Entries |
Document | Title | Date |
20080198621 | Optical Sheet and Surface Light Source Device - A semi-permeable/reflective sheet ( | 08-21-2008 |
20080198622 | Back light module - A back light module includes a frame body, a backboard, a reflecting sheet, a light-guiding plate, a lighting member, an optical film and an upper cover. The frame body and the backboard are formed integral. The frame body has its outer peripheral edge formed with lots of radiating fins, and the back board and the radiating fins are respectively disposed with numerous radiating grains for increasing the heat dissipation area and elevating heat dissipation effect of the back light module, able to effectively lower the working temperature and prolong the service life of the lighting member, and elevate the working efficacy of the lighting member and economize cost. | 08-21-2008 |
20080198623 | System and method for displaying images - System and method for projection display with slim cabinet depth. An embodiment comprises a collimating layer positioned in a light path of a display plane, and a diffusion layer positioned in the light path of the display plane after the collimating layer. The diffusion layer increases the viewing angle of the display plane. The collimating layer comprises a first lens having first and second axes orthogonal to each other and to the light path and a second lens positioned in the light path after the first lens, the second lens having first and second axes orthogonal to each other and to the light path. The first lens is configured along its first axis to redirect light towards the light path and the second lens is configured along its first and second axes to redirect light towards the light path so that the light is substantially parallel to the light path. | 08-21-2008 |
20080212338 | PRISM SHEET, A BACK-LIGHT UNIT USING SAID PRISM SHEET, AND A TRANSMISSION TYPE LIQUID CRYSTAL DISPLAY DEVICE - [Objective] Providing a prism sheet, a back-light unit using the prism sheet, and a transmission type liquid crystal display device.
| 09-04-2008 |
20080219024 | Backlight unit with reduced color separation including a polarizing turning film - A backlight unit contains a light source, a light guiding plate, and a turning film having a light entry and a light exit surface comprising first prismatic structures on the exit surface, wherein
| 09-11-2008 |
20080253147 | BACKLIGHT UNIT HAVING IMPROVED CHROMATIC DISPERSION - Provided is a backlight device that includes: a light guide panel having a diffraction pattern for emitting light through an emission surface of the light guide panel by diffracting light entering the light guide panel; and a chromatic dispersion compensation member that is an optical transmitting member located on a light emission side of the light guide panel and has a lattice pattern having a depth in a direction vertical to the emission surface of the light guide panel. | 10-16-2008 |
20080259634 | DOUBLE-SIDED TURNING FILM - A backlight device for a display comprising (1) a side-lit light source, (2) a light guide plate and (3) a turning film comprising a light entry and a light exit surface comprising lenticular elements on the exit surface and prismatic structures on the entry surface, wherein the average values of the parameters of the features and the thickness of the film are selected to provide a peak output angle of ±10° from normal to the light exit surface of the light guide plate and an optical gain of at least 1.25. Also disclosed are methods of making the turning film and a display incorporating the backlight. | 10-23-2008 |
20080259635 | BACKLIGHT MODULE - A backlight module has a light guide plate and a light source. The light guide plate contains a top plane, a bottom plane opposite to the top plane, a light entrance plane positioned between the top plane and the bottom plane, and a widened edge plane opposite to the light entrance plane. The widened edge plane is slanted relative to the light entrance plane. | 10-23-2008 |
20080259636 | OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary optical plate includes at least one transparent plate unit. The transparent plate unit includes a light output surface, a bottom surface, a plurality of depressions and at least one lamp-receiving portion. The light output surface is opposite to the bottom surface. The depressions are formed at the bottom surface. The lamp-receiving portion is defined in the bottom surface. A backlight module using the present optical plate is also provided. | 10-23-2008 |
20080259637 | OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary optical plate ( | 10-23-2008 |
20080259638 | OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary optical plate ( | 10-23-2008 |
20080266895 | OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary optical plate includes at least one transparent plate unit. The transparent plate unit includes a first surface, a second surface, a plurality of microstructures, a plurality of elongated V-shaped protrusions and a lamp-receiving portion. The second surface is opposite to the first surface. The microstructures are formed at the first surface. Each microstructure includes at least three side surfaces connected with each other, a transverse width of each side surface decreasing along a direction away from the first surface. The elongated V-shaped protrusions are formed at the second surface. The lamp-receiving portion is defined in at least one of the first surface and the second surface. A backlight module using the present optical plate is also provided. | 10-30-2008 |
20080266896 | OPTICAL PLATE AND BACKLIGHT MODULE USING THE SAME - An exemplary optical plate includes at least one transparent plate unit. The transparent plate unit includes a light output surface, a bottom surface, a plurality of spherical protrusions, a diffusion layer, and at least one lamp-receiving portion. The bottom surface is opposite to the light output surface. The diffusion layer is formed on the light output surface. The spherical protrusions are formed at the bottom surface. The lamp-receiving portion is defined in the bottom surface. A backlight module using the present optical plate is also provided. | 10-30-2008 |
20080266897 | Surface illumination device and a liquid crystal display device using such a surface illumination device - A surface illumination device is provided with a laser light source capable of emitting a laser light, an incident surface on which the laser light is incident, a light guiding plate having a principal surface from which the laser light emerges as a surface emergent light, and an irradiating member capable of irradiating the laser light from the laser light source over a specified range extending in the longitudinal direction of the light guiding plate. | 10-30-2008 |
20090010022 | MULTI-FUNCTIONAL LED LAMP - A multi-functional LED lamp is mainly composed of a lamp base, an illuminant device, a light guide device and a lampshade. The illuminant device is provided with plural LED bulbs planted on a laminate that is fixed on the lamp base with a heat-conductive medium spread in between. Heat generated by the illuminant device is dispersed by the lamp base. The light guide device is transparent, placed at a place where the illuminant device is to emit, used to conduct the light beams and promote its brightness. The lampshade is covered on the light guide device and the illuminant device. With features of low energy consumption, long service life and high luminous efficiency for LEDs and a good cooling member, the LED lamp is really energy saving and high-efficient. | 01-08-2009 |
20090010023 | LIGHT SOURCE HAVING TRANSPARENT LAYERS - A system for providing a light source is disclosed. In one embodiment, the apparatus comprises a light guide made of several transparent layers having different refractive indexes. | 01-08-2009 |
20090034288 | LIGHT EMITTING DIODE PACKAGE, DIRECT TYPE BACKLIGHT MODULE AND EDGE TYPE BACKLIGHT MODULE - An LED package includes a carrier, an LED chip and a light scattering material. The LED chip is disposed on the carrier, electrically connected with the carrier and adapted to emitting a light with wavelength λ | 02-05-2009 |
20090080215 | UV based color pixel backlight for liquid crystal display - A ultra-violet based color pixel backlight system for Liquid Crystal Display, that does not contain the traditional color filters, comprising multiplicity of LEDs, emitting UV light in the wavelength range of 250 nm to 390 nm, assembled at one edge of a UV transmitting light guide, which has other three edges and bottom surface coated with UV reflecting layer and its top surface etched with UV extracting pixel patterns that contain phosphors that emit different colors of light in red, blue and green region when excited by UV light. A sheet of micro-lens is assembled between the light guide and the LCD to have the etched pixels in substantial alignment with the pixels of LCD and the lenses of the sheet of micro-lens. Thus red, blue and green pixels of light from the light guide passes through the intended red, blue and green pixels of LCD that has no traditional color filters, resulting in color pixel backlighting that enhances the optical efficiency of LCD. | 03-26-2009 |
20090129115 | Illumination apparatus - An illumination apparatus, comprising at least one light emitting source embedded in a waveguide material is disclosed. The waveguide material is capable of propagating light generated by light emitting source(s), such that at least a portion of the light is diffused within the waveguide material and exits through at least a portion of its surface. | 05-21-2009 |
20090129116 | LIGHT GUIDE PLATE, SURFACE LIGHT SOURCE DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE - The present invention provides a light guide plate which can process in polarization separation, and emit a light in a desirable direction, a surface light source device, and a liquid crystal display device. A light guide plate | 05-21-2009 |
20090180297 | BACKLIGHT ASSEMBLY - A backlight assembly which can reduce manufacturing costs and enhance display quality of a liquid crystal display (“LCD”). The backlight assembly includes: a light source emitting light; and a light guide plate (“LGP”) including an incident surface on which light emitted from the light source is incident, a top surface which adjoins the incident surface, and a bottom surface which adjoins the incident surface, faces the top surface, and includes a plurality of lower prisms separated from one another and flat portions interposed between the lower prisms, wherein each of the lower prisms includes a first surface and a second surface which are adjacent to each other, the first surface including a plurality of oblique planes having different positive slopes, the second surface having a negative slope, and where the slope forms an angle with a line normal to the incident surface. | 07-16-2009 |
20090196067 | BACKLIGHT - The present invention relates to a backlight for a liquid crystal display (LCD). The backlight can comprise a back cover including a bottom plate and side covers, a light guide plate disposed on the bottom plate, and cold cathode fluorescence lamps (CCFLs) located on the sides of the light guide plate and enclosed by the side covers. The CCFLs can be disposed on four sides of the light guide plate. The CCFLs can be two lamps in L shape or four lamps in a straight line shape disposed on the sides of the light plate, with high voltage ends of one CCFL adjacent to the low voltage ends of another CCFL, thus allowing the LCD lighter, slimmer and more compact in structure. | 08-06-2009 |
20090213618 | ILLUMINATING DEVICE - An illuminating device ( | 08-27-2009 |
20090316430 | BACKLIGHT MODULE - A backlight module including at least one light emitting element and a brightness enhancement diffuser is provided. The light emitting element is capable of emitting a light beam. The brightness enhancement diffuser is disposed in the transmission path of the light beam and has a first surface and a second surface opposite to the first surface. The light beam passes through the first surface and the second surface. The brightness enhancement diffuser includes a plurality of protrusions and a plurality of recesses. The protrusions are disposed on the first surface, and each of the protrusions has a curved surface. The recesses are disposed on the first surface, and each of the recesses has at least one plane surface. Each of the recesses is surrounded by several of the protrusions. | 12-24-2009 |
20100002462 | Optical plate and backlight module using the same - An optical plate includes a first surface, an opposite second surface, a plurality of triangular pyramidal micro-depressions formed in the first surface, and a plurality of elongated arc-shaped depressions formed in the second surface. A backlight module using the present optical plate is also provided. | 01-07-2010 |
20100014311 | DEVICE FOR SIGNS - A device comprising the following parts; a light guiding plate in thermoplastic material; a source of light placed on at least one edge of the light guiding plate; a reflecting surface placed along the surface of the light guiding plate, a series of grooves being present on the lower surface, parallel to the light guiding plate edge on which there is the source of light; the grooves having: an hollow shape; the total groove surface, measured on the incision projections on the plate surface, comprised between 10% and 60% with respect to the plate surface; the width of each groove between 0.2 and 5 mm. | 01-21-2010 |
20100014312 | Prismatic Film Backlight - A selectively light-reflecting sheet ( | 01-21-2010 |
20100014313 | DISPLAY - A display comprises: a single-view image display panel ( | 01-21-2010 |
20100020566 | Light guild plate structure and backlight module using the same - A light guide plate structure including a main body, a low-refraction index layer, and a collimation lens film is provided. The main body has a side incident surface on a sidewall thereof. The low-refraction index layer is bonded to an upper surface of the main body. A refraction index of the low-refraction index layer is smaller than a refraction index of the main body. The low-refraction index layer has a plurality of through holes therein. The through holes are filled with a material, and the refraction index of the material is close to the refraction index of the main body. The collimation lens film is disposed on an upper surface of the low-refraction index layer and has a plurality of lens structures aligned to the through holes respectively for transforming a light beam entering the collimation lens film via the through holes into a parallel light beam projecting upward. | 01-28-2010 |
20100020567 | LIGHT GUIDE SHEET AND MOVABLE CONTACT ASSEMBLY INCLUDING THE SAME - A light guide sheet includes a material sheet having a film shape, first and second illuminations portion provided on the material sheet for diffusing light. The material sheet has a slit having substantially a strip shape provided therein and provided around the first illumination portion. The slit has a first edge and a second edge opposite to the first edge. The first edge faces the first illumination portion. The material sheet includes a first bridge and a second bridge linking the first edge of the first slit to the second edge across the first slit. This light guide sheet provides a movable contact assembly which is easily fabricated and provides preferable illuminating. | 01-28-2010 |
20100053992 | ILLUMINATION SYSTEM AND DISPLAY DEVICE - The invention relates to an illumination system ( | 03-04-2010 |
20100053993 | DISPLAY DEVICE - A display device is provided, which can precisely control a light source by measuring the quantity of light from the light source under uniform conditions. The display device includes a display panel displaying an image, a light source generating light, a light guide plate guiding and providing the light to the display panel, a receptacle accommodating the light source and the light guide plate, an optical sensor fixed to the receptacle to sense the light, a light receiving hole formed at an edge of the receptacle to provide a path through which the light reaches the optical sensor, and an optical adjustment member interposed between the light guide plate and the optical sensor to reduce luminance of the light incident to the optical sensor. The optical sensor is completely exposed to the optical adjustment member through the light receiving hole. | 03-04-2010 |
20100061115 | ONE-WAY SEE-THROUGH ILLUMINATION SYSTEM - A one-way see-through illumination system is constructed from a light guide panel, a front-illuminable image film, and a light injector. The light injector injects light into the light guide panel at a suitable angle for total internal reflection of the injected light at the surfaces of the light guide panel. The image film includes a half-toned front-illuminable image pattern that extracts light from the light guide panel. When active, light from the light guide panel front illuminates the image pattern for viewing by a front-side view, while a back-side viewer can see through the image pattern. | 03-11-2010 |
20100061116 | BACKLIGHT MODULE - A backlight module includes a light guide plate, a light source disposed at a side of the light guide plate, a diffuser sheet positioned over the light guide plate but not directly contacting the light guide plate, and a light mixing space positioned between the light guide plate and the diffuser sheet so that light emitted from the light guide plate efficiently mixes in the light mixing space before entering the diffuser sheet and being emitted out of the backlight module. | 03-11-2010 |
20100067254 | LIGHT GUIDE SHEET AND ELECTRONIC EQUIPMENT UTILIZING THE SAME - A light guide sheet of the present invention includes a silicone rubber sheet | 03-18-2010 |
20100073958 | Illuminating device - An illuminating device for backlighting flat displays, in particular displays for mobile applications, is provided. The illuminating device includes a light source and a light guiding member into which light emitted from the light source is coupled in and is coupled out therefrom at an exit surface. The exit surface has a surface structure including diffractive surface elements for light propagation, wherein all surface elements have a surface structure with a constant amplitude. | 03-25-2010 |
20100085771 | LIGHT GUIDING PLATE - A light guiding plate includes a light guiding plate body and a plurality of total internal reflection destruction materials. The light guiding plate body has a first surface and a second surface opposite to the first surface. The first surface has a first microstructure array. The material of the total internal reflection destruction materials is different from the material of the light guiding body. The total internal reflection destruction materials are unevenly distributed on the first surface and/or the second surface. | 04-08-2010 |
20100091518 | Anti-Glare LED Planar Light Source Adapted For Reading Lamp - An anti-glare LED light source adapted for a reading lamp includes a housing having a good thermal conductivity, a light guide plate, at least one LED module, and an optical film stack. The light guide plate, the at least one LED module, and the optical film stack are disposed in the housing. The optical film stack is configured on a first surface of the light guide plate facing toward an opening of the housing. An optical structure adapted for fetching light thereby is configured at a second surface of the light guide plate. The second surface of the light guide plate faces toward an inside bottom of the housing. The inside bottom of the housing is further provided with a light reflective material. The LED module is disposed at a lateral side of the light guide plate, for projecting light into the light guide plate. | 04-15-2010 |
20100097823 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE - A light guide plate includes a plate-shaped transparent body and a plurality of stripe-shaped planar structures. The plate-shaped transparent body is bent to form a top portion, a bottom portion, and a curved portion connected between the top portion and the bottom portion, and the top portion and the bottom portion are substantially parallel to each other and define a gap therebetween. The stripe-shaped planar structures are connected with each other on an outer surface of the curved portion. | 04-22-2010 |
20100110724 | THIN FILM LIGHT DIFFUSION GUIDE - A light guide device and method for making the same are disclosed. A light guide includes a thin film of light transmitting material, and a light-emitting device connected to a first edge of the thin film. The light guide further includes a printed pattern abutting a first side of the primary guide and comprised of light reflecting ink and arranged to reflect the light from the light emitting device, and a guide frame framing the remaining edges of the primary guide other than the first edge. | 05-06-2010 |
20100118562 | LIGHT-EMITTING ELEMENT AND DISPLAY UNIT HAVING THE SAME - A first light guide plate of a light-emitting element is formed by a plurality of strip-shaped light guide bodies arranged in parallel with each other, where each strip-shaped light guide body has a light incident surface on which light from a light source is incident, and a light-emitting surface from which light from the light incident surface is emitted, and on which a plurality of prisms are formed. A second light guide plate of the light-emitting element is positioned so as to face the light-emitting surface side of the first light guide plate, has prisms formed on a surface of the first light guide plate side in a shape that meshes with a shape of the prisms of the first light guide plate, and is formed by a fewer number of light guide bodies arranged in parallel than the strip-shaped light guide bodies. | 05-13-2010 |
20100124075 | Edge Type Back Light Module and Display Device Using the Same - An edge type back light module and a display device using the same are provided. The edge type back light module includes a light guide plate (LGP), a light source and a frame. The LGP has a light-receiving surface, a light-emitting surface and a light-reflecting surface opposite to the light-emitting surface. The light-emitting surface faces the display panel. The light source is adjacent to the light-receiving surface for emitting a light. The frame has a frame surface and a light guide portion. After a portion of the light contacts the light guide portion, the light guide portion disposed on the frame surface guides the portion of the light to be emitted from the light-emitting surface. A predetermined angle is contained between the outgoing direction of the portion of the light emitted from the light-emitting surface and the normal direction of the light-emitting surface. | 05-20-2010 |
20100135038 | FRONTLIGHTS FOR REFLECTIVE DISPLAYS - A frontlight illuminator arrangement for a reflective display that includes a light guide and a pair of light sources coupled to the light guide at an angle that is neither normal to or orthogonal to a primary axis of the display. The light is internally reflected along the light guide until it is coupled into an optical element of similar refractive index that is adjacent to the light guide in the vicinity of the display. The optical element includes a multi-faceted beam splitter that reflects light back through the light guide onto the display where an image is formed and reflected back through the light guide and beam splitter. | 06-03-2010 |
20100142219 | Structure For Eliminating Bright Line Of Tiled Backlight Module - A structure for eliminating bright lines of a tiled backlight module is provided. The structure includes a light guide plate, and a plurality of light sources. The light guide plate includes a plurality of rows of optical elements. The rows of optical elements extend in parallel. The light sources are provided at least one side of the light guide plate for projecting a light into the light guide plate and generating a regular but non-uniform light outputting performance of the light guide plate. Therefore, a brightness of areas where the optical elements are located is higher than the rest areas, so that the light guide plate achieves a regular but non-uniform light emitting performance. Accordingly, the bright lines occurred at joints between two light guide plates are enshrouded by the high brightness areas, and become hard to identify or even undistinguishable, thus “eliminated”. | 06-10-2010 |
20100157623 | Planar light-emitting apparatus - A planar light-emitting apparatus includes a light source, a light-guiding member configured to allow light from the light source to propagate therethrough, a reflecting member disposed such that the reflecting member faces the light-guiding member, the reflecting member reflecting the light propagating through the light-guiding member, and an adhesive member configured to attach the light-guiding member and the reflecting member to each other. A distribution of an adhesive region of the adhesive member on a surface of the light-guiding member is determined on the basis of a brightness distribution of the planar light-emitting apparatus in the case where the adhesive member is uniformly distributed on the surface of the light-guiding member, and the adhesive member is formed between the light-guiding member and the reflecting member in accordance with the distribution of the adhesive region. | 06-24-2010 |
20100165658 | Light Guide Plate Having Lateral Optical Structures and Backlight Module Having the Light Guide Plate - The present invention discloses a light guide plate and a backlight module having the same. The light guide plate includes a light emitting surface, a light incident surface, a light reflecting surface, and a plurality of prisms disposed on the light reflecting surface. The disposition direction of the prisms can be parallel or perpendicular to the lengthwise direction of the light reflecting surface. An inclined angle may exist between the disposition direction of the prisms and the lengthwise of the light reflecting surface. The backlight module includes a light guide plate, a light source, and an optical film set, wherein the light source is disposed near the light incident surface. The optical film set partially covers the light emitting surface, wherein a distance exists between a vertex of the prism and an edge of the optical film set. | 07-01-2010 |
20100165659 | PLANAR LIGHT GUIDE AND DISPLAY DEVICE INCLUDING THE SAME - A planar light guide includes recesses formed in the upper and lower surfaces thereof. The recesses in the lower surface are perpendicular to the recesses in the upper surface. In a state in which light sources emit light into the planar light guide, when an X-direction driving mechanism is driven and the planar light guide is deformed in the X directions, the recesses in the upper surface are opened, so that the lower surface side can perform surface emission of light. When a Y-direction driving mechanism is driven and the planar light guide is deformed in the Y directions, the recesses in the lower surface are opened, so that the upper surface side can perform surface emission of light. By selectively driving the X-direction driving mechanism or the Y-direction driving mechanism, the position from which light is output, the amount of light, or the direction of light can be changed. | 07-01-2010 |
20100177534 | BACKLIGHT PANEL EMPLOYING WHITE LIGHT EMITTING DIODE HAVING RED PHOSPHOR AND GREEN PHOSPHOR - Disclosed is a backlight panel employing a white light emitting diode. The white light emitting diode includes a blue light emitting diode chip and red and green phosphors positioned over the blue light emitting diode chip. Accordingly, since the backlighting can be performed using white light with distinct red, green and blue wavelengths, the color reproducibility can be enhanced. Further, since the white light can be implemented with a single light emitting diode, the manufacturing costs and thickness of the backlight panel can also be reduced. | 07-15-2010 |
20100177535 | SURFACE ILLUMINATING LIGHT SOURCE DEVICE AND SURFACE ILLUMINATING DEVICE - Uniform illuminating light is obtained on a surface at a prescribed distance from a radiation surface without increasing the thickness in a light radiation direction by using the light from the light source highly efficiently. A surface illuminating light source device is provided with a light source for radiating light; a light guide body propagating light from the light source and having a radiation surface at a prescribed position in the radiation direction; a casing closing the light guide body except the radiation surface and having the light source arranged substantially at the center; an inner reflection section arranged between the casing and the light guide body and having a reflection surface which reflects light propagating inside the light guide body; and a radiation side reflection section having an outer reflection section which is arranged on the radiation surface and has a reflection surface that reflects light propagating inside the light guide body at a prescribed rate and an opening section which is formed on the outer reflection section and through which reflection light reflected at least once on one of the reflection surfaces among the light from the light source passes. | 07-15-2010 |
20100182799 | Planar light-emitting device, panel and display device - A planar light-emitting device includes: a light source; and a light guide member propagating light from the light source, wherein the light guide member is formed so that a light entrance portion on which light from the light source is incident is thicker than a body portion, and the light source includes a light-emitting member and a directivity member narrowing the directivity of light emitted from the light emitting member and allowing the light to be incident on the light entrance portion of the light guide member. | 07-22-2010 |
20100202157 | LIGHT GUIDE FILM AND BACKLIGHT UNIT HAVING THE SAME - A backlight unit includes a light source for emitting light; and a light guide film for directing light emitted from the light source toward a liquid crystal display panel. In the backlight unit, the light guide film includes a polycarbonate (PC) film comprising a plasticizer; and at least one of a reflective layer or an optical layer on at least one surface of the PC film. | 08-12-2010 |
20100208491 | LIGHT EMITTING MODULE AND DISPLAY DEVICE HAVING THE SAME - A light emitting module and a display device including the light emitting module are provided. The light emitting module may include a metal plate, a board, and a plurality of light emitting diodes. The board may be attached to a side surface of the metal plate, and light emitting diodes may be arranged on the board. | 08-19-2010 |
20100208492 | ILLUMINATING APPARATUS AND METHOD FOR MANUFACTURING ILLUMINATING APPARATUS - An illuminating apparatus includes: a light source; and a light guide plate guiding a light of the light source. The light source and the light guide plate are fixed to each other to be receded from a region to which the light is emitted from a light emitting surface of the light source and which is opposite to an emitting surface of the light guide plate. | 08-19-2010 |
20100214802 | ILLUMINATION DEVICE AND DISPLAY DEVICE - An illumination device includes a plurality of light source units ( | 08-26-2010 |
20100220496 | DISPLAY APPARATUS AND METHOD OF ASSEMBLING THE SAME - In a display apparatus and a method of assembling the display apparatus according to one or more embodiments, a printed circuit board is electrically connected to a lower end of a display panel and disposed in a rear surface of a container. A flexible printed circuit board is contained in the container, and light sources are mounted on the flexible printed circuit board. A connection film electrically connecting the printed circuit board and the flexible printed circuit board is disposed on a bottom portion of the container, and one end of the connection film passes through a fixing hole formed through the bottom portion. The one end of the connection film is electrically connected to the printed circuit board disposed in the rear surface. Thus, movement of the connection film may be limited by an inner wall defining the fixing hole. | 09-02-2010 |
20100232177 | LIGHT EMITTING DEVICE PACKAGE AND METHOD OF FABRICATING THE SAME - A light emitting device package and a method of manufacturing the light emitting device package are provided. A base is first provided and a hole is formed on the base. After a light emitting portion is formed on the base, a mold die is placed on the light emitting portion and a molding material is injected through the hole. The mold die is removed to complete the package. | 09-16-2010 |
20100238684 | BACKLIGHT MODULE - A backlight module includes a plurality of first light sources emitting first light and a light guide plate. The first light sources are arranged in a line and spaced from each other. Two adjacent first light sources define a first space therebetween. The light guide plate includes a first light incident surface and a light output surface. The first light incident surface has a plurality of bright areas respectively corresponding to the first light sources and a plurality of dark areas respectively corresponding to the first spaces. A plurality of first reflectors is disposed on the plurality of dark areas of the first incident surface. The light output surface is adjacent and perpendicular to the light incident surface. | 09-23-2010 |
20100246209 | DISPLAY DEVICE - Provided is a display device for an embodiment in which a central axis of a light guide plate (LGP) and a central axis of one or more light sources are matched with each other to maximize efficiency of the light sources, and which has an ultra-slim structure. The display device may include: a display panel which displays an image; an LGP which guides light to the display panel; light sources which are disposed on a side of the LGP and provide light to the LGP; a circuit board which is disposed on a side of the display panel with the light sources mounted on a surface thereof, and driving chips which drive the display panel mounted on an opposite surface thereof; and a frame which houses the LGP and the light sources and on which the circuit board and the display panel are mounted. | 09-30-2010 |
20100246210 | BACKLIGHT UNIT AND DISPLAY UNIT - A backlight unit ( | 09-30-2010 |
20100246211 | PLANAR ILLUMINATION DEVICE - A planar illumination device includes at least one light source, a housing structure, at least one light guide plate, and at least one light exiting surface. The at least one light source is received in the housing structure. The housing structure includes at least one light emitting surface through which the light emitted from the at least one light source exits the at least one housing. The at least one light guide plate includes at least one light incidence surface through which the light enters into the at least one light guide plate, and contacts with the at least one light emitting surface. The light exits the at least one light guide plate through the at least one light exiting surface. The at least one light exiting surface includes a plurality of continuously connected bulge points formed thereon. | 09-30-2010 |
20100254157 | Display Device and Backlight Unit - Disclosed are a display device and a backlight unit. The display device comprises a flexible light guide plate, a light source disposed at one side of the light guide plate, and a support member disposed in opposition to the light guide plate and the light source to support the light guide plate. The support member allows the light source and the light guide plate to have constant interval therebetween, and prevents the light source and the light guide plate from being tilted each other. The display device and the backlight unit ensure improved brightness and brightness uniformity. | 10-07-2010 |
20100259948 | BACKLIGHT MODULE - A backlight module includes a light guide, a mixing light guide plate, and a plurality of light sources. The first light guide comprises a first side surface. The mixing light guide plate comprises an incident surface with anomalous surface and an emergent surface with fog surface. The mixing light guide plate is set on the first side surface. A plurality of light sources disposed corresponding to the incident surface, with light emitted there from and entering the mixing light guide plate through the incident surface then exits the mixing light guide plate through the emergent surface, finally, entering the light guide through the first side surface. | 10-14-2010 |
20100271840 | OPTICAL SHEET, SURFACE LIGHT SOURCE AND DISPLAY DEVICE - An optical sheet is structured to have a translucent substrate | 10-28-2010 |
20100277947 | Light Source Device and Display Device - A light guide body of a light source device includes a first portion where a low intensity distribution area of one light source and another low intensity distribution area of another light source overlap each other, a second portion positioned closer to the one light source than a boundary line connecting boundaries, each of the boundaries being between the first portion and an overlapping portion where a high intensity distribution area of the one light source overlaps with high intensity distribution areas of the light sources, and a third portion other than the second portion. The prism includes a first prism pattern in which a component reflecting the light in the second portion to a side of the first portion is larger than a component reflecting the light in the second portion to a side of the third portion. | 11-04-2010 |
20100277948 | LIGHT EMITTING DEVICE PACKAGE AND METHOD OF FABRICATING THE SAME - A light emitting device package and a method of manufacturing the light emitting device package are provided. A base is first provided and a hole is formed on the base. After a light emitting portion is formed on the base, a mold die is placed on the light emitting portion and a molding material is injected through the hole. The mold die is removed to complete the package. | 11-04-2010 |
20100284202 | BACKLIGHT UNIT - A backlight unit includes a light guide plate and a plurality of light sources. A side of the light guide plate is provided with an optical microstructure including a plurality of convex lens members aligned along the side. The height-to-pitch ratios of the convex lens members in the central region of the optical microstructure are different from those of the convex lens members in the side regions of the optical microstructure. For example, the height-to-pitch ratios of the convex lens members in the central region of the optical microstructure are larger than the height-to-pitch ratios of the convex lens members in the side regions of the optical microstructure. The light sources may be light emitting diodes (LED) directed toward the optical microstructure. | 11-11-2010 |
20100290247 | LIGHT EMITTING APPARATUS AND DISPLAY APPARATUS HAVING THE SAME - Disclosed are a light emitting apparatus and a display apparatus having the same. The light emitting apparatus comprises a light guide plate comprising a groove in a side surface thereof, and a light emitting diode unit, in which at least a portion of the light emitting device unit is inserted into the groove of the light guide plate. | 11-18-2010 |
20100290248 | LIGHTING MODULE, BACKLIGHT UNIT, AND DISPLAY DEVICE INCLUDING THE SAME - Provided are a lighting module, a backlight unit, and a display device including the same. The lighting module may include a substrate, a plurality of light emitting diodes positioned on a first surface of the substrate, and at least one guide protrusion on the first surface of the substrate. The at least one guide protrusion may include a pin protruding from the first surface of the substrate and a cap coupled to the pin. | 11-18-2010 |
20100296310 | BACKLIGHT UNIT OF DISPLAY APPARATUS - A backlight unit of a display apparatus is provided. The backlight unit includes a display housing, a light source which is arranged along an inner circumference the display housing, a light guide plate through which light of the light source is transmitted, and which forms surface light, an optical sheet which is disposed on an upper side of the light guide plate to upwardly diffuse the light of the light source transmitted through the light guide plate, a plurality of first fixing units, each of which fix both the light guide plate and the optical sheet, a plurality of second fixing units which support only the light guide plate, and a support frame which is connected to the display housing to fix the optical sheet to the display housing provisionally, and has a window formed on a surface corresponding to the light guide plate to allow light to pass therethrough. | 11-25-2010 |
20100302800 | Back light module and light guide plate thereof - A light guide plate adapted to a backlight module is provided. The backlight module has a plurality of point light sources providing a light beam of a predetermined wavelength. The light guide plate includes a light emitting surface, a bottom opposite to the light emitting surface, a light incident surface connecting the light emitting surface and the bottom, a plurality of grating structures, and a plurality of diffusion dots. The light incident surface is near the point light sources. The diffusion dots are disposed on the bottom. At least portions of the grating structures are disposed on the light incident surface. Each of the grating structures has a plurality of concave parts and a plurality of protruding parts. Each of the concave parts is disposed between two neighboring protruding parts. A ratio of the predetermined wavelength to a pitch between two neighboring protruding parts is ranged between 1.2 to 1.3. | 12-02-2010 |
20100302801 | LIGHT GUIDE PLATE AND BACKLIGHT SOURCE HAVING SAME - An exemplary light guide plate includes an light incident surface, an light emitting surface, a number of parallel V-shaped structures, and a Fresnel lens portion. The light incident surface is configured for receiving light beams. The light emitting surface is adjacent to the light incident surface, and configured for emission of the light beams. The V-shaped grooves are defined in the light incident surface and arranged perpendicular to the light emitting surface. The Fresnel lens portion is provided on the light incident surface between each two neighboring V-shaped grooves. | 12-02-2010 |
20100302802 | ILLUMINATION DEVICES - Illumination device and methods of making the same are disclosed. In one embodiment, an illumination device includes a light source, a light guide having a first planar surface, a first end and a second end, and a length therebetween, the light guide positioned to receive light from the light source into the light guide first end, and the light guide configured such that light from the light source provided into the first end of the light guide propagates towards the second end, a plurality of light turning features that are configured to reflect light propagating towards the second end of the light guide out of the planar first surface, and one or more light redirection features configured to redirect light within the light guide at more useful angles. | 12-02-2010 |
20100302803 | ILLUMINATION DEVICES AND METHODS OF FABRICATION THEREOF - Illumination devices and methods of making same are disclosed. In one embodiment, an illumination apparatus includes a light source, a light guide having a planar first surface, a first end and a second end, and a length therebetween, the light guide positioned to receive light from the light source into the light guide first end, and the light guide configured such that light from the light source provided into the first end of the light guide propagates towards the second end, and a plurality of light turning features that are configured to reflect light propagating towards the second end of the light guide out of the planar first surface of the light guide, each light turning feature having a turning surface and an interferometric stack formed on the turning surface. | 12-02-2010 |
20100302804 | Surface light emitting apparatus - A surface emitting apparatus includes a light guide plate, a plurality of point light sources, a diffusing member, and a spacer member. The light guide plate has an end surface and a light emitting surface and is configured to allow light incident on the end surface to be emitted from the light emitting surface. The plurality of point light sources is provided to oppose the end surface of the light guide plate. The diffusing member is provided on a light emitting surface side of the light guide plate. The spacer member defines a space between the light emitting surface and the diffusing member such that a distance between the light emitting surface and the diffusing member is larger than a thickness of the light guide plate. | 12-02-2010 |
20110002141 | BACKLIGHT MODULE FOR LIQUID CRYSTAL DISPLAY - A backlight module for a liquid crystal display according to the present invention is provided. The backlight module includes a light guide plate, a light source, a first reflection sheet and a second reflection sheet. The light guide plate has an upper surface, a lower surface, and opposing first and second side surfaces. The light source is disposed on the first side surface of the light guide plate and comprises a plurality of point light sources. The first reflection sheet is disposed on the light source and the upper surface of the light guide plate to reflect light beams emitting from the light source to the light guide plate. The first reflection sheet includes a plurality of first portions, a plurality of second portions and a plurality of protrusion portions, wherein the first portions are positioned corresponding to the light source and arranged alternately with the second portions. The protrusion portions extend from the second portions toward the second side surface of the light guide plate. The second reflection sheet is disposed under the lower surface of the light guide plate. | 01-06-2011 |
20110002142 | FLAT SURFACE LIGHT SOURCE DEVICE AND METHOD FOR MANUFACTURING METALLIC MOLD FOR DIVIDING PRISM - A planar light source device capable of increasing light use efficiency and preventing color breakup without using any reflection polarizing plate nor performing multiple reflection. The planar light source device includes a planar light guide plate, light sources arranged as to be opposed to end surfaces of the light guide plate on its both sides, and a divided prism formed in a back surface inside the light guide plate and that reflects light incident upon the light guide plate from the light sources toward a front surface side of the light guide plate. The divided prism includes a prism portion and a dividing portion both of which have a width equal to or less than the wavelength of light from the light sources and is formed with the prism portion and the dividing portion alternately repeated along a direction parallel to the end surfaces of the light guide plate which are opposed to the light sources. | 01-06-2011 |
20110013416 | LIGHT GUIDE PLATE AND DISPLAY APPARATUS HAVING THE SAME - A light guide plate includes at least one incident surface into which light is incident, an exit surface at least one end of which is connected the incident surface and through which the light is output, an opposite surface spaced apart from the exit surface and opposing the exit surface, and a plurality of reflective patterns extending from the exit surface toward the opposite surface. When a direction from the exit surface to the opposite surface is referred to as a first direction, a direction perpendicular to the incident surface is referred to as a second direction, and a direction parallel to the incident surface and perpendicular to the first direction is referred to as a third direction, a length of each reflective pattern in the first direction is smaller than a distance between the exit surface and the opposite surface, and a length of each reflective pattern in the second direction is larger than a length of each reflective pattern in the third direction. | 01-20-2011 |
20110013417 | LUMINAIRE HAVING A TWO-WAY WAVEGUIDE - A luminaire includes a waveguide having first and second opposing ends and first and second opposing sides between the first and second ends. The waveguide is configured to totally internally reflect light propagating through the waveguide in a first direction and direct light propagating through the waveguide in a second direction through at least one of the first and second sides. A reflective body is coupled to the second end of the waveguide and configured to reflect light propagating towards the second end of the waveguide such that the light propagates towards the first end of the waveguide. | 01-20-2011 |
20110013418 | Apparatus for Efficiently Coupling Light from a Light Source into a Thin Object - An apparatus for efficiently coupling light from a light source into a thin object such as a rod or a sheet is disclosed. In an embodiment, the apparatus comprises a sheet and a linear light source placed along the edge of the sheet. The light from linear light source is coupled into the sheet using one or more concentrator blocks. In another embodiment, the apparatus comprises a rod and a point light source placed near one end of the rod. The light from point light source is coupled into the rod using one or more concentrator blocks. | 01-20-2011 |
20110019434 | SIDELIGHT-TYPE BACKLIGHT MODULE - A sidelight-type backlight module includes a casing body, a light-guiding plate, a reflector plate, a light-emitting unit, and a reflector component. The reflector plate is disposed at a surface of the light-guiding plate, and has an extension part extending beyond a side edge of the light-guiding plate that faces toward the light-emitting unit. The reflector component has a light-reflecting face spaced apart from the reflector plate. The light-emitting unit is disposed between the extension part and the light-reflecting face. The extension part and the light-reflecting face reflect light of the light-emitting unit into the light-guiding plate so that a lamp reflector can be omitted. Preferably, the reflector component is formed integrally with the casing body. | 01-27-2011 |
20110032727 | BACKLIGHT REFLECTORS HAVING A PRISMATIC STRUCTURE - A back reflector for a lightguide in a turning film backlight includes a prism film layer in direct contact with a reflective layer. The lightguide includes a light guiding region having a refractive index that is substantially spatially uniform. The reflective layer may be specular or diffuse and may include a multilayer polymeric film. | 02-10-2011 |
20110032728 | Light Source Device, and Display Apparatus Provided with Such Light Source Device - A light source device includes a first light source group, a second light source group, a light guide body, and a light diffusion body. The light guide body includes a high light distribution region and a low light distribution region generated by the respective light sources of the second light source group. The high light distribution region includes a plurality of first portions. The low light distribution region includes a second portion between the first portions and a third portion. The presence ratio of the light diffusion body | 02-10-2011 |
20110044071 | Display Device - A display device includes a light source assembly, a light guide plate (LGP), a lower receiving container, a reinforcing member, a display panel and an upper receiving container. The lower receiving container includes a first coupling portion formed on the first bottom surface. The reinforcing member includes a pressing down part structured to pressing down on an upper surface adjacent to a corner portion of the LGP and a fixing part integrally extending from an end portion of the pressing down part in parallel with a first sidewall of the lower receiving container to have a second coupling portion being coupled with the first coupling portion. The reinforcing member covers the light source assembly. The display panel is disposed on the LGP and the reinforcing member. The upper receiving container includes a third coupling portion coupled to the first coupling portion and the second coupling portion through a coupling member. | 02-24-2011 |
20110044072 | BACKLIGHT MODULE AND LIGHT GUIDE UNIT - A light guide unit includes a light transmissive base, a plurality of scattering particles, and a plurality of reflective particles. The light transmissive base includes a scattering region and a reflective region. The scattering region has a light emitting surface, a boundary surface, and a light incident surface. The reflective region includes a lamp cover portion and a bottom portion. The lamp cover portion is disposed beside the light incident surface. The bottom portion is disposed at one side of the boundary surface and connected with the scattering region through the boundary surface. The light transmissive base is integrally formed. The scattering particles are doped in the scattering region, and the reflective particles are doped in the reflective region. The number density of the scattering particles in the scattering region is less than that of the reflective particles in the reflective region. A backlight module is also provided. | 02-24-2011 |
20110051455 | ILLUMINATION PANEL - An illumination panel includes: a light-collecting section for collecting light emitted from a light source; an optical guide for optically guiding the light collected by the light-collecting section in a direction away from the light source; and a radiation section for radiating the light optically guided by the optical guide; wherein the optical guide has a plurality of grooves for reflecting the light optically guided by the optical guide to the radiation section. | 03-03-2011 |
20110075442 | PORTABLE ELECTRONIC DEVICE - A portable electronic device includes a motherboard including at least one illuminator disposed thereon, a display screen parallel to the motherboard, and a light guide component disposed between the illuminator and the display screen. The light guide component includes a main body attached to a bottom surface of the display screen, and at least one foot portion extending from an edge of the main body corresponding to the at least one illuminator. The main body includes a light output surface facing the display screen. Each foot portion includes a distal end surface facing the illuminator to receive light emitted therefrom. | 03-31-2011 |
20110075443 | LIGHT EMITTING UNIT, BACKLIGHT MODULE AND DISPLAY DEVICE - A light emitting unit includes a light bar set, a connecting mechanism and a closed-loop terminal. The light bar set includes a plurality of light bars, wherein each light bar includes a plurality of light emitting elements and a circuit board, and the light emitting elements are disposed on the circuit board. The connecting mechanism includes a plurality of connecting elements for electrically connecting the first one to the last one of the light bars in order. The connecting mechanism has a front end and a rear end. The closed-loop terminal is electrically connected to the rear end of the connecting mechanism, whereby the light bar set, the connecting mechanism and the closed-loop terminal are formed to a closed loop. | 03-31-2011 |
20110085349 | OPTICAL FILM AND BACK LIGHT MODULE - An optical film includes a body and a plurality of first linear protrusions. The body has a first surface and a second surface opposite to the first surface. The first linear protrusions are disposed on the first surface, and each first linear protrusion is extended along a first direction and has a first curvy ridge line departing from the first surface, wherein the first curvy ridge lines are concave towards a fixed direction. When the first curvy ridge line is located on a suppositional plan, the suppositional plan is not parallel to the first surface. The above-mentioned optical film is not easy to be worn. | 04-14-2011 |
20110085350 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE - A light guide plate includes a transparent substrate and a plurality of micro structures. The transparent substrate has a first surface and a second surface opposite the first surface, and the micro structures are disposed at least on the first surface of the transparent substrate and are separate from each other. Each of the micro structures includes a first coating layer and a second coating layer. The first coating layer is formed on the first surface and includes an adhesive material. The second coating layer is formed on at least a part of the first coating layer and includes a light-diffusing material. | 04-14-2011 |
20110103089 | LIGHT EMITTING APPARATUS AND DISPLAY APPARATUS HAVING THE SAME - A light emitting apparatus includes an array module including a first light emitting device which emits a light of a second color tinged with a first color, and a second light emitting device which emits a light of a fourth color tinged with a third color complementary to the first color of lights emitted from the first light emitting device. | 05-05-2011 |
20110110115 | PLANAR LIGHT EMITTING DEVICE - A planar light emitting device (PLED) includes: a light guide plate (LGP) having upper/lower surfaces; a light source substrate (LSS) mounted with a point light source parallel with a side end of the LGP; a first chassis covering a back of the LSS and a lower surface of the LGP in parallel; and a second chassis having an emission opening; a light source member in a side surface of the PLED; and a fixing member on the side of the PLED with an inclined portion. The inclined portion of the fixing member is formed so pressing the fixing member moves the LGP toward the LSS, which is fixed between the side end of the LGP and the first chassis. Removing the fixing member forms a gap between the LSS and the side end surface of the LGP or the first chassis, and the LSS can exit the LSS take-out portion. | 05-12-2011 |
20110122649 | Method And Structure For Uniforming Light Emitted From Backlight Module - A method and a structure for improving the uniformity light emitted from a backlight module are provided. In accordance with the present invention, a plurality of optical microstructures are intermittently distributed on an LGP of a backlight module. Each of the microstructures further includes a plurality of optical sub-microstructures. The optical microstructures and the optical sub-microstructures are distributed on the LGP with varied distribution intensities in three dimensions, such that at where the optical microstructures and the optical sub-microstructures are distributed with a larger distribution intensities the LGP refracts and reflects more light, and at where the optical microstructures and the optical sub-microstructures are distributed with a smaller distribution intensities the LGP refracts and reflects less light. In such a way, by designing particular distribution intensities of the optical microstructures and the optical sub-microstructures, the light emitted from the LGP can be uniformed. | 05-26-2011 |
20110122650 | Backlight unit and display device using same - A backlight unit arranged at the rear side of a liquid crystal panel for illuminating the liquid crystal panel. The backlight unit includes a light source for emitting light and a light guide plate. The light guide plate includes a light incident surface on which the light emitted from the light source is incident, a main reflection surface for internally reflecting the light incident on the light incident surface and a light launching surface from which the light reflected by the main reflection surface is launched toward the liquid crystal panel. The backlight unit further includes a frame for supporting the light guide plate and a substrate arranged at the opposite side of the frame from the liquid crystal panel and mounted with electronic parts. The light source is mounted to the substrate. | 05-26-2011 |
20110128756 | BACKLIGHT ASSEMBLY - A backlight assembly includes a plurality of point light sources, a light guide plate (“LGP”) and a printed circuit board (“PCB”). The LGP has a light incident face in which light is incident, a side surface extending from an edge portion of the light incident face, and a fixing groove which is formed from the side surface toward an inner portion thereof. The PCB includes a point light source disposing portion in which the point light sources are disposed along a first direction, an extending portion extending from the point light disposing portion along a second direction substantially perpendicular to the first direction, and a protrusion which is fixed at an end portion of the extending portion. The protrusion of the PCB is coupled with the fixing groove of the LGP. | 06-02-2011 |
20110141764 | BACKLIGHT MODULE - A backlight module is provided. The backlight module has a reflective chamber and a light source. The reflective chamber includes a bottom reflector, a top reflector, at least a light entrance, and a plurality of light emitting openings disposed on the top reflector. The light source is disposed corresponding to the light entrance. The number of the light emitting openings per unit area in a region near the light source is less than the number of the light emitting openings per unit area in another region far from the light source. | 06-16-2011 |
20110141765 | PLANAR LIGHT SOURCE MODULE AND OPTICAL FILM - A planar light source module including a light guide plate (LGP), a light source, an optical film, and a reflector is provided. The light source for emitting a light beam is disposed adjacent to the side light-incident surface, wherein the light beam enters the LGP from a side light-incident surface and leaves the LGP from a light-emergence surface in an emergence angle θ1, θ1≧70 degrees. The optical film is disposed above the LGP to collimate the light beam from the LGP. The optical film includes a prism layer module and a bonding layer module stacked alternately. The prism layer module comprises prism layers and each prism layer includes micro-prisms. The bonding layer module comprises at least one bonding layer bonded with two prism layers adjacent thereto. The refraction index of the prism layers is greater than that of the bonding layer. The reflector is disposed under the bottom surface. | 06-16-2011 |
20110149594 | Light-emitting device, light source and method of manufacturing the same - A light-emitting device includes a light source including an element mounting substrate, an LED element mounted thereon by flip-chip connection and a sealing portion for sealing the LED element on the element mounting substrate, and a light guide plate including a housing hole for housing the light source. The housing hole extends from one surface side to another surface side of the light guide plate and an area of an inner surface thereof on which light is incident from the light source is parallel to a thickness direction of the light guide plate. The light source is housed in the housing hole so that the element mounting substrate is located on the other surface side of the light guide plate, emits light toward the one surface side of the light guide plate in the housing hole and the inner surface side of the housing hole, and has an optical axis parallel to the thickness direction of the light guide plate. A solid angle of the inner surface of the housing hole with respect to the center of an upper surface of the light source is not less than 4.44 steradians. | 06-23-2011 |
20110149595 | LIGHT GUIDE PLATE, BACKLIGHT MODULE AND METHOD OF GUIDING LIGHT - A light guide plate, backlight module installed with the same and method of guiding light utilizing the same are provided. The light guide plate has a bottom surface, a light outlet surface opposite to the bottom surface, and a light inlet surface at least connected with the light outlet surface. A light is introduced to the light inlet surface and transmitted in the light guide plate. The light guide plate comprises a light transmissive substrate installed with at least one through hole, and a first slot installed on the light transmissive substrate and arranged at the periphery of the through hole. | 06-23-2011 |
20110157912 | LIGHT GUIDE PLATE AND RELATED BACKLIGHT MODULE - An array of first micro-structures is formed on a bottom surface of a light guide plate and a number of randomly positioned second micro-structures are formed on an emitting surface of the light guide plate substantially opposite to the bottom surface. The first micro-structure is larger than the second micro-structure. The density of the first micro-structures is smaller than that of the second micro-structures. | 06-30-2011 |
20110157913 | LIGHT GUIDE PLATE, DISPLAY APPARATUS HAVING THE SAME, AND METHOD OF MANUFACTURING THE SAME - A light guide plate includes an incident surface receiving incident light from a light source, an exit section that outputs exit light having a light distribution different from a light distribution of the incident light and a reflective section opposite to the exit section. A plurality of first patterns are formed on the exit section while being arranged in a first direction of the exit section to distribute the exit light with maximum brightness in a direction perpendicular to the exit section. A plurality of second patterns are formed on the reflective section to scatter the incident light. | 06-30-2011 |
20110164431 | Suppression of color mixing in UV LED based color pixel backlight for liquid crystal display - A ultra-violet based color pixel backlight system for color filter-less Liquid Crystal Display, comprising multiplicity of LEDs, emitting UV or NUV light in the wavelength range of 150 nm to 390 nm, assembled at one edge of a UV transmitting light guide, which has other three edges and bottom surface coated with UV reflecting layer and its top surface etched with UV and NUV extracting pixel patterns that contain phosphors that emit different colors of light in red, blue and green region when excited by UV or NUV light. The etched pixels contain Aluminum islands underneath the phosphor layers to reflect the visible rays generated by the phosphors of the pixel and suppress the visible light leaving the pixel as well as suppress the visible light from adjacent pixel entering the pixel. Thus suppressing the color mixing that could occur without the incorporation of Al islands. LCD without color pixels, a micro-lens sheet and the light guide with color pixels are placed in substantial alignment to provide a color pixel backlight system for LCD. Thus red, blue and green pixels of light from the light guide passes through the intended red, blue and green pixels of the color filter-less LCD, resulting in color pixel backlighting that enhances the optical efficiency of LCD. | 07-07-2011 |
20110176327 | Planar lighting device and a method of producing the same - A planar lighting device in which transmittance adjusting members are not provided in a region extending a distance of Lmfp from an end of the light guide plate closer to the light entrance plane in a direction normal to the light entrance plane, where Lmfp is a mean free path of luminous flux emitted from the light source and admitted in the light guide plate through the light entrance plane. | 07-21-2011 |
20110176328 | UV LED Based color pixel backlight incorporating quantum dots for increasing color gamut of LCD - A ultra-violet based color pixel backlight system for color filter-less Liquid Crystal Display, comprising multiplicity of LEDs, emitting UV or NUV light in the wavelength range of 150 nm to 390 nm, assembled at one edge of a UV transmitting light guide, which has other three edges and bottom surface coated with UV reflecting layer and its top surface roughened with UV and NUV extracting pixel patterns that contain layers of quantum dots that emit different colors of light in red, blue and green region with sharp spectrum, to increase the color gamut on LCD screen, upon excitation by UV or NUV light. The formed pixels contain reflective islands, underneath the layers of quantum dots, to reflect the visible rays, generated by the pixelated quantum dots, towards the LCD and suppress the visible light leaving the pixel as well as suppress the visible light from adjacent pixels entering the pixel. Thus suppressing the color mixing that could occur without the incorporation of reflective islands. LCD without color filters, a micro-lens sheet and the light guide with color pixels are placed in substantial alignment to provide a color pixel backlight system for LCD. Thus red, blue and green pixels of light from the light guide passes through the intended red, blue and green pixels of the color filter-less LCD, resulting in color pixel backlighting that enhances the optical efficiency of LCD as well as the color gamut on LCD screen. | 07-21-2011 |
20110188263 | BACKLIGHT ASSEMBLY AND DISPLAY DEVICE HAVING THE SAME - Provided are a backlight assembly and a display device having the same. The backlight assembly includes; a light guide plate (“LGP”) having a light incident portion upon which light is incident and an opposite portion which is disposed substantially opposite to the light incident portion, a lower housing which accommodates the LGP therein, and at least one LGP fixing tape which fixes the LGP into the lower housing, wherein the at least one LGP fixing tape is interposed between the lower housing and lower surfaces of two opposite ends of the light incident portion of the LGP. | 08-04-2011 |
20110194305 | DECORATION PANEL - A light guide module capable of illuminating and being applied in a device for decoration is provided. The light guide module includes a reflective layer, a light guide with a plurality of diffusing particles, and a light source. The light guide has a side surface, a reflective surface and a light-exiting surface, thereby allowing a light from the light source to enter and reflect and exit the light guide respectively. The reflective layer is disposed on the reflective surface of the light guide for reflecting the light to the light-exiting surface. The light guide forms a portion of an outer surface of the device. | 08-11-2011 |
20110199783 | Light Guide Plate and Back Light Module Having the Same - The present invention relates to a light guide plate and back light module having the same. The light guide plate includes a light guide plate body and a plurality of microreliefs. The light guide plate body has a light-emitting surface and a reflecting surface. The microreliefs are disposed on the reflecting surface. Each of the microreliefs has an outer surface and a base area. The outer surface is a curved surface, and the base area contacts the reflecting surface. A ratio of the totally height of each of the microreliefs to the diameter of the base area of each of the microreliefs is between 1/7 and ¼. As a result, the light guide plate has higher light extraction efficiency. | 08-18-2011 |
20110205754 | BACKLIGHT UNIT AND DISPLAY DEVICE - Disclosed are a backlight unit and a display device. The backlight unit includes a bottom cover, a light emitting module including a plurality of light sources in the bottom cover, a light guide plate at one side of the light emitting module in the bottom cover, an optical sheet on the light guide plate, a support member coupled with the bottom cover, in which a part of the support member is placed on the optical sheet to make contact with a top surface of the optical sheet so that a bottom surface of the optical sheet contacts to the light guide plate, a top cover provided on the support member and coupled with the bottom cover. The light sources are interposed between the support member and the bottom cover. | 08-25-2011 |
20110205755 | SURFACE LIGHT SOURCE DEVICE AND DISPLAY DEVICE - Provided is a surface light source device including a light guide plate, and at least one point light source that is disposed to be adjacent to an incidence surface of the light guide plate and irradiates the incidence surface with a light beam. The light guide plate includes, at least at a position at which the point light source is disposed, at least one projection projecting from the incidence surface toward a direction in which the point light source is disposed. | 08-25-2011 |
20110211365 | LIGHT GUIDE PLATE, AND BACKLIGHT UNIT - Provided are a light guide plate and a backlight unit. The backlight unit includes A light guide plate comprising a first light guide member having a first inclined plane and a second light guide member having a second inclined plane and having a refractive index different from that of the first light guide member, and the first light guide member located on the second light guide member to face the first inclined plane and the second inclined plane; an optical member on the light guide plate; a first light emitting module located at a lateral surface of the first light guide member; a second light emitting module located at a lateral surface of the second light guide member; and a reflective member located below the second light guide member. | 09-01-2011 |
20110216554 | LIGHT EMITTING DEVICE - An embodiment of the invention provides a light emitting device in which a semiconductor laser diode is used as a light source to efficiently obtain visible light having high uniformity of a luminance distribution. The light emitting device has a semiconductor laser diode that emits a laser beam. And the device has a light guide component that includes an upper surface, a lower surface, two side faces opposite each other, and two end faces opposite each other, the laser beam being incident from a first end face of the light guide component, the light guide component having indentation in the lower surface, the laser beam being reflected by the lower surface and emitted in an upper surface direction. The light emitting device also has a luminous component that is provided on an upper surface side of the light guide component and absorbs the laser beam emitted from the light guide component and emits visible light. And the device has a substance that is in contact with the lower surface and two side faces of the light guide component, a refractive index of the substance being lower than that of the light guide component. | 09-08-2011 |
20110228556 | LIGHT SOURCE MODULE - A light source module including a light guide plate (LGP) and a light source device is provided. The LGP has a light exiting surface, a light reflecting surface opposite to the light exiting surface and at least one light entering surface connecting the light exiting surface and the light reflecting surface. The LGP has light reflective structures disposed on the light reflecting surface and each including a closed light active region and protrusions disposed in the light active region. The light active region and the light reflecting surface are not coplanar. The protrusions extend outward from the LGP. The light source device is disposed corresponding to the light entering surface. The light source device provides a light entering the LGP from the light entering surface and exiting the LGP from the light exiting surface after the light is redirected by one of the protrusions on the light reflecting surface. | 09-22-2011 |
20110235362 | LIGHT CONCENTRATION DEVICE AND RELATED BACKLIGHT MODULE - A light concentration device includes a light concentration plate. The light concentration plate has a first surface and a second surface facing away from the first surface. The light concentration plate defines a number of through holes running through the first surface and the second surface. The light concentration plate has a number of inner surfaces in the respective through holes. Each of the through holes tapers from the second surface to the first surface. The inner surfaces and at least one of the first and second surfaces are reflective surfaces. | 09-29-2011 |
20110235363 | LIGHT EMITTING DEVICE AND LIGHT UNIT HAVING THE SAME - Disclosed are a light emitting device and a light unit having the same. The light emitting device includes a body; a first light emitting diode for emitting a light having a first main peak in a wavelength range of a first color; a second light emitting diode for emitting a light having a second main peak in the wavelength range of the first color; and a plurality of lead electrodes electrically connected to at least one of the first and second light emitting diodes on the body. The first main peak of the first light emitting diode and the second main peak of the second light emitting diode have a wavelength difference of at least 75% based on the wavelength range of the first color. | 09-29-2011 |
20110242838 | DIFFUSION BAR WITH SPACER COLLAR RING - The present invention provides an integrated backlight illumination assembly for an LCD display comprising, a plurality of solid state light sources for providing a point light source and a plurality of light guide films having light redirecting areas provided between the plurality of solid state light sources for redirecting and spreading the point light sources to a uniform plane of light. The invention further provides at least one polymer diffusion bar covering said solid state light sources and spacer collar rings comprising an optical spacer, collar section and an anchoring feature, wherein the spacer collar rings are located around a perimeter of the diffusion bar. | 10-06-2011 |
20110242839 | NVIS COMPATIBLE BACKLIGHT DEVICE AND LCD USING THE SAME - A backlight device for a liquid crystal display containing a substantially planar light guide with a light emission surface and a light-collecting portion opposing the light emission surface. A pair of opposing side portions may define the periphery of the light guide. A first plurality of LEDs are placed so as to direct the emitted light into the light-collecting portion. An NVIS filter is preferably placed adjacent to at least one of the side portions. A second plurality of LEDs are placed to direct the emitted light through the NVIS filter and into a side portion of the light guide. Alternative embodiments can contain NVIS filters and LEDs along additional edge portions of the light guide. Some embodiments may use directing elements or slanted surfaces of the light guide to direct the light from the second plurality of LEDs into the edge portions of the light guide. | 10-06-2011 |
20110242840 | LIGHT EMITTING DEVICE AND LIGHT UNIT HAVING THE SAME - Disclosed are a light emitting device and a light unit including the same. The light emitting device includes a body having a cavity with an open upper portion, a protrusion protruding from an upper portion of the body, a plurality of lead electrodes in the cavity, and a light emitting diode provided in the cavity and electrically connected to the lead electrodes. | 10-06-2011 |
20110242841 | BACKLIGHT MODULE - The present invention relates to a backlight module and a manufacturing method thereof. The backlight module comprises a thin film unit, a light guide unit, an insulation layer and at least a light source. The thin film unit is installed with a first circuit. The light guide unit is installed with a second circuit. The insulation layer is installed between the thin film unit and the light guide unit. The light source is electrically connected to the first circuit, and the light thereof projects into the light guide unit. | 10-06-2011 |
20110242842 | BACK LIGHT UNIT - A back light unit including a light emitting device assembly is disclosed. The light emitting device assembly includes a light emitting device module having a light emitting device, a light guide plate having a light incidence part disposed adjacent to the light emitting device module so that light generated from the light emitting device is incident upon the light incidence part and a light emission part from which the incident light is emitted, a reflective sheet provided at one side of the light guide plate, and a light adjustment part extending from the reflective sheet for adjusting a reflection amount of the light emitted from the light guide plate. | 10-06-2011 |
20110249468 | LIGHT EMITTING DEVICE AND LIGHT EMITTING DEVICE PACKAGE - A light emitting device includes a light emitting structure comprising a first conductivity type semiconductor layer, a second conductivity type semiconductor layer and an active layer disposed between the first conductivity type semiconductor layer and the second conductivity type semiconductor layer to emit a light of a first wavelength; and a re-emission layer disposed on the light emitting structure, the re-emission layer comprising a nitride semiconductor, wherein the re-emission layer absorbs the light of the first wavelength range and the re-emission layer emits a light of a second wavelength range longer than the first wavelength range, and the re-emission layer is configured of multi layers having different indium (In) compositions, respectively, and the indium content in the multi-layer is largest in a top layer of the multi-layers. | 10-13-2011 |
20110255302 | LIGHT GUIDE PANEL ASSEMBLIES - A light guide panel assembly ( | 10-20-2011 |
20110255303 | ILLUMINATION DEVICE COMPRISING A FILM-BASED LIGHTGUIDE - A light emitting device includes a film lightguide. The lightguide includes a lightguide region and an array of coupling lightguides continuous with the lightguide region, each terminating in a bounding edge and folded such that the bounding edges define a light input surface. A light source emits light into the light input surface. Light propagates within each coupling lightguide to the lightguide region, with light from each coupling lightguide combining with light from one or more other coupling lightguides and totally internally reflecting within the lightguide region. One or more light extraction features frustrate the totally internally reflected light such that light exits the lightguide in a light emitting region. | 10-20-2011 |
20110267837 | BACKLIGHT UNIT AND DISPLAY DEVICE HAVING THE SAME - A backlight unit is disclosed. The backlight unit includes a light emitting device array including a plurality of light emitting devices, an optical sheet to transmit light emitted from the light emitting device array, a frame to support the light emitting device array and the optical sheet, and at least two heat dissipating members placed on the frame in an emission direction of light from the light emitting device array. The heat dissipating member disposed at the center has a greater area than the heat dissipating member disposed at the perimeter. | 11-03-2011 |
20110267838 | Optic System for Light Guide with Controlled Output - A light guide with optics guides light exiting the guide. The device achieves accurate control of the reflected light by extracting light from a limited area of the light guide. The configuration of the reflectors used for the selective extraction determines the nature of the output light. The reflectors may be located on a side of the light guide opposite to an output side of the light guide. | 11-03-2011 |
20110273902 | BACKLIGHT MODULE - A backlight module includes a light guide plate and at least one light source. The light guide plate has a first light-emitting surface, a second light-emitting surface opposite the first light-emitting surface, and at least one side surface connected between the first light-emitting surface and the second light-emitting surface. The light guide plate has a first substance and a second substance surrounding the first substance, and the second substance is different to the first substance to form at least a first light reflecting/diffusing interface and a second light reflecting/diffusing interface. A light beam emitted by the light source is deflected by the first light reflecting/diffusing interface and output via the first light-emitting surface, and a light beam emitted by the light source is deflected by the second light reflecting/diffusing interface and output via the second light-emitting surface. | 11-10-2011 |
20110273903 | PLANAR LIGHT-EMITTING DEVICE - A planar light-emitting device includes a light source element and a light guide plate. The light source element is configured to emit light. The light guide plate has a housing hole, a light-emitting face and a light reflecting face. The housing hole houses the light source element. The light reflecting face is formed along a side end portion of the light guide plate. The light reflecting face has an inclined portion that is located next to the housing hole in a first direction of the light guide plate and a flat portion that is located next to the inclined portion in a second direction that is perpendicular to the first direction. The inclined portion has an inclination angle with respect to the flat portion such that the light reflected on the inclined portion is prevented from returning the housing hole. | 11-10-2011 |
20110273904 | LIGHT SOURCE STRUCTURE - A light source structure includes a light-emitting diode, an optical component, a frame and a mounting substrate. The light-emitting diode emits light. The frame has an inside face defining an inside area and outside face with an attachment opening extending between the inside and outside faces. The light-emitting diode is disposed in the attachment opening to emit the light toward the inside area of the frame. The frame houses the optical component in the inside area of the frame. The mounting substrate has a base member, a copper layer that is laminated on the base member, and a resist film that is laminated on the copper layer. The resist film has a first aperture with the light-emitting diode extending through the first aperture such that the light-emitting diode is electrically coupled to and mounted on the copper layer. The mounting substrate is disposed on the outside face of the frame. | 11-10-2011 |
20110280042 | MICROPERFORATION ILLUMINATION - Methods and aparatuses disclosed herein relate to backlit visual display elements. A visual display element may include a base layer defining one or more microperforations and a light guide coupled to a light source. The light guide may be positioned adjacent the base layer and include one or more microlenses in alignment with the one or more microperforations along at least one vertical axis. | 11-17-2011 |
20110280043 | CAVITY REFLECTOR LIGHT INJECTION FOR FLAT PANEL DISPLAYS - A light mixing system includes a transparent waveguide having a reflectorized edge, a light input edge and a light output edge opposite the reflectorized edge. The light input edge receives light of different colors from two or more light sources. The received light of different colors is totally internally reflected from opposite major surfaces of the waveguide. Formed inside the waveguide are a plurality of cavities bounded by walls substantially parallel to the edges and substantially orthogonal to the major surfaces of the waveguide. Interaction of the received light of different colors with one or more of the cavities and the reflectorized edge mixes the light of different colors before exiting the light output edge. | 11-17-2011 |
20110286235 | BACKLIGHT MODULE - A backlight module includes a back plate, a light guide plate, a heat insulation layer, a heat dissipation member, and a light source device. The back plate has a first surface, a second surface opposite to the first surface, and an opening passing through the back plate. The light guide plate is disposed on the first surface, the heat insulation layer is disposed on the second surface, and the heat dissipation member is disposed on the heat insulation layer. The light source device is connected to the heat dissipation member and protrudes from the first surface to face the light guide plate through the opening. | 11-24-2011 |
20110286236 | Light Source with Light Recovery Mechanism - A light source with a light recovery mechanism is disclosed. In one embodiment, the system comprises a light source placed within a mirrored enclosure. The light source is used to illuminate a light guide. All of the light entering the light N guide might not be utilized. Some of the light might get reflected back in the direction of the light source, or may travel to the other end of the light guide. The mirrored enclosure of the light source reflects this light back into the light guide. Thus the light source placed within a mirrored enclosure acts as a light source emitting light into a light guide and also redirects light coming out of the light guide back into the light guide. | 11-24-2011 |
20110286237 | SURFACE LIGHT SOURCE DEVICE - A light guide plate is formed of a light introducing part positioned to face a point light source for confining light and a light guide plate body having a thickness smaller than the thickness of an end of the light introducing part on a point light source side and causing the confined light to be output from a light exit surface to outside. The light introducing part has an inclined surface, and a directivity conversion pattern formed on the inclined surface. The directivity conversion pattern is configured by arranging V grooves in parallel to each other, each having a vertical angle of 120°, and each extends in a direction approximately perpendicular to a light incidence end face of the light guide plate. The length of the inclined surface in a inclination direction where part of light incident to the light introducing part enters the inclined surface at least twice. | 11-24-2011 |
20110286238 | SURFACE LIGHT SOURCE DEVICE - A light guide plate includes a light introducing portion which is positioned facing a point light source and which confines light, and a light guide plate body which is thinner than a maximum thickness of the light introducing portion and which causes a light exit means to emit the confined light outward. The light introducing portion has an inclined face which is inclined from a portion having the maximum thickness to a surface of the light guide plate body. The inclined face includes a directivity converting pattern for converting a directional characteristic of the light that has entered the light introducing portion. The directivity converting pattern's structure includes a plurality of V-shaped grooves. An inscribed circle of the directivity converting pattern passes through both ends of a light exit window of the point light source. | 11-24-2011 |
20110292678 | LED BACKLIGHT MODULE - An LED backlight module includes at least one LED and a light guide plate. The light guide plate includes a light incident surface, a light emitting surface connected to the light incident surface, and a bottom surface parallel to the light emitting surface. The at least one LED is placed on the light incident surface and spaced at regular intervals. The light from the at least one LED enters the light guide plate from the light incident surface and is reflected to the light emitting surface by the bottom surface. The light guide plate defines a plurality of concave dots on the bottom surface. The bottom surface is divided into a plurality of discontinuous dot zones. In the dot zone closest to the incident surface, proximity of the dot to the LED decreases the depth and the distribution density of the dots. | 12-01-2011 |
20110299296 | BACKLIGHT MODULE AND HEAT DISSIPATION MODULE - A backlight module includes a back plate having a trench, a light guide plate disposed on the back plate, a reflecting sheet disposed between the back plate and the light guide plate, a heat dissipation module, and a light emitting element. The heat dissipation module includes a heat dissipation element, a heat conducting element, and a position-limiting element. The heat dissipation element is disposed on the back plate. The heat conducting element is disposed in the trench. One end of the heat conducting element is aligned with the heat dissipation element. The first position-limiting element is detachably assembled in the trench and supports the reflecting sheet. One section of the heat conducting element is pressed onto a bottom wall of the trench by the first position-limiting element. The light emitting element is disposed on the heat dissipation element and faces one side of the light guide plate. | 12-08-2011 |
20120002437 | AREA LIGHT SOURCE DEVICE - An area light source device has a light guide plate including a light incident end face, a light guide plate main body thinner than a thickness of the light incident end face, and a light introducing unit formed in continuation with the light guide plate main body and so that thickness gradually becomes thinner from the light incident end face side towards the light guide plate main body side, a light source arranged at a position facing the light incident end face, a diffuser plate and one or more prism sheets arranged on a surface on a light emission side of the light guide plate main body, and a light shielding sheet arranged on an upper side of the diffuser plate and the prism sheet in a region excluding a light emitting region of the light guide plate main body. | 01-05-2012 |
20120002438 | LIGHT GUIDES - This invention relates to light guide devices 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. | 01-05-2012 |
20120008337 | BACKLIGHT UNIT AND DISPLAY DEVICE THEREWITH - A backlight unit includes a bottom cover, a first heat sink portion disposed on the bottom cover, a second heat sink portion extended upward with respect to the first heat sink portion, and at least a portion of a light emission module placed in at least one recess or at least one hole of the first heat sink portion, and the light emission module disposed on the second heat sink portion. | 01-12-2012 |
20120008338 | LIGHT EMITTER - Provided is a surface light emitter that supplies light using a light guide method, and ensures transparency by lowering a haze value in a thickness direction at the time when a light source is turned off, and enables highly efficient light emission by using plate-surface transversal radiant emitted light at the time when the light source is on. A surface light emitter ( | 01-12-2012 |
20120014129 | OPTICAL COMPONENT, BACKLIGHT MODULE AND DISPLAY APPARATUS USING SAME - An optical component is provided in the present disclosure. The optical component, which can be used in a backlight module or a display apparatus, comprises a substrate and optical medium poles embedded in the substrate. A refractive index difference between the substrate and the optical medium poles is greater than 0.4. A backlight module and a display apparatus are also provided. | 01-19-2012 |
20120014130 | LIGHT FILTERED KEY TOP BEZEL - The present invention provides a light emitting key-top having stealth effect outlook. Particularly, the printing of background colours black, predetermined pattern printing blue and predetermined pattern printing red are all printed on the back side of the key-top. The light-up of coloured print patterns from the same colour light source is to distinguish the current operation mode on the communication devices or personal entertainment devices. Upon introduction of stealth key-top at zero mode or ‘off’ mode, the key-top will be black colour or background colour, when the red colour light source is switched on, only the red colour printed pattern will light-up and/or if blue colour light source is switch on, only the blue colour printed pattern is light up as shown in. | 01-19-2012 |
20120014131 | LIGHT EMITTING DEVICE ASSEMBLY, BACKLIGHT UNIT AND DISPLAY DEVICE HAVING THE SAME - Disclosed herein are a light emitting device assembly, a backlight unit and a display device having the same. The light emitting device assembly includes a light emitting device module having a light emitting device disposed on a board, a light guide plate to emit light incident from the light emitting device module in a direction differing from a light incidence direction, and a first fixing cover and a second fixing cover to connect the light emitting device module and the light guide plate. The first fixing cover and the second fixing cover are coupled by fixing members, protrusions are disposed on the second fixing cover at first regions corresponding to the fixing members, and the edge of the second fixing cover at second regions is bent. | 01-19-2012 |
20120020109 | LIGHTING MODULE AND LIGHTING APPARATUS INCLUDING THE SAME - A lighting module includes:
| 01-26-2012 |
20120020110 | BACKLIGHT ASYMMETRIC LIGHT INPUT WEDGE - A backlight is disclosed and includes a visible light transmissive body primarily propagating light by TIR with a light input surface and a light output surface and a light guide portion and a light input portion. The light guide portion has a light reflection surface and a light emission surface. The light input portion has opposing side surfaces that are not parallel. One of the opposing surfaces is co-planar with either the light emission surface or the light reflection surface. A light source is disposed adjacent to the light input surface. The light source emits light into the light input portion. A reflective layer is disposed adjacent to or on the opposing side surfaces. | 01-26-2012 |
20120033443 | Scanning Backlight with Slatless Light Guide - A backlight includes a light guide and a first and second light source adapted for independent operation and arranged to inject a first and second light beam, respectively, into the light guide through different portions of the light injection surface. Each light source includes a lamp and a concave reflector to partially collimate light from the lamp. One major surface of the light guide includes prismatic structures that are parallel to a first axis. Another major surface of the light guide includes lenticular structures that are parallel to each other but perpendicular to the prismatic structures. The lenticular structures limit spatial spreading for light that remains in the light guide. Each light source cooperates with the light guide to provide light that is substantially laterally confined to a transverse band of the light guide, even though the light guide contains no gaps that define slats to accomplish such confinement. | 02-09-2012 |
20120033444 | LIGHT EMITTING DEVICE, LIGHT EMITTING DEVICE PACKAGE, AND DISPLAY DEVICE THEREWITH - A light emitting device includes an active layer having quantum walls and quantum wells, a first conductive type semiconductor layer on one side of the active layer, a second conductive type semiconductor layer on the other side of the active layer, and an interfacial layer arranged between the active layer and the first conductive type semiconductor layer or between the active layer and the second conductive type semiconductor layer, wherein the interfacial layer includes barrier layers and basal layers provided between the barrier layers, wherein an energy bandgap of each of the barrier layers increases from the first conductive type semiconductor layer or the second conductive type semiconductor layer to an active layer direction linearly, and greatest energy bandgaps of the barrier layers are different from one another. | 02-09-2012 |
20120033445 | LUMINAIRE WITH FUNCTIONALITY-ENHANCING STRUCTURE - A luminaire ( | 02-09-2012 |
20120039087 | DISPLAY DEVICE - A display device includes a top housing, a bottom housing engaged with the top housing, and a display module. The top housing and the bottom housing cooperatively define a receiving space for the display module. The display module includes a light source and a light guide plate. The light guide plate includes a light input surface adjacent to the light source, a light output surface, and a bottom surface opposite to the light output surface. The light input surface connects the light output surface to the bottom surface. The inner surface of the bottom housing includes a reflective portion opposite to the bottom surface of the light guide plate, such that the reflective portion reflects the light emitting from the bottom surface to the light output surface. | 02-16-2012 |
20120039088 | DISPLAY DEVICE - A display device includes a housing and a display module received in the housing. The display module includes a light source and a light guide plate. The light guide plate includes a light input surface adjacent to the light source, a light output surface, and a bottom surface opposite to the light output surface. The light input surface connects the light output surface to the bottom surface. The housing includes an inner surface opposite to the bottom surface. A reflective element is formed on the inner surface of the housing to reflect the light emitting from the bottom surface of the light guide plate into the light guide plate. | 02-16-2012 |
20120057367 | BACKLIGHT UNIT - Disclosed herein is a backlight unit including a light guide plate including a light emitting portion to emit light, side surfaces defining corners, and a first light incidence portion and a second light incidence portion to receive light, at least two light emitting modules respectively disposed to face the first light incidence portion and the second light incidence portion, and an optical sheet disposed on the light guide plate, wherein the first light incidence portion is disposed one corner region of the light guide plate, and the second light incidence portion is disposed another corner region of the light guide plate, wherein the first light incidence portion is facing the second light incidence portion or disposed to both sides of one side surface of the light guide plate. | 03-08-2012 |
20120063164 | LIGHT SOURCE APPARATUS AND METHOD OF USING LIGHT SOURCE APPARATUS - A light source apparatus includes a light guide plate, at least one light emitting device, and a reflecting unit. The light guide plate has a first surface, a second surface opposite to the first surface, and a light incident surface connecting the first surface and the second surface. The first surface and the second surface connect to form a tip opposite to the light incident surface. An included angle formed between the first surface and the second surface at the tip is greater than 0 degree and less than or equal to 20 degrees. The light emitting device is disposed beside the light incident surface. The reflecting unit is disposed on the second surface. A method of using a light source apparatus is also provided. | 03-15-2012 |
20120075882 | LIGHT EMITTING DIODE MODULE - An LED module includes an LED and a light-guiding board. The light-guiding board includes a light-incident face facing the LED, a light-emergent face, a light-reflecting face opposite to the light-emergent face, and a light-converting layer containing phosphors therein. Light emitted from the LED sequentially moves the light-incident face, the light-converting layer and the light-emergent face to leave the light-guiding board. The light-converting layer has a uniform thickness. | 03-29-2012 |
20120092887 | BACKLIGHT MODULE AND DISPLAY APPARATUS - The present invention provides a backlight module and a display apparatus. The backlight module comprises a circuit board, a plurality of light sources and a reflective layer. The light sources have lighting surfaces and are electrically connected to the circuit board. The reflective layer flushes with the lighting surfaces of the light sources. Alternatively, the height difference between the reflective layer and the lighting surfaces of the light sources is less than 1 mm for reducing the height difference between the reflective layer and the lighting surfaces of the light sources. The present invention can raise the utilization rate of the reflective light. | 04-19-2012 |
20120092888 | EDGE LIGHTING BACK LIGHT MODULE - An edge lighting back light module includes a first light guide plate, at least one second light guide plate, and a plurality of light emitting devices. The first light guide plate has a light incident plane with a first thickness. The second light guide plate has a light incident plane and a light exit plane. The light exit plane of the second light guide plate faces the light incident plane of the first light guide plate, and the light exit plane of the second light guide plate has a second thickness smaller than the first thickness of the light incident plane of the first light guide plate. The light emitting devices face the light incident plane of the second light guide plate. | 04-19-2012 |
20120092889 | LIGHT DEVICE AND METHOD OF ASSEMBLING A LIGHT DEVICE - Light device ( | 04-19-2012 |
20120113674 | BACKLIGHT MODULE AND DISPLAY APPARATUS - The present invention provides a backlight module and a display apparatus. The backlight module comprises a casing, a light guide plate and at least one light source. The light guide plate is disposed in the casing and includes a light output surface and at least one positioning convex portion. The positioning convex portion protrudes from the light output surface. The light source is disposed at one or more sides of the light guide plate. The present invention can use the positioning convex portion to simplify the assembly structure and process of the display apparatus. | 05-10-2012 |
20120113675 | LAMP DEVICE WITH COLOR-CHANGEABLE FILTER - A lamp device includes a supporting frame, a light emitting diode (LED) array source, a light filter, two end caps and two couples of electrodes. The LED array source is disposed on the supporting frame. The light filter is arc-shaped and combined with the supporting frame as a tubular structure, wherein the arc surface of the light filter is a light emitting surface of the LED array source. The light filter is used for absorbing a ray in a specific wavelength range of the emitting light of the LED array source. The two end caps are disposed at two ends of the tubular structure respectively. The two couples of electrodes are disposed at two ends of the tubular structure and mounted on the two end caps respectively for electrically connecting to the LED array source. | 05-10-2012 |
20120113676 | FREE FORM LIGHTING MODULE - The invention provides an illumination device ( | 05-10-2012 |
20120127754 | LIGHT SOURCE MODULE AND ILLUMINATION APPARATUS - A light source module includes a transparent element, a plurality of light-emitting devices, and a plurality of light diffusion micro-structures. The transparent element includes a transparent substrate having a light exiting surface and a bottom surface opposite to the light exiting surface, a plurality of first notches, and a plurality of second notches. The first notches are sunken at the light exiting surface. There is a reflection surface in each of the first notches. The second notches are respectively opposite to the first notches and sunken at the bottom surface. The second notches respectively have a light incident curve-surface. The light-emitting devices are respectively disposed beside the light incident curve-surfaces. Each of the light-emitting devices has a light exiting surface capable of providing a light beam. The light exiting surface is not conformal to the light incident curve-surface. The light diffusion micro-structures are disposed on the bottom surface. | 05-24-2012 |
20120134176 | BACKLIGHT MODULE AND LIGHT GUIDE PLATE THEREOF - The present invention discloses a backlight module and a light guide plate thereof. The light guide plate has a side incident surface, a light-emitting surface adjacent to the side incident surface, and a micro-structure array adjacent to the side incident surface. The side incident surface receives incident lights from a light source. The micro-structure array has a plurality of elongated prisms, and an end of each of the prisms is oriented to the side incident surface, so that an extension direction of each prism is parallel to or nearly parallel to a normal line of a light-emitting surface of the light source. The light guide plate can increase light transmission distance to provide uniform brightness. The structures of the prisms are maintained in a uniform arrangement, so that a prism mold need not be re-designed to satisfy requirements of panels with different sizes. | 05-31-2012 |
20120147622 | DISPLAY DEVICE - A display includes a display panel and a backlight module. The backlight module is configured below the display panel and includes a light guide plate (LGP), a light source, an optical film, and a pad. The light source is located near the LGP. The optical film is configured on the LGP. The pad is located between the optical film and the display panel. A first surface of the pad is fixed to the optical film, and a second surface of the pad is slidable relative to the display panel. | 06-14-2012 |
20120155111 | BACKLIGHT MODULE - A reflective back cover made of plastic material having micro cellular structures is processed by compression molding and cutting so as to have a monolithical structure. The white material of the reflective back cover reflects lights such that the back cover can be an integral component featuring multiple functions of various components. With the thickness control of the reflective back cover, a concave can be formed at the side of the back cover where a light source is contained and the concave further retains the light source and its flexible printed circuit board. With the incorporation of the reflective back cover, the thickness of the backlight module can be reduced and a reliable and repetitive manufacturing of the backlight module can be introduced. | 06-21-2012 |
20120155112 | PORTABLE COMPUTER ILLUMINATION - Described is an illumination structure suitable for a keyboard light of a portable computer. An example illumination structure includes a transparent acrylic board, a light source, and a light guide. The acrylic board may have a front surface and a rear surface, each of which is flat. The light source is provided at a tilt angle q at which an optical axis is almost at a critical angle with respect to the rear surface of the acrylic board. The light guide is located between the light source and the rear surface. Further, light rays radiated from the light source are refracted by the light guide and the optically-transparent panel, and travel towards the front surface, so as to illuminate the surface. | 06-21-2012 |
20120163020 | PLANAR LIGHT EMITTING DEVICE AND METHOD OF MANUFACTURING SAME - A planar light emitting device provided with a light source; a sheet-like light guide that guides light from the light source in a planar direction, and has a plurality of light emitting regions, and a through slit formed between the light emitting regions to penetrate the light guide in a thickness direction; a switch sheet arranged so as to face one of the front face and the rear face of the light guide; and a light-blocking layer that has a flange portion that covers an opening edge portion of the through slit, a main body portion that covers at least one of the mutually facing inner wall surfaces of the through slit so as to form a space in the interior of the through slit and that continuous with the flange portion, and a bottom portion that is extended from a lower portion of the main body portion. | 06-28-2012 |
20120170309 | Display Apparatus and Method of Assembling the Same - In a display apparatus, a light guide plate includes a chamfered corner portion that defines a light incident surface. A light source unit is arranged adjacent to the light incident surface to provide the light to the light guide plate through the light incident surface. A display panel receives light from the light guide plate to display an image. A receiving container includes sidewalls and a bottom portion to accommodate the light guide plate and the light source unit. At least one sidewall adjacent to the corner portion is divided into a first part and a second part that may be coupled to or separated from each other. Thus, the light guide plate and the light source unit may be easily accommodated in the receiving container, thereby improving an assembling efficiency. | 07-05-2012 |
20120170310 | LIGHT GUIDE WITH UNIFORM LIGHT DISTRIBUTION - This disclosure provides systems, methods and apparatus for providing illumination by using a light guide to distribute light. In one aspect, the light guide has a light input edge into which light is injected and transverse edges transverse to the light input edge. The transverse edges are smooth and act as specular reflectors. The light input edge is rough and provides a diffusive interface. The light emitters are adjacent and centered along the light input edge, with the pitch of the light emitters being about ΔL, where ΔL is the distance between the transverse edges divided by the number of light emitters. The light guide can be provided with light turning features that redirect light out of the light guide. In some implementations, the redirected light can be applied to illuminate a display. | 07-05-2012 |
20120176812 | Light Guide Plate and Light-Emitting Assembly Having the Same - A light guide plate includes a light incident surface, a light emitting surface and a light guide surface. The light incident surface receives light from an external light source. The light emitting surface emits outward the light received through the light incident surface. The light guide surface faces the light emitting surface and includes a diffusion pattern formed thereon. The diffusion pattern includes a plurality of porous particles and a plurality of spheroidal particles, and the porous particles have pores formed therein and on surfaces thereof. | 07-12-2012 |
20120176813 | LIGHT EMITTING DEVICE COMPRISING A LIGHT GUIDE PLATE WITH REFLECTIVE SHIELDING WITH GLARE REDUCTION - The present invention relates to light emitting devices and more specifically to light emitting devices comprising light guides making use of total internal reflection (TIR). The light emitting device ( | 07-12-2012 |
20120182761 | PLANAR LIGHT SOURCE DEVICE - A planar light source device ( | 07-19-2012 |
20120182762 | ILLUMINATION MODULE - An illuminating module includes at least one light-emitting chip, a phosphor, and a color temperature conversion media. The light-emitting chip is capable of emitting wavelength light, and the phosphor is disposed in a propagation path of the wavelength light to transform the wavelength light into a first white light with a first color temperature. The color temperature conversion media is disposed in a propagation path of the first white light to transform the first white light into a second white light with a second color temperature. The second color temperature is smaller than the first color temperature. | 07-19-2012 |
20120188791 | SUBSTRATE-GUIDED HOLOGRAPHIC DIFFUSER - A substrate-guided holographic diffuser has a light-guide section configured to in-couple light and transmit the light within itself via total internal reflection. It can also have a brightness enhancement section that recycles non-diffracted light within the light-guide section. A hologram section that receives light from the light-guide section has a holographic structure defining acceptance conditions and is positioned relative to the internally reflected light such that the internally reflected light meets the acceptance conditions of the holographic structure. The internally reflected light is out-coupled by the holographic structure as a projected image of light scattered from a diffuser. | 07-26-2012 |
20120195067 | LIGHT-GUIDING PLATE AND BACKLIGHT MODULE - A light-guiding plate includes a main unit and a reflecting unit. The main body of the main unit has a light-receiving surface, a light-reflecting surface, and a light-projecting surface. The reflecting unit includes a plurality of reflecting microstructures formed on the light-reflecting surface. Each reflecting microstructure has a first reflecting curved surface, and the first reflecting curved surface of each reflecting microstructure has a first reflecting curved line shown on the lateral surface thereof. The first reflecting curved line of each first reflecting curved surface is substantially composed of a first base point as an initial point on the first bottom portion of the light-reflecting surface, a second base point as an end point on the second bottom portion of the light-reflecting surface, and a first curve track connected from the first base point to the second base point and passing through a plurality of first trajectory points. | 08-02-2012 |
20120195068 | LIGHT-EMITTING DEVICES FOR LIQUID CRYSTAL DISPLAYS - A lighting system includes a panel having an edge, the edge having a thickness defined between a front surface of the panel and a back surface of the panel, the panel configured to propagate light therein. The lighting system further includes a first light emitting diode (LED) light source and a second LED light source disposed in serrated arrangement along the edge of the panel so that light emitted from respective light emitting surfaces of the light sources impinges on the edge of the panel and enters the panel through the edge and so that the light emitting surfaces lie in respective planes that are not parallel. | 08-02-2012 |
20120206939 | Display Assembly and Methods - A display assembly is disclosed providing a panel display, a light guiding element having a first surface and a second surface and a light source operable to illuminate the light guiding element. The display further includes a layer of reflective material in contact with the first surface of the light guiding element, wherein the first surface receives light from the light source and transmits the light towards the panel display and the second surface of the light guide. | 08-16-2012 |
20120212975 | LIGHT GUIDE UNIT, ILLUMINATION DEVICE AND DISPLAY DEVICE - Provided are an illumination device that does not use a portion for shielding a light source, a light guide unit necessary for the illumination device and a display device incorporating the illumination device. In a light guide bar group (GR), a light emission portion arrangement line (S) formed by connecting the positions of processing portions ( | 08-23-2012 |
20120218776 | COMPOSITE COLOR SEPARATION SYSTEM - A color separation system is disclosed, which comprises: a wavelength distribution module, a light guide module and a light splitting module. The wavelength distribution module includes at least one lighting unit and at least one lens unit, in which each lighting unit emits at least two beams of different wavelengths. The plurality of beams is directed to enter the lens unit before it is discharged out of the wavelength distribution module. After that, the plural beams from the wavelength distribution module enters the light guide module. The portion of those beams that are being absorbed, while the portion of those beams being discharged out of the light guide module and then enter the light splitting module. The light splitting module is functioned for splitting the plural beams. | 08-30-2012 |
20120250350 | DISPLAY APPARATUS - Provided is a display apparatus. The display apparatus includes a display panel and a backlight unit including a light source disposed at a rear side of the display panel to provide light. The light source includes a sub mount substrate, a light emitting chip mounted on a top surface of the sub mount substrate, a resin layer disposed on the top surface of the sub mount substrate to surround the light emitting chip, and a transmittance adjustment layer disposed on a top surface of the resin layer to adjust a transmitting rate of light emitted from the light emitting chip. | 10-04-2012 |
20120257410 | LIGHT DIFFUSING SHEET AND BACKLIGHT USING SAME - A light diffusing sheet can include a diffusion layer. The diffusion layer has a surface profile that satisfies certain conditions. | 10-11-2012 |
20120257411 | LIGHT DIFFUSING SHEET AND BACKLIGHT USING SAME - A light diffusing sheet can include a diffusion layer. The diffusion layer has a surface profile that satisfies certain conditions. | 10-11-2012 |
20120268964 | DIFFUSER FILM WITH CONTROLLED LIGHT COLLIMATION - In one embodiment, a diffuser film with controlled light collimation comprises: a plastic layer having a first side and a second side, the first side having a first textured surface, wherein 20 to 50 percent of slope angles on the first textured surface proximate a first axis have a value of zero to five degrees. In one embodiment, a back lighted device, comprises: a light source, a light guide disposed proximate the light source for receiving light from the light source, and the diffuser film. In one embodiment, a method of controlling collimation in a diffusing film, comprises: determining a desired degree of collimation of the diffusing film; and texturing a plastic layer to form a first textured surface, wherein 20 to 50 percent of slope angles on the first textured surface proximate a first axis have a value of zero to five degrees. | 10-25-2012 |
20120268965 | LIGHT EMITTING DEVICE WITH A POINT-LIKE LIGHT SOURCE - A light emitting device comprises: a light guiding plate including two facing principal surfaces and circumferential end surfaces connecting the principal surfaces; and a point-like light source facing at least one surface of the circumferential end surfaces of the light guiding plate. One surface of the circumferential end surfaces except the surface where the light source is arranged is a light emitting surface, the thickness of the light guiding plate facing the light source is smaller than the thickness of a portion constituting the light emitting surface and is smaller than the thickness of a light emitting surface of the light source, a diffusing unit is formed on at least one of the principal surfaces; and a reflection member covering peripheries of the light source and the light guiding plate except portions constituting the light emitting surfaces of the light source and the light guiding plate is provided. | 10-25-2012 |
20120275185 | ILLUMINATOR - An illuminator includes a light source unit having an emitting surface for emitting light, and a light distribution control member having a prism surface including a plurality of prisms that have inclined surfaces and are arranged in a plane for two-dimensionally controlling light distribution of light emitted from the light source unit, wherein the prism surface has flat parts. With the light distribution control member, in the light distribution properties of the illumination light of the illuminator, the luminous intensity angular distribution is properly adjusted to have uniform illuminance distributions. | 11-01-2012 |
20120287670 | LIGHT SOURCE MODULE AND ELECTRONIC APPARATUS PROVIDED WITH SAME - A light source module of the present invention is configured such that there is a through hole ( | 11-15-2012 |
20120294032 | Backlight Module with Three-Dimensional Circuit Structure - The present invention relates to a backlight module with three-dimensional circuit structure, comprising: a housing, a thermal conductive material, a three- dimensional circuit module, a plurality of light-emitting devices, a reflective layer, a light guide plate, and a thermal conductive layer, wherein a main body of the three- dimensional circuit module has a plurality of concave holes in the surface thereof, and a three-dimensional circuit layer is disposed on the surface of the main body, the side walls of the plurality of concave holes, and the bottoms of the concave holes; in addition, the light-emitting devices are respectively disposed in the concave holes by way of being welded on the welding points; Therefore, the complete circuit can be disposed in the limit-sized main body, so that, the backlight module with three-dimensional circuit structure can be applied to a thin liquid crystal display device. | 11-22-2012 |
20120294033 | Backlight Module with Three-Dimensional Circuit Structure and Extrusion Housing - The present invention relates to a backlight module with three-dimensional circuit structure and extrusion housing, comprising: an extrusion housing, a three-dimensional circuit layer, a plurality of light-emitting devices, a reflective layer, a light guide plate, and a thermal conductive layer, wherein an installation portion of the extrusion housing has a plurality of concave holes in the first surface thereof, and the three-dimensional circuit layer is disposed on the first surface of the installation portion, the side walls of the plurality of concave holes, and the bottoms of the concave holes; Thus, the complete circuit can be disposed in the limited-sized installation portion; Moreover, moreover, the three-dimensional circuit layer further has a plurality of welding points disposed on the bottoms of the concave holes, such that the light-emitting devices can be respectively disposed in the concave holes by way of being welded on the welding points; So that, when the liquid crystal display device is hit, the extrusion housing may protect the light-emitting devices from damage. | 11-22-2012 |
20120294034 | DISPLAY APPARATUS - A display apparatus includes a light source and a light guide plate including a light incident surface facing the light source and which receive the light, an opposite surface opposite to the light incident surface and which reflects the light and has an arc shape, connection surfaces at opposing sides of the light incident surface and which connect the light incident surface and the opposite surface, an upper surface connected to the light incident surface, the opposite surface and the connection surfaces and which outputs the light, and a lower surface opposite to the upper surface. The light incident surface of the light guide plate includes a first surface extending in a predetermined direction, and second surfaces inclined from the first surface in an area corresponding to the light source such that an optical recess having a polygonal pyramid shape is defined by the second surfaces. | 11-22-2012 |
20120300495 | LIGHTING MODULE - A lighting module may be provided that includes a light guide plate including a predetermined pattern; a case covering both sides of the light guide plate; and a light source which is disposed in the case and is configured to emit light to the both sides of the light guide plate. The light guide plate emits the light from the light source through a top surface and a bottom surface. | 11-29-2012 |
20120307520 | INPUT DEVICE WITH LUMINOUS PATTERNS - The present invention discloses an input device with luminous patterns including an input interface and a backlight module. The backlight module includes a light source and a light guide plate. The light guide plate has a predetermined shading rate and at least one pattern formed on the bottom surface of the light guide plate. When the light source is turned off, the light passing through the light guide plate is too weak to show the pattern. When the light source is turned on, the luminous pattern is shown. The light guide plate is made from a mixture of transparent plastic particles and light absorption particles, and the pattern is formed of micro structures of light guide. The present invention provides the advantages of increasing the light source utilization rate, reducing costs, simplifying the manufacture process, improving the shading uniformity, reducing the thickness of input device and decreasing abrasion. | 12-06-2012 |
20120307521 | INPUT DEVICE WITH LUMINOUS PATTERNS - The present invention discloses an input device with luminous patterns including an input interface and a backlight module. The backlight module includes a light source and a light guide plate. The input interface has a predetermined light shading rate and at least one pattern formed on the light guide plate. When the light source is turned off, the light passing through the light guide plate is too weak to show the pattern. When the light source is turned on, the luminous pattern is shown. One base plate of the input interface is made from a mixture of transparent plastic particles and light shading particles, and the at least one pattern is formed of the micro light guide structures. The present invention provides the advantages of increasing the light source utilization rate, reducing costs, simplifying the manufacture process, improving the shading uniformity, reducing the thickness of input device and decreasing abrasion. | 12-06-2012 |
20120320626 | EDGE-LIT LIGHT FIXTURE INCORPORATING A DOWNLIGHT AND HAVING A UNIFORM EXTERNAL APPEARANCE - A light fixture and method for producing downward-propagating illumination are disclosed. The fixture includes an edge-lit lightguide illuminated from its perimeter. The lightguide has a light extractor, such as a dot pattern on its bottom surface, which extracts a portion of the light from inside the lightguide and directs it to a diffuser. The diffuser randomizes the direction of the extracted light and forms diffuse light. The fixture also includes a downlight, arranged above the lightguide and producing a downlight beam downward. The downlight beam transmits from the top face through the bottom face of the lightguide and emerges from the bottom face of the lightguide as a directional beam. The downlight beam has a downlight beam footprint. The light extractor has a light extractor area that excludes the downlight beam footprint, and the diffuser has a diffuser area that also excludes the downlight beam footprint. The fixture can produce both diffuse light and a directional beam, while maintaining a generally uniform external appearance. | 12-20-2012 |
20130003408 | SYMMETRIC SERRATED EDGE LIGHT GUIDE FILM HAVING CIRCULAR TIP AND BASE SEGMENTS - The present invention provides a planar light guide film for a backlight unit having at least one point light source, the light guide film comprising a light input surface for receiving light from the point light source, a light redirecting surface for redirecting light received from the light input surface and a light output surface for outputting at least the light redirected from the light redirecting surface. The light input surface further comprises a composite lens structure having a circular tip segment with a first contact angle, and a first and second circular base segments with a second contact angle, the second contact angle being less than the first contact angle and the second contact angle being equal to each other. Further, the circular tip segment satisfies the following equation: | 01-03-2013 |
20130003409 | light mixing module, and a luminaire comprising such a light mixing module - A light mixing module ( | 01-03-2013 |
20130003410 | LIGHT-CONDENSING FILM HAVING SUPERIOR ANTI-ADHESION PERFORMANCE AND SUPERIOR MOIRE PREVENTION EFFECTS, BACKLIGHT UNIT COMPRISING SAME, AND DISPLAY DEVICE COMPRISING THE BACKLIGHT UNIT - Provided are a condensing film, a backlight unit including the condensing film, and a display device including the backlight unit. The condensing film includes a plurality of lens structures extending in an extension direction on a surface thereof, a first protrusion part disposed on the lens structures and comprising a plurality of protrusions arrayed in the extension direction of the lens structure, and a second protrusion part disposed on the lens structures and comprising a plurality of protrusions arrayed in an array direction forming a certain angle with the extension direction of the lens structure. | 01-03-2013 |
20130027969 | ELECTRONIC DEVICE WITH LIGHT ADJUSTING MEMBER - An electronic device includes a shell, a circuit board, a light source mounted on the circuit board, a light guiding member defining a first pattern, a transparent light adjusting member defining a second pattern, a driving member, a sliding member slidably received in the shell, an optical sensor and a processor. The light adjusting member is revolvably mounted to the shell. The sliding member is mechanically coupled to the light adjusting member. The driving member is configured to drive the sliding member to move linearly so as to enable the sliding member to drive the light adjusting member to revolve, thereby rotation of the second pattern relative to the first pattern causing variation of light intensity passing through the light adjusting member. The optical sensor detects the ambient brightness. The process controls the driving member based on the ambient brightness. | 01-31-2013 |
20130027970 | ILLUMINATION DEVICE AND DISPLAY DEVICE INCORPORATING SAME - An illumination device that can enhance the efficiency of utilization of light is provided. This illumination device includes LEDs ( | 01-31-2013 |
20130033895 | Thin Edge-Lit LED Backlight Panel and Light Guide - A backlight sufficiently bright to be useful as a backlight for a high definition LCD television panel, or other types of visual display screens is disclosed. An LED wide enough to provide adequate light energy is used. The light energy is directed into a thin substrate panel via a tapered aperture port, and released toward a viewing surface in a uniform manner due to light guide disrupters calculated to optimize the output pattern. | 02-07-2013 |
20130044511 | DISPLAY DEVICE - A backlight unit includes: a wiring board having a light source mounted thereon; a light guide plate; a light-shielding pressure-sensitive adhesive sheet; and a light diffusion sheet. The front surface of the light guide plate includes an effective region serving as the planar light source and a light entering region ranging from the end surface into which the light enters to the effective region. The wiring board and the light-shielding pressure-sensitive adhesive sheet each have a part positioned in the light entering region. The light diffusion sheet is arranged from the effective region to the light entering region, and overlaps with the light-shielding pressure-sensitive adhesive sheet in the light entering region. On a side closer to the effective region with respect to the light-shielding pressure-sensitive adhesive sheet, the light entering region is covered with the light diffusion sheet without a gap. | 02-21-2013 |
20130051066 | ILLUMINATION APPARATUS - An illumination apparatus includes light sources; a light guide plate guiding lights from the light sources; a housing holding the light sources and the light guide plate; | 02-28-2013 |
20130063971 | BACKLIGHT MODULE - A backlight module includes a light guide plate, a first light source device, and a second light source device. The first light source device is disposed adjacent to a first side surface of the light guide plate and has at least one first polarized light source for emitting a first polarized light beam. The second light source device is disposed adjacent to a second side surface of the light guide plate and has at least one second polarized light source for emitting a second polarized light beam. The light guide plate includes a first polarized light transmitting region adjacent to the second light source device and a second polarized light transmitting region adjacent to the first light source device. | 03-14-2013 |
20130070476 | PLANAR ILLUMINATION APPARATUS - A planar illumination apparatus includes: a light source; a light guide plate having a light-receiving end surface arranged facing the light source, an output flat surface for planarly outputting light received through the light-receiving end surface and a reflective flat surface facing the output flat surface; a reflective sheet disposed on the reflective flat surface side of the light guide plate; and a flexible printed circuit board disposed on substantially the same plane as that of the reflective sheet, the flexible printed board mounting the light source, wherein the flexible printed circuit board has a mounting portion on which the light source is mounted and a thin portion which extends from a forward side edge and is formed thinner than the mounting portion, and wherein at least one part of the thin portion and an end portion of the reflective sheet are overlapped with each other. | 03-21-2013 |
20130070477 | SPREAD ILLUMINATING APPARATUS - An apparatus includes a two-sided prism sheet, and an optical path conversion unit with linear prisms. Each apex angle of the prisms increases the closer the linear prism is formed to the center in the light guide direction, and when a pair of inclined surfaces of each of the prisms has a first inclined surface and a second inclined surface, an inclination angle of the second inclined surface is larger than the one of the first inclined surface. Among the prisms, inclination angles e | 03-21-2013 |
20130077344 | LINEAR LIGHT SOURCE DEVICE AND PLANAR LIGHT SOURCE DEVICE - A linear light source device comprises a wiring substrate in a rectangular shape and having a wiring pattern formed thereon, a plurality of light emitting elements arranged on the wiring substrate in a longitudinal direction of the wiring substrate and connected with the wiring pattern on the wiring substrate, and a sealing resin that seals the light emitting elements, wherein the linear light source device is to be arranged on a side surface of a light guiding plate to form a planar light source device, and an external connection terminal is arranged on a surface of the wiring substrate that is opposite to a surface of the wiring substrate where the light emitting element are arranged and in a central portion in the longitudinal direction of the wiring substrate, and connected with the wiring pattern. | 03-28-2013 |
20130094243 | Sheetless Backlight Module, A Light Guide Plate for the Sheetless Backlight and Manufacturing Method Thereof - A sheetless backlight module and a light guide plate thereof are provided. The light guide plate includes a body and a plurality of light scattering units. The body has a bottom and a plurality of microstructures formed on the bottom and recessed in the body from the bottom. The pluralities of light scattering units are disposed in a plurality of spaces formed due to the plurality of microstructures recessed in the body. A manufacturing method of the light guide plate mentioned above includes forming the plurality of microstructures on the bottom of the body; preparing a fluid solution containing at least a diffusive reflective material; distributing the fluid solution on the bottom; driving the fluid solution to flow into the microstructures; removing the part of the fluid solution outside the microstructures; and solidifying the fluid solution to form the plurality of light scattering units. | 04-18-2013 |
20130114291 | Surface Light Guide and Luminaire - In at least one embodiment of the surface light guide, the surface light guide includes at least one scattering element for scattering light. A decoupling coefficient is caused by the scattering element. The decoupling coefficient is set in a varying fashion along a main light-guiding direction. In a direction perpendicular to the main sides of the surface light guide, the opacity value is no more than 0.10, the transmission coefficient is at least 0.75 and the quotient of the minimum light density and maximum light density seen over a continuous emitting area of at least one of the main sides is at least 0.75. | 05-09-2013 |
20130121020 | BACK-LIGHT MODULE - A back-light module including a light guide plate (LGP), first light-emitting devices, and second light-emitting devices is provided. The LGP has a top-emitting surface, a bottom surface and a side surface. The LGP has at least one indentation. The indentation has a first light-incident sidewall and a pair of second light-incident sidewalls. The second light-incident sidewalls are located on two sides of the first light-incident sidewall and adjacent to the first light-incident sidewall. Normal vectors of the second light-incident sidewalls and the first light-incident sidewall are not parallel. The first light-emitting devices are located in the indentation, and a first light beam propagating toward the first light-incident sidewall is emitted from each of the first light-emitting devices. The second light-emitting devices are located in the indentation, and a second light beam propagating toward one of the second light-incident sidewalls is emitted from each of the second light-emitting devices. | 05-16-2013 |
20130121021 | COMPOSITE OPTICAL FILM AND BACKLIGHT MODULE USING THE SAME - The present disclosure provides a composite optical film including a brightness enhancement film, a high refractive-index layer, and an intermediate layer. The brightness enhancement film has a plurality of brightness enhancement structures parallel to each other, and a top surface and a bottom surface opposite to each other. The brightness structures are disposed on the top surface. The high refractive-index layer is disposed on the bottom surface, and includes a film and a plurality of inorganic nano-particles disposed within the film. The intermediate layer is disposed between the brightness enhancement film and the high refractive-index layer. | 05-16-2013 |
20130128608 | LED LIGHT FIXTURE - The instant disclosure relates to a LED light fixture, which includes a mounting seat, a lighting module, a light guiding assembly, a retainer, and a panel. The mounting seat has a base and an annular side wall cooperatively defining a recess. The lighting module abuts the side wall and is disposed around the light guiding assembly. The retainer abuts the light guiding assembly and retains the light guiding assembly on the mounting seat. The panel is disposed between the light guiding assembly and the base, with the periphery of the panel abutting the engaging shafts. Thereby, the interaction between the retainer and the mounting seat enables the user to assemble or dismantle the light fixture with more ease. | 05-23-2013 |
20130128609 | LIGHT GUIDING PLATE, BACKLIGHT MODULE AND DISPLAY DEVICE - A light guiding plate and a backlight module and a display device applying the light guiding plate are provided, in which a structure of prisms on a light emergence surface of the light guiding plate is designed by, for example, adopting a mixed structure of prisms in different specifications, regulating the specifications of the prisms, such as a vertex angle and a corresponding reprint ratio, varying the reprint ratio of the prisms with respect to a distance from a light incident surface of the light guiding plate, or combining the aforementioned design solutions, thereby adjusting a light emitting effect of the light guiding plate, increasing uniformity of backlight, and improving display quality of the display device. | 05-23-2013 |
20130128610 | PLANE LIGHT SOURCE AND FLEXIBLE PLANE LIGHT SOURCE - A plane light source including a circuit substrate, a plurality of sets of side-view light-emitting devices (LEDs), and a diffusive light-guiding layer is provided. The side-view LEDs are arranged in array over the circuit substrate and are electrically connected with the circuit substrate. The diffusive light-guiding layer covers the side-view LEDs, wherein the diffusive light-guiding layer includes a plurality of diffusive light-guiding units arranged in array and connected to each other. Each of the diffusive light-guiding units is respectively corresponded to illumination coverage of one set of side-view LEDs. Each set of side-view LEDs at least includes two side-view LEDs for emitting light respectively along two different directions and towards into one single diffusive light-guiding units. | 05-23-2013 |
20130135894 | BACKLIGHT MODULE - A backlight module comprising a light guide plate and a light source is provided. The light guide plate has a light-out surface, which defines a first light-out region and a second light-out region. The light guide plate comprises a V-shaped light guide structure corresponding to the first light-out region. The light source is disposed corresponding to the V-shaped light guide structure and has a light-out surface, which faces a direction parallel to an extension direction of a long axial of V-shaped light guide structure. When the light source emits a light, the V-shaped light guide structure guides the light to illuminate the first light-out region, and the second light-out region may be not influenced by the light of the light source. | 05-30-2013 |
20130141936 | BACKLIGHT MODULE FOR PROVIDING LIGHT TO A DISPLAY PANEL AND DISPLAY DEVICE THEREWITH - A backlight module includes a light emitting unit for emitting light, a light guide plate disposed on a side of a display panel for guiding the light emitted by the light emitting unit to the display panel, a back cover installed outside the light emitting unit and the light guide plate, and a frame combined with the back cover for accommodating the light emitting unit and the light guide plate with the back cover. The frame includes a first side facing a surface of the light guide plate, and a second side opposite to the first side. The backlight module further includes an optical material layer disposed between the second side of the frame and the display panel for misting and focusing the light refracted from the light guide plate so as to provide uniform and bright light to the display panel. | 06-06-2013 |
20130141937 | LIGHT-CONTROLLING ELEMENT, DISPLAY DEVICE AND ILLUMINATION DEVICE - A light-controlling element includes an illumination unit capable of controlling an amount of emitted light, and a light guide body on which the light emitted from the illumination unit is incident. The light guide body has a function of propagating the light while totally reflecting the light inside the light guide body, and the light guide body has a function of propagating the light emitted from the illumination unit at a plurality of different propagation angles inside the light guide body. The light guide body includes a plurality of light extraction regions having a function of extracting the light to the outside. At least two of the plurality of light extraction regions have different incidence angle ranges in which the light is capable of being extracted to the outside. | 06-06-2013 |
20130148377 | LIGHT GUIDE FILMS HAVING REDUCED BANDING LEVELS - The present invention provides a light guide plate comprising an input surface for receiving light from a light source, an output surface for emitting light, and a bottom surface opposing to the output surface, wherein at least one of the output surface and the bottom surface has a micro-pattern, the micro-pattern comprising a plurality of micro-lenses. The light guide plate further comprises micro-lens having a width w, a length l, a depth d, an orientation angle, a first base angle α | 06-13-2013 |
20130148378 | LIGHT GUIDE PLATES HAVING A TWO-DIMENSIONAL PATTERN COMPRISING SUBSTANTIALLY IDENTICAL MICRO-LENSES - The present invention provides a light guide plate comprising an input surface for receiving light from a plurality of discrete light sources, an output surface for emitting light, and a bottom surface opposing to the output surface, wherein at least one of the output surface and the bottom surface has a micro-pattern, the micro-pattern consisting of a plurality of substantially identical micro-lenses, each micro-lens having a width, a length, and an orientation angle. The light guide plate further provides an area density D(x, y) of the micro-lenses varies in a first direction y-axis that is parallel to the length direction and in a second direction x-axis that is parallel to the width direction for y between starting line y | 06-13-2013 |
20130163278 | ELECTRONIC DEVICE HAVING A FLEXIBLE SCREEN, A BACKLIGHT MODULE AND A LIGHT GUIDE PLATE - An electronic device includes a base having two opposite sidewalls, two carriers connected pivotally and respectively to the sidewalls, and two light guide plates respectively disposed on the carriers. The carriers are rotatable relative to the base between a first position, where the carriers cooperatively define a carrier surface, and a second position, where the carriers are parallel to each other. A flexible screen is superposed on the light guide plates, is expanded to a planar state when move along with the carriers to the first position, and is folded when move along with the carriers to the second position. | 06-27-2013 |
20130208501 | LIGHT EMITTING DIODE LIGHTING SYSTEM HAVING HAZE-CHANGEABLE FILM - Disclosed is an LED lighting system comprising a housing equipped with a transparent substrate as an illuminating side, an LED light source located in the housing, and a haze-changeable film attached to the transparent substrate, wherein the transparency of the haze-changeable film changes depending on the application of electric power and the haze-changeable film has a haze on light varying with the intensity of an applied voltage/current. The LED lighting system may be useful for interior emotional lighting because a direct/indirect lighting and a mixed lighting thereof can be provided with a single system and various correlated color temperatures can be produced with a single LED light source. | 08-15-2013 |
20130215640 | LIGHT GUIDE PLATE AND METHOD OF MANUFACTURING SAME - An exemplary light guide plate includes a top light emitting surface, a bottom surface, and a light incident surface. The light incident surface is between the light emitting surface and the bottom surface. The bottom surface defines a plurality of hemispherical micro grooves arranged in an array, a maximum depth of each micro groove along a direction perpendicular to the bottom surface is H, each micro groove has a circular opening, a diameter of the opening is D, and D:H=10:1. | 08-22-2013 |
20130215641 | BACKLIGHT MODULE - A backlight module includes a light guide plate, a light source disposed at a side of the light guide plate, a diffuser sheet positioned over the light guide plate but not directly contacting the light guide plate, and a light mixing space positioned between the light guide plate and the diffuser sheet so that light emitted from the light guide plate mixes in the light mixing space before being emitted out of the backlight module. | 08-22-2013 |
20130215642 | Portable Computer Housing with Integral Display - An electronic device such as a portable computer may have a housing with a rectangular recess in which layers of display structures such as a light guide panel layer and other light guide structures are directly mounted without intervening chassis members. Mating alignment features in the housing and display structures may be used to align the display structures relative to the housing. A display may be formed from glass layers such as a color filter glass layer and a thin-film transistor glass layer. Backlight for the display may be generated by an array of light-emitting diodes. The light guide panel may direct light from the light-emitting diodes through the glass layers. A clamp may be used to hold the light-emitting diodes and light guide structures in place in the recess. An undercut in the housing may also hold the light guide structures in place. | 08-22-2013 |
20130215643 | LIGHTING DEVICE WITH A WAVEGUIDE PLATE - The invention provides a lighting device comprising (a) a transparent waveguide plate ( | 08-22-2013 |
20130223094 | DISPLAY MODULE - A display module has a display panel and a backlight module disposed on one side of the display panel. The backlight module includes a heat sink, a light bar, a light guide plate, a first reflective sheet, and a second reflective sheet. The light bar abuts against one side of the heat sink. The first reflective sheet is disposed adjacent to a bottom surface of the light guide plate, and the second reflective sheet is disposed adjacent to an edge of a light-emitting surface of the light guide plate. The second reflective sheet has a first part and a second part forming an included angle with the first part, the first part is attached to the heat sink or the light bar, and the second part overlaps a part of the light-emitting surface of the light guide plate. | 08-29-2013 |
20130223095 | DISPLAY APPARATUS AND METHOD OF ASSEMBLING THE SAME - In a display apparatus, a light guide plate includes a chamfered corner portion that defines a light incident surface. A light source unit is arranged adjacent to the light incident surface to provide the light to the light guide plate through the light incident surface. A display panel receives light from the light guide plate to display an image. A receiving container includes sidewalls and a bottom portion to accommodate the light guide plate and the light source unit. At least one sidewall adjacent to the corner portion is divided into a first part and a second part that may be coupled to or separated from each other. Thus, the light guide plate and the light source unit may be easily accommodated in the receiving container, thereby improving an assembling efficiency. | 08-29-2013 |
20130242602 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE - A light guide plate and a backlight module are described. The light guide plate includes a main body and a plurality of stripe microstructures. The main body includes a light incidence surface, a light-emitting surface and a light reflective surface. The light-emitting surface is opposite to the light reflective surface, and the light incidence surface is connected between the light-emitting surface and the light reflective surface. The light-emitting surface includes a microstructure region adjacent to the light incidence surface. The stripe microstructures are arranged in the microstructure region, and parallel to a normal line of the light incidence surface. | 09-19-2013 |
20130242603 | LIGHTING DEVICE - A lighting device includes a housing having first and second housing parts to define a first receiving space there between, and a third housing part arranged on the second housing part to define an open gap. The third housing part defines with the second housing part a second receiving space in which a first light conductor is arranged. A plastic film strip is arranged between edges of the first and second housing parts and is transparent for light emitted by the first light conductor, with the emitted light being projected into one end face of the film strip and extracted from another end face of the film strip. The film strip is sized to terminate flush with the first and second housing parts. Arranged in the second receiving space is a second light conductor which emits light through the gap. | 09-19-2013 |
20130242604 | LIGHT UNIT - A light unit is provided. The light unit includes a PCB mounted with a plurality of LEDs, and a light guide member having a plurality of reception grooves piercing therethrough and receiving the LEDs, wherein the light guide member includes one surface and the other surface opposite to the one surface, and the one surface of the light guide member is further coated with the resin material. The reception grooves are formed in the light guide member and are filled with a fluid resin material, thus preventing the damage to the LED caused by the difference between the thermal expansion rates of the components such as the light guide member, the reflection film and the PCB. | 09-19-2013 |
20130250608 | Backlight Module - The present invention provides a backlight module, which includes a backplane, a light guide board arranged inside the backplane, and a plurality of elastic bodies arranged between the backplane and the light guide board. The backplane includes a bottom plate and a plurality of side plates perpendicularly mounted to a perimeter of the bottom plate. The light guide board includes a bottom surface facing the bottom plate, a top surface distant from the bottom plate, and a plurality of side surfaces connecting between the bottom surface and the top surface. The elastic bodies are respectively mounted to three of the side plates of the backplane and are set abutting against three of the side surfaces of the light guide board. The elastic bodies form contact surfaces that engage the side surfaces of the light guide board and are curved surfaces or spherical surfaces. | 09-26-2013 |
20130250609 | LIGHT GUIDE ILLUMINATION DEVICES - A light-guide illumination device and system comprises a light source, a light redirecting slab and a light guide slab assembly. The light redirecting slab includes a generally planar face having optical redirecting elements, the optical redirecting elements having respective optical coupling surfaces situated distally from the planar face. The light guide slab assembly includes a planar face having an optically transmissive interface layer assembled onto a first planar face of the light guide slab and optically coupled to receive transmitted light directed from the light source. The light guide slab is pressed onto the redirecting slab such that the interface layer is deformed, creating optical bonds at the optical coupling surfaces of the optical redirecting elements, the formed optical bonds providing optical apertures for light transmission therethrough. | 09-26-2013 |
20130265801 | DISPLAY AND PROJECTION DEVICE - A display and projection device includes a first shell, a display module, a projection light valve, and a projection lens. The first shell has a display surface and a non-display surface. The display module is disposed within the first shell. The display surface of the first shell exposes the display module. The projection light valve is disposed within the first shell and capable of emitting an image light beam, and the non-display surface of the first shell exposes the projection light valve. The projection lens is disposed outside of the first shell and is located at a transmission path of the image light beam. The projection lens is detachably connected with the non-display surface of the first shell. Moreover, a projection device including a Fresnel lens is also provided. | 10-10-2013 |
20130272022 | BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS HAVING THE SAME - In a backlight assembly and a display apparatus having the backlight assembly, the backlight assembly includes a light source, a light guide, a first reflector, and an optical unit. The light guide is disposed adjacent to the light source, extends substantially parallel with a longitudinal direction of the light source, and refracts light emitted from the light source. The first reflector is disposed under the light guide and reflects the refracted light toward the optical unit. The optical unit is disposed over the first reflector such that an empty space is formed between the optical unit and the first reflector. | 10-17-2013 |
20130272023 | LED DISPLAY UNIT WITH SOLAR PANELS AND LED DISPLAY DEVICE INCLUDING SAME - An LED display unit includes a light guide, a diffusion layer, an LED module, and a solar panel. The light guide includes a first light incident surface and a light emitting surface connected to the first light incident surface. The diffusion layer includes a side surface and a second light incident surface connected to the side surface. The second light incident surface is adjacent to the light emitting surface. The LED module is adjacent to the first light incident surface. The solar panel is adjacent to the side surface and electrically connected with the LED module. | 10-17-2013 |
20130294107 | LIGHT EMITTING UNIT, DISPLAY, AND LIGHTING APPARATUS - There are provided a light emitting unit that enhances the uniformity of in-plane colors, as well as a display and a lighting apparatus that include such a light emitting unit thereon. The light emitting unit includes: a plurality of light emitting sections each having a light source and a wavelength conversion member, the wavelength conversion member converting a wavelength of light emitted from the light source; an optical component having a light incident surface in opposition to the plurality of light emitting sections; and a color unevenness prevention structure suppressing direct entering of light from the light source into the optical component. | 11-07-2013 |
20130308337 | BACKLIGHT MODULE - A backlight module includes a light source, a photoluminescence layer, and an optical film. The light source is used to provide a light beam. The photoluminescence layer is excited by the light beam from the light source and generates an excitation light. The optical film overlaps the photoluminescence layer along a vertical projective direction. The optical film includes a substrate and a plurality of two-dimensional symmetrical micro-structures. The two-dimensional symmetrical micro-structures are disposed on at least one surface of the substrate. The excitation light is emitted through the two-dimensional symmetrical micro-structures. | 11-21-2013 |
20130314943 | Waveguide with Controlled Light Collimation - A method is provided for controlling the collimation of light from a backlight top surface. A backlight device includes a first waveguide and a transparent top film overlying the first waveguide top surface. A plurality of bubble structures is formed in the top film bottom surface, having a refractive index less than a first waveguide medium. A plurality of lenses overlies the top film top surface, where each lens is aligned overlying a corresponding gap (W) between bubble structures. The method forms a maximum angle (α) of light propagation through the first waveguide medium. In response to the values W and H (bubble structure height), light, having the maximum angle (α) of light propagation, is reflected off the bubble structure sides, through total internal reflection, into the top film. The method collimates in a vertical direction, orthogonal to the horizontal direction, light exiting the top film through the lenses. | 11-28-2013 |
20130322112 | Side-Edge Backlight Module - The present invention provides a side-edge backlight module, which includes a backplane, a backlight source arranged inside the backplane, and a light guide plate arranged inside the backplane. The backplane includes a main body and a bracket connected to the main body. The main body is made of a plastic material and the bracket is made of a metal material. The backlight source is mounted to the bracket. The side-edge backlight module of the present invention adopts a backplane that is composed of a plastic main body and a metal bracket and this helps making the side-edge backlight module light-weighted provides multiple choices of the raw materials. Further, the main body directly forms a reflection surface by which the use of an additional reflector plate is eliminated, so that the installation of a light guide plate is made easy and the manufacture cost is further reduced. | 12-05-2013 |
20130322113 | DISPLAY DEVICE - A display device includes a display panel having an active display area, an optical film set, a light source module, and a frame. The light source module includes a light guide plate (LGP) and a light source adjacent to a side surface of the LGP. The optical film set is located between the display panel and the LGP. The frame disposed between the LGP and the optical film set extends to the LGP and covers a portion of the LGP. The frame has a first surface carrying the optical film set, a second surface facing to the light emitting surface, and a chamfered inclined surface. The chamfered inclined surface is within the active display area and connects the first and second surfaces. An extending distance of the first surface in the active display area is smaller than an extending distance of the second surface in the active display area. | 12-05-2013 |
20130322114 | SURFACE LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY APPARATUS - A surface light source device includes a surface light-emitting light-guiding unit; an LED light source disposed at an outside position on a side of a direction of the light incident surface; a plurality of laser light sources disposed at an outside position on a side of a direction of a rear surface of the surface light-emitting light-guiding unit; and a laser-light-ray guiding unit arranged on a side of a rear surface of the surface light-emitting light-guiding unit. The laser-light-ray guiding unit guides the laser light rays emitted from the laser light sources so that the laser light rays enter through a light incident end surface, travel in a direction opposite to a direction in which the LED light source emits the LED light ray, and thereafter are reflected by a light bending part to enter through the light incident surface of the surface light-emitting light-guiding unit. | 12-05-2013 |
20130329452 | METHOD FOR REDUCING HOT SPOTS IN LIGHT GUIDE PLATES - The present invention provides a method of reducing hot spots in a light guide plate, the light guide plate comprising an input surface for receiving light from a plurality of discrete light sources, an output surface for emitting light, a bottom surface opposing to the output surface, and an end surface opposing to the input surface. The method further provides distributing a set of lenses in the core zone and a set of micro-lenses in the mixing zone, wherein the density of the set of micro-lenses stays constant in the X-axis, and a size and density of the micro-lenses is selected to redirect the light from the discrete light sources toward the Y-axis and provide a ratio L | 12-12-2013 |
20130329453 | LIGHT GUIDE PLATE HAVING A REVERSED MICRO-PATTERN IN ITS MIXING ZONE - The present invention provides a light guide plate having reduced hot spots comprising an input surface for receiving light from a plurality of discrete light sources, an output surface for emitting light, a bottom surface opposing to the output surface, and an end surface opposing to the input surface. | 12-12-2013 |
20130329454 | LIGHT GUIDE PLATE HAVING A ONE-DIMENSIONAL MICRO-PATTERN IN ITS MIXING ZONE - The present invention provides a light guide plate having reduced hot spots comprising an input surface for receiving light from a plurality of discrete light sources, an output surface for emitting light, a bottom surface opposing to the output surface, and an end surface opposing to the input surface. The invention further provides a set of lenses distributed in the core zone and a set of micro-lenses distributed in the mixing zone, wherein the density of the set of micro-lenses stays the same in the X-axis, and the selected size and the density of the micro-lenses redirect the light from the discrete light sources toward the Y-axis and a ratio L | 12-12-2013 |
20130335998 | ELECTRONIC DEVICE AND METHOD OF GUIDING LIGHT IN THE SAME - An electronic device is provided which is capable of reducing variations in the brightness of lights emitted from the light emitting parts. The electronic device has: a housing; a plurality of light sources provided within the housing, each light source emitting light along a light axis, the light axes of the light sources being directed in the same direction; and plurality of light guide plates provided within the housing, the light guide plates guiding the lights emitted from the light sources, respectively. Each light guide plate has a light incident plane on which the light emitted from the light source is incident and a light emitting part that is exposed at an outer surface of the housing. One of the light guide plates has a light incident plane angle that is different from the light incident plane angle of another light guide plate so that light axes of the lights that are guided within the light guide plates pass through the light emitting parts, wherein the light incident plane angle is an acute angle that is formed between the normal line of the light incident plane and the light axis of the light that is incident on the light incident plane. | 12-19-2013 |
20130343081 | Display Device and Display System Combined Thereof - A display device includes a backlight module, a display panel, and a prism film. The backlight module has a light-emitting surface and generates backlight along an average light-emitting direction that is inclined with respect to the light-emitting surface. The display panel is disposed above the light-emitting surface such that backlight from the backlight module passes through the display panel along the inclined direction. The prism film is disposed on one side of the display panel opposite to the backlight module, wherein the prism film has a plurality of prisms disposed side-by-side on one side of the prism film facing the display panel. An extending direction of the prisms at least partially traverses across the average light-emitting direction. Two sides of each prism are respectively a first surface and a second surface, wherein the first surface and the second surface are asymmetric and projection areas of the first surface and the second surface onto the prism film do not overlap. An angle between the first surface and a normal line to the light-emitting surface is greater than an angle between the second surface and the normal line to the light-emitting surface. | 12-26-2013 |
20140003087 | LED Panel Lighting Device | 01-02-2014 |
20140009960 | BACKLIGHT DEVICE - In the case where, at first to fourth azimuths being angles of 0°, 45°, 90°, and 135° with respect to a second direction from a light source ( | 01-09-2014 |
20140016346 | ELECTRONIC APPARATUS - An electronic apparatus including a back cover, a frame body, a transparent plate, and a display unit is provided. The frame body is disposed on the back cover and has a first supporting surface and a second supporting surface. The transparent plate is supported on the first supporting surface. The display unit is supported on the second supporting surface and adhered to the transparent plate, and the display unit is held between the second supporting surface and the transparent plate. | 01-16-2014 |
20140016347 | SURFACE ILLUMINATION DEVICE - A surface illumination device has a light source, and a light guide plate having a light-emitting surface. The light guide plate guides light from the light source such that the light is emitted from a display region of the light-emitting surface. A plurality of deflection patterns having deflection inclined surfaces are formed in the display region in at least one of the light-emitting surface of the light guide plate and an opposite surface to the light-emitting surface. A light control structure that reduces light is provided on at least part of at least one of the light-emitting surface of the light guide plate and a surface except the opposite surface to the light-emitting surface, the light being reflected toward the display region by the surface. | 01-16-2014 |
20140016348 | PLANAR LIGHTING DEVICE - The invention provides a planar lighting device in which a large size and a small thickness in which front luminance of outgoing light is high and in which moire fringes due to a pattern formed in a light guide plate and a micro-lens film can be suppressed to emit outgoing light with small luminance unevenness, thereby enhancing light use efficiency. The object is attained by providing the planar lighting device with a light guide sheet that has scattering particles dispersed in the light guide sheet, and that is not more than 2 mm thick in a direction perpendicular to the light exit surface, an optical member unit including a micro-lens film with a plurality of spherical micro-ball lenses formed on a film that is so disposed as to face the light exit surface. | 01-16-2014 |
20140022813 | Transparent Emissive Window Element - The present invention discloses a transparent emissive window element ( | 01-23-2014 |
20140022814 | SURFACE LIGHT SOURCE DEVICE - A surface light source device has a light source, and a light guide plate introducing light of the light source from a light incidence surface and emitting the light from a light exit surface to outside. The light source being is provided at a position facing the light incidence surface of the light guide plate. The light guide plate includes a light introducing part for enclosing the light from the light source entering from the light incidence surface and a light guide plate main body having a thickness smaller than a maximum thickness of the light introducing part, provided so as to be continued to the light introducing part, and emitting the enclosed light from the light exit surface by light emitting portion to outside. | 01-23-2014 |
20140022815 | LED LIGHTING APPARATUS - An LED lighting apparatus of the invention includes a substrate having a length in a first direction and a width in a second direction. LED chips are supported on the substrate along the first direction. A light guide, having a thickness in the second direction, includes an incident surface, a reflective surface and an emitting surface. The incident surface faces in a third direction perpendicular to the first and second directions for receiving light emitted from the LED chips. The reflective surface spreads in the first and third directions and reflects light from the incident surface in the second direction. The emitting surface spreads in the first and third directions and allows light from the reflective surface to exit. The substrate is supported by a case that includes side plates around the light guide and a bottom plate connecting the side plates. | 01-23-2014 |
20140022816 | PLANAR LIGHTING DEVICE - There is provided a planar lighting device which can emit light with high light use efficiency and small luminance unevenness. This object is achieved by having a light guide plate including two or more layers overlapping in a direction perpendicular to a light exit surface and having different particle concentrations of the scattering particles, thicknesses of the layers in the direction perpendicular to the light exit surface varying so that a combined particle concentration has, in a direction perpendicular to a light incidence surface, a first local maximum value closer to the light incidence surface and a second local maximum value located farther from the light incidence surface than the first local maximum value and being larger than the first local maximum value; and a micro-lens film having a plurality of spherical micro-ball lenses formed on a film. | 01-23-2014 |
20140029294 | BACKLIGHT MODULE - The present invention provides a backlight module, which includes a backplane, a backlight source arranged inside the backplane, a light guide plate arranged inside the backplane to correspond to the backlight source, a reflector plate arranged between the light guide plate and the backplane, an optic film disposed on the light guide plate, a mold frame arranged on the backplane, and a block wall arranged between the light guide plate and the mold frame and opposing the backlight module. The block wall forms a slope face close to the backlight source. A reflective layer is formed on the slope face. Being provided between the mold frame and the light guide plate, the block wall reflects light that gets incident thereon back into the light guide plate in order to eliminate leak through a gap between an optic film assembly and the light guide plate. | 01-30-2014 |
20140029295 | HYBRID LIGHT GUIDE PLATE AND DISPLAY DEVICE - A display device includes a housing, a frame bonded to the housing, and a display module. The display module includes a back cover bonded to the frame, a light guide plate (LGP), a support element, a display panel, and an optical film set. The LGP is supported on the back cover and has a light exiting surface and an opposite back surface. At least two sides of the LGP's back surface are adhered on the back cover, and the LGP is made of glass. The support element and display panel are supported respectively on the LGP and support element. The optical film set is between the display panel and LGP. A hybrid LGP includes a first light guide sub-plates and a second light guide sub-plate. The second light guide sub-plate is stacked on and bonded to the first light guide sub-plate. | 01-30-2014 |
20140029296 | ILLUMINATION DEVICE AND DISPLAY DEVICE - A backlight device (illumination device) | 01-30-2014 |
20140036528 | LIGHT GUIDING PLATE, MANUFACTURING METHOD THEREOF, AND BACKLIGHT UNIT INCLUDING LIGHT GUIDING PLATE - A light guiding plate includes: a light guiding substrate; and a plurality of optical scattering patterns positioned on a first surface of the light guiding substrate. The plurality of optical scattering patterns respectively includes a binder, a scattering particle and a semiconductor nanocrystal. A color of light emitted from the plurality of optical scattering patterns is substantially the same. | 02-06-2014 |
20140036529 | LIGHT SOURCE DEVICE, DISPLAY UNIT, AND ELECTRONIC APPARATUS - A display unit includes: a display section displaying an image; and a light source device emitting light for image display toward the display section, the light source device including one or more first light sources, a light guide plate, and an optical member, the first light sources emitting first illumination light, the light guide plate including a plurality of scattering regions that allow the first illumination light to be scattered and then to exit from the light guide plate, the optical member being disposed on a light-emission side of the light guide plate to face the light guide plate and allowing an angular distribution of luminance of the first illumination light emitted from the light guide plate to be varied. | 02-06-2014 |
20140036530 | BACKLIGHT MODULE AND LCD COMPRISING THE SAME - A backlight module comprises a backplate having a baseplate and side plates, a direct-lit LED array, edge-lit LED arrays and a light guide panel. The light guide panel is located above the baseplate. The direct-lit LED array is disposed between the baseplate and the light guide panel. The edge-lit LED arrays are disposed at two sides of the light guide panel and facing light incident surfaces thereof respectively. Light scattering structures for scattering light rays are disposed on a light exiting surface or on a bottom surface of the light guide panels. With the LED arrays and the light scattering structures, the light guide panel is divided into three backlight regions. Displaying of the backlight module is controlled region by region by the light scattering structures and the LED drive circuit to improve the brightness of the backlight module and reduce the power consumption of the liquid crystal module. | 02-06-2014 |
20140043846 | DIFFRACTIVE LIGHTING DEVICES WITH 3-DIMENSIONAL APPEARANCE - Extended area lighting devices include a light guide and diffractive surface features on a major surface of the light guide. The diffractive surface features provide low distortion for viewing objects through the light guide. Light from discrete light source(s) is injected into the light guide, and the diffractive surface features interact with the injected light to couple guided-mode light out of the light guide. The out-coupled light produces one or more bands whose apparent shape changes with viewing position. The bands may be bright bands that correspond to the discrete light sources, or dark bands associated with an optional non-uniform reflective structure extending along a side surface of the light guide. Multiple bands may form a pattern that changes with viewing position, the pattern of bands having a 3-dimensional appearance for at least some viewing positions. The lighting devices can be used as luminaires for general lighting or decorative lighting. | 02-13-2014 |
20140043847 | COLORFUL DIFFRACTIVE LUMINAIRES PROVIDING WHITE LIGHT ILLUMINATION - Extended area lighting devices include a light guide and diffractive surface features on a major surface thereof. The diffractive surface features include diffractive features of different pitches in non-overlapping regions of the major surface tailored to extract guided-mode light of different colors from the light guide in different directions. The diffractive features extract light such that an ordinary user observes substantially different colors in different regions of the light guide, providing a colorful appearance. Notwithstanding this, the diffractive features also extract light such that the lighting device illuminates a reference surface, disposed at an intermediate distance from the light guide, with illumination light that is substantially uniform in color and substantially white. Optical films having diffractive features that can be used to construct such devices and light guides are also disclosed. The concept can also be extended to embodiments in which the uniform color illumination light is not substantially white. | 02-13-2014 |
20140043848 | BACKLIGHT DEVICE AND DISPLAY DEVICE INCLUDING THE SAME - A backlight device according to an exemplary embodiment of the present invention includes, wherein a light guide plate including a convex portion and a recess portion, a lower cover including a lateral surface cover part positioned adjacent to the convex portion, the lower cover surrounding the light guide plate, and a fixing member positioned between the light guide plate and the lateral surface cover part of the lower cover, in which the lateral cover part includes an opening, and the fixing member includes a first hook surrounding the convex portion and a second hook protruding through the opening of the lateral surface cover part. | 02-13-2014 |
20140043849 | LIGHTING MODULE - A lighting module may be provided that comprises: a first and a second light sources, which are disposed opposite to each other; a light guide plate disposed between the first light source and the second light source and including a top surface and a bottom surface; a first case including the first light source; a second case including the second light source; and an optical plate disposed on at least one of the top surface and the bottom surface of the light guide plate, wherein the optical plate reflects a part of light from the first and the second light sources and transmits the rest of the light. | 02-13-2014 |
20140063842 | LIGHT-EMITTING DEVICE AND IMAGE DISPLAY APPARATUS - A light-emitting device includes: a light guiding member; a plurality of light-emitting elements; and a reflection member. A light reflection/exit surface of the light guiding member has a concave-convex pattern including a plurality of convex portions reflecting light emitted from the light-emitting elements inward. On the assumption that L is a distance between the light-emitting elements, t is a thickness of the light guiding member, an incident angle φ of the light on the light reflection/exit surface is an angle between a line segment obtained by projecting a light path from the light-emitting element to the light reflection/exit surface and a line segment extending from a central point of the light-emitting element to the light reflection/exit surface, and θ is a maximum angle range of reflected light, a value of the angle range θ decreases as a value of the incident angle φ increases in a range of 0<φ03-06-2014 | |
20140078774 | BACKLIGHT MODULE SUITABLE FOR TRANSPORTATION - The present invention relates to a backlight module suitable for transportation, which comprises a backlight unit, the backlight unit comprises a backplate, and a light source, as well as an optical film, a light guide plate and a reflection plate arranged on the backplate from up to down in turn; the backlight module further comprises a fixing belt used for fixing the optical film, the fixing belt being tightly wound outside the backlight unit along at least one of the length and width directions of the backlight unit. This backlight module uses the fixing belt to fix the optical film instead of using the rubber frame to press against the optical film, thus the cost of the rubber frame assembly is saved, the optical film can be prevented from translocating due to vibration, and the winding strength can be ensured to be moderate. | 03-20-2014 |
20140078775 | BACKLIGHT UNIT AND DISPLAY DEVICE HAVING THE SAME - A display device includes a display panel and a backlight unit. The display panel alternately displays a left-eye image and a right-eye image during successive frame periods in a three-dimensional mode. The backlight unit includes a light source including a plurality of light emitting blocks and a light guide. The light guide includes a plurality of lenticular patterns formed on a first surface thereof and a plurality of light guide patterns formed on a second surface thereof. The lenticular patterns and the light guide patterns are extended in a first direction and arranged in a second direction crossing the first direction. | 03-20-2014 |
20140085924 | EDGE-LIT LIGHT PANEL - An edge-lit light panel is disclosed, which includes a generally planar, transparent light guide. Light, such as from one or more solid state light source arrays, is coupled into the light guide through its lateral edge, and propagates generally laterally within the light guide via total internal reflection. A diffuser is attached to the front or rear face of the light guide, such as by lamination. The diffuser may have a refractive index matched to that of the light guide. The light guide may have one or more concave features on its lateral edge to reduce reflection losses at high angles of incidence. The concave features may include a single, one-dimensional groove that includes all the solid state light sources along a particular straight edge of the light panel, or may include a series of concave dimples, with one dimple for each solid state light source. | 03-27-2014 |
20140092625 | DISPLAY MODULE AND HANDHELD ELECTRONIC DEVICE - A display module is provided. The display module includes a frame, a light guide plate, a light source device, a display panel and an optical film. The light guide plate is accommodated within the frame. The light guide plate has a recess. The light source device is disposed between the frame and the light guide plate. The display panel is disposed on the recess and attached to the light guide plate to seal the recess. The optical film is located within the recess. A handheld electronic device having said display module is also provided. | 04-03-2014 |
20140092626 | OPTICAL WAVEGUIDE SHEET, EDGE-LIT BACKLIGHT UNIT AND LAPTOP COMPUTER - The optical waveguide sheet of the present invention is an optical waveguide sheet for use in an edge-lit backlight unit of a liquid crystal display unit of laptop computers having a housing thickness of no greater than 21 mm, and includes an optical waveguide layer containing a polycarbonate-based resin as a principal component; and a protective layer laminated on the back face of the optical waveguide layer, the protective layer containing an acrylic resin as a principal component, wherein an average thickness of the optical waveguide sheet is no lower than 250 μm and no greater than 600 μm. An average thickness of the protective layer is preferably no less than 10 μm and no greater than 100 μm, and a relative refractive index of the protective layer with respect to the optical waveguide layer is preferably no greater than 0.95. | 04-03-2014 |
20140092627 | OPTICAL WAVEGUIDE SHEET, EDGE-LIT BACKLIGHT UNIT AND LAPTOP COMPUTER - The optical waveguide sheet of the present invention is for use in an edge-lit backlight unit of a liquid crystal display unit of laptop computers having a housing thickness of no greater than 21 mm, and includes: an optical waveguide layer containing a polycarbonate-based resin as a principal component; and a hard coat layer laminated on the back face side of the optical waveguide layer, an average thickness of the optical waveguide sheet being no greater than 600 μm. An average thickness of the hard coat layer is preferably from 2 μm to 20 μm. The optical waveguide sheet preferably further includes a lower refractive index layer that is laminated on the back face of the optical waveguide layer and has a refractive index lower than that of the optical waveguide layer, and the hard coat layer is preferably laminated on the back face of the lower refractive index layer. | 04-03-2014 |
20140092628 | ILLUMINATION DEVICE - An illumination device including a light guiding element, a light emitting element, and a reflective element is provided. The light guiding element has a light incident surface, a light emitting surface, a first surface and a second surface. The light incident surface surrounds the light guiding element and is connected between the light emitting surface and the first surface. The first surface is connected between the light incident surface and the second surface so that the second surface is substantially opposite to the light incident surface. The second surface constructs a depression structure having a diameter gradually changed from the first surface towards the light emitting surface. The light emitting element surrounds the light guiding element to emit a light towards the light incident surface. The reflective element is disposed at least on the first surface. | 04-03-2014 |
20140098563 | BACKLIGHT UNIT AND DISPLAY DEVICE HAVING THE SAME - A backlight unit includes a light guide plate including a plurality of light emitting areas and a light source part providing light to the light guide part. The light guide part includes a main light guide part and a sub-light guide part formed as a single piece with the main light guide part or partially overlapped with the main light guide part. A display device includes a display panel displaying an image and the backlight unit. | 04-10-2014 |
20140098564 | LED-BASED LIGHT FIXTURE - LED-based light fixtures are presented that are configured for attachment to a substrate to advantageously function without a reflector and without a backing plate. A light fixture according to an embodiment includes a waveguide having a front surface and a rear surface for emitting light, the waveguide configured to optically couple to a surface of a substrate. The light fixture also includes at least one LED light source disposed on an edge of the waveguide to emit light into the waveguide. The waveguide is configured to emit a first portion of the light above the rear surface for reflection by the surface of the substrate back into the waveguide and through the front surface of the waveguide, and to emit a second portion of the light through the front surface. | 04-10-2014 |
20140104870 | PRISM SHEET, BACKLIGHT UNIT INCLUDING THE SAME, AND METHOD OF MANUFACTURING THE SAME - A prism sheet includes: a first portion including a prism elongated in a first direction; and a second portion including a prism elongated in a second direction different from the first direction. The second direction is vertical to a light incident surface of a light guide plate of a backlight unit, a light source of the backlight unit faces the light indicent surface of the light guide plate, and the prism sheet overlaps a light emitting surface of the light guide plate. | 04-17-2014 |
20140104871 | LIGHT MANAGEMENT FILM - Example light management films including a plurality of tapered protrusions are described. In some examples, the disclosure relates to a film comprising a reflective polarizer layer and a plurality of tapered protrusions disposed on and tapering away from the reflective polarizer layer, where the tapered protrusions include at least one of a plurality of substantially conical shaped protrusions or a plurality of pyramidal shaped protrusions including at least four side faces. The plurality of tapered protrusions may be configured to reduce the divergence of incident light and redirect a majority of incident light propagating along a first direction to a second direction different from the first direction. | 04-17-2014 |
20140119048 | ILLUMINATING DEVICE AND DISPLAY DEVICE - An illuminating device | 05-01-2014 |
20140133174 | Displays and Display Chassis Structures - Electronic devices may include displays. A display may include backlight components that provide backlight illumination for the display. Backlight components may include a light guide plate that distributes light from a light source across the display. A plastic display chassis may be used to support display layers and backlight components. A light blocking material such as a layer of metal or opaque coating material may be formed on a surface of the plastic display chassis and may be used to reduce light leakage from the backlight components to the exterior of the electronic device. A metal barrier structure may be formed on a surface of the support structure and may be used to ground a conductive display layer to a conductive support structure such as a metal display chassis or a metal housing member. The plastic display chassis may be insert molded around a light barrier structure. | 05-15-2014 |
20140133175 | FLAT ILLUMINATION DEVICE - A flat illumination device is provided, and includes a frame, a light guide plate, and at least one light source. The frame includes an inner wall, wherein the inner wall has a reflective surface. The light guide plate is disposed in the frame, and has a first surface, a second surface opposite to the first surface, and at least one light incident surface adjoining the first and second surfaces. The first surface faces the reflective surface, and there is a distance between the first surface and the reflective surface. At least one pattern formed from mesh points or microstructures is disposed on at least one of the first surface and the second surface. The light source is disposed in the frame, and is adjacent to the light incident surface for providing light to the light guide plate. | 05-15-2014 |
20140133176 | Sidelight Backlight Module with Assisting Solar Light Source and Liquid Crystal Display Device - The present invention provides a side-light backlight module with assisting solar light source and which comprises a side-light source; a waveguide having an incident surface facing the side-light source and an emitting surface; an optical film set arranged on top of the waveguide and facing the emitting surface; and an assisting light source directing collected solar light into the incident surface of the waveguide. With the provision of the assisting light source, the solar light can be used as an assisting light source making the backlight module and the liquid crystal display device made therefrom become more environmental friendly. | 05-15-2014 |
20140140091 | WAVEGUIDE ILLUMINATION SYSTEM - An illumination system employing a waveguide. Light received from an edge or an end of a waveguide is propagated in response to transmission and total internal reflection. Light deflecting elements distributed along the propagation path of light continuously change the out-of-plane propagation angle of light rays and cause decoupling of portions of the propagated light from the core of the waveguide at different distances from the light input edge or end. Light escapes from the waveguide into an intermediate layer at low out-of-plane angles and is further redirected by light extraction features out of the system. In one embodiment, the illumination system is configured to emit collimated light. In one embodiment, the illumination system includes shallow surface relief features. In one embodiment, the light deflecting elements include forward-scattering particles distributed throughout the volume of the waveguide. Additional collimating and non-collimating illumination units and methods are also disclosed. | 05-22-2014 |
20140140092 | BACK LIGHT MODULE AND DISPLAY DEVICE USING THE SAME - A back light module includes a bezel, a light-guiding plate, an optical film and a fixing element. The bezel includes frame strips defining an accommodating space. Each frame strip has a bottom surface, a carrier surface opposite to the carrier surface, and a lateral surface connected between the bottom and carrier surfaces and facing to the accommodating space. The lateral surface of the frame strips has a first cave extended from the carrier surface through the bottom surface. The light-guiding plate and the optical film are configured in the accommodating space. The optical film has at least a first protrusion within the first cave. The fixing element is configured on the carrier surfaces of the frame strips and a portion of the optical film and corresponds to the boundary between the first protrusion and the first cave. A display device using the back light module is provided. | 05-22-2014 |
20140140093 | BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS HAVING THE SAME - A backlight assembly includes a light guiding plate, a light source and a bottom receiving plate. The light source is disposed at a first side of the light guiding plate. The bottom receiving plate includes a bottom surface and a side wall to form a receiving space in which at least a portion of the light guiding plate is placed. The bottom surface is smaller than a lower surface of the light guiding plate and has a plurality of openings formed through the bottom surface. The side wall extends from the bottom surface. | 05-22-2014 |
20140146560 | REFLECTION SHEET, BACKLIGHT UNIT, LIQUID CRYSTAL DISPLAY DEVICE, AND MANUFACTURING METHOD THEREOF - A reflection sheet of display backlighting unit is designed to be spaced apart by a predetermined gap distance from an overlying optical layer. However, the reflection sheet may inadvertently come into at least partial contact with the overlying optical layer. The reflection sheet is configured to avoid the creation of line contacts and wide area contacts with the optical layer. More specifically, the reflection sheet includes an upper skin layer having particles embedded therein. An average of surface roughness or height differences of the protrusions is caused to have a value of 15 μm or larger, and an interval between the adjacent protrusions is caused to be 200 μm or less. | 05-29-2014 |
20140146561 | ILLUMINATION DEVICE AND DISPLAY DEVICE - Provided is an illumination device capable of improved illumination quality. This back-light unit (illumination device) ( | 05-29-2014 |
20140146562 | ILLUMINATION DEVICE AND DISPLAY DEVICE - A backlight unit comprises a light source, a light guide plate and a frame. The light guide plate comprises a light guide and a low-refractive-index layer. The refractive index of the low-refractive-index layer is less than the refractive index of the light guide. A plurality of prisms for gradually reducing the angle of incidence of light coming from the light source with respect to the rear surface of the light guide are provided to the front surface or rear surface of the light guide. A plurality of prisms for totally reflecting forward the light coming from the light source are provided to the rear surface of the light guide plate. The frame comprises walls for surrounding the light source and the light guide plate. The width of the upper side of the walls and the width of the lower side thereof are substantially equal. | 05-29-2014 |
20140146563 | FRONT LIGHT AND METHOD FOR PRODUCING SAME, REFLECTIVE DISPLAY DEVICE PROVIDED WITH FRONT LIGHT, AND ELECTRONIC EQUIPMENT PROVIDED WITH REFLECTIVE DISPLAY DEVICE - A front light ( | 05-29-2014 |
20140153280 | OPTICAL MEMBER, DISPLAY DEVICE HAVING THE SAME AND METHOD FOR FABRICATING THE SAME - Disclosed are an optical member, a display device including the same, and a method of fabricating the same. The optical member includes a barrier film; an adhesive layer bonded onto the barrier film and including a plurality of wavelength conversion particles and an adhesive; and a detachable film detachably attached onto the adhesive layer. | 06-05-2014 |
20140169029 | BEADED CLEAR OPTICAL LAYERS FOR TURNING OR EXTRACTING LIGHT - Optical films performing the function of turning or extraction are described. More specifically, beaded clear layers having first and second layers of pressure sensitive adhesive and a plurality of microspheres are described. In some embodiments, the thicknesses of the first and second layers of pressure sensitive adhesive and the diameter of the microspheres are selected such that the first and second layers of pressure sensitive adhesive are not in contact. In other embodiments, the index of refraction of the microspheres is selected to reflect light through total internal reflection. Optical films with beaded clear layers and light extraction layers are also described. | 06-19-2014 |
20140169030 | LIGHT GUIDE PLATE - A light guide plate includes a light incident surface, a light emitting surface, and a number of micro-structures. The micro-structures are arranged on the light emitting surface. The micro-structures are parallel to each other and extends along a direction perpendicular to the light incident surface. The distance between each adjacent micro-structures are the same. The micro-structures in a light mixed area being non-uniformly distributed. | 06-19-2014 |
20140169031 | LENS AND LIGHT EMITTING DIODE BACKLIGHT MODULE HAVING THE SAME - A lens includes a top surface, a bottom surface opposite to the top surface, and a side surface interconnecting outer edges of the top surface and the bottom surface. An aspheric protrusion member protrudes from the top surface. The protrusion member includes coaxial extending portions which are stacked along an optical axis of the lens. | 06-19-2014 |
20140177268 | Optical Film Layer, Backlight Module, and Display Device - An optical film layer, a backlight module, and a display device are proposed. A black shading district is disposed on a terminal of the optical film layer for preventing light produced by a light source from entering the optical film layer through the terminal of the optical film layer. In this way, light leakage will not happen since the light which partially enters the optical film layer is blocked off. Display quality of the display device, especially display quality of the display device having a narrow bezel is improved. | 06-26-2014 |
20140177269 | LIGHT GUIDE PLATE HAVING UNIFORM LIGHT EMISSION AND MANUFACTURING METHOD THEREOF - A light guide plate includes a main body and a number of micro protrusions. The main body includes a light emitting surface, a bottom surface, and a light incident surface. The bottom surface is opposite to the light emitting surface. The light incident surface connects the light emitting surface and the bottom surface. The protrusions are randomly positioned on the light emitting surface, and are used for reflecting light rays towards random directions. | 06-26-2014 |
20140192553 | BACKLIGHT MODULE WITH LIGHT-VARYING STRUCTURES FORMED IN A LIGHT GUIDE PLATE - A backlight module is disclosed. A light guide plate includes a main body and a plurality of light-varying structures. The main body includes a top surface and a bottom surface. The light-varying structures are formed in the main body. A first optical film is formed on the top surface of the main body of the light guide plate. A second optical film is formed on the bottom surface of the main body of the light guide plate. At least one light source is adjacent to the light guide plate, outputting light into the light guide plate. | 07-10-2014 |
20140192554 | ILLUMINATION DEVICE AND DISPLAY DEVICE PROVIDED THEREWITH - Provided is an illumination device that can suppress uneven brightness in a member to be illuminated caused by the positioning structure of the light guide plate. An illumination device ( | 07-10-2014 |
20140198522 | Side-Edge Backlight Module - The present invention provides a side-edge backlight module, which includes a backplane, a backlight source arranged inside the backplane, and a light guide plate arranged inside the backplane. The backplane and the backlight source receive an aluminum-extruded heat sink arranged therebetween. The aluminum-extruded heat sink includes a first mounting section and a second mounting section perpendicularly connected to the first mounting section. The backlight source is mounted on the first mounting section. The first mounting section forms a slope surface at a location close to the second mounting section. The slope surface is arranged to extend from connection of the first and second mounting sections toward the backlight source. The side-edge backlight module forms a slope surface at a lower end of the first mounting section of the aluminum-extruded heat sink to eliminate potential interference issue of assembling occurring in the known techniques. | 07-17-2014 |
20140198523 | LIGHT DIFFUSION PLATE AND BACKLIGHT MODULE USING SAME - A light diffusion plate includes a light-emitting region and an atomization reinforcing region connected to the light-emitting region. Light passing through the atomization reinforcing region is more greatly diffused than light passing through the light-emitting region. | 07-17-2014 |
20140204607 | NARROW BORDER BACKLIGHT MODULE AND MANUFACTURING METHOD THEREOF - A narrow border backlight module includes a frame, a reflective isolation layer, and a light guide element. The frame includes a plural of sidewalls connected to each other, and the bottom of the frame is hollow. The sidewalls define a cavity. The reflective isolation layer is disposed on an inner surface facing the cavity of the sidewalls. The light guide element is formed inside the frame, and the light guide element and the frame are integrally formed. | 07-24-2014 |
20140211500 | SEMICONDUCTOR LIGHT EMITTING DEVICE PACKAGE - A semiconductor light emitting device package is provided, including a body, first and second reflective cups disposed under a top surface of the body and spaced apart, a first connection pad disposed under the top surface of the body and spaced apart from the first and second reflective cups, a second connection pad disposed under the top surface of the body and spaced apart from the first and second reflective cups and the first connection pad, a first semiconductor light emitting device disposed within the first reflective cup, and a second semiconductor light emitting device disposed within the second reflective cup. | 07-31-2014 |
20140218963 | BACKLIGHT MODULE - The present invention provides a backlight module, which includes: a backplane, a backlight source arranged inside the backplane, a light guide plate arranged inside the backplane to correspond to the backlight source, a reflector plate disposed on a bottom of the light guide plate, an optic film disposed on a top of the light guide plate, and elastic members mounted to the backplane. The optic film has a top edge forming suspension sections and two first sidewalls respectively at left and right sides and each forming lugs. The suspension sections form first through holes. The lugs form second through holes. The backplane forms suspending pegs corresponding to the first through holes. The first through holes are mounted on the suspending pegs and the elastic members securely hold the second through holes and are mounted to the backplane so as to fix the optic films on the light guide plate. | 08-07-2014 |
20140233257 | LIGHT EMITTING MODULE APPLIED TO DISPLAY DEVICE - A light emitting module includes a first circuit board, a driver chip, two connectors, a second circuit board and a plurality of light emitting units. The driver chip is disposed on the first circuit board. The two connectors are disposed on the first circuit board and electrically connected to the driver chip. The second circuit board has two groups of connecting cables and each group of connecting cables is electrically connected to one of the two connectors. The light emitting units are disposed on the second circuit board and electrically connected to the two groups of connecting cables. | 08-21-2014 |
20140254192 | DISPLAY DEVICE - A display device is provided. The display device may include a display module, a back cover that supports a back surface of the display module, and a top case that covers an edge portion of a front surface and/or a lateral surface of the display module. The top case may include a coupling portion formed in a lateral surface thereof to be coupled to the lateral surface of the display module and an edge portion of the back cover. A rear cabinet may cover a back surface of the back cover. The lateral surface of the top case may be exposed, such that a number of elements of the display device may be reduced so as to reduce production costs and processes, with a reduced size bezel on a front screen. | 09-11-2014 |
20140254193 | LUMINANCE 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. | 09-11-2014 |
20140268867 | Backlight having Dual Collimating Reflectors - A backlight to emit light from a surface thereof includes a light guide to guide light, first and second collimating reflectors and a light source to produce light. The first collimating reflector is at a first edge of the light guide to collimate the light from the light source in a vertical direction and to direct the collimated light into the light guide. The second collimating reflector is at a second edge of the light guide to further collimate the collimated light in a horizontal direction and to redirect the further collimated light back into the light guide. | 09-18-2014 |
20140268868 | BACKLIGHT DEVICE AND DISPLAY DEVICE PROVIDED WITH SAME - This backlight device | 09-18-2014 |
20140286042 | BACKLIGHT MODULE AND MANUFACTURING METHOD OF THE SAME - An exemplary backlight module includes a light guide film and a light bar. The light guide film includes a top surface, a bottom surface, and a light incident surface connected between the top surface and the bottom surface. The light bar includes a light-emitting surface. The light-emitting surface is attached to the light incident surface. A method for manufacturing the backlight module is also provided. | 09-25-2014 |
20140307465 | DISPLAY DEVICE - Disclosed is a display device. The display device includes: a light source; a light guide plate into which light is incident from the light source; a light conversion member on the light guide plate; and a display panel on the light conversion member, wherein a plurality of scattering parts having a diameter in a range of 90 μm to are provided in the light guide plate. | 10-16-2014 |
20140313768 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE HAVING THE LIGHT GUIDE PLATE - A light guide plate includes a light incident surface for incident light, a light emitting surface for emitting the light, and microstructures formed on the light emitting surface to collimate the light. | 10-23-2014 |
20140321153 | OPTICAL ELEMENT AND BACKLIGHT MODULE INCORPORATING THE SAME - An optical element includes a light guide plate, a reflector received in a mounting hole of the light guide plate, and a supporting rod secured to and extending upwardly from the reflector. The light guide plate defines the mounting hole extending through the light guide plate from a top face to a bottom face thereof. The reflector includes a mounting surface coplanar with the top face of the light guide plate and a tapered reflecting face extending slantwise downwardly and inwardly from the mounting surface thereof. A backlight module incorporating the optical element is also provided. The backlight module has an LED located in the mounting hole and faces the reflecting face, and a diffuser plate secured to a top end of the supporting rod. | 10-30-2014 |
20140321154 | BACKLIGHT MODULE - A reflective back cover made of plastic material having micro cellular structures is processed by compression molding and cutting so as to have a monolithical structure. The white material of the reflective back cover reflects lights such that the back cover can be an integral component featuring multiple functions of various components. With the thickness control of the reflective back cover, a concave can be formed at the side of the back cover where a light source is contained and the concave further retains the light source and its flexible printed circuit board. With the incorporation of the reflective back cover, the thickness of the backlight module can be reduced and a reliable and repetitive manufacturing of the backlight module can be introduced. | 10-30-2014 |
20140321155 | Light Guide Plate Structure Controlling Uniformity from Central Portion to Edge, and Lighting Lamp Using Same - The objective of the present invention is to orient an LED emitting surface not toward an upper surface, but rather toward a portion of a light guide plate on which the light is incident by using the scattering pattern of the light guide plate, and then maintain the uniformity of the distribution of the light emitted from the light guide plate by means of a scattering pattern of the light guide plate, in order to increase light-emitting efficiency. Provided is a light guide plate structure controlling light uniformity from a central portion to an edge, which includes said light guide plate having a hole in the center thereof for accommodating a light source means, wherein the light from the light source means is incident thereon, said light source means being arranged so as to emit light laterally through the incident light portion of the hole, the light guide plate being provided, on the upper surface thereof, with the scattering pattern, the size per unit area of which gradually increases from the central portion toward the edge such that the light distribution is uniform, wherein the light source means is accommodated in the hole of the light guide plate so as to emit light to the portion of the light guide plate on which the light is incident. The invention further relates to a lighting lamp using the same. | 10-30-2014 |
20140334180 | LIGHT-DIRECTING DEVICE - A light-directing device adapted for directing light emitted by a light source. The light-directing device includes a light-guiding plate and a directing unit that is disposed adjacent to the light-guiding plate such that a portion of the light emitted by the light source into the light-guiding plate is internally reflected by a first inclined surface thereof to exit the light-guiding plate toward an illuminating region, and another portion of the light emitted by the light source passes through the light-guiding plate, enters the directing unit and is internally reflected by a second inclined surface thereof to exit the directing unit toward the illuminating region. | 11-13-2014 |
20140347880 | LIGHT-EMITTING-DIODE LIGHT BAR AND RELATED PLANAR LIGHT SOURCE - A LED light bar, a related planar light source and a method of manufacturing such light bar is provided. The light source includes a light guide plate having a first surface and a second surface; at least one light bar, on which a plurality of LEDs is disposed, wherein the light bar is disposed on a lateral side of the light guide plate, and the LEDs are disposed inside the light guide plate to output light; a reflector, which is disposed outside the second surface and reflects light; and a diffuser, which is disposed outside the first surface and scatters reflected light of the reflector. Because LEDs are pre-disposed in a mold when the light guide plate is manufactured, the LEDs and the light guide plate are integrally formed, the loss of light can be avoided, and the efficiency of the planar light source can be enhanced. | 11-27-2014 |
20140347881 | BACKLIGHT UNIT AND DISPLAY DEVICE - A backlight unit is disclosed. The backlight unit includes a light emitting device to emit light, an optical member to guide the light emitted from the light emitting device, a bottom chassis disposed on a rear surface of the optical member so as to support the optical member, a supporting member coming into partial contact with the bottom chassis so as to support a module including the light emitting device and a shock-absorbing member disposed between the rear surface of the optical member and the bottom chassis. | 11-27-2014 |
20140355299 | LIGHT GUIDE PLATE HAVING RIBS AND BACKLIGHT MODULE HAVING SAME - A light guide plate includes a bottom surface, a light-emitting surface, a light incident surface, a first side surface, a second side surface, and a number of ribs protruding from the bottom surface away from light-emitting surface. The ribs extend substantially parallelly from the first side surface to the second side surface and are continuously arranged without gaps in between. Each rib includes a first surface, a second surface, and a third surface. The first surface and the second surface extend from the bottom surface. The second surface is further from the light incident surface than is the first surface. A first included angle between the first surface and the bottom surface is an acute angle, and the third surface connects the first surface to the second surface. | 12-04-2014 |
20140355300 | LIGHT GUIDE PLATE AND LIGHT SOURCE MODULE - A light guide plate and a light source module are described. The light guide plate includes a main body, first stripe microstructures and second stripe microstructures. The main body includes a light incidence surface, a light-emitting surface and a light reflective surface opposite to the light-emitting surface. The light incidence surface is connected between the light-emitting surface and the light reflective surface. The light-emitting surface includes a first microstructure region and a second microstructure region arranged sequentially, and the first microstructure region is near the light incidence surface. The first stripe microstructures are disposed in the first microstructure region and extending along a direction from one side near the light-incident surface to the other side away from the light-incident surface. The second stripe microstructures are disposed in the second microstructure region along the direction. A gradient of each second stripe microstructure is gradually varied along the direction. | 12-04-2014 |
20140369067 | BACKLIGHT MODULE - A background module includes a light-emitting element, a light guide plate, and a light shielding structure. The light guide plate includes a reflective material layer. The reflective material layer is disposed on a top surface of the light guide plate and located near the light-emitting element. After a light beam emitted by the light-emitting element is introduced into the light shielding structure, a portion of the light beam is reflected back into the light shielding structure by the reflective material layer. On the other hand, a portion of the light beam is transmitted through the reflective material layer and absorbed by the light shielding structure. Consequently, the possibility of causing light leakage will be minimized. | 12-18-2014 |
20140376255 | DISPLAY - A display including a backlight module, a display panel, and a color filter layer is provided. The backlight module includes a light source having a luminescence spectrum with three protrusions. Peaks of the protrusions fall in different ranges and full width at half maximum (FWHM) of each of the peaks are in respective ranges. The display panel is disposed on the backlight module. The color filter layer disposed on the backlight module includes three color filtering patterns. Peaks of transmission spectra of the color filtering patterns respectively overlap the FWHM ranges of the three protrusions. | 12-25-2014 |
20140376256 | LIGHT SOURCE MODULE - A light source module includes a light guide plate, at least one light emitting element, a circuit board, and a heat conductive structure. The light guide plate has a light incident surface and a bottom surface adjacent to each other. The light emitting element is disposed beside the light incident surface. The circuit board has a bottom and a sidewall. The bottom extends toward the light guide plate from an end of the sidewall. The sidewall has a first surface facing the light incident surface, and the bottom has a second surface facing the bottom surface. The light emitting element is disposed on the first surface. The heat conductive structure is disposed on the circuit board contacted the first surface and the second surface of the circuit board, for transmitting heat generated by the light emitting element and the circuit board. | 12-25-2014 |
20140376257 | OPERATING PANEL AND INFORMATION APPARATUS PROVIDED WITH SAME - There is provided with a light transmissive substrate | 12-25-2014 |
20150009708 | SIDE-LIGHTING BACKLIGHT AND LIQUID CRYSTAL DISPLAY COMPRISING THE SAME - The present disclosure relates to the technical field of flat panel display, and proposes a side-lighting backlight, including a back plate on which a reflecting plate is arranged, an optical sheet assembly spaced from the back plate to form an optical cavity therebetween, and a light-emitting element arranged on one side of the back plate, wherein a convex lens is arranged between the reflecting plate and the optical sheet assembly, so that light from the light-emitting element is guided into the optical cavity through the convex lens and then exits through the optical sheet assembly, and the distance between the convex lens and the light-emitting element is greater than a light coupling distance. The convex lens can also function to keep the distance between the optical sheet assembly and the reflecting plate constant. The side-lighting backlight according to the invention has a lighter weight, a thinner thickness and a greatly simplified manufacturing process over a backlight in the prior art. | 01-08-2015 |
20150023052 | TWO-SIDED LIGHT GUIDE - A multi-display system includes a single, two-sided backlight assembly between the display panels. The two-sided backlight assembly is able to emit light in two light paths generally 180 degrees apart—one light path passes through one of the display panels and another light pass through the other of the display panels. That is, the two-sided light guide assembly emits light out two sides and generally in opposite directions. The two-sided backlight assembly uses lights such as light emitting diodes (LEDs) mounted on the side of a light guide thereby permitting the backlight assembly to be relatively thin. Because a single, thin, two-sided backlight assembly is used, the overall depth of the multi-display system is less than would be the case if two separate backlight assemblies were used. | 01-22-2015 |
20150029744 | ROTATED MICRO-OPTICAL STRUCTURES FOR BANDING SUPPRESSION FROM POINT LIGHT SOURCES - An apparatus for use on an edge-injected, total internal reflection (TIR) waveguide. The apparatus comprises a substrate and a plurality of microstructures provided on the substrate. Each microstructure comprises at least two approximately planar surfaces for extracting light from the TIR waveguide. The plurality of microstructures are pseudo-randomly oriented on the substrate. The apparatus may used in a lighting system (e.g., a backlight for a display). | 01-29-2015 |
20150029745 | LIGHT GUIDE PLATE, SURFACE SOURCE DEVICE AND TRANSMISSION-TYPE DISPLAY DEVICE - A light guide plate | 01-29-2015 |
20150029746 | ILLUMINATED GARMENT AND ACCESSORIES - An example system in accordance with aspects of the present disclosure includes a lighting unit assembly having a light source, a transfer packet assembly to package the light source in a transfer packet, and a product assembly to fuse the light source into the headwear. | 01-29-2015 |
20150036379 | OPTICAL SHEET, DISPLAY DEVICE AND LIGHT EMITTING DEVICE HAVING THE SAME - Disclosed are an optical member and a display device including the same. The optical member includes a light conversion layer including a plurality of light conversion particles; and a light diffusion layer including a plurality of light path conversion particles under the light conversion layer. | 02-05-2015 |
20150043243 | LIGHTING PANEL - A lighting panel that provide an alternative means for producing a “spot light” like illumination from an LED is described. The lighting panel comprising a transparent substrate upon a first surface of which are mounted a plurality of transparent prism structures and upon a second surface of which is mounted a light emitting diode (LED). A transparent guide layer is arranged so as to encapsulate the light emitting diode upon the second surface such that the transparent base substrate and the transparent guide light form a composite structure for guiding light emitted from the LED. The transparent prism structures are configured to extract a first and a second light output from the lighting panel, the first and second light outputs having output angles and beam widths determined by the structure of the plurality of transparent prism structures. The lighting panels exhibit high optical efficiencies and long operating lifetimes. | 02-12-2015 |
20150055366 | LIGHT GUIDE PLATE WITH MULTI-DIRECTIONAL STRUCTURES - A light guide plate with multi-directional structures includes a main body, a plurality of first microstructures and a plurality of second microstructures. The main body includes a light-incident surface, a light-emitting surface and a reflecting surface. The light-incident surface connects the light-emitting surface and the reflecting surface. The first microstructures are disposed on the light-emitting surface or the reflecting surface and arranged along a first extending direction. The second microstructures are disposed on the light-emitting surface or the reflecting surface and arranged along a second extending direction. The second microstructures and the first microstructures are disposed on the same plane and intersect with each other. Each of the second microstructures is a single stripe pattern, and has a width which becomes gradually smaller from one end of the second microstructure near the light-incident surface to the other end of the second microstructure away from the light-incident surface. | 02-26-2015 |
20150062962 | LIGHTING APPARATUS - A lighting apparatus includes a lighting element and a light guide plate. The light guide plate includes an optical waveguide zone and a wavelength converting zone. The optical waveguide zone is disposed on the lighting element, and includes an upper total reflection surface, a lower total reflection surface, a light incident surface and a first light outgoing surface. The upper and lower total reflection surfaces are disposed on opposite sides of the optical waveguide zone. The light incident surface is positioned on a partial area of the lower total reflection surface, and positioned on the optical path of the light emitted by the lighting element. The first light outgoing surface connects the upper and lower total reflection surfaces. The wavelength converting zone is adjoined to the first light outgoing surface, and includes a wavelength converting material therein. | 03-05-2015 |
20150070929 | LIGHTING DEVICE HAVING A REFLECTOR, LENS, AND APERTURE - A lighting device may include a reflector, which can be illuminated by means of at least one light source, in particular light emitting diode, a lens disposed downstream of the reflector, and an aperture interposed between the reflector and the lens. The aperture is designed and arranged to block one part of a light reflected by the reflector onto the aperture and to direct another part of the light reflected by the reflector onto the aperture onto the lens. | 03-12-2015 |
20150070930 | LUMINOUS FLUX CONTROL MEMBER, LIGHT EMITTING APPARATUS, AND ILLUMINATING APPARATUS - A luminous flux control member ( | 03-12-2015 |
20150085520 | BACKLIGHT MODULE - A backlight module includes a back plate, an optical film, a light source and optical microstructures. The back plate has a supporting surface. The optical film is disposed on the back plate. The supporting surface and the optical film have a gap therebetween. The light source disposed on the supporting surface is adapted to emit light toward the optical microstructures. Each optical microstructure includes first and second transparent structures. The first transparent structure connected to the supporting surface has front and rear ends. The front end facing toward the light source has a first concave surface. The rear end facing away from the light source has a convex surface. The second transparent structure connected to the first transparent structure has front and rear surfaces tilted in relative to the supporting surface. The front surface faces toward the light source, and the rear surface faces away from the light source. | 03-26-2015 |
20150085521 | INTEGRATED BACK LIGHT UNIT - A light emitting device includes a support having an interstice and at least one LED located in the interstice and at least one of a waveguide or an optical launch having a transparent material encapsulating the at least one LED located in the interstice. | 03-26-2015 |
20150098243 | ILLUMINATION DEVICE WITH SPACED-APART DIFFRACTIVE MEDIA - This disclosure provides systems, methods and apparatus for an illumination system. In one aspect, the illumination system is a light guide that includes spaced-apart regions of medium containing diffractive features. For example, the medium may include holographic medium having holograms that are configured to redirect light, propagating through the light guide, out of the light guide. The spaces between the spaced-apart regions of media may be filled with a material having a lower refractive index than the light guide, thereby functioning as a reflective cladding in those spaces. | 04-09-2015 |
20150098244 | LED Backlight Module and the Corresponding Liquid Crystal Display - The present invention discloses a LED backlight module, which comprises a backplane; a side-type backlight source, which comprises a backlight source substrate and multiple light emitting diodes provided on the backlight light source substrate; a reflector, which is provided on the backplane; multiple light guides provided on the reflector in parallel, each light guide being provided with at least one light-incident surface and one light-emitting surface, the light-incident surface of the light guide being opposite to the LED; diffusers provided on the multiple light guides, which are opposite to the light-emitting surface of the light guide; and an optical film set, which is located above the diffuser. The embodiment of the present invention further discloses the corresponding liquid crystal display. According to the embodiment of the present invention, it can save the amount of LEDs, which is beneficial for the narrow frame of the liquid crystal display panel. | 04-09-2015 |
20150098245 | LIGHT SOURCE MODULE - A light source module includes a plurality of light emitting units, and each of the light emitting units includes a reflection plate, a light extraction plate, a sidewall structure, a light source, and a diffusion plate. The light extraction plate has a plurality of first holes, and the light extraction plate and the reflection plate are opposite to each other. The sidewall structure having a plurality of second holes is located between the reflection plate and the light extraction plate, and the reflection plate, the light extraction plate, and the sidewall structure together constitute a first light guiding cavity. The light source is located in the first light guiding cavity and adjoins the sidewall structure. The diffusion plate is located above the light extraction plate, and a second light guiding cavity is formed between the light extraction plate and the diffusion plate. | 04-09-2015 |
20150109814 | LIGHT EMITTING DIODE (LED) DEVICES - Disclosed teem are display systems comprising light-emitting, diodes (LEDs), suitably blue light LEDs, which demonstrate increased optical power output. In embodiments, the display systems include compositions comprising phosphors, including luminescent nanocrystals. | 04-23-2015 |
20150109815 | ILLUMINATION APPARATUS - An illumination apparatus includes a light source that emits light, a light guide member that has a base end surface onto which the light emitted from the light source is incident and a tip surface which is an opposite end surface to the base end surface, and guides the light from the base end surface towards the tip surface, and an attachment member that has a light shield property and an opening corresponding to a shape of the light guide member and accommodates the light guide member in the opening. The light guide member is curved so that a distance between the light guide member and the opening is gradually increased towards the tip surface-side in a longitudinal direction of the light guide member. | 04-23-2015 |
20150109816 | LIGHT GUIDE PLATE, LIGHT SOURCE DEVICE, AND ELECTRONIC APPARATUS - A light guide plate configured to guide light which is incident on an incidence surface of a plate-shaped member so as to be emitted from an emission surface includes: a light amount adjusting unit configured to adjust the amount of light emitted from an excessive light amount region of the emission surface, wherein the light amount adjusting unit is provided on one of the incidence surface and the emission surface, corresponding to the excessive light amount region. | 04-23-2015 |
20150117051 | DISPLAY DEVICE AND BACKLIGHT MODULE - A backlight module includes a bottom frame, a light guide plate, a lighting bar and a supporting bar. The light guide plate is disposed on the bottom plate of the bottom frame. The lighting elements are arranged in a row on a setting surface of the flexible circuit board of the lighting bar. Two parts of the setting surface at two sides of the row of lighting elements are a first region and a second region, respectively. The bottom of the supporting bar is attached to the bottom plate. The top of the supporting bar is attached to the first region. A portion of the light emitting surface of the light guide plate adjacent to the light incident side-surface of the light guide plate is attached to the second region. The lighting elements are between the supporting bar and the light incident side-surface. | 04-30-2015 |
20150117052 | Backlight Module and Display Panel using the same - A backlight module includes a frame, a light source, a light guide plate, a wavelength conversion layer, and an optical film group. The light source is disposed in the frame. The light guide plate is disposed in the frame, and the light guide plate includes a light emitting surface, a light incident surface, and at least one side wall. The light source is disposed corresponding to the light incident surface. The side wall connects the light emitting surface and the light incident surface. The wavelength conversion layer is at least disposed on the side wall. The wavelength conversion layer is configured for converting light provided by the light source into white color. The optical film group is disposed on the light emitting surface of the light guide plate. | 04-30-2015 |
20150124478 | LIGHT-EMITTING UNIT AND DISPLAY - Provided is a light-emitting unit that includes: a light-guide section having a light entering surface; and a plurality of light sources opposed to the light entering surface of the light-guide section and arrayed in a first direction, and each having an anisotropy in emission intensity. A pattern shape of light applied from any of the light sources to the light entering surface has a shape anisotropy, and the light sources are each disposed to allow a longitudinal direction of the pattern shape to be inclined relative to the first direction. | 05-07-2015 |
20150131307 | BACKLIGHT MODULE - A backlight module is provided and includes a back plate, a light guide plate, a light source, a frame, at least one first positioning member and at least one second positioning member. The back plate includes at least one first limiting hole. The light guide plate is disposed on the back plate. The light source is disposed on the back plate and located at one side of the light guide plate. The frame is disposed on the back plate and includes at least one second limiting hole. The first positioning member is inserted into the first limiting hole and the second limiting hole along a first direction and includes a positioning portion. The second positioning member is inserted into the frame along a second direction and fixed in the positioning portion. The first direction is different from the second direction. | 05-14-2015 |
20150131308 | BACKLIGHT MODULE - A backlight module includes a light guide plate and a supporting assembly. The light guide plate has a light input surface, a light output surface and a back surface. The supporting assembly includes a supporting frame and a light source. The supporting frame includes a first component and a second component. The first component includes a plurality of first reflective teeth. The second component includes a plurality of second reflective teeth. The light source includes an emitting surface. For light emitted from the emitting surface, a first portion travels toward the light input surface directly, a second portion is reflected toward the light input surface by the first reflective teeth, and a third portion is reflected toward the light input surface by the second reflective teeth. | 05-14-2015 |
20150131309 | ILLUMINATION DEVICE AND DISPLAY DEVICE - Provided are an illumination device capable of improving the uniformity in brightness of the illumination light, and a display device using the same. An illumination device is provided with: a plurality of light sources arranged in a row in one direction; and a light guide plate which has, along a side edge face, a light receiving face facing the light source, guides light entering through the light receiving face, and outputs illumination light from a light emitting surface disposed on the front surface; the light guide plate having a plurality of prisms and a plurality of prisms provided in an indented manner on the front or rear surface and arranged in a row along the longitudinal direction of the light receiving face; the prisms being formed spanning between the light receiving face and the opposing face opposite the light receiving face; and the prisms being formed, between adjacent prisms, deeper than the prisms within a predetermined range in the vicinity of the light receiving face. | 05-14-2015 |
20150131310 | LIGHTING ASSEMBLY WITH CONFIGURABLE ILLUMINATION PROFILE - A lighting assembly includes an edge-lit light guide and a light redirecting member. Light extracting elements at the light guide extract light from the light guide as intermediate light. Light redirecting elements at the light redirecting film are configured to redirect the intermediate light received from the light guide to illuminate a target surface in accordance with a defined illumination profile. | 05-14-2015 |
20150131311 | OPTICAL CONSTRUCTIONS INCORPORATING A LIGHT GUIDE AND LOW REFLECTIVE INDEX FILMS - Optical constructions use a low index of refraction layer disposed between a low absorption layer and a high absorption layer to increase confinement of light to the low absorption region of the optical constructions. Low index layers can be used in optical constructions that have multi-tiered light confinement. In these constructions, a first tier of reflection is provided when light is reflected at the surface of a low index optical film which is disposed directly or indirectly on a light guide. A second tier of reflection occurs at the surface of a light redirecting film having appropriately oriented refractive structures. | 05-14-2015 |
20150131312 | DISPLAY DEVICE AND BACKLIGHT MODULE - A display device and a backlight module thereof are provided. The display device comprises a backlight module and a panel. The backlight module includes a bottom frame, a light guide, an optical film structure and a top frame. The light guide is disposed above the bottom frame. The optical film structure is disposed above the light guide. The top frame covers a periphery of the optical film structure and covers a lateral side of the bottom frame. The panel is disposed above the top frame. | 05-14-2015 |
20150138827 | LIGHT SOURCE UNIT AND BACKLIGHT ASSEMBLY HAVING THE SAME - A method of protecting an LED chip from damage by ESD and EMI when the LED chip is housed in a light-emitting diode(s) housing package (LED package) and the LED package is mounted on a printed circuit board is provided. The method comprises a step of not including an ESD and EMI suppressing Zener diode within the combination of the printed circuit board and the LED package and of providing within the combination of the printed circuit board and the LED package a first conductive member and a spaced apart second conductive member which are electrically connected to the LED chip and which have defined between them at least one insulative ESD and/or EMI suppressing region which breaks down in its insulative properties when subjected to voltages of absolute magnitudes greater than a predetermined threshold voltage. | 05-21-2015 |
20150138828 | BACKLIGHT SOURCE AND DISPLAY DEVICE - Embodiments of the invention provide a backlight source and a display device. An aperture is formed in a frame of the backlight source. A light guide plate in the backlight source is provided with a flank. The flank extends outwards through the aperture. The display device includes the backlight source, and a light transmitting region for transmitting light from the flank of the light guide plate is arranged on the side wall of the display device. The light emission of the side wall of the display device is realized, the application range of the backlight source is widened and the light emitting diversity is increased on the condition of not adding other light sources. | 05-21-2015 |
20150138829 | LIGHTING DEVICE - A lighting device may be provided that includes: a body; a first light source and a second light source, which are disposed on the body and are disposed symmetrically with each other with respect to a central axis of the body; a first light guide unit which is disposed on the first light source and is coupled to the body; and a second light guide unit which is disposed on the second light source and is coupled to the body. The first light guide unit and the second light guide unit are disposed symmetrically with each other with respect to the central axis of the body. | 05-21-2015 |
20150146451 | OPTICAL THIN FILM AND EDGE-TYPE BACKLIGHT MODULE CONTAINING THE SAME - An optical thin film includes: a transparent substrate including a first surface and a second surface which is opposite to the first surface; a first light-condensing layer formed on the first surface of the transparent substrate, the first light-condensing layer having a haze value ranging from 5% to 30% and a surface roughness ranging from 0.1 RMS to 1 RMS; and a second light-condensing layer formed on the second surface of the transparent substrate. The second light-condensing layer has a haze value ranging from 70% to 100% and a surface roughness ranging from 1 RMS to 10 RMS. | 05-28-2015 |
20150293296 | LIGHT SOURCE DEVICE - A light source device including a light guide plate and a light source, in which the light guide plate includes an incident surface on which light emitted from the light source is incident, an emission surface emitting light incident from the incident surface, and a propagating reflection surface which is a surface opposite to the emission surface and which propagates and reflects the light incident from the incident surface toward the emission surface, the propagating reflection surface has approximately V-shaped grooves and the V-shaped grooves have two kinds of grooves. | 10-15-2015 |
20150301273 | DISPLAY - In a backlight module of a display, a plurality of optical films has positioning protrusions disposed in a positioning slot of a plastic frame for correct installation of the optical films on a light guide plate. One or more middle optical films further include a fixing protrusion at the side corresponding to the light source and an existing opening formed by bending a system bracket out of a holder is provided for placement of the fixing protrusion of the middle optical films. A double-sided adhesive tape disposed between a display panel and the holder is further utilized for securing the fixing protrusion such that the middle optical films can be securely fixed and not falling apart during an impact test or a falling test. | 10-22-2015 |
20150301274 | ILLUMINATION DEVICE HAVING VISCOELASTIC LIGHTGUIDE - Illumination device having a viscoelastic lightguide and a flexible light source is described. The flexible light source includes a plurality of electrically interconnected light emitting diodes disposed on a flexible mat and optically coupled to the viscoelastic lightguide. | 10-22-2015 |
20150309238 | A BACKLIGHT MODULE AND A DISPLAY DEVICE - A backlight module comprising a light guide plate ( | 10-29-2015 |
20150309240 | LIGHT GUIDE PLATE AND AN EDGE-LIT BACKLIGHT MODULE OF UTILIZING THE SAME - A light guide plate including a light guide plate main body is disclosed. The light guide plate main body has a light emitting plane, a bottom plane opposite to the light emitting plane. According to a scanning mode, the light guide plate main body is divided into a plurality of subsections. Each of the opposite edges of each subsection has a borderline, and two adjacent subsections share a borderline. Furthermore, a plurality of first scattering dots disposed on the subsections of the light guide plate main body, and a plurality of second scattering dots disposed on the borderlines of the light guide plate main body. | 10-29-2015 |
20150309243 | SPREAD ILLUMNATING APPARATUS - Light that enters from an incident light surface of a light guide plate includes not only light which is guided toward the forward direction in front but also light whose optical path is modified by optical elements while progressing through the inside of the light guide plate, and thus wasteful emission from an emitting surface is inhibited. Lights are guided in a longitudinal direction of the optical elements. Light is diffused in the course over which the lights are guided and the region to which they are guided. The lights are guided by the optical elements in the longitudinal direction of the optical elements, and thereby light diffusivity is exhibited in the region in which the optical elements are provided while controlling the directivity of the light. | 10-29-2015 |
20150309246 | LIGHT GUIDE MEMBER AND DISPLAY DEVICE - The present invention relates to a light guide member. The light guide member comprises a plurality of light guide sheets each including: a body having a curved shape; a plurality of scattering particulates dispersed in the body; a light exiting layer positioned on an outer surface of the body; and a light reflecting layer positioned on an inner surface of the body. Each of the light guide sheets has two end surfaces and two side surfaces, and at least one of the two end surfaces is used to guide light into each of the light guide sheets. The light guide member is formed by the plurality of light guide sheet connected side by side through the side surfaces. | 10-29-2015 |
20150316702 | Diffusing of direct backlight for a display panel - A rear illuminated light guide for an LCD screen with in-coupling gratings to receive backlight from an input surface and to spread received backlight laterally within the light guide. Out-coupling gratings receive laterally spread backlight and output at least some of the received laterally spread backlight through an output surface that is opposite to the input surface and towards the LCD screen. The input and output gratings have lateral offset. | 11-05-2015 |
20150323726 | LIGHT EMITTING DEVICE, DISPLAY UNIT, AND ILLUMINATION UNIT - A light emitting device includes: a light source; an optical component including a light incident surface, the light incident surface facing the light source; and a wavelength conversion member provided between the light source and the light incident surface, the wavelength conversion member crossing a first region and extending to a second region outside the first region, the first region being surrounded by the light incident surface and light paths of light that is emitted from the light source and enters edges of the light incident surface. | 11-12-2015 |
20150323729 | LIGHT EMITTING DEVICE, SURFACE LIGHT SOURCE DEVICE AND DISPLAY APPARATUS - A light emitting device includes a substrate in which a specular reflection area that specularly reflects reaching light is disposed on one surface, a light emitting element disposed on the substrate to emit light at least from a side surface, and a light flux controlling member disposed over the light emitting element to control a distribution of light to be emitted from the light emitting element. The light flux controlling member includes a rear surface disposed closer to the substrate, an incidence surface being an inner surface of a recess opening toward the rear surface and receiving light emitted from the light emitting element, and an emission surface emitting at least a part of the light incident through the incidence surface toward an outside. An outer edge portion of the specular reflection area is positioned outside an opening edge portion of the recess. | 11-12-2015 |
20150331168 | LIGHT GUIDE PLATE, DUAL-VIEW BACKLIGHT MODULE AND DUAL-VIEW DISPLAY DEVICE - A light guide plate, a dual-view backlight module having the light guide plate and a dual-view display device having the dual-view backlight module are provided. A lower surface of the light guide plate includes at least one V-shaped groove configured to reflect a light ray, which is incident onto the lower surface of the light guide plate from sides thereof, onto an upper surface of the light guide plate by sides of the at least one V-shaped groove, the reflected light ray leaving the light guide plate from the upper surface thereof. The V-shaped groove on the light guide plate refracts the light from the two sides of the V-shaped groove, so that the light leaving the upper surface of the light guide plate can form dual-view backlight with a good brightness enhancement effect and a dual-view display having a high brightness can be manufactured. | 11-19-2015 |
20150331173 | LIGHT GUIDE PLATE, BACKLIGHT MODULE AND DISPLAY DEVICE - The present invention discloses a light guide plate, a backlight module and a display device. In the light guide plate, a plurality of triangular pyramid dots are provided; two of four surfaces of each of the triangular pyramid dots are light receiving surfaces facing a backlight source, and are reflective mirror surfaces, so that incident light reaching the two light receiving surfaces from the backlight source is converted into emergent light exiting in two different directions, and then the emergent light is emitted out from the upper surface of the light guide plate. In the solution, as the triangular pyramid dots capable of converting incident light from a backlight source into emergent light exiting in two specific directions are provided in a light guide plate, the effect of dual-view backlight can be realized while providing a light guide plate or dual-view backlight module with simpler structure and lower cost. | 11-19-2015 |
20150331174 | BACKLIGHT UNIT AND DISPLAY DEVICE - A backlight unit and a display device are provided. The backlight unit includes: a circuit board ( | 11-19-2015 |
20150338084 | CONTROLLED ENVIRONMENT LIGHT FIXTURE - Controlled environment light fixture configurations include an LED light source. The light fixtures can be installed and removed from below the ceiling. The light fixture can be installed and removed without opening the lens frame of the light fixture. The light fixture includes a sealed housing and seals to the ceiling when installed. The light fixtures are provided in exterior dimension sizes that allow the fixtures to be installed in a variety of controlled environment ceilings in recessed configurations. The lower surface exposed to the controlled environment is free of welds and grinds in order to provide a corrosion resistant surface. | 11-26-2015 |
20150346414 | LIGHT GUIDE PLATE AND LIGHT SOURCE MODULE - A light guide plate and a light source module are provided. Light guide plate includes a main body and microstructures disposed on the main body. The main body includes a light-incident surface and a light-emitting surface. Each of the microstructures includes a first optical surface, a second optical surface, a third optical surface and a fourth optical surface. The first optical surface and the second optical surface are inclined in relation to the light-incident surface. A first angle is included between the first optical surface and the light-emitting surface. A second angle is included between the second optical surface and the light-emitting surface. The third optical surface and the fourth optical surface connect the first optical surface and the second optical surface. A third angle is included between the third optical surface and the light-emitting surface. A fourth angle is included between the fourth optical surface and the light-emitting surface. | 12-03-2015 |
20150346416 | ILLUMINATION DEVICE HAVING VISCOELASTIC LIGHTGUIDE - An illumination device, such as a backlight for electronic display devices, is disclosed. The illumination device includes a viscoelastic lightguide optically coupled to a light source, and a nanovoided polymeric layer is used in conjunction with the lightguide to manage light emitted by the light source. The viscoelastic lightguide may be a pressure sensitive adhesive. | 12-03-2015 |
20150346420 | Electronic Device Having Transparent Display Function and Display Device Thereof - An electronic device and a display device are provided. The electronic device includes the display device and an object to be shown. The display device includes a display panel, a first backlight module, and a second backlight module. The display panel has a transparent area corresponding to the object. The first backlight module is disposed with a gap to the display panel and generates first backlight to reach the display panel. The second backlight module has a prism sheet and a collimated illumination. The prism sheet is parallel to the display panel and corresponding to the transparent area, while the collimated illumination generates light reaching the prism sheet. The light is orientated by the prism sheet and becomes a second backlight before entering the transparent area. | 12-03-2015 |
20150346424 | Managed Illumination Lightguide - A lighting system can comprise an edgelit panel, for example a lightguide that may have a panel or slab shape with an edge that receives light from an array of light emitting diodes extending along the edge. The lightguide can guide the received light towards an opposing edge of the lightguide and gradually release light to provide illumination. An optic can manage light that reaches the opposing edge of the lightguide, for example via softening, spreading, concentrating, or diffusing the light. The optic can be mounted to or integrated in the opposing edge of the lightguide. | 12-03-2015 |
20150346426 | OPTICAL MODULE, DISPLAY DEVICE CONTAINING THE SAME AND METHOD FOR MANUFACTURING THE SAME - The present disclosure provides an optical module. The optical module includes a light guide plate and a decorative layer. The light guide plate includes at least one light-entering inclined surface, a first light-emitting inclined surface adjacent to the light-entering inclined surface and a second light-emitting inclined surface opposite to the first light-emitting inclined surface. The decorative layer is covered the second light-emitting inclined surface of the light guide plate by an injection molding process. A display device containing the optical module and a method for manufacturing the optical module are also provided herein. | 12-03-2015 |
20150346499 | THREE-DIMENSIONAL DISPLAY APPARATUS - A three-dimensional display apparatus is provided having a light guide module which guides to a display panel from a backlight. The three-dimensional display apparatus includes a first light guide, a second light guide, and an emission pattern which emits light toward the display panel. Viewing distances between a viewer's eyes and the display panel are determined by a thickness of the second light guide regardless of a thickness of the first light guide. | 12-03-2015 |
20150346541 | DISPLAY DEVICE - A television includes a liquid crystal cell, a light source unit, a light guide plate that includes a light entrance surface containing a side end surface through which light emitted from the light source unit enters, and guides light emitted from the light source unit and entering the light entrance surface such that the light travels toward the liquid crystal cell, and a mold frame disposed between the light guide plate and the liquid crystal cell, and supporting the liquid crystal cell. The television includes an elastic member disposed between the light guide plate and the mold frame, brought into contact with the light guide plate in an elastically deformed state of the elastic member, and exhibiting non-translucency to prevent transmission of light. | 12-03-2015 |
20150355402 | LIGHT GUIDE PLATE AND LIGHT SOURCE MODULE - A light guide plate and a light source module are described. The light guide plate includes a main body, first stripe microstructures and second stripe microstructures. The main body includes a light incidence surface and an optic surface. The light incidence surface is connected to the optic surface. The optic surface includes a first microstructure region and a second microstructure region arranged sequentially, and the first microstructure region is near the light incidence surface. The first stripe microstructures are disposed in the first microstructure region and extending along a direction from one side near the light-incident surface to the other side away from the light-incident surface. The second stripe microstructures are disposed in the second microstructure region along the direction. A gradient of each second stripe microstructure is gradually varied along the direction. | 12-10-2015 |
20150355403 | DIRECTIONAL GRATING-BASED BACKLIGHTING - A directional grating-based backlight includes a light guide to guide light and three sets of diffraction gratings. The diffraction grating sets are to selectively couple out portions of light to be guided by the light guide. The light is to propagate within the light guide in three different propagation directions separated in angle by about 120 degrees. The sets of diffraction gratings are to couple out different portions of the guided light as substantially collimated light using diffraction coupling. The substantially collimated light is to be emitted from the directional grating-based backlight in substantially the same direction. | 12-10-2015 |
20150355404 | DISPLAY DEVICE - A display device includes a light source which generates light, a light guide plate including a first surface receiving the light, and a second surface emitting the light, an optical sheet disposed on the light guide plate and including a sheet body and a sheet guide unit, a mold frame including a guide mold, and a side-surface mold which is extended upwards from the guide mold and in which a recess groove accommodating the sheet guide unit is defined, and a protrusion body including a first end portion inserted in the mold frame, and a second end portion coupled to the sheet guide unit, where an inserting groove in which the protrusion body is inserted is defined in the side-surface mold, and the protrusion body has a smaller width compared to a width of the inserting groove. | 12-10-2015 |
20150362653 | BACKLIGHT MODULE - A backlight module includes a backplane, a light guide plate in the backplane, and at least a backlight source in the backplane. The backplane includes a bottom plate. The light guide plate is formed with at least a groove corresponding to the at least a backlight source at a location near a side edge of the light guide plate. An opening of the at least a groove is towards the bottom plate. The at least a backlight source is installed on the bottom plate of the backplane and correspondingly arranged in the at least a groove. A side of the at least a groove near the side edge of the light guide plate is formed with a side reflective sheet. The backlight module can improve the light coupling efficiency and light utilization, achieve the reduction of energy consumption and cost down, and is suitable for large-sized LCD device. | 12-17-2015 |
20150362656 | Light Guiding Decorative Composite Sheet and Components Made Thereof - A light-guiding decorative lamination sheet includes a transparent substrate with concave and convex structures on the surface. An edge is thicker than center of the substrate. The cross section of the edge is in horn shape. The substrate is coated with a printed layer and a hard coat on the concave and convex surface with an adhesion layer on the other side of the substrate. The hard coat side faces to one surface of a pair of match molds and followed by a resin injection process unto the adhesion layer. The other surface of the mold may optionally have micro-structures that can be transferred to the surface of injected resin. An LED placed beside the horn shape edge forms the corresponding light-guiding composite sheet. A heat resistant layer, with softening temperature at least 10° C. higher than the injected molten resin, may be placed underneath the adhesion layer. | 12-17-2015 |
20150362666 | MOLD FRAME, BACKLIGHT MODULE AND DISPLAY DEVICE - The present disclosure discloses a mold frame, a backlight module and a display device. The mold frame includes sidewalls for limiting a periphery of a light guide plate and optical films in the backlight module, and a boss for limiting the light guide plate and the optical films in a direction perpendicular to an output surface of the light guide plate. The boss is provide with a recess opening towards the light guide plate. The recess is provided with a number of rollers therein in a lengthwise direction thereof. A diameter of the rollers is greater than a depth of the recess. The mold frame is applied to the backlight module. In assembly, the light guide plate, the light source and the optical films are placed in the mold frame. An outside surface of the roller provided in the boss of the mold frame abuts against the light guide plate, limiting the light guide plate in the direction of the thickness of the backlight module, thereby preventing the light guide plate from warping upward after expansion due to heat. Hence, the mold frame according to the present disclosure may reduce occurrence of phenomena such a slow light incidence efficiency of the backlight module, light leakage of the backlight module and wrinkling of the optical films. | 12-17-2015 |
20150369995 | DISPLAY APPARATUS - A display apparatus is provided. It comprises a display panel and a switching assembly comprising a transparent light guide plate located at the light incidence side of the display panel and a light source, the transparent light guide plate located at the light incidence side of the display panel and provided with a plurality of mesh points on the surface of the transparent light guide plate facing away from the display panel, the transparent light guide plate having a light incidence face, the light source being located at one side of the light incidence face of the transparent light guide plate and being switchable between one state in which the light is emitted towards the light incidence face of the transparent light guide plate and the other state in which the light is not emitted towards the light incidence face of the transparent light guide plate. | 12-24-2015 |
20150369999 | LIGHT GUIDE PLATE AND METHOD OF MANUFACTURING THE SAME, AND BACKLIGHT MODULE - The present invention discloses a light guide plate and a method of manufacturing the same, and a backlight module. The light guide plate comprises: a transparent substrate having a light emergence face, a bottom face opposite to the light emergence face, and a plurality of side faces connecting and perpendicular to the light emergence face and the bottom face; and a scattering layer and a first reflective film layer, wherein the scattering layer is formed on the light emergence face of the transparent substrate and the first reflective film layer is formed on the bottom face of the transparent substrate, or the scattering layer is formed on the bottom face of the transparent substrate and the first reflective film layer is formed on the scattering layer. | 12-24-2015 |
20150370000 | Optical Element and Method of Forming an Optical Element - According to one aspect, an optical waveguide comprises a waveguide body exhibiting total internal reflection, a substrate, and a plurality of light extraction features disposed on a surface of the substrate. The light extraction features are non-adhesively bonded to the waveguide body or may be disposed on opposing sides of the substrate. A method of forming an optical element is also disclosed. | 12-24-2015 |
20150378087 | Solid-State Luminaire - A luminaire includes (i) light-emitting elements (LEEs), (ii) couplers to receive light from the LEEs and to redirect the received light, and (iii) a light guide including input and output ends and a pair of opposing surfaces both extending along an axis of the light guide. The light guide receives light from the couplers at the input end and guides light along the axis to the output end. The luminaire includes (iv) a diffuser adjacent the light guide to diffuse at least a portion of the light output by the light guide, and (v) a reflector to receive the light emitted from the output end of the light guide, such that light output by the light guide without impinging on the diffuser impinges on only one of the surfaces of the reflector. When operated, the luminaire outputs light within first and second output angular ranges. | 12-31-2015 |
20150378088 | Illumination System Based on Active and Passive Illumination Devices - Illumination systems are described for illuminating a target area, e.g., a floor of a room, using active illumination devices in optical communication with passive illumination devices. The active and passive illumination devices of the illumination system are configured and arranged relative to each other in a variety of ways so a variety of intensity distributions can be provided by the illumination system. Such illumination system is implemented to provide light for particular lighting applications, including office lighting, garage lighting, or cabinet lighting. | 12-31-2015 |
20160003997 | ASSYMETRIC INPUT LIGHTGUIDE - The disclosure generally relates to illumination converters that are capable of converting light from one geometrical format to another. In particular, the described illumination converters are capable of converting one or more circular sources aligned adjacent each other, such as LED source(s) arranged in a line, to a linear source useful in an edgelit waveguide, which can be used in a backlight for a display. | 01-07-2016 |
20160004004 | ELECTRONIC READING DEVICE AND OPERATING METHOD FOR THE SAME - An electronic reading device and an operating method for the same are disclosed. The electronic reading device includes a front light module and a reflective display. The front light module includes a white light source and a color light source. The color light source is selected from a group consisting of a red light source, a green light source and a blue light source. The reflective display is disposed on a side of the front light module. | 01-07-2016 |
20160011339 | OPTICAL SHEET AND EDGE-LIT BACKLIGHT UNIT | 01-14-2016 |
20160011357 | BACKLIGHT MODULE AND DISPLAY DEVICE | 01-14-2016 |
20160011360 | SURFACE LIGHT-EMITTING DEVICE | 01-14-2016 |
20160011362 | TRAFFIC DIRECTION LIGHTS | 01-14-2016 |
20160011363 | LIGHTING DEVICE | 01-14-2016 |
20160011364 | Backlight Device and Display Apparatus | 01-14-2016 |
20160018584 | Optical Waveguide and Luminaire Incorporating Same - An optical waveguide includes a body of optically transmissive material having a width substantially greater than an overall thickness thereof. The body of material has a first side, a second side opposite the first side, and a plurality of interior bores extending between the first and second sides each adapted to receive a light emitting diode. Extraction features are disposed on the second side and the extraction features direct light out of at least the first side and at least one extraction feature forms a taper disposed at an outer portion of the body. | 01-21-2016 |
20160018586 | DISPLAY DEVICE - A display device includes a display panel, a backlight module and a reel. The backlight module faces the display panel and includes a light transmissive region, a light emitting region and a peripheral region, in which the peripheral region is disposed between the light transmissive region and the light emitting region. The light transmissive region includes a first edge extending along a first direction and a second edge extending along a second direction. The backlight module includes a first brightness enhancing film including first microstructures arranged along the first direction. The first microstructures that pass through the peripheral region without connecting to the first edge have less light gathering efficiency than the first microstructures that only pass through the light emitting region. The reel faces the light transmissive region, and the display panel and the reel are respectively located on opposing sides of the backlight module. | 01-21-2016 |
20160018589 | DISPLAY DEVICE - A display device that may include a bottom chassis including a base portion and one or more side portions extending at a predetermined angle from the base portion, a light guide plate on an upper surface of the bottom chassis, an optical sheet on the light guide plate, and a display panel on the optical sheet. At least one of the side portions may have a different width from the other side portions. | 01-21-2016 |
20160025300 | Illumination Device for Direct-Indirect Illumination - An illumination device includes a plurality of light-emitting elements (LEEs); a light guide extending in a forward direction from a first end to a second end to receive at the first end light emitted by the LEEs and to guide the received light to the second end; an optical extractor optically coupled to the second end to receive the guided light, the optical extractor including a redirecting surface to reflect a first portion of the guided light, the reflected light being output by the optical extractor in a backward angular range, and the redirecting surface having one or more transmissive portions to transmit a second portion of the guided light in the forward direction; and one or more optical elements optically coupled to the transmissive portions, the optical elements to modify the light transmitted through the transmissive portions and to output the modified light in a forward angular range. | 01-28-2016 |
20160033717 | PANEL LIGHT ASSEMBLY - A panel light wall assembly comprising a support frame structure including at least first and second substantially straight and parallel support frame members spaced apart on opposite sides of a light panel receiving space, a light panel assembly including a rectilinear assembly frame including first, second, third and fourth substantially straight elongated assembly frame members, a light source mounted to the first assembly frame member, a planar light guide member forming an edge and mounted to the assembly frame with the edge adjacent the light source and a fastener interacting with at least one of the first and second support frame members to secure the light panel assembly with at least a portion of the light panel assembly received within the panel receiving space and a second portion extending outside and to one side of the panel receiving space with the light guide member and light source located within the panel receiving space. | 02-04-2016 |
20160041325 | DISPLAY DEVICE - Disclosed is a display device. The display device includes: a light source; an optical sheet into which light is incident from the light source; a display panel disposed on the optical sheet and including an effective display region and a non-effective display region around the effective display region; and a light conversion/light-blocking sheet corresponding to the non-effective display region. | 02-11-2016 |
20160041327 | DISPLAY DEVICE - A display device including a light source; a wavelength conversion member to convert a wavelength of light generated from the light source; a light guide member to guide the light converted by the wavelength conversion member; and an adhering member. In addition, the wavelength conversion member includes a first surface facing the light source; a second surface facing the light guide member; a top surface extending from the first surface to the second surface; and a bottom surface facing the top surface. Furthermore, the adhering member is disposed on the top surface and the bottom surface. Also, the wavelength conversion member includes a tube, the tube receives a sealing member, an air layer and a matrix therein, and the air layer is formed between the sealing member and the matrix. | 02-11-2016 |
20160041328 | LIGHT GUIDE PLATE, BACKLIGHT MODULE AND DISPLAY DEVICE - A light guide plate and a backlight module are described. The light guide plate includes a main body and a plurality of stripe microstructures. The main body includes a light incidence surface, a light-emitting surface and a light reflective surface. The light-emitting surface is opposite to the light reflective surface, and the light incidence surface is connected between the light-emitting surface and the light reflective surface. The light-emitting surface includes a microstructure region adjacent to the light incidence surface. The stripe microstructures are arranged in the microstructure region, and parallel to a normal line of the light incidence surface. | 02-11-2016 |
20160047966 | Electrical household appliance having an illuminated interior - The invention relates to an electrical household appliance, namely a refrigeration and/or freezer device or a stove, comprising at least one luminous plate ( | 02-18-2016 |
20160047967 | LIGHT GUIDE PLATE, AND BACKLIGHT UNIT AND DISPLAY DEVICE INCLUDING THE SAME - Provided are a light guide plate, and a backlight unit and a display device including the same. The light guide plate includes a body including a light output surface configured to output light, a reflective surface provided opposite the light output surface, and side surfaces provided between the light output surface and the reflective surface; and a plurality of dot pattern formed on a surface of the reflective surface, and the dot pattern includes a central embossed portion protruding to the outside of the reflective surface, a concave portion having a ring shape which surrounds the central embossed portion and recessed and formed in the reflective surface, and an outer embossed portion formed on an outer circumference surface of the concave portion and configured to protrude to the outside of the reflective surface. | 02-18-2016 |
20160047970 | LIGHT GUIDE PLATE, AND BACKLIGHT UNIT AND DISPLAY DEVICE INCLUDING THE SAME - Provided are a light guide plate, and a backlight unit and a display device including the same. A light guide plate includes a light output surface configured to output light to the outside; a reflective surface positioned opposite the light output surface; a light incident surface provided on at least one side surface of side surfaces which connect the light output surface and the reflective surface, and configured to receive light projected from a light source; and a reflection pattern including an embossed portion having a circular shape and configured to protrude to the outside of the reflective surface when viewed in a direction perpendicular to the reflective surface, and a concave portion having a ring shape which surrounds the embossed portion and recessed in the reflective surface when viewed in a direction perpendicular to the reflective surface. Here, the center of the embossed portion is provided to be different from the center of the concave portion. | 02-18-2016 |
20160047971 | LIGHT GUIDE PLATE, AND BACKLIGHT UNIT AND DISPLAY DEVICE INCLUDING THE SAME - Provided are a light guide plate, and a backlight unit and a display device including the same. The light guide plate includes a light output surface configured to output light to the outside, a reflective surface positioned opposite the light output surface, a light incident surface provided on at least one side surface of side surfaces which connect the light output surface and the reflective surface, and configured to receive light projected from a light source, and a reflection pattern having an embossed portion formed to protrude to the outside of the reflective surface and a concave portion having a ring shape which surrounds the embossed portion and recessed in the reflective surface, wherein the embossed portion has a recessed region. | 02-18-2016 |
20160047972 | DISPLAY DEVICE AND LIGHT GUIDE PLATE THEREOF - The present invention relates to a display device and a light guide plate thereof. According to an aspect of the present invention, there is provided a display device, including: a display panel configured to output an image to a front surface of the display device; a light source array arranged along at least one edge of the display device to output light; and a light guide plate arranged behind the display panel to guide light incident upon a side surface facing the edge from the light source array so that the light is projected through a front surface toward the display panel. | 02-18-2016 |
20160047973 | LIGHT GUIDE PLATE, AND BACKLIGHT UNIT AND DISPLAY DEVICE INCLUDING THE SAME - Provided are a light guide plate, and a backlight unit and a display device including the same. The light guide plate includes a light output surface configured to output light to the outside; a reflective surface positioned opposite the light output surface; a light incident surface provided on at least one side surface of side surfaces which connect the light output surface and the reflective surface, and configured to receive light emitted from a light source; and a plurality of reflection patterns provided on the reflective surface. | 02-18-2016 |
20160054501 | Light emitting device comprising wavelenght converter - A light emitting device ( | 02-25-2016 |
20160062021 | PHOTOLUMINESCENT LAYERED COMPOSITE, BACKLIGHT UNIT, AND DISPLAY DEVICE INCLUDING THE COMPOSITE - A photoluminescent layered composite includes: a light conversion layer including a first polymer matrix and a plurality of semiconductor nanocrystals dispersed in the first polymer matrix; and a metal oxide layer, wherein the metal oxide layer includes a plurality of conductive metal oxide particles, and wherein the metal oxide layer is disposed on at least one surface of the light conversion layer. Also a backlight unit and a display device include the same. | 03-03-2016 |
20160062022 | EQUIPMENT PART HAVING LUMINOUS VISIBLE SIDE - The present invention relates to an equipment part, in particular for a motor vehicle, comprising a carrier ( | 03-03-2016 |
20160062028 | ILLUMINATION DEVICE AND DISPLAY DEVICE - According to one embodiment, an illumination device includes a light source, clad, and a plurality of cores. The clad includes a first edge at a light source side, a second edge opposite to the first edge, and a plurality of grooves formed by a plurality of partitions extending in parallel to each other from the first edge to the second edge. The cores are accommodated in the grooves, and each core includes an incident surface on which light from the light source is incident and an exit surface exposed from the groove to emit the light incident on the incident surface. | 03-03-2016 |
20160062029 | DISPLAY DEVICE - A display device includes a casing, a display panel, a backlight module and a light guide component. The display panel is disposed in the casing. The backlight module is disposed in the casing and includes a light guide plate and a light source. The light guide plate has a light emitting surface and at least one side surface. The light source is adapted to provide a light beam to the light guide plate. A part of the light beam is illuminated toward the display panel from the light emitting surface. The light guide component is disposed in the casing and has a light incident end and a light emitting end. Another part of the light beam is illuminated toward the light incident end from the side surface, and is illuminated out of the casing from the light emitting end after being transmitted in the light guide component. | 03-03-2016 |
20160062030 | LUMINAIRE FOR GENERATING DIRECT LIGHTING AND INDIRECT LIGHTING - A luminaire for generating direct lighting and indirect lighting including an LED light source for generating light and a light guide plate having a first main surface and a second main surface, which is connected to the first main surface marginally via a narrow side face, wherein the LED light source is arranged in such a way that the light is radiated into the light guide plate via the narrow side face and subsequently one part of the light is emitted for generating the direct lighting via the first large main surface. Furthermore, a reflector is provided, which is arranged adjacent to the second main surface, wherein the reflector has at least one light-transmissive region configured in such a way that a further part of the light is emitted for generating the indirect lighting via the second main surface through the light-transmissive region. | 03-03-2016 |
20160062033 | LIGHT SOURCE MODULE AND BACKLIGHT UNIT HAVING THE SAME - A light source module is provided. The light source module includes a substrate having a first surface on which a circuit portion is disposed, and a second surface disposed opposite thereto. The light source module further includes a plurality of light emitting devices mounted on the first surface of the substrate and electrically connected to the circuit portion, wherein the substrate is provided with a groove portion in the second surface thereof, and has a structure bent along the groove portion. | 03-03-2016 |
20160070057 | LED LIGHT FITTING HAVING A LIGHT-GUIDING PANEL - A light fitting has an LED light source for generating light, and a light-guiding panel, the LED light source being arranged in such a way that the light is coupled into the light-guiding panel. In addition, a support element for supporting the light-guiding panel and an LED light source carrier element are provided, the LED light source carrier element being mounted such that it is displaceable relative to the support element. | 03-10-2016 |
20160072430 | DEVICE FOR LIGHTING OR BACKLIGHTING AN IMAGE PLACED IN FRONT OF OR BEHIND A SOLAR PANEL - The invention relates to a device including a solar panel, a transparent plate serving as a light guide, an image consisting of multiple opaque or semitransparent image areas separated by totally transparent areas or micro-holes exposing said solar panel, wherein said image is printed on or directly arranged against said transparent plate, and a light source propagates the light thereof within the body of said transparent plate. Said device is particularly characterized in that said transparent plate comprises optical means arranged so as to redirect most of the light injected by said light source towards the image areas. | 03-10-2016 |
20160073536 | DISPLAY APPARATUS AND PANEL FIXING DEVICE THEREOF - A display apparatus includes a back plate having a rear wall and a peripheral wall that cooperatively define an accommodation space, a light guide plate disposed in the accommodation space, a display panel disposed in the accommodation space forwardly of the light guide plate, a plurality of stacked optical films disposed between the light guide plate and the display panel, and a panel fixing device including a first limiting unit and a second limiting unit that cooperate with each other to clamp and fix a peripheral edge portion of the display panel therebetween. | 03-10-2016 |
20160077269 | OPTICAL COMPONENTS, SYSTEMS INCLUDING AN OPTICAL COMPONENT, AND DEVICES - A lighting system including a light source capable of generating light, and an optical component optically coupled to receive at least a portion of the light generated by the light source and convert at least a portion of the light so received to a predetermined wavelength such that the light emitted by the lighting system includes light emission from the light source supplemented with light emission at the predetermined wavelength, wherein the optical component including an optical material comprises quantum confined semiconductor nanoparticles. Also disclosed is an optical component comprising a light guide plate and an optical material disposed over at least a portion of a surface of the light guide plate, the optical material comprising quantum confined semiconductor nanoparticles capable of emitting light in a predetermined spectral region. Devices are also disclosed. | 03-17-2016 |
20160085013 | LIGHT PROJECTION APPARATUS, LIGHT CONDENSING UNIT, AND LIGHT EMITTING APPARATUS - A light projection apparatus that can produce an elongate light projection pattern is provided. The light projection apparatus includes a fluorescent member which is excited with exciting light and a light projecting member which reflects or transmits the light emanating from the fluorescent member to project it outside. The fluorescent member includes an irradiated region which is irradiated with the exciting light, and the length of the irradiated region in a first direction is greater than its length in a second direction. | 03-24-2016 |
20160085018 | ILLUMINATION DEVICE AND DISPLAY DEVICE INCLUDING THE SAME - An illumination device having a first light source package including a first electrode lead and a second electrode lead, the first and second electrode leads projecting from a side of the first light source package; a second light source package including a first electrode lead and a second electrode lead, the first and second electrode leads projecting from a side of the second light source package; and a light guide member adjacent to the first and second light source packages, The light guide member includes a light guide panel, and a circuit pattern disposed on a surface of the light guide panel, the circuit pattern including first electrode pads connected to the first electrode leads and second electrode pads connected to the second electrode leads. | 03-24-2016 |
20160085020 | Light Source Device and Display Apparatus - Provided are a light source device capable of suppressing reflection of light which is irregularly reflected on a side face relating to a notch part, and a display apparatus. The light source device includes a light guide plate having a notch part formed at an edge part thereof, and a reflection sheet which is disposed to face the light guide plate and has a notch part formed at an edge part corresponding to the notch part, wherein the reflection sheet includes a low-reflection part which is provided around the notch part of a surface facing the light guide plate and has a reflectance lower than that of the reflection sheet. | 03-24-2016 |
20160085021 | Backlight Module and Display Device - Embodiments of the invention provide a backlight module and a display device. The backlight module comprises an outer frame and an optical component, wherein the outer frame includes a body portion and an extension portion connected with each other, the extension portion is positioned on one side of the body portion and has a first bent portion and a second bent portion integrally formed, the body portion has a central region and a periphery region surrounding the central region, the second bent portion is connected to the periphery region of the body portion through the first bent portion and extends to the central region of the body portion, such that a space for accommodating the optical component is enclosed by the first and second bent portions of the extension portion and the body portion. | 03-24-2016 |
20160091195 | VARIABLE-COLOR ACCESSORY AND VARIABLE-COLOR DEVICE APPLIED THERETO - A variable-color accessory is provided comprising: a plurality of accessory surfaces, a light-emitting plate, a light-scattering plate, and a control unit. The light-emitting plate is mounted inside one of the accessory surfaces, where the light-emitting plate is flexible, is bent consistently with one of the accessory surfaces, and has a plurality of light-emitting diodes for emitting different light colors. The light-scattering plate is disposed between the light-emitting plate and one of the accessory surfaces, where the light-scattering plate is flexible and transmits light. The control unit is electrically connected to the light-emitting plate, to control turn-on/off of the light-emitting diodes of the light-emitting plate. A variable-color device applied to the accessory is further provided. | 03-31-2016 |
20160097890 | COLLIMATING ILLUMINATION SYSTEMS EMPLOYING PLANAR WAVEGUIDE - An apparatus for distributing light from a planar waveguide through a collimating array. Light received within a waveguide is propagated transmissively and retained by total internal reflection, except in response to impinging upon deflector elements which sufficiently redirect the light to escape the waveguide into a collimator array that further aligns and distributes the light. | 04-07-2016 |
20160097891 | LIGHT GUIDE PLATE AND LIGHT SOURCE MODULE - A light guide plate including a first substrate, a second substrate opposite to the first substrate, a plurality of first microstructures, a plurality of second microstructures, and a plurality of third microstructures is provided. The first substrate has a light emitting surface, a first bottom surface, and a light incidence surface. The second substrate has a top surface and a second bottom surface. The top surface is located between the first substrate and the second bottom surface. The first microstructures and the second microstructures are disposed on the light emitting surface and the second bottom surface respectively and extend along a first direction parallel to the light incidence surface respectively. The third microstructures are connected between the first bottom surface and the top surface and extend along a second direction perpendicular to the light incidence surface respectively. A light source module is also provided. | 04-07-2016 |
20160103254 | DIFFUSION PLATE, METHOD FOR MAKING THE SAME, AND BACKLIGHT MODULE USING THE SAME - A diffusion plate includes a substrate and a diffusion layer attached to at least one surface of substrate. The diffusion layer includes an adhesive and a plurality of calcium carbonate nanoparticles dispersed in the adhesive and mainly used for diffusing light. A method for making the diffusion plate, and a backlight module using the diffusion plate are also provided. | 04-14-2016 |
20160103267 | DISPLAY APPARATUS - A display apparatus includes a display panel and a backlight unit. The backlight unit includes a light source emitting a first color light, a light guide member, quantum dots, and a dichroic filter preventing the first color light from being leaked. | 04-14-2016 |
20160103273 | BACKLIGHT SOURCE AND DISPLAY DEVICE - A backlight source and a display device are disclosed. The backlight source includes a frame, an optical film sheet, a light guiding plate and an embedded block. The coefficient of volume expansion of the embedded block is greater than the coefficient of volume expansion of the frame; the frame has a first transverse protrusion formed at a side in proximity to a light guiding plate, a bottom surface of the first transverse protrusion is attached to the light guiding plate by pressing, and the bottom surface has a groove provided therein, in which the embedded block is arranged. | 04-14-2016 |
20160103274 | LIGHT SOURCE MODULE - A light source module includes a circuit board, a light source electrically coupled to the circuit board including a first light emerging face, a light guide plate close to the light source and including an light incident face, a reflective piece located on one side of the light guide plate, a diffusion plate located on another side of the light guide plate, a frame used to fix the circuit board, the light guide plate, the reflective piece and the diffusion plate. The light incident face and the light emerging face cooperatively forming an angle. Light from the light source is guided by the light guide plate and reflected by the reflective piece and diffused by the diffusion plate. | 04-14-2016 |
20160109641 | BACKLIGHT UNIT AND DISPLAY DEVICE HAVING THE SAME - A backlight unit includes a light conversion member; a light guide plate including a light exit surface, a rear surface facing the light exiting surface, and connection surfaces including a first surface and a second surface facing each other to connect the light exit surface and the rear surface; a reflective member; and a light source emitting a first color light incident to the first surface and a portion of the first color light reaches the second surface on which the reflective member is disposed to specularly reflect the portion of the first color light. The light conversion member is disposed on the light exit surface, receives the first color light from the light guide plate, and emits a second color light different from the first color light. | 04-21-2016 |
20160109648 | DISPLAY DEVICE - A display device comprises: a mold frame including a support having a quadrilateral loop shape; a display panel having edge portions of a rear surface of the display panel, the edge portions being supported by the support; and a plurality of adhesive tapes disposed between the support and the display panel. The support is disposed between the plurality of adhesive tapes and has at least one protrusion protruding toward the display panel. | 04-21-2016 |
20160124134 | BACKLIGHTING MODULE AND LIGHT GUIDE MODULE BOTH COMPRISING GRADIENT INDEX LENS - A light guide module includes a light guide plate and a gradient index lens. The light guide plate has a light output surface and a light incident surface. The light incident surface is connected to the light output surface. The gradient index lens has a first surface, a second surface and a third surface. The first surface and the second surface are connected to the third surface. The first surface of the gradient index lens is attached to the light output surface. Multiple internal refractive indexes of the gradient index lens are increased gradually from the first surface to the second surface. A minimum refractive index of the multiple internal refractive indexes is less than a refractive index of the light guide plate. The incident light is refracted multiple times within the gradient index lens, and totally reflected back to the light guide plate. | 05-05-2016 |
20160124138 | LIGHT SOURCE ASSEMBLY, BACKLIGHT MODULE AND CURVE DISPLAY APPARATUS - The present disclosure provides a light source assembly, a backlight module and a curve display apparatus. It relates to the technical field of display, may improve the light incidence ratio of a light guide plate in the curve display apparatus and enhance the uniformity of the picture brightness. The light source assembly includes a light guide plate and a LED lamp bar, wherein the light guide plate is a curve light guide plate and the LED lamp bar is an arc-shaped lamp bar which has a curvature matched with the curvature of the curve light guide plate, and wherein the curve light guide plate has a set of straight sides parallel to each other and a set of curve sides having the same curvature, the arc-shaped lamp bar being arranged on a side of the curve light guide plate with the curve sides. | 05-05-2016 |
20160124139 | REFLECTIVE TRAY FOR A BACKLIGHT, COMPRISING A POLYMERIC DIELECTRIC MULTILAYER REFLECTOR - The present disclosure relates to reflective trays ( | 05-05-2016 |
20160124140 | LED Panel Light - An LED panel light comprises a cover, LED light bars, two long and strip-shaped seats which are fixed on the side faces of the cover and are used to fasten the LED light bars, and a light guide plate between the two seats with the LED light beads on the LED light bars toward the light guide plate. On the seat, there is a groove designed in the lengthwise direction. The LED light bars are fixed at the bottom face of the groove. On the lower side face of the groove, there is a flange protruding toward the upper side face. On the upper side face of the groove, there are elastic rubber strips installed in the lengthwise direction. The edges of the light guide plate plunge into the groove and the both side faces of the light guide plate press against the flange and the elastic rubber strips, respectively. | 05-05-2016 |
20160146999 | LED DEVICE, LIGHT GUIDE PLATE AND BACKLIGHT MODULE - Embodiments of the present disclosure provide a LED device, a light guide plate and a backlight module, which are capable of generating red light, green light and blue light under excitation of ultraviolet light, and reducing damages of human eyes due to blue light by attenuating or eliminating light intensity of the blue light having a wavelength of 460 nm. The LED device comprises an ultraviolet illuminant and a quantum dot film located on a light emitting side of the ultraviolet illuminant. The quantum dot film includes a quantum dot material capable of generating the red light, the green light and the blue light under excitation of ultraviolet light. The wavelength of the generated blue light is within a wave band of 450˜470 nm, and a wave crest of the generated blue light is located within the wave band excluding 460 nm. | 05-26-2016 |
20160147000 | APPARATUS FOR CONTROLLING LIGHT BEAM PATH - The present invention relates to an apparatus for controlling a light beam path. | 05-26-2016 |
20160154168 | LUMINAIRE | 06-02-2016 |
20160154171 | LIGHTING DEVICE | 06-02-2016 |
20160154174 | LIGHT GUIDE PLATE, BACKLIGHT MODULE, AND LIQUID CRYSTAL DISPLAY DEVICE | 06-02-2016 |
20160161661 | DISPLAY DEVICE AND BACKLIGHT UNIT INCLUDED THEREIN - A display device includes a display panel, a backlight unit outputting light to the display panel, and an optical member refracting or reflecting the light output from the backlight unit and providing the display panel with the light. The backlight unit includes a light source emitting the light, a light guide plate scattering the light emitted from the light source and irradiating the scattered light to a front surface of the backlight unit, a reflective sheet reflecting the light, which is irradiated to a rear surface of the light guide plate, to the light guide plate, a quantum dot sheet for converting the light, which is irradiated to the front surface of the light guide plate, into a white light, and a light-converting material provided on an edge portion of the reflective sheet to convert the light into the white light. | 06-09-2016 |
20160161662 | DIRECTIONAL BACKLIGHT UNIT - Provided is a directional backlight unit. The directional backlight unit includes a source light unit configured to generate dot source light, a linear source light generator configured to separate a plurality of source lights, which are output in a direction vertical to a line type output surface, from the dot source light according to different grating periods and generate the separated plurality of source lights as linear source lights, and a light guide panel configured to output backlight, which has a form of flat source lights and includes the plurality of source lights, in a direction vertical to a plate type output surface according to the different grating periods. The linear source light generator includes an incident surface on which the dot source light is incident and the line type output surface on which a plurality of grating patterns having the different grating periods are provided. | 06-09-2016 |
20160170127 | DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME | 06-16-2016 |
20160170226 | LASER DESPECKLER BASED ON ANGULAR DIVERSITY | 06-16-2016 |
20160177178 | RED PHOSPHOR, WHITE LIGHT EMITTING APPARATUS, DISPLAY APPARATUS, AND LIGHTING APPARATUS | 06-23-2016 |
20160177181 | ENHANCED WAVELENGTH CONVERTING STRUCTURE | 06-23-2016 |
20160178825 | LIGHT FITTING | 06-23-2016 |
20160178829 | ONE-SIDED EMISSION TYPE TRANSPARENT LIGHT GUIDE PLATE, AND SURFACE-EMITTING APPARATUS USING THIS LIGHT GUIDE PLATE | 06-23-2016 |
20160178831 | LIGHTING MODULE | 06-23-2016 |
20160178836 | DISPLAY DEVICE | 06-23-2016 |
20160187556 | SUPER DIRECTIONAL LIGHT GUIDE FILM AND THIN FILM TYPE BACK LIGHT UNIT FOR FLAT PANEL DISPLAY USING THE SAME - Provided is a back light unit for a display device that has a light guide film. The light guide film includes, for example, a light entering part at a first side; a light reflecting part disposed at a second side; and a light guiding part between the light entering part and the light reflecting part, wherein the light entering part selectively sends an incident light of an expanded light provided from a light source that satisfies a total reflection condition toward the light guiding part, and wherein the light reflecting part converts the incident light provided from the light guiding part into a collimated light and sends it to the light guiding part. | 06-30-2016 |
20160187557 | BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY DEVICE - A backlight module and a liquid crystal display device, the backlight module comprises a back plate ( | 06-30-2016 |
20160187573 | BACKLIGHT UNIT AND DISPLAY DEVICE INCLUDING THE SAME - A backlight unit and a display device including the same are provided. The display device includes: a bottom cover; a backlight unit in which a light assembly is disposed in at least one corner area of the bottom cover; and a light arriving portion formed by bending at least one corner area of the bottom cover, wherein the backlight unit includes: a substrate coupled to the light arriving portion and in which a first surface in which the light assembly is disposed and a second surface bent from the first surface are provided, and at the first and second surfaces, a plurality of leads connected to the light assembly are disposed. | 06-30-2016 |
20160187574 | LIGHT-EMITTING DEVICE AND A WEARABLE STRUCTURE WITH LIGHT FUNCTION - The present invention provides a light-emitting device comprising a light-emitting element, light guiding element, a loading structure and a transparent media. The light-emitting element is used to emit the light. The light guiding plate has an input plane and an output plane, and the input plane is coupled to the light-emitting element for guiding the light from the output plane. The transparent media with a pattern is coupled to the loading structure for covering the output plane of the light guiding plate. The light guided by the light guiding plate penetrates the pattern of the transparent media. The present invention also relates to a wearable structure having the light function. The wearable structure comprises a main body and a light-emitting device set on the main body. The light-emitting device comprises a light-emitting element, a light guiding plate and a transparent media for making the wearable structure to create different visual effects of the light. | 06-30-2016 |
20160195661 | ILLUMINATION DEVICE | 07-07-2016 |
20160195663 | LIGHTING SYSTEMS & DEVICES INCLUDING SAME | 07-07-2016 |
20160195664 | MULTIBEAM DIFFRACTION GRATING-BASED BACKLIGHTING | 07-07-2016 |
20160195668 | BACKLIGHT SOURCE AND DISPLAY APPARATUS COMPRISING THE SAME | 07-07-2016 |
20160195669 | LIGHTING ARRANGEMENT | 07-07-2016 |
20160195672 | Light Source Device and Display Apparatus | 07-07-2016 |
20160195673 | DISPLAY MODULE AND DISPLAY APPARATUS HAVING THE SAME | 07-07-2016 |
20160202411 | LIGHTING DEVICE AND DISPLAY APPARATUS | 07-14-2016 |
20160252670 | BACKLIGHT MODULE AND DISPLAY DEVICE | 09-01-2016 |
20160255739 | DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME | 09-01-2016 |
20160377785 | A LIGHT EMITTING DEVICE - A light emitting device ( | 12-29-2016 |
20170234509 | LUMINAIRE | 08-17-2017 |
20170235025 | OPTICAL FILM, AND OPTICAL BARRIER FILM, COLOR CONVERSION FILM AND BACKLIGHT UNIT EACH USING THE SAME | 08-17-2017 |
20170235029 | PRISM SHEET, CURVED BACKLIGHT SOURCE AND DISPLAY DEVICE | 08-17-2017 |
20170235036 | Light emitting device with a film-based lightguide comprising a light mixing region wrapped completely around coupling lightguides | 08-17-2017 |
20170235037 | PLANAR ILLUMINATION APPARATUS | 08-17-2017 |
20170235038 | BACKLIGHT MODULE AND ITS REFLECTIVE LAYER | 08-17-2017 |
20190146140 | GLASS ARTICLES COMPRISING LIGHT EXTRACTION FEATURES | 05-16-2019 |
20190146141 | LAMP ASSEMBLY AND ITS FRAMELESS PANEL LIGHT | 05-16-2019 |