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LCD backlight

Subclass of:

362 - Illumination

362970100 - DISPLAY BACKLIGHT

Patent class list (only not empty are listed)

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Class / Patent application numberDescriptionNumber of patent applications / Date published
362970300 Having solid-state light source 65
Entries
DocumentTitleDate
20090196019Backlight module with detachable back slice and liquid crystal display with same - A direct backlight module comprises a first frame, at least two light sources, and a back board. The back board is fixed to the first frame and comprises at least two back slices connected to each other. Each of the at least back slices slips out from the back board.08-06-2009
20090122520LIQUID CRYSTAL DISPLAY DEVICE, LIGHT SOURCE HOLDER, LIGHT SOURCE-HOUSING MEMBER, AND BACKLIGHT - A liquid crystal display device, a light source holder, a light source housing member, and a backlight, permit light sources to be easily exchanged and effectively prevent generation of defects such as deformation of light source holding members and an inability of the members to be inserted and pulled out. The backlight includes a light source holder and a light source housing member, the light source housing member housing the light source holder, wherein at least one of the light source holder and the light source housing member has a projection portion, and the light source holder and the light source housing member are in contact with each other at the projection portion.05-14-2009
20100073916BACKLIGHT MODULE FOR A LIQUID CRYSTAL DISPLAY - The present invention discloses a fluorescent lamp assembly for a liquid crystal display. The assembly comprises a bracket having a fluorescent lamp fixing channel and a wire fixing channel; a fluorescent lamp positioned inside the fluorescent lamp fixing channel; a conductive elastic member positioned inside the bracket with one end thereof connected to the fluorescent lamp through the fluorescent lamp fixing channel; and wire positioned in the wire fixing channel. One end of the wire is connected to the other end of the conductive elastic member.03-25-2010
20100073915LAMP CASE, AND BACKLIGHT DEVICE AND FLAT DISPLAY DEVICE USING IT - First protruded strips (03-25-2010
20100073914LIGHT SOURCE MODULE AND DISPLAY APPARATUS HAVING THE SAME - The light sourcing module of a backlit LCD display apparatus includes a light sources and power sources supporting substrate. The supporting substrate supports plural light sources on a top major surface thereof and at least one heat generating and power supplying circuit element that protrudes from a bottom major surface of the supporting substrate. The supporting substrate integrally includes wiring that couples driving power output by power supplying circuit element to the plural light sources. A rear receiving frame includes an integral heat-sinking and dissipating recess or groove that is positioned and dimensioned to receive the power supplying circuit element when the supporting substrate is received by the rear receiving frame. The integral heat-sinking and dissipating recess or groove removes heat from the heat generating and power supplying circuit element so that such heat does not adversely affect performance of the light sources.03-25-2010
20100073913Light guide plate, backlight module and liquid crystal display - A light guide plate, a backlight module and a liquid crystal display are provided. The light guide plate has a first surface at least having one first structure and one second structure formed thereon. The first structure and the second structure are adjacent arranged and are mirror reflection with each other. Each of the first structure and the second structure has a first protrusion having a cross section of eccentric triangle.03-25-2010
20130077288LIGHT SOURCE APPARATUS - A light source apparatus having a plurality of light-emitting members, according to the present invention, comprises: a light source substrate provided with a plurality of light source groups each of which is configured by first to fourth light-emitting members; and a reflective sheet disposed on the light source substrate and having a hole exposing the light source group, wherein, on a surface parallel to the light source substrate, a circumscribed quadrangle of each of the first to fourth light-emitting members has a substantially rectangular shape, and a shorter side of one of two adjacent light-emitting members is positioned on substantially the same straight line as a longer side of the other one of the two adjacent light-emitting members.03-28-2013
20130083513LIGHT SOURCE UNIT, BACKLIGHT UNIT, AND FLAT PANEL DISPLAY DEVICE - A light source unit (04-04-2013
20120262908LAMP HOLDING TOOL, LIGHTING DEVICE FOR DISPLAY DEVICE USING THE SAME, DISPLAY DEVICE USING THE SAME AND LIQUID CRYSTAL DISPLAY DEVICE USING LIGHTING DEVICE FOR DISPLAY DEVICE - A lamp holding apparatus includes a mounting plate having a pair of locking portions protruding to a base side. The locking portion is inserted into a mounting hole provided at the base and capable of being locked to a peripheral edge on its back side. Abutting portions, which protrude to the base side and abut the base at the time of mounting, are provided on a bottom surface of the mounting plate that is an opposing surface to the base. The abutting portions are provided at three spots with one of the locking portions interposed therebetween. At the time of mounting, the abutting portions abut the base, and the mounting plate is elastically deformed to be warped, whereby the locking surface of the locking portion is kept locked to a peripheral edge of a back side of the mounting hole by its elastic force.10-18-2012
20090154140ILLUMINATING APPARATUS FOR DISPLAYING APPARATUS AND DISPLAYING APPARATUS - An illuminating apparatus for a displaying apparatus has a clearance C provided between an end edge of a reflective sheet and a base part of a rubber holder which is located on the outer edge of the reflective sheet and closely fixed to the bottom plate part. In addition, the clearance C is set between the hole edge of the mounting hole and the supporting base part of the lamp clip, around the mounting hole. Therefore, expansion deformation of the reflective sheet in the sheet surface direction due to thermal expansion and variation of dimensions due to mold tolerance can be absorbed by the clearances C. As a result, deflection and curling of the reflective sheet is reliably prevented.06-18-2009
20130027910LIGHTING DEVICE, DISPLAY DEVICE AND TELEVISION RECEIVER - A backlight unit according to the present invention includes a chassis including a mounting through hole, a cold cathode fluorescent tube (CCFT), a diffuser plate, lamp clips that are slid along an axial direction of the CCFT when the lamp clips are mounted or detached with respect to the chassis. The lamp clips each include a main body, a light source gripping portion gripping CCFT, a support pin supporting the diffuser plate and arranged to be away from the center of the main body, and a mounting portion passed through the mounting through hole. The lamp clips are each arranged such that a distance between a reference line and the support pin is smaller than a distance between the reference line and the center of the main body. The lamp clips are arranged in adjacent first and second areas so as to be slid in opposite directions for mounting.01-31-2013
201300279093-DIMENSIONAL DISPLAYING APPARATUS USING LINE LIGHT SOURCE - The present disclosure relates to a 3-dimensional displaying apparatus using line light sources, which includes: a display panel having a plurality of pixels; a backlight panel having a plurality of line light sources disposed to be spaced apart from each other by a predetermined distance, the backlight panel being spaced apart from one surface of the display panel; and a distance-adjusting unit for adjusting a distance between the backlight unit and the display panel. According to the present disclosure, it is possible to display autostereoscopic images which may minimize the quality deterioration of the 3-dimensional images according to the change of distance from an observer to the 3-dimensional displaying apparatus, which is a problem of a displaying apparatus implementing 3-dimensional images by using a general parallax separating unit.01-31-2013
20130027908LIGHT GUIDE PLATE AND BACKLIGHT MODULE INCLUDING SAME - A backlight module includes a light guide plate and a plurality of light sources. The light guide plate includes a wedge-shaped light incident part and a flat panel. The wedge-shaped light incident part and the flat panel have a common bottom surface. The height of the wedge-shaped light incident part is greater than that of the flat panel. The wedge-shaped light incident part includes a light incident surface perpendicular to the bottom surface and a sloped surface sloping relative to the light incident surface and connects to the flat panel. The sloped surface defines a plurality of V-shaped grooves for preventing light leak. The flat panel includes a light emitting surface opposite to the bottom surface. The plurality of light sources is positioned adjacent to the light incident surface.01-31-2013
20090180275LAMP UNIT, EDGE LIGHT TYPE BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY DEVICE - A lamp unit includes a linear illuminant having external electrodes at both ends; a housing case for housing the linear illuminant; a pair of holding members fitted in both ends of the housing case; and conductive connection terminals locked to each of the pair of holding members, respectively, wherein each of the connection terminals includes a gripper for gripping each of the external electrodes of the linear illuminant, and each of the external electrodes of the linear illuminant is electrically connected to each of the connection terminals by each gripper.07-16-2009
20100097787LAMP HOLDING TOOL, LIGHTING DEVICE FOR DISPLAY DEVICE USING THE SAME, DISPLAY DEVICE USING THE SAME AND LIQUID CRYSTAL DISPLAY DEVICE USING LIGHTING DEVICE FOR DISPLAY DEVICE - A lamp holding apparatus for mounting a lamp to a base member includes a mounting plate having a pair of locking portions protruding to a base side. The locking portion is inserted into a mounting hole provided at the base and capable of being locked to a peripheral edge on its back side. Abutting portions, which protrude to the base side and are capable of abutting the base at the time of mounting, are provided on a bottom surface of the mounting plate that is an opposing surface to the base. The abutting portions are provided at three spots with one of the locking portions interposed therebetween. At the time of mounting, each of the abutting portions abut the base, and the mounting plate is elastically deformed so as to be warped, whereby the locking surface of the locking portion is kept in the state in which it is locked to a peripheral edge of a back side of the mounting hole by its elastic force.04-22-2010
20120236541FRAME ASSEMBLY AND DISPLAY - A frame assembly including a back cover, a plastic frame, and a front frame and a display having the frame assembly are provided. The back cover has a first sidewall portion including a flat wall and a fastener connected with the flat wall. The fastener has a first contacting surface. The plastic frame has a second sidewall portion having a stopping structure to construct an opening in the second sidewall portion. The stopping structure has a second contacting surface facing the fastener and partially contacting with the first contacting surface. The front frame has a third sidewall portion having an aperture so that the fastener is located in the aperture. The aperture exposes a third contacting surface of the third sidewall portion. The third contacting surface partially contacts with the first contacting surface. The second sidewall portion is located between the first sidewall portion and the third sidewall portion.09-20-2012
20090207588Backlight unit and liquid crystal display using the same - A backlight unit includes a plurality a plurality of lamps, each having a first electrode and a second electrode. An alternating current (AC) signal having a high voltage is intermittently applied to the first electrode and the second electrode is connected to a ground. The backlight unit also includes: a pair of lamp guides comprising a first lamp guide and a second lamp guide, wherein the first lamp guide supports the lamps and is disposed to cross the lamps near the first electrodes, and the second lamp guide is disposed to cross the lamps near the second electrodes; a bottom cover for accommodating the lamps and the lamp guide pair; and a plurality of shock-absorbing holes formed in a bottom surface of the bottom cover near the first electrodes, a length of each shock-absorbing hole extending parallel to a corresponding one of the lamps.08-20-2009
20120099295LIGHTING DEVICE, DISPLAY DEVICE, TELEVISION RECEIVER AND METHOD OF MANUFACTURING LIGHTING DEVICE - It is an object of the present invention to provide a lighting device realizing cost reduction. A lighting device of the present invention includes a plurality of LEDs 04-26-2012
20090052164DIRECTIONAL 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.02-26-2009
20090129059LIGHT COLLECTING SHEET-LAMINATED LIGHT DIFFUSER PLATE - The present invention provides a light collecting sheet-laminated light diffuser plate which can diffusely transmit transmission light (L) with sufficient luminance without causing rubbing of a light diffuser plate (05-21-2009
20100124046LIGHTING DEVICE FOR DISPLAY DEVICE, DISPLAY DEVICE, AND TELEVISION RECEIVER APPARATUS - The present invention includes: a chassis 05-20-2010
20090147500BACKLIGHT ASSEMBLY AND DISPLAY DEVICE HAVING THE SAME - A backlight assembly, in which several parts are unified so as to reduce a number of parts used and simplify an assembly process includes lamps emitting light, first lamp sockets, each of which includes a first connection member coupled with one end of each of the lamps so as to be electrically connected to the end of each of the lamps, and a reflection plate to reflect the light emitted from the lamps, and including socket fixing units formed integrally therewith to respectively fix the first lamp sockets. Each of the socket fixing units includes a socket fixing groove formed on a bottom plane of the reflection plate.06-11-2009
20100118518LIGHTING DEVICE FOR DISPLAY DEVICE, DISPLAY DEVICE, AND TELEVISION RECEIVER APPARATUS - In a chassis 05-13-2010
20100128467Backlit Devices with Multiwall Sheets and Methods of Making the Same - Disclosed herein are backlit devices comprising multiwall sheets (05-27-2010
20100085735OPTICAL SHEETS - Disclosed is an optical sheet for use in liquid crystal displays, which simultaneously functions to uniformly diffuse light emitted from a light guide plate and a diffusion plate and to increase brightness, decreases the loss of light, and enables the fabrication of thinner liquid crystal displays.04-08-2010
20100079981BACKLIGHT MODULE - A backlight module is provided. The backlight module includes a backplate, at least one supporter, and a plurality of light emitting devices. The supporter is disposed on the backplate, and includes a supporting portion and a buffering portion. The supporting portion is disposed between the buffering portion and the backplate. The elastic coefficient of the buffering portion is smaller than the elastic coefficient of the supporting portion. The light emitting devices are also disposed on the backplate. The supporter is disposed between the light emitting devices. The buffering portion of the supporter of the backlight module is adapted for buffering an external force applied upon the supporting porter or the element disposed thereupon.04-01-2010
20090284955CONNECTOR, BACKLIGHT MODULE, LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE BACKLIGHT MODULE - A backlight module includes a housing and at least one connector. The housing includes a bottom plate, which includes an upper surface, a lower surface and at least one through opening. The connector includes an upper portion, a middle portion and a lower portion, wherein the lower portion is disposed within the through hole and is provided with an electrically conductive contact, the middle portion is located between the upper portion and the lower portion, and the middle portion is disposed over the upper surface of the bottom plate.11-19-2009
20090279283LOW-PRESSURE GAS DISCHARGE LAMP - The invention relates to a low-pressure gas discharge lamp (11-12-2009
20090284954BACKLIGHT DEVICE, DISPLAY DEVICE, AND OPTICAL MEMBER - A backlight device 11-19-2009
20090103283LIQUID CRYSTAL DISPLAY BACKLIGHT AND LIQUID CRYSTAL DISPLAY DEVICE - To provide a liquid crystal display backlight and a liquid crystal display device, which can improve the heat dissipating effect, can reduce the thickness and weight of the device. The liquid crystal display backlight includes: an emission light guide plate for emitting illuminating light for a liquid crystal display panel from one face; one and other mixed-color light guides mounted on a same plane of other face of the emission light guide plate via a spacer; a heat-dissipating spatial area provided between the mixed-color light guide plates; light-emitting devices disposed within the heat-dissipating spatial area; and reflectors for guiding output light, propagated inside each mixed-color light guide plate, towards corresponding end faces of the emission light guide plate from outside end face of each mixed-color light guide plate. A holding plate for holding the light-emitting devices is provided, facing each mixed-color light guide plate with an airing gap provided therebetween.04-23-2009
20100110664LIGHTING DEVICE FOR DISPLAY DEVICE AND DISPLAY DEVICE - A lighting device 05-06-2010
20100110666LAMP SOCKET ASSEMBLY, BACKLIGHT ASSEMBLY, DISPLAY DEVICE, AND METHOD OF MANUFACTURING THE DISPLAY DEVICE - A lamp socket assembly includes a base plate, and lamp sockets, each lamp socket including a connection terminal, each connection terminal connected to a terminal of a lamp, and one or more first fixing portions, each of which is integrated with the connection terminal, penetrates the base plate, has at least one bent end, and contacts opposing surfaces of the base plate.05-06-2010
20100110663LIGHTING DEVICE FOR DISPLAY DEVICE AND DISPLAY DEVICE - A lighting device for a display device includes a light source and a chassis arranged to cover the light source. The chassis includes a base member made of resin material, and further includes a metallic skeleton frame provided on the base member. Thus, the lighting device for a display device having a simple construction capable of preventing or suppressing beat tones generated on a lamp housing member is provided without increasing the thickness of the device.05-06-2010
20100061084Back light unit and liquid crystal display using the same - A backlight unit is provided. The backlight unit comprises: a cover bottom: a printed circuit board (PCB) that is supported by the cover bottom; a light emitting element that is positioned on the PCB; an optical film layer that is supported by the cover bottom and that is positioned on the PCB; and a guide that is mounted separately from the light emitting element in a surface of the PCB in order to support the optical film layer.03-11-2010
20100061086BACKLIGHT ASSEMBLY AND METHOD FOR ASSEMBLING THE SAME - An embodiment of a backlight assembly may include an inverter, an inverter substrate, a voltage applying socket, and a lamp. An inverter cover may include sidewalls forming an interior space, and a combining protrusion may be formed on the sidewalls. The inverter substrate may be received by the interior space and may be fixed to the inverter cover by the combining protrusion. The inverter substrate may include an inverter terminal formed on a first surface of the inverter substrate facing outside. The voltage applying socket may include a socket terminal making contact with the inverter terminal, and a voltage terminal connected to the socket terminal. The lamp may be electrically connected to the voltage terminal.03-11-2010
20100061085BACKLIGHT MODULE - A backlight module includes a case, a lamp, and a lamp clamping mechanism. The case has a bottom plate. The lamp is installed inside the case. The lamp clamping mechanism is connected to the bottom plate. The lamp clamping mechanism includes a base, a second clamping part, and a driving part. A first clamping part is disposed on the base. The second clamping part is installed on the base in a movable manner. The second clamping part is used for clamping the lamp with the first clamping part cooperatively when the second clamping part is moved to a first position so as to fix the lamp on the bottom plate. The driving part is pivotally disposed through the base. The driving part is used for rotating relative to the base so as to push the second clamping part from a second position to the first position on the base.03-11-2010
20100142187LIQUID CRYSTAL DISPLAY DEVICE - A display device capable of driving a scanning backlight is disclosed. The display device forms a conductive pattern on a balance printed circuit board (PCB) and sequentially controls the on/off time of light sources without assigning driving units to each of the light sources. As such, the display device can drive the scanning backlight and reduce manufacturing costs.06-10-2010
20090168404ILLUMINATING DEVICE FOR LIQUID CRYSTAL PANEL - Light which tries to enter a diffuser plate 07-02-2009
20100033957Backlight Module - A backlight module includes a light source unit, a first optical plate and a second optical plate. The first optical plate is disposed above the light source unit. The first optical plate has a plurality of first light diffusion structures arranged in an array on a first surface thereof. An edge of a bottom surface of each of the first light diffusion structures is perpendicular to a first direction. The second optical plate is disposed above the first optical plate. The second optical plate has a plurality of second light diffusion structures arranged in an array on a second surface thereof. Each of the first and second light diffusion structures is formed in a pyramid shape. An edge of a bottom surface of each of the second light diffusion structures is perpendicular to a second direction. An included angle is defined between the first direction and the second direction.02-11-2010
20110205728BACKLIGHT ASSEMBLY AND DISPLAY APPARTUS HAVING THE SAME - A backlight assembly includes a light generating unit, a receiving member, an optical member, and a frame member. The receiving member includes a receiving part receiving the light generating unit, a supporting part extending from the receiving part, and a protrusion portion protruded from the supporting part. The optical member is guided to a predetermined position on the supporting part by the protrusion portion, and diffuses the light provided from the light generating unit. The frame member includes a fixing part coupled with the supporting part and protruded from a surface of the frame member facing the supporting part. The fixing part prevents the optical member from moving in a direction substantially parallel to an upper surface of the supporting part. Accordingly, the backlight assembly is constructed to prevent occurrence of assembling defects and light leakage due to movement of the optical member.08-25-2011
20090190329LIGHT DIFFUSING PLATE, DIRECT-TYPE BACKLIGHT DEVICE AND LIQUID CRYSTAL DISPLAY SYSTEM - A direct-type backlight device has a reflection plate, a plurality of linear light sources disposed approximately in parallel to one another, and a light diffusion plate having a light incident surface which receives direct lights from the linear light sources and reflected lights which has emitted from the linear light sources and has been reflected on the reflection plate, and having a light emitting surface for emitting the light. Defining the mean distance between centers of the adjacent linear light sources as “a” (mm), the mean distance between the center of the linear light source and the light incident surface as “b” (mm), and the internal diameter of the linear light source as “r” (mm), the region obtained by projecting the internal diameter of the linear light source onto the light incident surface as X, and the region having a width (r×(b07-30-2009
20090097232Direct type back light unit for liquid crystal display device - A back light unit for a liquid crystal display device for improving uniformity of the light and dispensing with optical sheets. The back light unit includes a light source having a holographic pattern formed on a surface thereof opposite the display device which is to display a picture, and a reflective plate under the light source.04-16-2009
20090097231Backlight module and liquid crystal display utilizing same - In an exemplary embodiment, a backlight module (04-16-2009
20090097230ILLUMINATION DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - A backlight device includes a light diffusing member above a plurality of light sources that are partitioned into a plurality of illumination regions by a partition wall. A light incidence plane at which lights from the plurality of light sources enter is higher than the light sources and equal to or lower than a top of a partition wall. Moreover, a second light diffusing member is laminated above the light diffusing member so that a space is provided between the second light diffusing member and the first light diffusing member. The second light diffusing member has a light incidence plane in a position at a height that is higher than the top of the partition member. This makes it possible to independently control each of the illumination regions.04-16-2009
20090052163BACK LIGHT DEVICE - In a back light device 02-26-2009
20090190328Thermal management of lamps in a backlight system - A backlight system (07-30-2009
20090046445BACKLIGHT DEVICE, LAMP CLIP, AND CHASSIS FOR BACKLIGHT - An object is to prevent fall of a lamp clip due to an external factor such as vibration or impact. It is structured that a reflective member 02-19-2009
20090303697OPTICAL 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 are disclosed. The optical sheet includes a base film, a base portion on the base film, and a plurality of projections on the base portion. The base portion includes a first area. The projections include a plurality of peaks and a plurality of valleys. The first area is a section including a first side adjoining to one of the valleys and a second side corresponding to a height of the base portion. A length of the first side is substantially 2 μm to 10 μm. The first area has one first bead or 2 to 5 first beads.12-10-2009
20100142186LIGHT SOURCE HOLDING DEVICE, ILLUMINATION DEVICE, AND DISPLAY DEVICE - In a light source holding device holding a cold cathode tube (linear light source) by clamping it between first and second claws, the first and second claws are provided in such a manner that they are in contact with the cold cathode tube while being displaced in position in the longitudinal direction of the cold cathode tube. Consequently, degradation in display quality can be prevented.06-10-2010
20090129060Luminescent Display Device Having Filler Material - A luminescent display has a plurality of individual discreet phosphor elements (05-21-2009
20090161346SURFACE LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY - The present invention provides a surface light source device capable of emitting light with high uniformity in luminance.06-25-2009
20090168405BACKLIGHT ASSEMBLY AND DISPLAY DEVICE HAVING THE SAME - A backlight assembly and a liquid crystal device having the same are provided. The backlight assembly includes a lamp unit configured to generate light, a reflection sheet configured to reflect the light from the lamp unit and a receiving frame having at least one recess portion configured to fix the reflection sheet so that the reflection sheet can be fixed to the backlight assembly without using an adhesive.07-02-2009
20120069551DISPLAY SYSTEM HAVING CIRCADIAN EFFECT ON HUMANS - A display system includes an illumination unit in which a predetermined light spectrum can be produced with the illumination unit, the average light intensity of which light spectrum can be reduced or increased over the wavelength range of 420 nm to 500 nm relative to the average light intensity above and below this wavelength range such that the predetermined light spectrum is greater relative to a light spectrum produced without this reduction or increase.03-22-2012
20090086466Planar Light Emitting Element, Image Display Element, and Image Display Device Using the Same - A planar light emitting element is capable of outputting light having high directivity in at least one direction. The planar light emitting element has a light guide plate and first and second low refractive index layers. Light incident on the light guide plate is totally reflected on the interface between the light guide plate and the second low refractive index layer, propagates in the light guide plate, and is output from the light guide plate to the first low refractive index layer through a light output opening section. When a refractive index of the first low refractive index layer is sufficiently smaller than a refractive index of the light guide plate, the light propagates in the light guide plate at a large angle with respect to a light output surface of the light guide plate. When the difference between the refractive indexes of the first and second low refractive index layers is small, a spreading angle of light output to the first low refractive index layer is small. The light having high directivity is reflected on a reflective mirror and output from the planar light emitting element.04-02-2009
20090201668LIQUID CRYSTAL DISPLAY APPARATUS - A light source includes a plurality of light emitting elements, and each light emitting element is disposed in such a manner that a direction of an optical axis of the light emitting element having a highest luminance is disposed at a predetermined inclination angle relative to a plane of the liquid crystal display. The optical guide member has an optical guide portion of a wedge shape having a first flat plane generally perpendicular to the optical axis of each light emitting element for receiving light from each light emitting element and a second flat plane having a predetermined angle relative to the optical axis and intersecting the first flat plane at an acute angle for reflecting light. A plurality of optical guide portions are disposed in a plane and formed integrally along a predetermined direction corresponding to the inclination direction of the light emitting elements.08-13-2009
20090129061ALKALI-FREE ALUMINOBOROSILICATE GLASSES FOR LIGHTING MEANS WITH EXTERNAL OR INTERNAL CONTACTING - The invention relates to aluminoborosilicate glasses as a glass casing body of a lighting means, especially for background illumination, which glass composition is equally suitable for use in lighting means with external contacting as well as for lighting means with internal contacting.05-21-2009
20100149788DISPLAY APPARATUS - A display apparatus includes a display panel, a light source and a plurality of a light guiding plate. The LGP includes light incident, counter, light emitting and rear surfaces. The counter and rear surfaces are respectively opposite to the light incident and light emitting surfaces. The light emitting surface includes an ineffective light emitting area making contact with the light incident surface and an effective light emitting area connecting the ineffective light emitting area with the counter surface. The counter surface of a first light guiding plate is disposed overlapping the light incident surface of a second light guiding plate along a first direction, so that the rear surface partially overlaps with the effective light emitting area of the second light guiding plate, and the light guiding plates collectively form a light guiding plate array along the first direction.06-17-2010
20100149789LIGHTING DEVICE FOR DISPLAY DEVICE AND DISPLAY DEVICE - A lighting device for a display device includes a light source and a chassis arranged to cover the light source. The chassis includes one of a groove section and an opening section located directly below the light source. The one of a groove section and an opening section has a relatively small width at an area directly below a low voltage area of the light source, compared to at an area directly below a high voltage area of the light source.06-17-2010
20120195024FLEXIBLE CIRCUIT BOARD CONNECTION STRUCTURE AND DISPLAY DEVICE - Disclosed is a flexible circuit board connection structure that has a simple configuration, is inexpensive, and has superior connection reliability. The connection structure is a structure connecting a first flexible circuit board 08-02-2012
20100157577BACKLIGHT AND DISPLAY - A backlight is provided for a transmissive spatial light modulator such as a liquid crystal device (06-24-2010
20100165602LIGHTING APPARATUS, DISPLAY APPARATUS, AND TV RECEIVER - A lighting apparatus includes a back chassis covering a rear surface side thereof, a light source including a fluorescent tube having opposite end portions thereof held by the back chassis, and a supporting member mounted on the back chassis and arranged to support a portion of the light source between the opposite end portions thereof, wherein the supporting member is made of a shock-absorbing material capable of absorbing shock by its elastic behavior, and the light source is disposed on the supporting member.07-01-2010
20100002420Backlight Module and Back Plate and Base Thereof - A backlight module includes a back plate, a frame, a lamp set, and a lamp rack. The back plate has an inner surface to serve as a light reflecting surface. Besides, two corresponding sides of the back plate respectively include a sidewall structure including a connecting groove. The connecting groove receives the frame to form a frame with a concave center portion. By integrating the back plate and the frame into the backlight module base has an advantage in saving material and cost.01-07-2010
20090296375OPTICAL SHEET, AND BACKLIGHT DEVICE AND DISPLAY DEVICE PROVIDED THEREWITH - A notch is formed in a side of an optical sheet. As seen in plan view, the notch is shaped such that the maximum width of the notch as measured in the direction parallel to the line connecting both ends of a mouth portion of the notch is greater than the width of the mouth portion along the side of the optical sheet. Here, it is preferable that the notch be polygonal or have a curved shape as seen in plan view.12-03-2009
20130215601Backlight Module and LCD Device Comprising Backlight Module - The invention discloses a backlight module and an LCD device including the backlight module. The backlight module includes a light source, an aluminum extrusion, and a backplane. The light source is fixed on the aluminum extrusion, and the aluminum extrusion and the backplane are integratedly joined. The aluminum extrusion heat dissipation is used by the backlight module of the LCD device of the invention, the aluminum extrusion and the backplane are integratedly joined, the contact area between the aluminum extrusion and air is increased, and thus high-efficiency heat dissipation is obtained.08-22-2013
20110058355LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR ASSEMBLING SAME - A liquid crystal display (LCD) device includes a back cover portion, a backlight module, a side frame portion, a panel assembly and a bezel. The backlight module is directly positioned on the back cover portion. The side frame portion is positioned on the back cover portion and surrounds the backlight module. The panel assembly is positioned on the side frame portion and opposite to the backlight module. The bezel is fixed to a front of the back cover portion. A method for assembling the LCD device is also provided.03-10-2011
20100208453ILLUMINATING LENS, LIGHTING DEVICE, SURFACE LIGHT SOURCE, AND LIQUID-CRYSTAL DISPLAY APPARATUS - An illuminating lens includes a light entrance surface, a light exit surface, and a reversing surface. The light exit surface has a first light exit surface and a second light exit surface. The first light exit surface is recessed toward a point on the optical axis, and the second light exit surface extends outwardly from the periphery of the first light exit surface. The first light exit surface includes a transmissive region in the center thereof and a total reflection region on the peripheral side thereof. The reversing surface has a shape such that the light that has been emitted from the light source, totally reflected repeatedly at the light exit surface, and then reached the reversing surface is guided to the first light exit surface by total reflection.08-19-2010
20100142188BACKLIGHT ASSEMBLY - A backlight assembly includes a plurality of light sources emitting light and a diffusion plate. The diffusion plate includes an incident surface on which the light is incident, an exit surface which is opposite the incident surface and from which the light exits, and first and second lens patterns which are disposed on the exit surface and have different shapes from each other. Each of the first lens patterns includes a first curved portion which forms a curve and first linear portions which extend from both ends of the first curved portion, respectively. Each of the second lens patterns includes a second curved portion which forms a curve and second linear portions which extend from both ends of the second curved portion, respectively.06-10-2010
20090116223LIGHT SOURCE DEVICE, BACKLIGHT UNIT, AND LIQUID CRYSTAL DISPLAY DEVICE - A light source device, a backlight unit, and a liquid crystal display device are each capable of improving uniformity of a luminance and a color of a display surface. The light source device includes a board; a plurality of point light sources arranged on a surface of the board and connected in series; and a variable resistor, wherein the variable resistor is disposed on the surface on which the plurality of point light sources are arranged of the board; at least one point light source arranged on an end side among the plurality of point light sources is connected in parallel to the variable resistor; and the board has a through-hole in a region where a variable resistor is located.05-07-2009
20090116222BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE - A backlight unit and a liquid crystal display device improve uniformity of a luminance and a color of a display surface. The backlight unit includes a light source device and a circuit board, the light source device including a first board and a plurality of point light sources connected in series, the plurality of point light sources being arranged on the first board, and the circuit board including a second board, a driving circuit for the plurality of point light sources, and a variable resistance device, the driving circuit for the plurality of point light sources and the variable resistance device being arranged on the second board, wherein a resistance adjusting element of the variable resistance device is exposed to an outside, and at least one point light source arranged on an end side among the plurality of point light sources is connected in parallel to the variable resistance device.05-07-2009
20090073677ILLUMINATION DEVICE AND DISPLAY DEVICE - A display device includes a plurality of cold cathode tubes that define linear light sources and are arranged in an aligned state in a backlight device. A direction that is perpendicular or substantially perpendicular to a surface S along the direction of alignment of the cold cathode tubes is set as the illumination direction. The cold cathode tubes are supported in two kinds of postures whose axes intersect with each other. A first inclined cold cathode tube and a second inclined cold cathode tube are arranged in postures that incline the axis of each relative to the direction of illumination. The overall distribution of light intensity can be expanded by the amount of the relative inclination angles of the first inclined cold cathode tube and the second inclined cold cathode tube.03-19-2009
20090323314Optical plate and backlight module using the same - An optical plate has a first surface and an opposite second surface. The first surface is substantially planar. A plurality of substantially parallel elongated V-shaped protrusions and a plurality of substantially parallel elongated arc-shaped protrusions are formed on the second surface of the transparent main body. Each elongated arc-shaped protrusion intersects with each elongated V-shaped protrusion. A backlight module using the optical plate is also provided.12-31-2009
20090323312BACKLIGHT MODULE - A backlight module including a first side frame, a plurality of first elastic holding elements, a second side frame, a plurality of second elastic holding elements, and a plurality of lamps is provided. The first side frame has a plurality of first containing grooves, and the first elastic holding elements are disposed in the first containing grooves respectively. In addition, the second side frame has a plurality of second containing grooves, and the second elastic holding elements are disposed in the second containing grooves respectively. The lamps are connected between the first side frame and the second side frame. Two ends of the lamps are fixed through the first elastic holding elements and the second elastic holding elements.12-31-2009
20090129058LIGHT GUIDE MEMBER, PLANAR LIGHT SOURCE DEVICE PROVIDED WITH THE LIGHT GUIDE MEMBER, AND DISPLAY APPARATUS USING THE PLANAR LIGHT SOURCE DEVICE - A light guide member laminated on the upper face of a luminous device mounting substrate on which a luminous device is mounted and which is for diffusing and guiding upward light emitted from the luminous device. The light guide member includes a light reflecting portion formed on the bottom face of the light guide member in an area other than an area near the luminous device, and a section in which a light reflecting portion is not formed on the bottom face of the light guide member at a position near the luminous device. Also disclosed is a planar light source device provided with the light guide member, and a display apparatus using the planar light source device.05-21-2009
20130128553Back Frame, Backlight System, and Flat Liquid Crystal Display Device - The present invention provides a back frame, which includes at least first and second primary assembling pieces. The at least two primary assembling pieces are joined to form the back frame. The primary assembling pieces have a vertical section, and the vertical section realizes mating between the back frame and an intermediate frame and a front frame of the flat panel display device. The present invention provides a back frame, a backlight system, and a flat liquid crystal display device that use a fastener extending through a mating hole of a vertical section of the primary assembling piece and a through hole of an intermediate frame and a through hole of a front frame of the flat liquid crystal display device to fix the back frame and the front frame and the intermediate frame of the flat liquid crystal display device together, making the entire frame structure of the flat liquid crystal display device more stable.05-23-2013
20090109657LIGHT CONTROL PLATE, SURFACE LIGHT SOURCE DEVICE, AND TRANSMISSION TYPE IMAGE DISPLAY APPARATUS - A light control plate, a surface light source device, and a transmission type image display apparatus which can emit light widened within a predetermined angle range are provided. In a light control plate 04-30-2009
20090109658LASER 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.04-30-2009
20100309650LIQUID CRYSTAL DISPLAY DEVICE, BACKLIGHT CONTROL METHOD AND PROGRAM - A liquid crystal display device includes an input and output display unit which includes a touch panel function; a backlight which emits light to the input and output display unit from a rear surface thereof; a comparison processing unit which compares a sensor output of a sensor which detects the light emitted from the backlight and reflected from a manipulation object on the input and output display unit with a predetermined reference value; and a backlight luminance adjusting unit which receives a comparison result of the comparison processing unit and adjusts luminance of the backlight so that the sensor output is close to a predetermined allowable lower limit output value.12-09-2010
20100321925LIQUID CRYSTAL MODULE - A liquid crystal module includes a lamp socket and a lamp frame. The lamp socket has a holding part holding a cold cathode tube which is inserted into the holding part through a silt. The slit is formed on a part of a face of the lamp socket. The lamp frame fixes the lamp socket to a rear frame so as to cover the lamp socket. A supporting part is formed on a face of the lamp frame and contacts the face of the lamp socket. A part of the face of the lamp frame opposing the part of the face of the lamp socket where the slit is formed is cut out.12-23-2010
20110002113BACKLIGHT ASSEMBLY AND DISPLAY DEVICE HAVING THE SAME - A backlight assembly includes a plurality of lamps, a receiving container and a conductive member. Each of the lamps includes a lamp body, a first electrode part disposed at a first end portion of the lamp body and a second electrode part disposed at a second end portion of the lamp body, the second end portion being opposite to the first end portion. The receiving container includes a bottom plate on which the lamps are disposed and a sidewall disposed at edge portions of the bottom plate to define a receiving space. The receiving container has a plurality of grounding portions formed on the bottom plate or the sidewalls. The conductive member electrically connects the second electrode part to one of the grounding portions.01-06-2011
20110026243BACKLIGHT UNIT AND DISPLAY DEVICE - A backlight unit according to an embodiment includes: a plurality of optical assemblies each including a light source generating light, a light guide plate having a first part through which light travels inside and a second part diffusing upward the light traveling inside through the first part; and a diffusion pattern selectively disposed at the portions corresponding to interfaces between the light guide plates on the optical assemblies.02-03-2011
20090067157OPTICAL DISPLAY DEVICE WITH ASYMMETRIC VIEWING AREA - The present disclosure provides optical devices having an asymmetric viewing area imparting improved optical properties to the device.03-12-2009
20090067156ILLUMINATION SYSTEM AND DISPLAY DEVICE - An illumination system (03-12-2009
20100157578LIGHTING APPARATUS, DISPLAY APPARATUS AND TV RECEIVER - An apparatus comprising back chassis (06-24-2010
20110044029LIGHT EMITTING DEVICE AND METHOD FOR MANUFACTURING THE SAME - By using a light emitting device including an insulating substrate and a light emitting unit formed on the insulating substrate, the light emitting unit including: a plurality of linear wiring patterns disposed on the insulating substrate in parallel with one another, a plurality of light emitting elements that are mounted between the wiring patterns while being electrically connected to the wiring patterns, and a sealing member for sealing the light emitting elements, as well as a method for manufacturing thereof, it becomes possible to provide a light emitting device that achieves sufficient electrical insulation and has simple manufacturing processes so that it can be manufactured at a low cost, and a method for manufacturing the same.02-24-2011
20100027245LIGHTING DEVICE FOR DISPLAY DEVICE AND DISPLAY DEVICE - A lighting device for a display device includes a light source and a chassis arranged to cover the light source. Further included is an inverter circuit board that is mounted to the chassis and includes an inverter circuit arranged to supply drive voltage to the light source. The chassis includes an opening section located directly below a portion of or all of the inverter circuit board. Thus, the lighting device for a display device, capable of preventing or suppressing beat tones generated on a lamp housing member, is provided without increasing the thickness of the device and with a simple structure.02-04-2010
20090323313CONDENSING SHEET AND METHOD FOR PREPARING THEREOF - Disclosed is a condensing sheet, a method of manufacturing the condensing sheet, a backlight assembly including the condensing sheet, and a liquid crystal display including the backlight assembly. The condensing sheet includes a light output unit that has a plurality of lenses, and a light input unit that faces the light output unit and includes a light penetration unit and a light reflection unit. The light reflect ion unit has a structure including a recess sinking toward the light output unit and a reflector received in the recess.12-31-2009
20100046207BACKLIGHT ASSEMBLY AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME - A backlight assembly includes a light source, a light-guiding plate and a diffusion sheet that includes a first bead layer on a lower surface of the diffusion sheet facing the light-guiding plate, and a second bead layer on an upper surface of the diffusion sheet. To improve image display quality, the hardness of the beads of the first bead layer facing the light guide plate are equal to or less than that of the light guide plate to prevent scratching of the light guide plate.02-25-2010
20100046206BACKLIGHT DEVICE FOR LIQUID CRYSTAL MODULE - A backlight device for a liquid crystal module includes a linear light source and a light reflecting member. The light reflecting member reflects light emitted from the linear light source. The light reflecting member includes a center reflecting face, a pair of first peripheral reflecting faces and a pair of second peripheral reflecting faces. The center reflecting face and the first and second peripheral reflecting faces are integrally formed from a sheet-like member as a one-piece, unitary member.02-25-2010
20090034235LAMINATED FILM - A white laminated film which has practically sufficient reflectivity at a visible range, can be formed stably, is free from deterioration (yellowing) by ultraviolet radiation, rarely deforms by heat and can be advantageously used as a reflector substrate for liquid crystal displays and internal illumination type electrically spectacular signs, is provided. The laminated film includes a first layer of a composition which includes 31 to 60 wt % of inert particles having an average particle diameter of 0.3 to 3.0 μm and 40 to 69 wt % of a polyester consisting of 1 to 100 mol % of naphthalenedicarboxylic acid and 0 to 99 mol % of terephthalic acid as a dicarboxylic acid component and ethylene glycol as a diol component, and a layer B of a composition which includes 0 to 30 wt % of inert particles having an average particle diameter of 0.3 to 3.0 μm and 70 to 100 wt % of a polyester consisting of 3 to 20 mol % of naphthalenedicarboxylic acid and 80 to 97 mol % of terephthalic acid as a dicarboxylic acid component and ethylene glycol as a diol component and which is in direct contact with the first layer.02-05-2009
20100135004BACK-LIT DISPLAYS WITH HIGH ILLUMINATION UNIFORMITY - A directly illuminated display unit includes a display panel and one or more light sources disposed behind the display panel. The light sources are capable of producing illumination light. A diffusive light diverting layer is disposed between the one or more light sources and the display panel. The light diverting layer comprises first light diverting elements disposed on one of a first side of the light diverting layer facing display panel and second light diverting elements disposed on a second side of the light diverting layer facing away from the display panel. The diffusive light diverting layer further comprises diffusing particles disposed within a polymeric matrix.06-03-2010
20100135005LIGHTING DEVICE FOR DISPLAY DEVICE, DISPLAY DEVICE AND TELEVISION RECEIVER - An optical member 06-03-2010
20100135003Backlight Module and Liquid Crystal Display Module Using the Backlight Module - This present invention discloses a backlight module and a flat display device using the backlight module. The backlight module has a plastic base having a plastic plate and a plastic frame, wherein a light guide plate is disposed on the plastic plate. The plastic plate is light reflective and has a thickness ranging from 0.2 mm to 0.9 mm. The plastic plate is used to reflect light leaking from the light guide plate. The reflectivity of the plastic plate to the visible light with wavelength ranging from 410 nm to 780 nm ranges from 80% to 95%.06-03-2010
20090027875FLUORESCENT LAMP, BACKLIGHT UNIT, AND LIQUID CRYSTAL DISPLAY DEVICE - A backlight unit has an external electrode fluorescent lamp in a housing. The external electrode fluorescent lamp includes a glass bulb having a discharge space inside, and electrodes around both ends of the glass bulb. A protective layer and a phosphor layer are formed on an internal surface of the glass bulb in this order. The glass bulb is made of soda glass, and sodium oxide precipitated from this soda glass appears on part of the internal surface of the glass bulb where the protective layer is not formed, so as to be exposed to the discharge space.01-29-2009
20110063819BACKLIGHT AND LIQUID CRYSTAL DISPLAY DEVICE - There are provided a backlight capable of improving luminance efficiency (brightness efficiency) by devising a structure of a HCFL to allow adjustment of a cold spot temperature, and further provided a liquid crystal display device using the backlight. A distance (cathode length) between one tube end portion and one filament of a pair of filaments is set longer than a distance (cathode length) between the other tube end portion and the other filament. In this manner, at least the tube end portion on the longer cathode length side can be set as the cold spot. Further, a tube end portion of a hot cathode fluorescent tube is arranged outside a lamp house. In this manner, the cold spot set at the tube end portion of the hot cathode fluorescent tube can be arranged outside the lamp house where the temperature is low, and the cold spot temperature can be decreased.03-17-2011
20110149557BACKLIGHT ASSEMBLY, ASSEMBLING METHOD THEREOF AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE SAME - A lamp socket includes a body receiving a lamp, and a power supplying member disposed inside the body, the power supplying member comprising an electrical conductive material having elasticity, wherein the power supplying member electrically interconnects the lamp and an inverter substrate on which an inverter is mounted, wherein the power supplying member includes a lamp connector receiving a lead wire of the lamp, and an inverter connector formed integrally with the lamp connector, wherein the inverter connector receives a protrusion of the inverter substrate to encircle the protrusion.06-23-2011
20100321926BACKLIGHT FOR LIQUID CRYSTAL DISPLAY - Light source lamps can be held at different interval by a single kind of lamp clip. A straight tube light source lamp (12-23-2010
20090190330LIGHT SOURCE ASSEMBLY AND LIQUID CRYSTAL DISPLAY HAVING THE SAME - Provided is a light source assembly that may facilitate the coupling and the replacement of light source units, and may thus reduce the manufacturing time, and a liquid crystal display (LCD) having the same. The light source assembly includes a light source unit, a circuit board, and a supporting plate. The light source unit includes at least one light source chip, a first terminal connected to the light source chip, and a housing accommodating the light source chip therein and having at least one fixing protrusion on one side thereof. The circuit board includes a second terminal that is connected to the first terminal and transmits a driving voltage. The light source unit is mounted on the second terminal. The supporting plate is disposed on the circuit board and includes an opening into which the light source unit is inserted. At least a portion of the housing is fixed to the circuit board through the opening.07-30-2009
20100321927LAMP HOLDER, ILLUMINATING DEVICE, DISPLAY DEVICE, AND TELEVISION RECEIVER - The present invention comprises: a main body 12-23-2010
20110164404ILLUMINATION DEVICE, SURFACE LIGHT SOURCE DEVICE, AND LIQUID CRYSTAL DISPLAY APPARATUS - Each of first reflecting sheets (07-07-2011
20110164403BACKLIGHT ASSEMBLY HAVING FLUORESCENT LAMPS AND DISPLAY DEVICE HAVING THE BACKLIGHT ASSEMBLY - Provided is a backlight assembly which can be assembled with increased efficiency and has improved reliability. The backlight assembly includes a fluorescent lamp which includes a fluorescent lamp tube and a pair of lamp leads formed at each end of the fluorescent lamp tube, end caps which surround each end of the fluorescent lamp tube and fix the lamp leads in place, and a power supply terminal units which supply power to the lamp leads, wherein an end cap exposes at least part of each of the lamp leads corresponding thereto.07-07-2011
20110164402BACKLIGHT UNIT AND DISPLAY DEVICE USING THE SAME - A backlight unit includes a bottom cover; a light emitting module on the bottom cover and including a substrate and a plurality of light emitting devices, each light emitting device including a light emitting structure having a first conductive semiconductor layer, an active layer and a second conductive semiconductor layer; and a light guide member on the light emitting module and including at least one insertion cavity into which at least one of the plurality of light emitting devices is inserted, wherein the at least one insertion cavity is opened only on one side.07-07-2011
20110096530BACKLIGHT APPARATUS, LIGHT SOURCE FOR BACKLIGHT APPARATUS, AND DISPLAY APPARATUS USING THE SAME - A backlight apparatus comprises a light source that is composed of a combination of a blue light emitting device, a green light emitting phosphor, and a red light emitting phosphor. The blue light emitting device has a peak intensity of a light emitting spectrum 3 to 19 times as high as the green light emitting phosphor.04-28-2011
20100110665LIGHTING DEVICE FOR DISPLAY DEVICE AND DISPLAY DEVICE - A lighting device for a display device includes a light source and a chassis arranged to cover the light source. The chassis includes an opening section located directly below a portion of or all of the light source. Thus, the lighting device for a display device, having a simple construction capable of preventing or suppressing beat tones generated on a lamp housing member, is provided without increasing the thickness of the device.05-06-2010
20100165603BACKLIGHT MODULE - The present invention provides a backlight module, which at least includes: a light guide plate having a plurality of V-cuts on both sides, in which the valley line of the V cut extends as a straight line and the valley lines of the V cuts on the same side of the light guide plate are parallel to each other, while the valley lines of the V cuts on the different sides of the light guide plate are non-parallel to each other; a reflective film disposed on the lower side of the light guide plate; at least a light source disposed around the light guide plate; and a single optical film disposed on the upper side of the light guide plate, in which the optical film includes a substrate and a plurality of light-adjusting structures.07-01-2010
20110149556OPTICAL BODY AND DISPLAY APPARATUS COMPRISING THE SAME - An optical body for a display apparatus which can improve brightness of a display apparatus and a display apparatus are provided. The display apparatus includes a light source, a display panel that receives light from the light source and displays an image, and an optical body positioned between the light source and the display panel, wherein the optical body includes an optical layer including a plurality of microfiber yarns having refractive index anisotropy, and pitches of the plurality of microfiber yarns are set based by the wavelength of the light to be transmitted or reflected.06-23-2011
20090175028Backlight module having an optical film set with two-film structure - A backlight module is used to supply a light beam to a liquid crystal panel. The backlight module includes an optical film set. The optical film set includes a diffusion film for diffusing the light beam; a prism sheet for receiving the light beam from the diffusion film and propagating the light beam to the liquid crystal panel. The prism sheet is close to the liquid crystal panel, and has a plurality of projections, whose cross section is in cone-shape, disposed on a surface thereof adjacent to the liquid crystal panel. Some of the projections have a plurality of defects.07-09-2009
20090175027LIGHT EMISSION DEVICE AND DISPLAY DEVICE USING THE SAME AS LIGHT SOURCE - A light emission device for simplifying a structure of an electron emission unit and a manufacturing process thereof is provided. A display device using the light emission device as a light source is also provided. The light emission device includes a vacuum panel having a first substrate and a second substrate facing each other. A sealing member is between the first and second substrates. Recesss portions each have a depth into a side of the first substrate facing the second substrate. Cathode electrodes are in corresponding recesses. Electron emission regions are on corresponding cathode electrodes. A gate electrode is fixed at one side of the first substrate at a distance from the electron emission regions. A light emission unit is at one side of the second substrate. The gate electrode includes a mesh unit having openings for passing through an electron beam and a supporting member surrounding the mesh unit.07-09-2009
20130010457Backlight Device and Liquid Crystal Display Apparatus - Provided is a backlight device having: a light source element having light emitting diodes and a lens expanding light from the light emitting diodes; a housing containing the light source element; a diffuser plate covering an opening portion of the housing; and a reflection sheet reflecting light emitted from the light source element, toward the diffuser plate. In the light source element, the plurality of light emitting diodes and a plurality of the lenses are arranged at a central zone. The luminance distribution of a portion corresponding to the light source element as seen from the diffuser plate has a central region indicating a peak value of luminance, attenuation regions in which luminance gradually attenuates from the central region toward a right end and a left end, and end regions that include a distribution portion in which luminance does not attenuate.01-10-2013
20110317401DISPLAY MODULE - A display module including an electronic component and a panel module is provided. The electronic component is installed inside the display module. The panel module includes a first side and a second side, and the first side includes a glass module having an electro-conductive material and a display region, wherein the glass module includes an electronic component projection area and the electronic component projection area does not contain the electro-conductive material to prevent affecting the performance of the electronic component. The electronic component projection area is an area where the electronic component is projected on the panel module along a normal direction of the display region. According to a design requirement of the product, the electronic component may be fixed to a frame combined with the panel module or located in the glass module.12-29-2011
20090161345OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary optical plate is used in a backlight module having a frame. The optical plate includes a main body and one bracket extension. The main body has a light input surface, and a light output surface opposite to the light input surface. The bracket extension extends from one end of the main body for fixing the optical plate to the frame. A backlight module using the optical plate is also provided.06-25-2009
20120008308LIGHTING UNIT AND DISPLAY PROVIDED WITH THE SAME - This lighting unit can control luminance in a plurality of block areas independently, and minimize luminance unevenness caused by discretely arrayed light sources, with a reduced number of parts. The lighting unit comprises: a light guide plate having a first and a second grooves formed therein; a first light source group accommodated in the first groove; and a second light source group accommodated in the second groove; the light guide plate having a first light mixing area, a first light emitting area and a second light mixing area; in the first light mixing area, the thickness of the light guide plate progressively increasing away from the first light source group; in the second light mixing area, the thickness of the light guide plate progressively increasing away from the second light source group; and in the first light emitting area, the light guide plate being flat-plate-like.01-12-2012
20120057330LIGHTING DEVICE, DISPLAY DEVICE AND TELEVISION RECEIVER - An object of the present invention is to suppress occurrence of uneven brightness. A lighting device 03-08-2012
20100014281LIGHT EMITTING DEVICE PACKAGE AND BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A light emitting device package and other devices using the light emitting device package are discussed. According to an embodiment, the light emitting device package includes a package body; at least one light emitting device disposed in the package body; at least one pair of leads electrically connected with the light emitting device; and a lens over the light emitting device and having at least one recess at an upper portion of the lens, the shortest distance from the light emitting device to a lowest portion of the recess being greater than approximately D01-21-2010
20120127697OPTICAL SHEET AND METHOD OF MANUFACTURING THE SAME - An optical sheet includes a light-passing base sheet, a plurality of light-passing first patterns formed on a front major surface of the base sheet, and a plurality of light-passing second patterns formed on a rear major surface of the base sheet. The first patterns protrude from the front surface of the base sheet, a top portion of each of the second patterns makes contact with the rear surface of the second patterns while a larger lower surface of each of the second patterns is exposed to serve as a light receiving surface. Voids having relatively low refractive indices are formed between the light-passing second patterns. The optical sheet employs just one base sheet in one embodiment, thereby reducing a manufacturing cost of the optical sheet.05-24-2012
20120014094CONNECTION COMPONENT AND BACKLIGHT MODULE - The present invention provides a connection component and a backlight module. The backlight module is provided with elastic hooks on a first surface of the housing, and the elastic hooks are tightly engaged in a second surface of the back plate, so that it only needs to form the openings on the back plate without punching or riveting to form thread stubs. Thus, the module size will not be affected. During installation of the backlight module, it only needs to slightly provide an external force to engage the elastic hooks into the openings without special installation procedure.01-19-2012
20090129057Illuminated Display Window for LED and/or LC Displays - A display window is particularly suited for LED and/or LC displays. The display window includes a lighting device and a microstructure for illuminating the display window. The microstructure is disposed on the side of the display window facing the display.05-21-2009
20120063122ILLUMINATION DEVICE, DISPLAY DEVICE, AND TELEVISION RECEIVER - The backlight unit (03-15-2012
20100265695BACKLIGHT DEVICE - A pair of band-shaped window portions (10-21-2010
20120134139BACKLIGHT UNIT AND DISPLAY APPARATUS USING THE SAME - A backlight unit and a display apparatus using the same are disclosed. The backlight unit includes a first reflector, a second reflector partially having an inclined surface, a plurality of light sources disposed between the first reflector and the second reflector, and a third reflector disposed between adjacent light sources.05-31-2012
20120250293BACKLIGHT UNIT AND DISPLAY APPARATUS USING THE SAME - A backlight unit and a display apparatus using the same are disclosed. The backlight unit includes a first reflector, a second reflector and at least one light source disposed between the first reflector and the second reflector. The second reflector includes a specular reflection area and a diffuse reflection area. The specular reflection area occupies about 5 to 50% of an entire area of the second reflector.10-04-2012
20120127698CONDENSING TYPE OPTICAL SHEET - Disclosed is a condensing type optical sheet for use in a liquid crystal display, which prevents the generation of a yellow band or a rainbow phenomenon without using a protective sheet.05-24-2012
20090059567DIRECT TYPE BACKLIGHT DEVICE AND OPTICAL LENS SHEET - An optical lens sheet 03-05-2009
20090059566Device for Backlighting a Liquid-Crystal Display Facility for a Display and/or Control Unit, in Particular in a Household Appliance - The aim is to provide backlighting in a liquid-crystal display unit for a display and/or operator control unit, in particular on a domestic appliance. To achieve this, a backlighting layer, to which at least one backlighting source can be coupled, is located beneath an LCD layer and at least one supplementary backlighting layer is located beneath the backlighting layer. The supplementary layer can be coupled to at least one additional backlighting source assigned to the layers and permits the respective supplementary backlighting layer to emit light from the additional backlighting source(s) in respective defined masked zones through the backlighting layer and through the LCD layer.03-05-2009
20090059565ILLUMINATING MODULE FOR A LIGHTING DEVICE - An illuminating module for a lighting device includes a first number n of light sources arranged in a first array and a second number m of light sources arranged in a second array, said numbers being defined by: m≧1, n≧m+1. A lighting device includes a plurality of similar illuminating modules.03-05-2009
20120212936ILLUMINATION DEVICE AND DISPLAY DEVICE - Provided is an illumination device in which it is possible to suppress a member mounted with a light source such as an LED from being displaced, and to make said member and the illumination device smaller. A backlight unit (08-23-2012
20100008070BACK LIGHT MODULE WITH DIFFRACTIVE COUPLERS - A back light module which uses first diffractive optics to couple light into a light guide and uses second diffractive optics to extract light from the light guide such that the light emerging from the back light module is uniform. This is accomplished by having an input grating adjacent the light sources at the bottom, or back of the light guide, with the output grating at the top, or front of the light guide. In one embodiment, the portion of the top surface directly opposite the light sources has a less dense arrangement of diffractive couplers, so that less of the initial light from the light sources exits upon the first contact with the top surface. Alternately, a modular light guide with angled light guide surfaces is used to couple in light from the light source, instead of the diffractive in-couplers.01-14-2010
20110235309ILLUMINATION DEVICE FOR DISPLAY DEVICE, AND DISPLAY DEVICE - An illumination device for a display device, which is formed from a substrate and a plurality of white light-emitting devices disposed on top of the substrate, and can be used as a backlight for a liquid crystal display panel, wherein the white light-emitting devices have a light source and a phosphor that is excited by the light source and emits light, and a fluorescent material with a composition represented by a general formula: M(0)09-29-2011
20110235308BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS HAVING THE SAME - A display apparatus with at least two light guide plates, each including a light incident surface and a light exiting surface, the light guide plates being spaced apart from each other so as to form a gap therebetween. The display apparatus also has a light source disposed adjacent to at least one side portion of the light guide plates to emit light to the light incident surface, a display panel positioned to receive light from the light exiting surfaces to facilitate display of an image, and a diffusion member. The diffusion member covers the gap, so as to diffuse light directed toward the display panel.09-29-2011
20100232142Condensing film for LCD backlight unit and LCD backlight unit using the same - There is provided a condensing film for an LCD backlight unit. The condensing film including a film unit; a light outgoing unit formed in an upper surface of the film unit; and a light ingoing unit formed in a lower surface of the film unit, wherein a light diffuser is included inside the condensing film. The condensing film may be useful to widen a viewing angle and prevent the formation of hot bands by improving luminance distribution characteristics of light emitted from the condensing film since the condensing film includes a light diffuser capable of diffusing the light.09-16-2010
20100220462METHOD FOR MANUFACTURING DIRECT BACKLIGHT UNIT, FLUORESCENT LAMP AND BACKLIGHT UNIT - The orientation of fluorescent lamps is detected in a manufacturing method for a direct backlight unit that alternates orientations of adjacent fluorescent lamps. In a preparation step of the manufacturing method for the backlight unit of the present invention, a plurality of fluorescent lamps are prepared. In each of the fluorescent lamps, a length (a09-02-2010
20100202134LIGHTING DEVICE FOR DISPLAY DEVICE AND DISPLAY DEVICE USING THE SAME - A backlight device includes a light guide plate opposed to fluorescent tubes, a diffusion sheet stacked on the light guide plate, and lens sheets further stacked on the diffusion sheet. A tip end of a corner portion of the diffusion sheet has a shape defined by removing a portion of the sheet along a straight line spanning between two sides constituting the corner portion. In first of the lens sheets, a tip end portion of a corner portion formed by two sides has a shape defined by removing a portion of the sheet in a larger amount than in the diffusion sheet by a circular arc which projects outward. In a second of the lens sheets, a tip end of a corner portion formed by two sides has a shape defined by removing a larger amount than in the first of the lens sheets along a straight line.08-12-2010
20120140447BACKLIGHT UNIT AND IMAGE DISPLAY USING THE SAME - A backlight unit includes light emitting diodes (LED's) and light guide plate which guides light from the light emitting diodes to liquid crystal panel and is constructed so that light is emitted from light emission plane of light guide plate opposite to liquid crystal panel toward liquid crystal panel. Area of light emission plane of light guide plate is smaller than effective display area of liquid crystal panel and predetermined shape for diffusing or dispersing light is formed on a lateral side perpendicular to light emission plane of light guide plate and/or at an edge portion near the lateral side of the light emission plane.06-07-2012
20110157871Display Device and Manufacturing Method Thereof - A display device and a manufacturing method thereof are provided. The display device includes a backlight module and a color resist layer. The backlight module generates an output light, wherein the output light has an emitting spectrum function BL(λ) corresponding to a wave length λ. The color resist layer has a blue resist unit, a green resist unit, a red resist unit, and a white resist unit, respectively formed on the backlight module, for filtering the output light generated by the backlight module. The color resist layer has an index function S(λ). The index function S(λ) has an interval maximum value in the wave length between 480 nm and 580 nm, wherein the interval maximum value is between 1.1 and 1.2. The manufacturing method includes providing a backlight module to generate an output light; selecting a blue resist unit, a green resist unit, a red resist unit, and a white resist unit in accordance with an index function S(λ); and combining the blue resist unit, the green resist unit, the red resist unit, and the white resist unit together to form a color resist layer on the backlight module for filtering the output light emitted by the backlight module.06-30-2011
20120243209LIGHTING DEVICE FOR DISPLAY DEVICES, LIQUID CRYSTAL DISPLAY DEVICE, AND LIGHT SOURCE LAMP - A lighting device includes a light source lamp, and a light-diffusing layer including a diffusing plate or a diffusing sheet, the light source lamp including a folded portion (curved portion), such as U-shaped tube, and the lighting device for display devices having any of, or a combination of: the folded portion of the light source lamp is covered with a lamp frame; an optical member provided with a light-reducing or light-shielding treatment is around the folded portion of the light source lamp; the folded portion of the light source lamp is outside an effective display region; the folded portion of the light source lamp includes a member reducing or shielding light; and a reflective member with a light-reducing treatment around the folded portion of the light source lamp. As a result, at least part of light generated from the curved portion of the light source lamp is reduced or shielded.09-27-2012
20100085736LIGHTING DEVICE FOR DISPLAY DEVICES, LIQUID CRYSTAL DISPLAY DEVICE, AND LIGHT SOURCE LAMP - A lighting device for display devices preferably used for constituting a backlight of a transmissive or transflective liquid crystal display device includes a light source lamp, and a light-diffusing layer constituted by a diffusing plate or a diffusing sheet, the light source lamp being a light source lamp having a folded portion (curved portion), such as U-shaped tube, and the lighting device for display devices having any of, or a combination of: a configuration in which the folded portion (curved portion) of the light source lamp is covered with a lamp frame; a configuration in which an optical member provided with a light-reducing or light-shielding treatment is used around the folded portion (curved portion) of the light source lamp; a configuration in which the folded portion (curved portion) of the light source lamp is disposed outside an effective display region; a configuration in which the folded portion (curved portion) of the light source lamp is provided with a member for reducing or shielding light; and a configuration in which a reflective member provided with a light-reducing treatment is used around the folded portion (curved portion) of the light source lamp. As a result, at least part of light generated from the curved portion of the light source lamp is reduced or shielded.04-08-2010
20120250294Backlight Module And Liquid Crystal Display Employing Same - The present disclosure provides a backlight module. The backlight module includes a light source, a thermal plate, a back cover and an elastic holder. The light source is arranged on the thermal plate. The thermal plate is arranged on the back cover, and includes a first hole defined therein. The back cover includes a second hole defined therein, and the second hole overlaps with the first hole. The elastic holder penetrates through the first hole and the second hole, holds two surfaces of the thermal plate and the back cover apart from each other for fixing the thermal plate on the back cover. The present disclosure further provides a liquid crystal display.10-04-2012
20130176710LIGHT EMITTING COMPONENT BOARD GROUP, LIGHT EMITTING DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - A light emitting component board group includes first and second light emitting component boards that are rectangular in shape. The first light emitting component board has first short and long sides, and includes a first input connector provided on one of the first short sides, a first light emitting component group, a first output connector provided on another one of the first short sides. The second light emitting component board has second short and long sides, is arranged in adjacent to the first light emitting component board, and includes a second output connector provided close to one of the second short sided that is close to the one of the first short sides, a second light emitting component group, a second input connector provided close to another one of the short sides that is close to the other one of the first short sides.07-11-2013
20130100648BACKLIGHT UNIT - In order to accurately illuminate an object to be illuminated with planar light having little unevenness in intensity, a backlight unit (04-25-2013
20130128551Backplane, Backlight Module and LCD Device - The present invention discloses a backplane, a backlight module and an LCD device. A backplane, comprising a plurality of ribs which intersect vertically and horizontally to form a plurality of meshes. In the present invention, because ribs are adopted as basic members of the backplane and the comprehensively intersected ribs form the meshes, all components and parts of the backplane module required to be fixed to the backplane can be fixed to the meshes. The ribs are standard and universal; the meshes formed by the ribs are arranged on the whole backplane and can absolutely satisfy the fixation needs of the components and the parts of different positions and different installation dimensions; therefore, for backplanes of different dimensions, as long as the ribs of different lengths are selected, a standard and universal backplane, a backlight module and an LCD device can be formed.05-23-2013
20130128550Backlight Module, Backplane and LCD Device - The present invention discloses a backlight module, a backplane and an LCD device. The backlight module comprises a backplane, a PCB and locking pieces for fixing the PCB on the backplane; the backplane comprises a frame formed by multiple brackets, and bridges arranged on the brackets. The brackets or the bridges are provided with multiple through holes, and the locking pieces are selectively arranged in the through holes by a fixed structure arranged at the bottom of each locking piece. Because the backplane comprises a frame formed by multiple brackets, the frame is provided with bridges for arranging PCBs and the like, and both the brackets and bridges are formed by combining universal shaped parts. The present invention has the advantage of material saving; the bridges are provided with through holes for arranging hillocks, and the hillocks are arranged in any through hole of the bridges. Thus, the hillocks can be arranged in the through holes in corresponding positions in accordance with the PCB size, so that the backplane can be adapted for PCBs of different sizes or backlight modules with components of different number.05-23-2013
20130141894Slim Bezel Backlight Module of Liquid Crystal Display Device - The present invention provides a slim bezel backlight module of liquid crystal display device, which includes: a bezel, a back panel, a connection member, and a plastic frame arranged on the back panel. The bezel includes a front plate that forms a displaying opening and a side plate extending downward from one end of the front plate. The back panel includes a bottom board that is opposite to the front plate. The front plate of the bezel forms a first through hole. The plastic frame forms a through hole corresponding to the first through hole. The bottom board of the back panel forms a second through hole corresponding to the first through hole. The connection device includes a connection member and a locking member mating the connection member. The connection member includes a base section and an extension section extending downward from the base section. The base section is riveted in the first through hole in such a way that a free end face of the base is lower than or flush with an upper surface of the front plate. The extension section extends through the through hole and runs through the second through hole to engage the locking member. The locking member is positioned against the bottom board of the back panel to thereby fix the bezel to the back panel.06-06-2013
20130128552Back Frame of Flat Panel Display Device, Backlight System, and Flat Liquid Crystal Display Device - The present invention provides a back frame of flat panel display device, which includes at least first and second primary assembling pieces. The at least two primary assembling pieces are joined to form the back frame. The primary assembling pieces have positioning sections, and the positioning section cooperate with a back panel of the flat panel display device to position the back frame. The present invention also provides a backlight system and a flat liquid crystal display device. The present invention uses positioning sections formed on the primary assembling pieces to cooperate with a back panel of the flat panel display device to fix the back frame to the back panel so as to facilitate removal of the back frame and further secure the whole structure of the flat liquid crystal display device.05-23-2013
20130148333LENS, BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS HAVING THE SAME - A lens includes an upper flat surface having a first outer diameter, a bottom surface having a second outer diameter and a third inner diameter, an external curved surface which connects the upper flat surface and the bottom surface, and an inner curved surface which protrudes toward the upper flat surface from the bottom surface at the third inner diameter.06-13-2013
20120275139BACKLIGHT MODULE - A backlight module is disclosed, which includes plural light sources, a light guide plate, a light scattering device, a high-reflectance microstructure formed on the light guide plate, and a high-diffusion microstructure formed on the light guide plate. The light guide plate has a first surface and a second surface opposite to the first surface. The first surface faces the light sources. The light scattering device is disposed between the light sources and the light guide plate. The high-reflectance microstructure is formed on the second surface. The high-diffusion microstructure is formed on or indented inwardly from the first surface.11-01-2012
20130201662ANTI-ABRASION OPTICAL DIFFUSION FILM, LCD DEVICE AND LIGHTING DEVICE - An anti-abrasion optical diffusion film (08-08-2013
20130201663SUPPORTING MEMBER FOR BACKLIGHT UNIT, BACKLIGHT UNIT AND IMAGE DISPLAY APPARATUS HAVING THE SAME - A supporting member usable with a backlight unit of an image display apparatus includes a supporting portion that is formed of a transparent material, is disposed below the diffuser plate to support the diffuser plate, and has a first end being in contact with the diffuser plate; and a base that is formed at a second end of the supporting portion and fixes the supporting portion to an under chassis of the backlight unit.08-08-2013

Patent applications in class LCD backlight

Patent applications in all subclasses LCD backlight