120169967Two-Way Liquid Crystal Display Device - A two-way liquid crystal display device includes first and second liquid crystal panels; a backlight unit disposed between the first and second liquid crystal panels and including an LED assembly and a light guide plate, wherein the LED assembly is disposed at a side surface of the light guide plate and the light guide plate includes predetermined patterns at first and second surfaces thereof facing the first and second liquid crystal panels, respectively; and a support main including a first part guiding the first liquid crystal panel and a second part guiding the second liquid crystal panel and the back light unit, wherein light emitted from the LED assembly is guided by the light guide plate and is provided to the first and second liquid crystal panels.07-05-2012
20120169964DISPLAY DEVICE - A display device includes a display section, an optical liquid crystal panel having a first and second transparent substrates disposed to face each other, and a liquid crystal layer enclosed between the first and second transparent substrates, and a light source. The display section is bonded to an external face of the first transparent substrate of the optical liquid crystal panel, a plurality of first transparent electrodes are provided on an internal face of the first transparent substrate, a second transparent electrode is provided on an internal face of the second transparent substrate, and the liquid crystal layer and the second transparent electrode are provided to occupy entirety of an effective region corresponding to an effective image area of the display section.07-05-2012
20120169968LIGHT EMITTING DEVICE, BACKLIGHT UNIT, LIQUID CRYSTAL DISPLAY APPARATUS, AND LIGHTING APPARATUS - Provided is a light-emitting device which can reduce grainy texture, suppress color unevenness and luminance unevenness. A light-emitting device according to the present invention includes: a board; a plurality of light-emitting parts each of which includes (i) a LED chip mounted on the board and (ii) a phosphor-containing resin including a light wavelength converter and covering the LED chip. Further, the light-emitting device includes a light-guiding member provided on the board, between the light-emitting parts which are adjacent to each other. Furthermore, the light-guiding member is formed to cover part of the phosphor-containing resin.07-05-2012
20120169966GRATING SHEET, LCD DEVICE AND METHODS FOR MANUFACTURING GRATING SHEET AND LCD PANEL - A grating sheet, a LCD device and methods for manufacturing the grating sheet and a liquid crystal display panel are provided. The grating sheet comprises a plurality of primary color gratings in parallel, each of which comprises a red R sub-grating, a green G sub-grating and a blue B sub-grating in parallel, and each sub-grating comprises an opening area and a reflective region disposed around the opening area and corresponds to a pixel unit on a sub-array substrate. The grating sheet, the liquid crystal display panel and methods for manufacturing the grating sheet and a liquid crystal display panel may be applicable to a system with a liquid crystal display.07-05-2012
20120176564LIQUID CRYSTAL DISPLAY DEVICE - A mounting unit of a second flexible circuit board is arranged on a rear surface side of a liquid crystal display panel. A portion of a first flexible circuit board at which a connection terminal is formed is bonded to an end portion of a display surface side of the liquid crystal display panel, is pulled out from the end portion of the liquid crystal display panel, is bent and overlapped with the opposite surface to the surface where the light emission components of the mounting unit are mounted with a space, and an external terminal is arranged on the rear surface side. An extended portion is pulled out from the mounting unit, is bent so as to return to the direction of the mounting unit, and is overlapped with the first flexible circuit board on an outer surface of the first flexible circuit board.07-12-2012
20120176565LED LAMP TUBE AND LIQUID CRYSTAL DISPLAY DEVICE - An LED lamp tube includes a plurality of primary light emitting units connected in series. Each of the primary light emitting units includes a plurality of light emitting sub-units connected in parallel. Each of the light emitting sub-units includes at least one light emitting diode. A liquid crystal display device includes the LED lamp tube, a drive circuit, an optical module and a liquid crystal layer.07-12-2012
20120176563LIQUID CRYSTAL DISPLAY DEVICE - The TFT substrate includes a pixel electrode and a common electrode laminated one on top of another via an insulating layer, one of the pixel electrode and the common electrode provided farther from the liquid crystal layer being formed into a plane shape, and another of the pixel electrode and the common electrode provided closer to the liquid crystal layer having slits formed therein, each of the plurality of slits having a closed end portion. The liquid crystal display panel further includes a reflection portion for reflecting light, the reflection portion being formed at a surface of the liquid crystal display panel on the illumination device side in a portion which overlaps, in plan view, the end portion of the each of the slits in the long-side direction and a vicinity thereof, and a part of an inner region of the each of the slits.07-12-2012
20120075555LIQUID CRYSTAL DISPLAY APPARATUS AND LIGHT EMITTING ASSEMBLY WITH LIGHT TRANSMISSION CONTROL ELEMENTS FOR ILLUMINATING SAME - A liquid crystal display apparatus (03-29-2012
20120075554LIQUID CRYSTAL PANEL, LIQUID CRYSTAL DISPLAY DEVICE AND TERMINAL DEVICE - To provide a liquid crystal panel capable of realizing excellent display performance using a circular polarizing plate therein, and a liquid crystal display device and a terminal device using the same, with respect to a semi-transmission type liquid crystal display device in a horizontal electric field mode (In-Plane Switching: IPS).03-29-2012
20120075553ILLUMINATION OPTICAL SYSTEM AND IMAGE DISPLAY APPARATUS MAKING USE THEREOF - An illumination optical system for illuminating a surface with a light beam from a light source, in a first plane parallel with the optical axis, the light beam from the light source is split, and first light source images are formed in a first zone with the use of the thus split light beams; light beams from the first light source images being led to the surface, in a second plane parallel with the optical axis and perpendicular to the first plane, the light beam from the light source is split, and second light source images are formed in a second zone, with the use of the thus split light beams, light beams from the second light source images being led to the surface, where the width of the first zone in the first plane is greater than that of the second zone in the second plane.03-29-2012
20120075552BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS HAVING THE SAME - A backlight assembly includes a light source part, a light guide plate, a container, and a support member. The light source part has a light emitting surface to emit light, and the light guide plate has a light incident surface to guide light. The container includes a bottom portion and sidewalls to receive the light source part and the light guide plate. The support member pushes the light guide plate toward the bottom portion to more closely maintain the position of the light incident surface with respect to the light emitting surface. This helps to prevent misalignment between the light exist surface and the light incident surface, maintaining the quantity of light supplied to the light guide plate.03-29-2012
20120314158LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a light transmitting substrate arranged on a parallax barrier liquid crystal panel; a light blocking frame formed on the light transmitting substrate;12-13-2012
20120314157OPTICAL FILM AND METHOD FOR MANUFACTURING THE SAME AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - An optical film is provided. The optical film includes a substrate, a reflective polarizer, and a first transmission medium. The reflective polarizer is disposed at the front surface of the substrate. The first transmission medium is disposed at the rear surface of the substrate and comprises a plurality of V-shaped prisms. The substrate, the reflective polarizer, and the first transmission medium are bounded to each other to form a unitary sheet.12-13-2012
20120257141LIQUID CRYSTAL DISPLAY DEVICE WITH TRANSMISSIVE AND REFLECTIVE UNITS - A liquid crystal display device with transmissive and reflective units is provided. At least a bare unit is formed in a predetermined portion of the first electrode. A reflective layer is disposed on the second electrode at a location corresponding to the bare unit. A liquid crystal display unit is defined in an extension direction between the second and first electrodes. The liquid crystal display unit has a portion corresponding to the bare unit and defined as a reflective unit and another portion that surrounds outside the reflective unit and defined as a transmissive unit. The liquid crystal layers show an effective electrical field that is weaker within the reflective unit than within the transmissive unit. The transmissive unit has a circumferential edge portion spaced away from the reflective unit and forming an additional reflective unit for the liquid crystal display unit.10-11-2012
20120188483DISPLAY SYSTEM AND BACKLIGHT SYSTEM - A display system includes: a liquid crystal display section displaying an image; a backlight source emitting source light; a photosensor section detecting a spectrum distribution of external light supplied from outside; and an external-light adjustment section adjusting the external light based on a detection result of the photosensor section. The backlight source supplies the emitted source light to the liquid crystal display section, and the external-light adjustment section supplies the adjusted external light to the liquid crystal display section.07-26-2012
20120188484Liquid Crystal Display Device - In a liquid crystal display device having a display region defined by an area where a TFT substrate and an opposing substrate are superposed on each other, the present invention realizes a structure for avoiding breakage of a mechanically weak terminal section where the TFT substrate only extends. The terminal section where the TFT substrate only extends is mounted on a resin mold. Inside the resin mold, partition walls are formed to accommodate LEDs. By providing two partition walls in a pair at least in a center portion, an external pressure exerted on the center portion of the resin mold is distributed between the two partition walls and a maximum stress exerted on the terminal section of the TFT substrate is reduced.07-26-2012
20130021556DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - According to one embodiment, a display device includes a main substrate, and a light control layer. The main substrate includes a main base having a main surface, a wavelength selective transmission layer provided on the main surface, and a circuit layer provided on the wavelength selective transmission layer. The light control layer is stacked with the main substrate and has variable optical characteristics. The wavelength selective transmission layer includes lower and upper reflecting layers, and first and second spacer layers. The upper reflecting layer is provided on the lower reflecting layer. The first spacer layer is provided between the lower and upper reflecting layers. The second spacer layer is provided between the lower and upper reflecting layers, and has a different thickness from the first spacer layer. The circuit layer includes first and second pixel electrodes, and first and second switching elements.01-24-2013
20120081633Liquid Crystal Display - A liquid crystal display includes a light guide plate that guides incident light, a first point light source assembly including first point light source elements that provide the light to the light guide plate and a first support substrate having the first point light source elements, the first point light source assembly being disposed at one side of the light guide plate, a second point light source assembly including second point light source elements that provide the light to the light guide plate and a second support substrate having the second point light source elements, the second point light source assembly being disposed at the other side of the light guide plate, a liquid crystal panel assembly disposed on the light guide plate that displays image information, and a lower container that accommodates the light guide plate, first and second point light source assemblies, and liquid crystal panel assembly.04-05-2012
20120081634LIGHTING DEVICE, DISPLAY DEVICE AND TELEVISION RECEIVER - An object of the present invention is to stably fix a light source board without using any screw. A backlight unit 04-05-2012
20120229729Display Device - A display device having a pair of substrates provided so as to face each other and sandwich liquid crystal, and polarizing plates which are pasted to surfaces of the above described pair of substrates on the sides opposite to the above described liquid crystal, where the above described polarizing plates are formed of at least an inside protective film, a polarizing film and an outside protective film, which are layered on the above described substrate side in this order, an expansion axis of the above described outside protective films forms an angle of 30° or more and 90° or less with an expansion axis of the above described polarizing films, and an expansion axis of the above described inside protective films forms an angle of 0° or more and 3° or less with an expansion axis of the above described polarizing films.09-13-2012
20120229728BACK LIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - There is provided a backlight unit including a cover bottom, at least one pairs of metal boards, each being installed on the cover bottom, having a body part and a bent part bent in one end region of the body part, and including an insulated wire on a surface thereof, at least one LED package mounted on the bent part; and a light guide plate installed at the cover bottom.09-13-2012
20100238377LIQUID CRYSTAL DISPLAY - Manufacture of a liquid crystal display is disclosed. The liquid crystal display includes a backlight unit, a backlight unit-side polarizing plate, and a liquid crystal cell held by two glass plates, the liquid crystal cell having an electrode, a liquid crystal layer, an alignment layer, and a color filter arranged between the glass plates. The liquid crystal display also includes a transparent front plate arranged at a side of the liquid crystal cell opposite to the backlight unit, a polarizing plate attached to the liquid crystal cell, and a transparent organic medium layer arranged between the front plate and the liquid crystal cell. Since the front plate is provided at the outermost surface of an image display portion, and the transparent organic medium is filled between the front plate and the liquid crystal module, it is possible to achieve an improvement in wear resistance and a reduction in reflectance.09-23-2010
20110122339ILLUMINATION DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE SAME - An illumination device that can reduce variations in brightness is provided. This illumination device (05-26-2011
20110037923LIGHT CONDENSING FILM, BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY - A light condensing film includes a reflective unit, a light-transmissive substrate, a plurality of lenses, and a plurality of refractive units. The reflective unit has a plurality of holes passing through the reflective unit, wherein the holes are distributed at the reflective unit. The light-transmissive substrate is disposed on the reflective unit. The lenses are disposed on the light-transmissive substrate. Moreover, the lenses respectively cover the holes of the reflective unit, and the light-transmissive substrate is disposed between the reflective unit and each of the lenses. The refractive units are disposed on the light-transmissive substrate and distributed among the lenses. The light-transmissive substrate is disposed between the reflective unit and each of the refractive units. Each of the refractive units has a light refraction plane surface. A backlight module and a liquid crystal display are also provided.02-17-2011
20110037922BACKLIGHTING SYSTEM INCLUDING A SPECULAR PARTIAL REFLECTOR AND A CIRCULAR-MODE REFLECTIVE POLARIZER - In a display backlight (02-17-2011
20100328576SURFACE LIGHT SOURCE ELEMENT AND IMAGE DISPLAY APPARATUS INCLUDING THE SAME - An object of the present invention is to provide a surface light source element configured to enhance projection light from an opening boundary of a supporting frame (12-30-2010
20100328577LIQUID CRYSTAL DISPLAY AND BACKLIGHT MODULE THEREOF - A backlight module includes a reflection sheet and a film structure disposed above the reflection sheet with a gap therebetween. A light source is disposed in the gap between the reflection sheet and the film structure so as to provide light. The film structure includes a first region for reflecting light incident thereupon from the light source and the reflection sheet, and a plurality of second regions for transmitting at least partially light incident thereupon from the light source and the reflection sheet.12-30-2010
20100328574LIGHT GUIDES - This invention relates to a light guide device and methods of manufacture. The light guide device is suitable for use in a range of applications, particularly in connection with the backlighting of displays, for example, liquid crystal displays. The light guide device comprises a combination of guide layers and one or more scattering structures in order to mask the appearance of one or more light sources.12-30-2010
20120320308TRANSFLECTIVE DISPLAYS - A transflective display includes a backlight and a display stack. The display stack includes a liquid crystal layer and an addressing layer operatively connected to the liquid crystal layer. A white electro-optic layer is positioned between the backlight and the display stack.12-20-2012
20100231824LIGHT-EMITTING-ELEMENT MOUNTING PACKAGE, LIGHT EMITTING DEVICE, BACKLIGHT, AND LIQUID CRYSTAL DISPLAY DEVICE - A small and thin, light-emitting-element mounting package is provided, in which light emitting elements may by independently controlled despite a side view type package, and a light emitting device using the package is provided. The light-emitting-element mounting package includes a lead frame. The lead frame has at least one set of a structure including a lower conductor layer, an insulating layer and an upper conductor layer in this order, and a mounting area exposed on a surface of the lower conductor layer.09-16-2010
20110216267AREA LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - An area light source device has a light guide plate having a light incident surface and a light exit surface, wherein the light guide plate spreads light introduced from the light incident surface to substantially the entire light exit surface, and exits the light to outside from the light exit surface, and a linear light source arranged facing the light incident surface of the light guide plate. A diffusion pattern diffuses and reflects the light in the light guide plate within a surface parallel to the light incident surface is formed on the light exit surface of the light guide plate. A deflection pattern reflects the light in the light guide plate within a plane perpendicular to the light incident surface and the light exit surface to deflect the light in a direction perpendicular to the light exit surface little by little, and diffuses and reflects the light in the light guide plate within a surface parallel to at least the light incident surface is formed on a surface on the side opposite to the light exit surface of the light guide plate.09-08-2011
20110234938DISPLAY APPARATUS AND BACKLIGHT UNIT - A display apparatus and a backlight unit for lighting the display apparatus are provided. The backlight unit includes a light guide plate, a plurality of light sources which project light onto a side surface of the light guide plate, and a light guide unit which is provided in each of at least two groups of light sources. The light guide unit is disposed toward the light guide plate in order to limit diffusion of a path of the light projected onto the side surface of the light guide plate. Accordingly, the light enters the light guide plate in a narrow path in a direction that is perpendicular to the side wall of the light guide plate, so that local dimming is achieved effectively.09-29-2011
20100231823OPTICAL SHEET, SURFACE LIGHT SOURCE DEVICE, AND DISPLAY DEVICE - An optical sheet (09-16-2010
20110255029LIQUID CRYSTAL DISPLAY DEVICE - In a liquid crystal display device, two light guide plates are arranged in parallel at a predetermined distance from each other to function as a backlight. The two light guide plates are provided between a liquid crystal display panel and a circuit substrate on which LEDs are mounted. Each of the light guide plates includes a plurality of divided light guide plates. Each of the divided light guide plates is divided into a plurality of light guide plate blocks by grooves. In opposed portions of the two light guide plates, side surfaces of the light guide plates are inclined. Then, a rough surface is formed on the respective inclined surfaces. Because of this shape, light interference easily occurs between the two light guide plates. As a result, it is possible to prevent lowering of brightness in the opposed portions of the two light guide plates.10-20-2011
20120086887Wire Grid Polarizer, Liquid Crystal Device Including The Wire Grid Polarizer, 3-D Stereoscopic Image Display Device Including The Wire Grid Polarizer, and Method of Manufacturing The Wire Grid Polarizer - The present invention relates to a wire grid polarizer capable of securing a high brightness and reducing the number of processes, a liquid crystal device including the wire grid polarizer, and a method of manufacturing the wire grid polarizer. According to the present invention, the wire grid polarizer, including first grids arranged in parallel at certain intervals over a substrate and second grids formed on the first grids, can be formed using only an imprint process, a deposition process, and a wet etch process. Accordingly, the number of processes and the process costs and time can be reduced, and high reliability can be guaranteed.04-12-2012
20120327331DISPLAY APPARATUS FOR CONTROLLING OPTICAL TRANSMISSIVITY - A display apparatus includes a transparent display device, a first polarizer on a first surface of the transparent display device, a first retarder between the first polarizer and the first surface of the transparent display device, a second polarizer on a second surface of the transparent display device opposite the first surface, and a conversion retarder between the second polarizer and the second surface of the transparent display device, the conversion retarder being configured to delay a wavelength of the external light within a range from a first phase to a second phase and to transmit the wavelength-delayed light therethrough when power is supplied to the conversion retarder.12-27-2012
20120092592BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME - A backlight unit has a light source area. The width of the light source area in a first direction is shorter than the width of a liquid crystal panel in the first direction. A plurality of LED modules (04-19-2012
20120092591LIGHT GUIDE PLATE, BACKLIGHT AND LCD DEVICE - A light guide plate comprising an incidence surface, a lower surface, an upper surface and an opposite surface which is opposite to the incidence surface, wherein the length of the upper surface is less than the length of the lower surface, and an acute angle is formed between the opposite surface and the direction of elongation line of the upper surface.04-19-2012
20120092590BACKLIGHT UNIT AND DISPLAY APPARATUS EMPLOYING THE SAME - A backlight unit including a light source; and a liquid crystal panel. The liquid crystal panel includes a first substrate which guides light incident from the light source disposed at at least one side of the first substrate; a transparent electrode disposed on a surface of the first substrate; a second substrate; a reflective electrode disposed on a surface of the second substrate facing the transparent electrode; a liquid crystal layer disposed between the transparent electrode and the reflective electrodes; and a transparent film disposed between the transparent electrode and the reflective electrodes, the transparent film including a surface contacting the liquid crystal layer and patterned with grooves or ribs , and having a refractive index corresponding to at least one of an ordinary refractive index and an extraordinary refractive index of liquid crystals of the liquid crystal layer.04-19-2012
20120092589BACK LIGHT MODULE AND LIQUID CRYSTAL DISPLAY DEVICE - A back light module comprising: a back light source; a guiding plate; and a PBS and an optical converter which are disposed between the back light source and the guiding plate. The PBS is adapted to split light emitted from the back light source into first polarized light and second polarized light with polarization directions perpendicular to each other, and the optical converter is adapted to convert the polarization direction of the second polarized light to be in the polarization direction of the first polarized light, and reflect the first polarized light or the converted second polarized light into the guiding plate. A liquid crystal display is also provided.04-19-2012
20120287374IMAGE DISPLAY APPARATUS - An image display apparatus includes an image forming device having pixels; a collimating optical system collimating light from the image forming device; and an optical device receiving, guiding, and outputting the collimated light as directional rays in different directions. The optical device includes a light-guiding plate; a first optical member reflecting or diffracting the light so as to totally reflect the light inside the light-guiding plate; and a second optical member causing the propagated light to emerge from the light-guiding plate. When a light ray emitted from a pixel located farthest from the center of the image forming device and a light ray emitted from a pixel located at the center of the image forming device pass through a front nodal point of the collimating optical system and are respectively incident on the collimating optical system and the light-guiding plate at angles θ11-15-2012
20120287373LIGHT SOURCE DEVICE FOR BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY AND METHOD FOR MANUFACTURING THE SAME - A light source device for a backlight module, including a heat sink; and a light bar including a plurality of light emitting diodes (LEDs) and a substrate on which the LEDs are electrically provided. The substrate is bonded to the heat sink via a bonding portion through which heat generated by LEDs is transferred to the heat sink. Also, a method for manufacturing a light source device, including providing a light bar having a plurality of LEDs thereon; providing a heat sink; and bonding a substrate of the light bar to an upper surface of the heat sink such that they are integrated firmly into one piece. In this way, the heat dissipation effect can be improved by means of preventing the substrate of the light bar from deforming and further separating from the heat sink.11-15-2012
20120140147DISPLAY PANEL, DISPLAY SYSTEM, PORTABLE TERMINAL AND ELECTRONIC DEVICE - To provide a display panel that can achieve a transparent state having high panel transmittance and that can carry out a display in which a figure looks as if it has popped up in the air, a display panel disclosed includes a PDLC panel (06-07-2012
20120140146LIQUID CRYSTAL DISPLAY DEVICE - Provided is a liquid crystal display device (06-07-2012
20120140144LIQUID CRYSTAL DISPLAY APPARATUS - A liquid crystal display apparatus includes a backlight unit in which a diffusing member and an adjusting member are disposed on exit surfaces of light guide plates near a liquid crystal panel. The diffusing member diffuses light from the exit surfaces and the adjusting member adjusts the distribution of light from the exit surfaces. The light guide plate is as large as one of four equal parts of the liquid crystal panel as divided in vertical and horizontal directions.06-07-2012
20130010228BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY - The patent application relates to a backlight module and a liquid crystal display. Such backlight module includes a front casing, a back casing and a light source. The front casing includes a first clamping part and a second clamping part externally and vertically extended from the first clamping part. The second clamping part is fixedly connected with the back casing. The light source is positioned between the first clamping part and the back casing, and the back side of the light source is contacted with the inner side face of the second clamping part. The inside of the second clamping part corresponding to the back of the light source is provided with a fin heat-dissipation structure. The patent application directly fixes an LED light source on the front casing of the all-in-one machine of the liquid crystal display, which simplifies the heat transmission way, reduces the thermal contact resistance and increases the effective heat-dissipation area of the front casing Thereby, the heat caused by the LED light source can be synchronously transmitted to the front casing and to the back casing. Besides, the utility model installs a fin heat-dissipation structure on the front casing corresponding to the back of the LED light source, which can improve the heat-dissipation efficiency to a large extent. Moreover, the utility model installs a honeycomb-structured buffer component on the front casing where the liquid crystal panel is clamped for enhancing the buffering performance of the liquid crystal panel.01-10-2013
20130016309Backlight module and liquid crystal display using the sameAANM Wang; LifengAACI ShenzhenAACO CNAAGP Wang; Lifeng Shenzhen CNAANM Yu; YajunAACI ShenzhenAACO CNAAGP Yu; Yajun Shenzhen CN - The utility model discloses a backlight module and a liquid crystal display (LCD) using the backlight module. The backlight module comprises a light guide plate and a clamp for fixing the light guide plate. The light guide plate is formed by splicing of more than two sub-light guide plates. The backlight module used for the LCD of the utility model is characterized in that sub-light guide plates of modular design are used, and the light guide plate applicable to any sizes of the LCD can be formed by splicing of the sub-light guide plates. The backlight module has advantages of convenient processing and assembly, productivity improvement, material waste reduction and backlight module cost decrease.01-17-2013
20110149204REFLECTING PLATE FOR PREVENTING LEAKAGE OF LIGHT, BACKLIGHT AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME - Disclosed are a reflecting plate capable of preventing inferiority of an image quality due to leakage of light emitted from LEDs to outside, a backlight and an LCD device having the same. An extension portion extending towards an LED substrate is formed on a side surface of the reflecting plate, the side surface where the LEDs are arranged. This may shield light emitted from the LEDs and leaked to a space between the LED substrate and the reflecting plate.06-23-2011
20110149203BACKLIGHT UNIT AND DISPLAY MODULE APPLYING THE SAME - A backlight unit and a display module employing the backlight unit. The backlight unit of a display apparatus displaying an image, the backlight unit including: a light guide panel guiding light to the display apparatus; a circuit board having a plurality of light source devices mounted thereon and which is formed at a side of the light guide panel; a light leakage preventing portion including: an interval removing portion formed in the light guide panel, and an adhesive portion attached to the interval removing portion and formed on the circuit board, wherein the light leakage preventing portion is formed in a portion of the circuit board attached to the light guide panel. The light leakage preventing portion is formed in a side portion of a light guide panel. Thus, even when an adhesive portion is not formed in front of a light source device of a circuit board, a height difference between a portion of the circuit board where the adhesive portion is formed and a portion of the circuit board where the adhesive portion is not formed can be compensated, thereby improving brightness of a backlight unit and preventing light from leaking.06-23-2011
20130021557LIQUID CRYSTAL DISPLAY DEVICE, ELECTRONIC APPARATUS, AND ILLUMINATION DEVICE - Provided is a liquid crystal display device including: an illumination device, and a liquid crystal panel that is arranged so as to be stacked on a light-emitting surface side of the illumination device, wherein the illumination device includes a light guide plate in which a side end surface extending in a first direction is a light incident portion, a plurality of light-emitting elements that align along a first direction and, each of the plurality of light-emitting elements faces a light-irradiating surface in the light incident portion, and a plurality of groove rows that are formed of a plurality of grooves which are linearly arranged in a second direction on an opposite surface facing the light-emitting surface of the light guide plate, the second direction intersects the first direction in an in-plane direction of the light-emitting surface, and that are arranged in parallel in the first direction.01-24-2013
20120242932LIQUID CRYSTAL DISPLAY - A liquid crystal display includes a first flat glass substrate, an opposite second flat glass substrate, a liquid crystal layer sandwiched therebetween, a backlight module disposed adjacent to the first flat glass substrate, a color filter disposed adjacent to the second flat glass substrate, a bandpass filter member disposed on the color filter. The bandpass filter member is configured for allowing light of a given spectrum emitted from the backlight module to pass therethrough and blocking light that is not in the given spectrum from passing therethrough, and a touch panel disposed adjacent to the bandpass filter member.09-27-2012
20120242931Three-Dimensional Stereoscopic Display Apparatus - A display apparatus includes a display panel displaying an image. A backlight assembly is disposed under the display panel. A phase delaying plate is disposed on the display panel. The backlight assembly emits a collimated light in a direction substantially perpendicular to the display panel. The phase delaying plate includes a phase delaying layer. The phase delaying layer includes a first pattern delaying a phase of the light passing the display panel by a first phase and a second pattern delaying the phase of the light passing the display panel by a second phase. The second phase is different from the first phase. Accordingly, a spatial crosstalk may be minimized and the optimal viewing angle of the display apparatus may be increased.09-27-2012
20080231771LIGHT-EMITTING DIODE AND METHOD FOR MANUFACTURING THE SAME - An LED which includes a substrate, at least one light-emitting element mounted on, and electrically connected to, the substrate, and a sealing member mounted to the substrate so as to seal the light-emitting element. The sealing member contains an inorganic material having a high contrast ratio and a high reflectivity in an amount which accords with the luminance of the light-emitting element.09-25-2008
20080225201SURFACE EMITTING DEVICE, LIQUID CRYSTAL DISPLAY, AND OPTICAL SHEET COMBINATION - A surface emitting device includes a light emitter, a polarizer having a transmission axis along which light emerging from the light emitter is transmitted, and an optical sheet combination disposed between the light emitter and the polarizer and composed of a plurality of optical sheets. Each of the plurality of optical sheets includes an emergent surface for causing the emergent light to emerge, a spatial structure continuously arrayed on the emergent surface, a first optical axis parallel to an extension direction of the spatial structure and having a first refractive index, and a second optical axis parallel to an array direction of the spatial structure and having a second refractive index different from the first refractive index, wherein the first or second optical axis of a smaller one of the first and second refractive indices extends almost parallel to the transmission axis of the polarizer.09-18-2008
20080225200OPTICAL MEMBER, SURFACE LIGHT UNIT, AND LIQUID CRYSTAL DISPLAY - An optical member that will be incorporated in a surface light source unit and that is scarcely deformed while it is used as a component of the surface light source unit. The optical member comprises optical sheets layered on each other. The optical sheets at least includes: an outermost optical sheet on the light-entrance side, which is situated outermost on the light-entrance side; and a high-rigidity optical sheet situated on the light-exit side of the outermost optical sheet on the light-entrance side, a rigidity of the high-rigidity optical sheet being higher than a rigidity of the outermost optical sheet on the light-entrance side.09-18-2008
20080218658LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY - A light source device capable of realizing a color display having the high light-use efficiency with a simple configuration is provided. Provided is a light source device including a prism sheet disposed to face a plane to be irradiated, and to bend an incident light to a direction substantially orthogonal to an incident direction; a light source section separately emitting a plurality of color lights having wavelength regions different from each other so that each of the color lights enters into the prism sheet at a small angle with respect to an extending direction of the prism sheet; and a light source drive means for driving the light source section so that each of the color lights periodically scans the plane to be irradiated so as to perform the line-sequential irradiation operation.09-11-2008
20080218656LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes an upper panel comprising an alignment layer, the alignment layer attached on an inner surface of the upper panel and a polarizer attached on an outer surface of the upper panel, a lower panel including a first surface and an opposite second surface, the first surface facing the inner surface of the upper panel, and the lower panel comprising a plurality of metallic lines disposed on the first surface of the lower panel, the plurality of metallic lines disposed substantially parallel to each other and which extend in a first direction and a phase retardation layer, liquid crystal molecules injected between the upper and lower panels and a backlight unit comprising a light source which emits light toward the lower panel and a reflector which reflects light reflected from the lower panel, wherein the phase retardation layer is disposed between the plurality of metallic lines and the second surface of the lower panel.09-11-2008
20100085507DISPLAY APPARATUS AND METHOD OF FABRICATING THE SAME - Disclosed is a display apparatus according to one or more embodiments. The display apparatus according to an embodiment includes a display panel, an optical sheet unit having a convex print pattern to maintain an interval with the display panel, and a light source supplying light to the display panel through the optical sheet unit. Each pattern of the optical sheet may be disposed on a non-display unit of the optical sheet unit.04-08-2010
20130114020LIQUID CRYSTAL PANEL ASSEMBLY AND LIQUID CRYSTAL DISPLAY APPARATUS - Provided are a liquid crystal panel assembly having no light guide plate (LGP) and a liquid crystal display apparatus. The liquid crystal panel assembly includes: a light source which generates light; a liquid crystal panel which displays the light generated from the light source as an image; at least one optical film disposed at a rear of the liquid crystal panel; a reflector sheet which is disposed at a rear of the optical film and reflects the light from the light source toward the optical film; a reflector which concentrates the light from the light source; an upper chassis and a lower chassis which house the light source, the liquid crystal panel, the optical film, the reflector sheet, and the reflector therebetween; and a middle chassis installed between the upper chassis and the lower chassis, wherein the reflector and the middle chassis form a single body.05-09-2013
20130093979Back Light Module and Liquid Crystal Display Device - The present invention discloses a back light module and a liquid crystal display (LCD) device. A back light module comprises a light guide plate; both sides of the light guide plate are respectively provided with multiple notches; the back light module is provided with riveted nut studs in the notches; and buffer parts are arranged between the riveted nut studs and the notches. In the present invention, because buffer material such as silicone, rubber and the like is arranged between each notch and each riveted nut stud of light guide plate, the buffer material can provide effective buffer function when the light guide plat is affected by impact force to avoid damage caused by direct impact between the light guide plate and the riveted nut studs. Thus, low cost is achieved because of simple process and economic material. In addition, the tight contact of the light guide plate and the riveted nut stud is kept by the buffer part, and the shake of the light guide plate is avoided.04-18-2013
20130100379SEMITRANSPARENT ELECTRONIC DEVICE - A semitransparent electronic device includes a glassy sheath having an internal cavity and a display unit disposed in the internal cavity. The display unit has an inner display area and an outer display area circumscribing the inner display area. A transparent display device included in the display unit provides at least the outer display area.04-25-2013
20110267561DISPLAY DEVICE - A liquid crystal display device (display device) (11-03-2011
20130120688COLOR REGULATING DEVICE FOR ILLUMINATION AND APPARATUS USING THE SAME, AND METHOD OF REGULATING COLOR - There is provided a color-regulating device for illumination. The color-regulating device includes a light-valving structure for adjusting a flux ratio of outgoing light through the light-valving structure to incident light entering the light-valving structure, and a color-adjusting structure having a wavelength-band converting element for changing incident light with a wavelength band into outgoing light with a different wavelength band through the element. Wherein, the light-valving structure and the color-adjusting structure do not overlap on the traveling path of the light emitted from the light source. Mixing the outgoing light of the light source passing through the light-valving structure with the outgoing light of the light source passing through and at least a portion thereof converted by the color-adjusting structure with a different wavelength band yields a color-adjusted light of different color temperature from that of the light source.05-16-2013
20130141667LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a reflection plate; a light guide plate over the reflection plate; a light-emitting diode (LED) assembly including LEDs arranged along a side surface of the light guide plate, an LED flexible printed circuit board (FPCB) having LEDs mounted on its surface. The FPCB includes a bar and a leg portion extending from the body. The bar and the leg portion are integrated into a single body. The leg portion extends from the bar to a circuit for controlling the LEDs. A metallic bar is attached to bar of the LED FPCB to provide rigidity to the FPCB as well as cool the FPCB.06-06-2013
20130141666Back Light Module And Liquid Crystal Display Thereof - The present invention discloses a back light module and a liquid crystal display (LCD) thereof. The back light module comprises a light guide plate, an optical sheet laid on the light transmission surface of the light guide plate, wherein the edge of the optical sheet is fixed to the light guide plate by a plurality of positioning structures. With application of the positioning structures, because the expansion coefficient of the optical sheet is not nearly to that of the frame but is close to the thermal expansion rate of the light guide plate, after the optical sheet is fixed to the light guide plate, the light guide plate is expanded along with the expansion of the optical sheet when subject to heating, and shrunk along with the shrinking of the optical sheet when the temperature drops. Thus, the optical sheet is not easy to warp due to the minimum performance change of the optical sheet and the light guide plate, and the temperature environment is also very similar because the optical sheet is near to the light guide plate. Therefore, as compared with the frame, the temperature of the optical sheet is more similar to that of the light guide plate, and the thermal expansion rate of the optical sheet is also similar to that of the light guide plate. Thereby, the warping of the optical sheet is further decreased.06-06-2013
20130141668DISPLAY DEVICE - A display device with low power consumption having increased added value is provided.06-06-2013
20100277670BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE - Disclosed is a backlight unit (11-04-2010
20100277669ILLUMINATING DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - Provided is an illuminating device (11-04-2010
20110273642BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY USING THE SAME - A backlight unit and a liquid crystal display using the same are disclosed. The backlight unit includes a plurality of light sources generating light, a light source printed circuit board (PCB) on which the plurality of light sources are mounted, a protrusion that protrudes from one side of the light source PCB and is fastened to a connector used to supply a driving power to the plurality of light sources, and a bottom cover that receives the light source PCB and has a through hole through which the protrusion passes. The connector is exposed to the outside through the through hole.11-10-2011
20080198295BACKLIGHT DEVICE AND TRANSMISSION TYPE DISPLAY APPARATUS - A backlight device includes: a first prism sheet which has a triangular prism row on a major surface thereof; a first light source which emits light having directivity in a slanted direction with respect to a normal line direction of a light outgoing surface of the first prism sheet in opposite side to the triangular prism row side so as to enter into the triangular prism row of the first prism sheet; and a second light source which emits light having directivity in the normal line direction of the light outgoing surface of the first prism sheet so as to enter into the triangular prism row of the first prism sheet.08-21-2008
20080198294LIQUID CRYSTAL DISPLAY DEVICE SWITCHABLE BETWEEN REFLECTIVE MODE AND TRANSMISSIVE MODE BY EMPLOYING ACTIVE REFLECTIVE POLARIZER - A liquid crystal display (LCD) device that is switchable between a transmissive mode and a reflective mode is provided. The LCD device includes a backlight; an active reflective polarizer which operates as a reflector that reflects incident light or as a reflective polarizer that reflects light of a first polarization and transmits light of a second polarization perpendicular to the first polarization, based on whether a magnetic field is applied; and a liquid crystal panel that modulates incident light to form images. The liquid crystal panel includes a liquid crystal layer, a first polarizer that is disposed on a rear surface of the liquid crystal layer and faces the active reflective polarizer, and a second polarizer that is disposed on a front surface of the liquid crystal layer.08-21-2008
20080198293Illumination Device For a Display, and Method of Manufacturing the Same - An illumination device (08-21-2008
20110228195LIQUID CRYSTAL DISPLAY BACKLIGHT AND LIQUID CRYSTAL DISPLAY DEVICE USING SAME - An LCD backlight (09-22-2011
20130148054LIGHT GUIDE PLATE AS WELL AS BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE SAME - A light guide plate as well as a backlight module and a liquid crystal display device which include the light guide plate. The light guide plate comprises a light entrance surface, a light emitting surface connected with the light entrance surface, and a bottom surface disposed oppositely to the light emitting surface. A plurality of V-shaped groove microstructures is disposed on the light entrance surface, a range of a top angle of the V-shaped groove microstructure is from 100 to 130 degrees. Provided technology is easy to be embodied in the industry and a backlight effect with increased uniformity of emitting light is achieved.06-13-2013
20130148055REFLECTIVE DISPLAY - A reflective display includes a display panel, a first color filter layer, a second color filter layer, a light guide plate, and a light source. The first color filter layer is disposed on the display panel; the second color filter layer is disposed on the display panel and arranged with the first color filter layer in parallel. The light source is disposed beside the side surface of the light guide plate and is capable of emitting light, in which and the light is reflected by the internal side of the first surface of the light guide plate, such that the light enters the first color filter layer, and the light is reflected by the display panel and emitted from the first color filter layer, in which optical path of the light passes through the first color filter layer and does not pass through the second color filter layer.06-13-2013
20130148056LIQUID CRYSTAL DISPLAY DEVICE - Provided is a liquid crystal display device that can reduce costs while preventing moving image blurring. The device includes a liquid crystal panel and a backlight device. The backlight device includes a rectangular light guide plate 06-13-2013
20110234939LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device with improved thermal exhaustion property, enabling a thickness reduction, includes a backlight including light sources illuminating a liquid crystal panel from a back face, and a chassis holding the backlight. The backlight includes: plural light-source units each including a combination of a LED emitting light in a direction parallel to a display surface of the panel, a wiring board mounted with the LED, and a light-guide plate having translucency for guiding the LED light toward the panel; a metal chassis supporting the light-source units; and a thermally conductive sheet tightly inserted between the metal chassis and a reverse side of the wiring board opposite to the LED-mounted face. A wiring pattern is formed on the reverse side. The metal chassis and the wiring pattern located within a predetermined distance of the LED outer periphery are connected through the thermally conductive sheet.09-29-2011
20110255030Light Emitting Diode Module - Various embodiments of a lighting module are described. In one aspect, a lighting module comprises a metal support, a circuit board, and a plurality of light emitting diodes. The metal support has a recess, sidewalls, and a plurality of holes on the sidewalls. The circuit board is fastened on a bottom portion of the recess of the metal support and has two long sides, two short sides, and a respective plurality of flanges on each of the two long sides. The flanges are inserted into the holes of the metal support to compact the circuit board and the metal support. The light emitting diodes are disposed on the circuit board.10-20-2011
20120274876DISPLAY ASSEMBLIES AND METHODS OF DISPLAY - Applications of embodiments include the use of transmissive or transflective display technologies in extreme temperature environments. Specifically, display assemblies and methods using heating and/or active cooling are described. For example, such applications may include the use of display panels, such as LCD panels, having a diagonal dimension of 17 inches or more.11-01-2012
20120274875BACKLIGHT AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - In a backlight using an LED, area control is performed such that the backlight is lit only in the bright area of the screen and the backlight is not lit in the dark area. The temperature change in the light emission efficiency of the LED is large. The temperature of the lit LED is high in area control, so that when a completely gray screen is displayed after the area control, the light emission efficiency of the LED decreases in the previously illuminated area, resulting in the occurrence of uneven brightness. The present invention prevents the uneven brightness of the screen in area control, by reducing the temperature change in the light emission efficiency of the LED to 5% or less, and more preferably 3% or less, in a temperature range of 50° C. to 90° C.11-01-2012
20120274874Backlight Module and Liquid Crystal Display Device - A backlight module is provided in the present disclosure. The backlight module comprises a light guide panel and at least one point light source adapted to provide light rays for the light guide panel. The light guide panel comprises a primary light guide region and a secondary light guide region with respect to the point light source, and a plurality of scattering microstructures are disposed in the secondary light guide region to scatter the light rays entering the secondary light guide region. The backlight module features uniform intensity and can significantly reduce or even eliminate occurrence of the so-called hotspot phenomenon. A liquid crystal display (LCD) device using the backlight module is also provided.11-01-2012
20120274873OPTICAL FILM FOR INCREASING THE VIEWING ANGLE OF LIQUID CRYSTAL DISPLAY DEVICES - Techniques and devices are disclosed to enhance or increase the viewing angle of liquid crystal display (LCD) device through the use of one or more types of optical films. Such optical films can include arrays of prism structures and/or diffractive elements that redirect light that has passed through an LCD panel. The prism structures and/or diffractive elements can be spaced on an optical film to enable at least a portion of the light travelling through the LCD panel to pass through the optical film without being redirected. Various types of prism structures and/or diffractive elements can be used, and they can be configured on the optical film differently to enable different functionality.11-01-2012
20100309407PLANAR LIGHT-EMITTING DEVICE AND LIQUID CRYSTAL DISPLAY APPARATUS - A planar light-emitting device having a plurality of light units each including a light source and a lightguide member that guides light received from the light source through an end surface serving as a light-entrance surface disposed to face the light source and that emits the light from an upper surface and two mutually opposing side surfaces after changing the optical path of the light, and further has a reflecting member having a light-reflecting surface on which the light units are disposed. The lightguide member has an elongated shape. The light units are disposed in linear arrays each in which the light units are linearly disposed in series in the elongated direction of the lightguide member. The linear arrays extend in the elongated direction of the respective lightguide members. The linear arrays extend in parallel with each other and are spaced from each other in a width direction perpendicularly intersecting the elongated direction of the lightguide members.12-09-2010
20120281165LIQUID CRYSTAL DISPLAY AND LED MODULE THEREOF - A liquid crystal display (LCD) includes a cover assembly; a liquid crystal panel; a light guide plate configured to guide light to the liquid crystal panel; a printed circuit board (PCB) to which the light guide plate is mounted; and a light emitting diode (LED) package which is mounted on the PCB and emits light to a lateral side of the light guide plate. The PCB includes a base substrate; a connecting hole which is formed in the base substrate to couple the base substrate to the cover assembly with a connecting member; an insulating layer which is coated on the base substrate while avoiding a head part of the connecting member; and a spacer tape which is provided on an upper side of the insulating layer so that the light guide plate is evenly mounted on the PCB.11-08-2012
20120281164LIGHT GUIDE PLATE POSITIONING STRUCTURE OF LIQUID CRYSTAL PANEL - A light guide plate (LGP) positioning structure of a liquid crystal panel is provided. The liquid crystal panel includes a frame for a LGP to be placed in, and a light emitting module is disposed on the frame and is adjacent to the light guide plate, and has a plurality of light emitting units arranged with gaps. The LGP positioning structure includes a plurality of first, second positioning blocks, and positioning portions. Each first positioning block is disposed on the frame and is corresponds to a corner of the LGP. The positioning portions are formed at corners of the LGP and used to be held against the corresponding first positioning blocks. The second positioning blocks are disposed on the frame, located between the gaps, and used to resist a side edge of the LGP. A space is formed between the light emitting units and the LGP.11-08-2012
20120281163OPTICAL FILM AND LIQUID CRYSTAL DISPLAY DEVICE COMPRISING THE SAME - An optical film is provided. According to an embodiment, the optical film may include a base material layer, a first layer disposed on the base material layer and having a first oxide and at least one bead, and a second layer disposed on the first layer and having a second oxide and a mineral pigment.11-08-2012
20110304795BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS INCLUDING THE SAME - A backlight assembly includes: a light guide plate (“LGP”); and a light source module which emits white light to a side surface of the LGP, where the light source module includes: a plurality of point light sources which emits the white light; a printed circuit board (“PCB”) including a mounting portion, on which the plurality of point light sources are disposed; and a light source housing portion including a base portion which supports the PCB, an extension portion which extends from a surface of the base portion in a direction perpendicular to the surface of the base portion and is disposed along the mounting portion, and a main stopper disposed adjacent to an end of the PCB, where the main stopper prevents the movement of the PCB within the light source module.12-15-2011
20110310329POLARIZATION DEVICE, METHOD OF MANUFACTURING THE SAME, LIQUID CRYSTAL DEVICE, AND ELECTRONIC APPARATUS - The wire grid type polarization device includes a substrate, and a metal layer formed on one face of the substrate in a substantially stripe shape in a plan view, a first dielectric layer provided on two side faces opposite to each other among a plurality of side faces of the metal layer and in a top part of the metal layer, and a second dielectric layer provided on the first dielectric layer. A substrate side end portion of the second dielectric layer is located between the one surface of the substrate and the top part of the first metal layer.12-22-2011
20110310328POLARIZATION DEVICE, METHOD OF MANUFACTURING THE SAME, LIQUID CRYSTAL DEVICE, AND ELECTRONIC APPARATUS - There is provided a method of manufacturing a polarization device having a plurality of metal layers provided on a substrate in a stripe shape in a plan view, and a dielectric layer provided on a surface of one metal layer among the plurality of metal layers, includes forming the dielectric layer by oxidizing a surface of one of the plurality of meal layers in an oxide gas atmosphere.12-22-2011
20130188114DIRECT TYPE BACKLIGHT DEVICE AND LIQUID CRYSTAL DISPLAY USING THE SAME - A direct type LED backlight device improves color unevenness on the periphery of the display region without increase of the driver and its control circuit and contour change of a liquid crystal panel. This device includes a bottom wall, a set of optical members arranged opposite to an inner surface of the bottom wall, a side wall maintaining the bottom wall and the set of optical members at a predetermined distance, and LEDs fixed to the inner surface of the bottom wall. The side wall has a protrusion protruding toward a central portion of a space formed by the bottom wall, the side wall, and the set of optical members. At least part of emission surfaces of the LEDs arranged at outermost positions are overlapped with the protrusion and located at such positions as to be invisible when seen along a direction perpendicular to the set of optical members.07-25-2013
20120019741LIGHT EMITTING DEVICE PACKAGE AND IMAGE DISPLAY DEVICE COMPRISING THE SAME - Disclosed is a light emitting device package including a package body provided with a first lead frame and a second lead frame, a light emitting diode electrically connected to the first lead frame and the second lead frame, a first light transfer layer surrounding the light emitting diode, the first light transfer layer made of oxide, and a second light transfer layer disposed on the first light transfer layer to change a wavelength of light transferred from the first light transfer layer, wherein the interface between the first light transfer layer and the second light transfer layer has a roughness.01-26-2012
20120026425LIQUID CRYSTAL DISPLAY APPARATUS - Provided is a liquid crystal display device wherein transmitted illumination is uniformly performed to a liquid crystal display panel and display light (L) has a desired chromaticity. An illuminating means (02-02-2012
20120033156Liquid Crystal Display Device - A liquid crystal display device which includes a pair of substrates, a pixel including a liquid crystal element between the pair of substrates, a lighting portion provided on the outer side of the pair of substrates, a first polarizing member between the pair of substrates and the lighting portion, a reflective member provided outside the lightning portion, a second polarizing member on a side opposite to the first polarizing member with the pair of substrates provided therebetween, and a first optical sensor and a second optical sensor. The first optical sensor has a function of detecting illuminance of external light, and the second optical sensor has a function of detecting a color tone of polarized light emitted from the pixel portion. The lightning portion can emits light having a predetermined wavelength depending on the color tone of the pixel portion which is detected by the second optical sensor.02-09-2012
20120086888LIGHTING DEVICE, DISPLAY DEVICE AND TELEVISION RECEIVER - The present invention provides a lighting device configured to produce light with a substantially averaged overall color. The lighting device 04-12-2012

Patent applications in class With integral optical element for guiding or distributing light from the light source

Patent applications in all subclasses With integral optical element for guiding or distributing light from the light source