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Light Guide Plate patents



      
           
This page is updated frequently with new Light Guide Plate-related patent applications. Subscribe to the Light Guide Plate RSS feed to automatically get the update: related Light RSS feeds. RSS updates for this page: Light Guide Plate RSS RSS



Date/App# patent app List of recent Light Guide Plate-related patents
08/27/15
20150241625 
 Liquid crystal display device with minimized bezel patent thumbnailnew patent Liquid crystal display device with minimized bezel
A liquid crystal display device is provided which has a minimized bezel by a reduction in the size of a guide panel. The liquid crystal display device can include a liquid crystal display panel; a light source; a light guide plate for guiding light from the light source to the liquid crystal display panel; a reflective plate below the light guide plate to reflect the light from the light guide plate; a guide panel having an upper surface on which the liquid crystal display panel is disposed; a double-sided tape for fixing the reflective plate to the guide panel; a bottom cover for receiving the light guide plate and the guide panel; and a top cover for coupling the bottom cover and the guide panel, wherein a part of the double-sided tape is extended to the light guide plate to be in contact with the light guide plate..
Lg Display Co., Ltd.


08/27/15
20150241623 
 Device and  producing light guide plate patent thumbnailnew patent Device and producing light guide plate
A device is provided that can accurately prepare a light guide plate having a desired color temperature and a color. An inkjet printer includes a white ink supply section in which white ink including coloring pigment-base particles is stored in an ink container, the recording head of the inkjet printer is connected to the ink container so that the recording head can discharge white ink, the white ink is adjusted so that the contained amount of the coloring pigment-base particles of copper phthalocyanine included therein is adjusted depending on a desired color temperature of the light guide plate, white ink for which the contained amount of the copper phthalocyanine is adjusted is used by the inkjet printer to form a reflection printing on the light guide plate, thereby preparing a light guide plate including the color temperature corresponding to the white ink..
Mutoh Industries Ltd.


08/27/15
20150241621 
 Illumination device and display device patent thumbnailnew patent Illumination device and display device
This backlight device (illumination device) is provided with (leds) light source; a light guide plate having a light-receiving face that opposes the leds and where light from the leds is incident, and a light-exiting surface where the incident light is emitted; and an optical sheet (optical member) arranged in opposition to the light-exiting surface of the light guide plate and imparting an optical effect to the light emitted from the light-exiting surface. Here, the optical sheet has, in at least one portion thereof, a chromaticity correction region for which x and y chromaticity coordinate values in a cie 1931 color space both decrease with distance from the leds..
Sharp Kabushiki Kaisha


08/27/15
20150241618 
 Backlight assembly and liquid crystal display including the same patent thumbnailnew patent Backlight assembly and liquid crystal display including the same
A backlight assembly capable of preventing light leakage and a liquid crystal display (lcd) device including the same are provided. The backlight assembly includes a light source unit, a light guide plate, a light conversion sheet, and a reflective tape.
Lg Display Co., Ltd.


08/20/15
20150235598 
 Backlight module and display apparatus patent thumbnailBacklight module and display apparatus
A backlight module including a light guide plate, light source sets, and controlling circuits is provided. The light guide plate has a plurality of regions, and each region of the light guide plate has a light incident surface correspondingly.
Au Optronics Corporation


08/20/15
20150234117 
 Light-source device and display device provided with same patent thumbnailLight-source device and display device provided with same
A light source device is equipped with a light source, a light guide plate into which enters light emitted by the light source through end faces of the light guide plate, and clearance adjustment parts for adjusting the clearance between the light source and the light guide plate.. .
Sharp Kabushiki Kaisha


08/20/15
20150234115 
 Antistatic light guide plate and  fabricating the same patent thumbnailAntistatic light guide plate and fabricating the same
A light guide plate (lgp) and a method for fabricating the same are disclosed, the lgp is electro-conductive. The fabrication method including the following steps: preparing an electro-conductive solution; making one or more surfaces of a regular lgp adsorb the electro-conductive solution uniformly; drying the lgp which adsorbs the electro-conductive solution to form an electro-conductive film on the one or more surfaces.
Beijing Boe Display Technology Co., Ltd.


08/20/15
20150234112 
 Side type backlight module,  producing the same and display apparatus patent thumbnailSide type backlight module, producing the same and display apparatus
The present disclosure relates to the technical file of display, in particular to a side type backlight module, a method for producing the same and a display apparatus. The backlight module comprises: a led source; a light guide plate; a wedge-shaped light guide portion located between the led source and the light guide plate; two reflectors having reflective faces located on a top and a bottom of the wedge-shaped light guide portion and inclined with respect to an upper surface or a lower surface of the light guide plate, for adjusting the light emitting angle of the led source; and a silicon gel part located between the led source and the wedge-shaped light guide portion.
Boe Technology Group Co., Ltd.


08/20/15
20150234111 
 Backlight unit patent thumbnailBacklight unit
A backlight unit includes a light guide plate (lgp), one or more light-emitting devices disposed to face a side of the lgp and configured to generate light, a circuit board electrically connected to the one or more light-emitting devices, a quantum dot bar interposed between the lgp and the one or more light-emitting devices and configured to convert a wavelength of light, and a housing configured to house the one or more light-emitting devices, the circuit board and the quantum dot bar, and comprising first and second open end portions and an open side portion through which a portion of the lgp is inserted. The backlight unit further includes first and second covers covering the first and second open end portions of the housing, respectively, and coupled to the housing.
Samsung Display Co., Ltd.


08/20/15
20150234110 
 Backlight assembly and display device including the same patent thumbnailBacklight assembly and display device including the same
A display device includes a light guide plate which includes a light incident surface, a light exiting surface connected to the light incident surface, and an opposite surface facing the light exiting surface, a light source which faces the light incident surface and is configured to emit a light, a reflective sheet which faces the opposite surface and reflects the light, a first pattern which is unitary with the light guide plate and protruded from the opposite surface, a pressure sensitive adhesive which is on an upper surface of the reflective sheet and contacts the first pattern, and a display panel which is configured to receive the light exiting through the light exiting surface and display an image.. .
Samsung Display Co., Ltd.


08/13/15
20150226996 

Display apparatus and television receiver


A liquid crystal display device includes: an led; an led substrate having the led disposed on a plate surface thereof; a liquid crystal panel that uses light from the led to perform display; a light guide plate having a front face that is a light exiting surface, a back face that is a reverse surface, and two side faces that are light receiving faces; a chassis disposed on the reverse surface side of the light guide plate; a frame disposed on a display surface side of the liquid crystal panel; and a clamping member that holds the led substrate, that sandwiches a periphery of the light guide plate, the periphery being located beside the light receiving face in the thickness direction of the light guide plate, and that covers at least the liquid crystal panel side of the led. The clamping member, by being supported at least by the frame, aligns the light guide plate against the frame in the direction of the plate surface of the light guide plate..
Sharp Kabushiki Kaisha


08/13/15
20150226988 

Transparent display apparatus


A transparent display apparatus including a backlight module, a display panel, and a switching panel is provided. The backlight module includes a light source and a light guide plate (lgp).
Chunghwa Picture Tubes, Ltd.


08/13/15
20150226971 

Head-mount type display apparatus


A head-mount type display apparatus includes: a display configured to display an image; a light guide plate configured to transmit light which enters the light guide plate through a light incident surface formed at a first side of the light guide plate; a plurality of first split mirrors configured to be arranged in sequence along a first direction, and reflect light so that light from the display can be split in the first direction and enter the light incident surface; and a plurality of second split mirrors configured to be arranged in sequence along a second direction, split light transmitted through the light guide plate in the second direction, and reflect the split light so that the image displayed on the display can be recognized.. .
Samsung Electronics Co., Ltd.


08/13/15
20150226913 

Lighting device, display device and television device


A backlight unit 24 includes leds 28, a light guide plate 20, a heat dissipation member 36, led boards 30, and adhesive tapes 38. The light guide plate 20 includes a front surface configured as a light exit surface 20b, a rear plate surface as an opposite surface 20c that is opposite from the light exit surface 20b, long side-surfaces configured as light entrance surfaces 20a.
Sharp Kabushiki Kaisha


08/13/15
20150226911 

Edge-lit surface light source device


Led light source substrates (140) in an edge-light type surface light source device are disposed with a light guide plate interposed therebetween. A length of each of the led light source substrates is shorter than a length of a plane of incidence of the light guide plate.
Sharp Kabushiki Kaisha


08/13/15
20150226909 

Display module and light guide device


A display module is provided. A light source is configured to provide an illumination beam.
Himax Display, Inc.


08/13/15
20150226908 

Spread illuminating apparatus


In a spread illuminating apparatus, a light guide plate has a light incident wedge portion including a tilted surface and having a thickness reduced from the light incident surface side toward the emitting surface side. The tilted surface has an s-shape as viewed from a side, which has a convex portion on the light incident surface side and a concave portion on the emitting surface side with an inflection point therebetween.
Minebea Co., Ltd.


08/13/15
20150226907 

Light guide module


A light guide module includes a light guide plate and a light source. The light guide plate has an active area and a light-mixed area.
E Ink Holdings Inc.


08/13/15
20150226906 

Front light module and electronic paper display device having the same


The front light module includes a light guide plate, a light source, a first light transmissive substrate, a second light transmissive substrate, and a printing ink layer. The light guide plate has a first light emitting surface, a second light emitting surface, and a light incident surface.
E Ink Holdings Inc.


08/13/15
20150226901 

Backlight module


A backlight module includes a light guide plate having a bottom surface, a light emitting surface, a first light incident surface, and microstructures. Each microstructure recesses into or protrudes from the bottom surface and has a first and a second surfaces.
Young Lighting Technology Inc.


08/13/15
20150226899 

Back light module


A back light module comprising a light-emitting module, a light transparent refraction plate and a light guide plate is disclosed. The light-emitting module comprises a substrate and several light-emitting components disposed on the substrate.
Lextar Electronics Corporation


08/13/15
20150226898 

Light source module and display device


A light source module is provided. At least one light-emitting device emits light and is disposed beside the light guide plate.
E Ink Holdings Inc.


08/06/15
20150219954 

Display apparatus and television receiver


A liquid crystal display apparatus is provided with: an led; a liquid crystal panel; a light guide plate having a light input surface; a chassis having a second bottom plate section; a frame; an led substrate; a heat dissipating member, which is disposed such that the heat dissipating member can slide in the direction orthogonal to the light input surface, the heat dissipating member holding the led substrate on one plate surface, and having a plate-like attaching section disposed on the second bottom plate section; a side plate section, which is disposed on the side opposite to the light input surface with the attaching section therebetween, the side plate section extending in a board-shape from the frame, and having a through hole; and an adjusting screw, which has a shaft shape, and which penetrates the side plate section through the through hole such that one end of the adjusting screw faces the attaching section, the adjusting screw being capable of bringing the one end closer to the light input surface side when the other end of the adjusting screw is screwed to the side plate section side.. .
Sharp Kabushiki Kaisha


08/06/15
20150219943 

Display apparatus


A backlight assembly outputs light. A display panel receives the light and displays an image.
Samsung Display Co., Ltd.


08/06/15
20150219940 

Curved backlight assembly and curved display device having the same


A curved backlight assembly includes a curved light guide plate (“lgp”), at least one light-emitting diode (“led”), a printed circuit board (“pcb”) and a curved led cover. The lgp includes a first side and a second side.
Samsung Display Co., Ltd.


08/06/15
20150219838 

Backlight unit and display device having the same


A backlight unit includes a light source unit supplying light, a light guide plate guiding and emitting the light provided from the light source unit to emit the guided light, a reflective sheet disposed below the light guide plate, a lower cover accommodating the light source unit, the light guide plate, and the reflective sheet, and a fixing unit fixing the light guide plate, the reflective sheet, and the lower cover. The fixing unit includes a fixing screw fixing the light guide plate, the reflective sheet, and the lower cover, and a fixing screw holder surrounding at least one portion of the fixing screw to absorb an impact due to movement of the fixing screw..
Samsung Display Co., Ltd.


08/06/15
20150219837 

Light source module and display apparatus


A light source module includes a substrate on which a light source is mounted, a light guide plate having one surface configured to emit light made incident from a side surface of the light guide plate opposed to the light source, a support configured to support the substrate at an opposite surface opposed to the side surface of the light guide plate, and an attachment member configured to attach the substrate to the support, wherein the attachment member includes a latch part to be latched to the support and a holding part configured to hold the substrate between the opposite surface and the holding part, and a height of the holding part that is holding the substrate from a surface of the substrate is higher than a height of the light source from the surface of the substrate.. .
Sakai Display Products Corporation


08/06/15
20150219835 

Display device


A display device is provided. The display device includes: a display panel; a light source assembly; a light guide plate (lgp); a mold frame; and a bottom chassis.
Samsung Display Co., Ltd.


08/06/15
20150219832 

Backlight assembly and display device having the same


Provided are a backlight assembly and a display device having the same. A backlight assembly includes a light source unit which emits light, a light guide plate (lgp) including an incident surface upon which light emitted from the light source unit is incident, an opposite surface which faces the incident surface, and an exit surface which connects the incident surface and the opposite surface and from which light incident upon the incident surface exits, a wavelength conversion member which is located on the exit surface and converts a wavelength of light output from the exit surface, and a first reflective member which is located on the opposite surface and reflects light incident upon the opposite surface, wherein the first reflective member includes a plurality of first color patterns which face the opposite surface..
Samsung Display Co., Ltd.


08/06/15
20150219826 

Display device


A display device is provided, which comprises: a display panel comprising a substrate; and a light guide plate disposed on a light incident side of the display panel, wherein a difference between expansion ratios of the substrate and the light guide plate is in a range from 0% to 0.5% when a temperature of the display panel is between 0° c. And 150° c.
Innolux Corporation


08/06/15
20150219824 

Spread illuminating apparatus


A spread illuminating apparatus includes a light source that emits white light, and a light guide plate including an incident light surface which is an end surface at which the light source is disposed and an emitting part that emits light which has entered from the incident light surface in a spread pattern from an emitting surface. The light guide plate includes an incident light wedge part between the incident light surface and the emitting part, the incident light wedge part including an inclined surface and tapering in thickness from the incident light surface side toward a forward direction.
Minebea Co., Ltd.


07/30/15
20150212261 

Lighting apparatus, display apparatus, and television receiver


A backlight apparatus includes leds; a light guide plate; an optical member; a chassis formed by bending a metal plate material, the chassis including a bottom plate (plate portion) that extends along the light guide plate, a rising portion (first extending portion) that rises from the bottom plate on an opposite side to the light guide plate and forms a first corner portion with the bottom plate, and a height-difference portion that forms a second corner portion with the rising portion and provides a height-difference portion with respect to the bottom plate; and a heat dissipating member that dissipates heat of the leds, the heat dissipating member including a light source attachment portion to which the leds are attached and a chassis contacting portion that is contiguous with the light source attachment portion and is in contact with the height-difference portion from the opposite side to the light guide plate.. .
Sharp Kabushiki Kaisha


07/30/15
20150212260 

Backlight module and liquid crystal display including the backlight module


The present disclosure relates to a backlight module and a liquid crystal display using the backlight module. The backlight module includes a front frame, a backboard, and a light guide plate and a backlight, which are both arranged in the backboard.
Shenzhen China Star Optoelectronics Technology Co.


07/30/15
20150212259 

Liquid crystal display


Provided is a liquid crystal display (lcd) with improved heat dissipation and reduced thickness. The lcd includes for an embodiment: a lower housing; a heat-dissipating member which is disposed in the lower housing; a plurality of point light sources which are disposed on the heat-dissipating member; a plurality of electric wires which supply power to the point light sources; and a light guide plate (lgp) which is disposed in the lower housing in such a way that side surfaces of the lgp face the point light sources..
Samsung Display Co., Ltd


07/30/15
20150212257 

Backlight module and liquid crystal display including the same


The present disclosure relates to a backlight module and a liquid crystal display using the backlight module. The backlight module comprises an outer frame, a glue frame, a bending heat dissipating plate, and a light guide plate all amounted within the outer frame, a light source lamp facing the light guide plate being arranged on the side wall of the heat dissipating plate at the light-incoming side of the light guide plate.

07/30/15
20150212254 

Backlight module


A backlight module is provided with at least one light guide plate each including a plurality of openings; a white reflective film bent to conceal the at least one light guide plate and including a plurality of circuitries, a plurality of paired conductive terminals and a plurality of through holes; and at least one illumination unit disposed under the at least one light guide plate, each of the at least one illumination unit including a circuit member and a plurality of leds each disposed in one of the openings. The light emitted by the leds is directed to the at least one light guide plate and is further directed out of the white reflective film via the through holes..

07/30/15
20150212252 

Light guide plate, light source device, light guide plate manufacturing apparatus, and manufacturing light guide plate


A light guide plate according to the present invention includes a light guide member having a first and second main surfaces and a diffusing member next to at least one of the first and second main surfaces of the light guide member. A plurality of recesses are formed in one of the two main surfaces of the diffusing member that is opposite to the main surface next to the light guide member to diffuse light incident to the light guide member at the recesses.

07/30/15
20150212250 

Light guide module and bi-stable display device having the same


A light guide module includes a light guide plate, a light source, and a reflector. The light guide plate has a light mixed region and a visible region.
E Ink Holdings Inc.


07/30/15
20150212249 

Liquid crystal display device, electronic apparatus, and illumination device


Provided is a liquid crystal display device including: an illumination device, and a liquid crystal panel that is arranged so as to be stacked on a light-emitting surface side of the illumination device, wherein the illumination device includes a light guide plate in which a side end surface extending in a first direction is a light incident portion, a plurality of light-emitting elements that align along a first direction and, each of the plurality of light-emitting elements faces a light-irradiating surface in the light incident portion, and a plurality of groove rows that are formed of a plurality of grooves which are linearly arranged in a second direction on an opposite surface facing the light-emitting surface of the light guide plate, the second direction intersects the first direction in an in-plane direction of the light-emitting surface, and that are arranged in parallel in the first direction.. .
Seiko Epson Corporation


07/30/15
20150211711 

Multi-sheet for back light unit and method thereof


A composite sheet for a backlight unit using a printless light guide plate in a liquid crystal display television, which includes a first prism sheet positioned directly on the printless light guide plate, a second prism sheet having a prism pattern formed in a direction orthogonal to a direction of a prism pattern of the first prism sheet, and a protective sheet, where ribs of the first prism sheet are adhered to the lower surface of the second prism sheet, and ribs of the second prism sheet are adhered to the lower surface of the protective sheet. A method of manufacturing the composite sheet for a backlight unit is also provided..
Glotec Co., Ltd.


07/23/15
20150205165 

Direct backlight module


The present invention provides a direct backlight module, which includes a backplane, a plurality of led light bars retained on the backplane, a plurality of light guide plates arranged alternate with respect to the led light bars, and a diffusion plate mounted on the backplane. The direct backlight module includes the light guide plates that are arranged between the led light bars to improve utilization rate of light energy of the led light bars so as to reduce the number of led lights included in the led light bars to thereby reduce the manufacturing cost.
Shenzhen China Star Optoelectronics Technology Co. Ltd.


07/23/15
20150205038 

Illumination device, display device, and television reception device


A backlight device is provided with the following: leds; a light guide plate formed in a rectangular plate shape and having at the end surfaces thereof a light-receiving face opposing the leds and a reflection surface disposed on the side opposite the light-receiving face, and having on the plate surface thereof a light-emitting surface that emits light; a portion to be supported provided to the corner part, from among the corner parts of the light guide plate, that is disposed on the opposite surface side; a supporting portion that supports the light guide plate in a first direction and a second direction by coming into contact with the portion to be supported, when the first direction is a direction in which the leds and the light guide plate are lined up, and the second direction is a direction that is orthogonal to the first direction and that follows along the light-emitting surface of the light guide plate; and a inclined portion that is provided to the portion to be supported and that forms a slanted shape with respect to both the first direction and the second direction, and by facing outward in the second direction is distanced from the leds in the first direction.. .
Sharp Kabushiki Kaisha


07/23/15
20150205037 

Dual-sided display device and its backlight module


The dual-sided display device contains a light guide plate having at least a light entry face, a first light emission face, and a second light emission face oppositely positioned to the first light emission face; at least a light source unit adjacent to the light entry face; at least a heat dissipation base carrying the light source unit and dissipating the heat produced by the light source unit; a first frame member and a second frame member, where the first frame member is positioned above the first light emission face, the second frame member is positioned below the second light emission face, the first and second frame members are fixedly joined to the heat dissipation base, and the light guide plate is fixedly positioned in an accommodation space; and a first display panel and a second display panel, where the first display panel is fixedly positioned on the first frame member oppositely to the first light emission face, the second display panel is fixedly positioned beneath the second frame member oppositely to the second light emission face.. .
Shenzhen China Star Optoelectronics Technology Co. Ltd.


07/23/15
20150205036 

Lighting device, display device and television device


A backlight unit 24 includes a light guide plate 20, a first led 28, a second led 29, and a frame 14. The light guide plate 20 includes two end surfaces configured as light entrance surfaces 20a1 and 20a2, a light exit surface 20b on the front side, and an opposite surface 20c on the rear side.
Sharp Kabushiki Kaisha


07/23/15
20150205034 

Light guide plate comprising decoupling elements


The invention relates to a planar light distribution module for a display, comprising a light guide plate through which light coupled in via at least one side face can propagate by means of total reflection, and at least one out-coupling device (2), which is applied on one or both of the main faces of the light guide plate (1), is in optical contact therewith and has a multiplicity of holographic optical elements (13) formed therein, which are configured in such a way that they can couple light out of the light guide plate (1), the light distribution module being characterized in that the holographic optical elements (13), independently of one another, have an extent of at least 300 μm in at least one spatial axis extending parallel to the surface of the out-coupling device (2). The invention furthermore relates to an optical display, in particular an electronic display..
Bayer Materialscience Ag


07/23/15
20150205032 

Directional backlight unit


Provided is a directional backlight unit that enables a three-dimensional (3d) image to be viewed at various viewing angles. The directional backlight unit includes a light source configured to emit light, a first reflector configured to reflect light emitted from the light source, a second reflector configured to additionally reflect the light reflected by the first reflector, a light guide plate configured to accommodate the light reflected by the first reflector or the second reflector and output the light to an outside, and an angle adjustor configured to rotate the first reflector or the second reflector to a reflective angle.
Electronics And Telecommunications Research Institute


07/23/15
20150205030 

Panel light


A panel light includes a light guide plate, l-typed frames and a light bar. The l-typed frames are connected with each other and surround edges of the light guide plate.
Lextar Electronics Corporation


07/16/15
20150198763 

Backlight module and liquid crystal display device using same


The present invention provides a backlight module and a liquid crystal display device using the backlight module. The backlight module includes a backplane (2), a light guide plate (4) arranged in the backplane (2), a backlight source (6) arranged in the backplane (2), and a heat dissipation plate (8) arranged between the backlight source (6) and the backplane (2).
Shenzhen China Star Optoelectronics Technology Co., Ltd.


07/16/15
20150198762 

Led package and a backlight unit comprising said led package


A light emitting diode (led) package includes: a main body mounted on a substrate; a light emitting diode that is mounted in the main body and emits light; and a lead frame exposed to allow the main body to be selectively top-mounted or side-mounted. A backlight unit includes: a light guide plate configured to allow a light source to proceed to a liquid crystal panel; a light emitting diode (led) mounted in a main body mounted on a substrate and generating a light source; and an led package having a lead frame exposed to allow the main body to be selectively top-mounted or side-mounted, and being mounted on the light guide plate..

07/16/15
20150198757 

Visual display backlight unit


A backlight unit suitable for use in illuminating a liquid crystal display panel of a display device. The backlight unit comprises a light guide plate, the light guide plate comprising a glass substrate with at least one edge, an intermediate waveguide physically and optically coupled to the at least one edge along a length of the edge, and a light source optically coupled to the intermediate waveguide.
Corning Incorporated


07/16/15
20150198756 

Optical pattern sheet, backlight unit, and liquid crystal display having the same


A backlight unit including an optical pattern sheet and a liquid crystal display are provided. The backlight unit includes a light guide plate, a light source portion arranged adjacent to a side surface of the light guide plate to emit light, a mold frame having an extension portion that covers an upper portion of the light source portion and a part of an upper portion of the light guide plate, and an optical pattern sheet arranged on a lower portion of the extension portion to shade or diffuse incident light, wherein the optical pattern sheet includes a base film and an optical pattern portion positioned on the base film..
Samsung Display Co., Ltd


07/09/15
20150192731 

Bendable display apparatus


A display apparatus in which a display module in a state of a curved surface is provided. The display apparatus includes: a display panel configured to display an image and which is bendable; a light guide plate which guides light toward the display panel; and a guide unit which guides the light guide plate to be maintained in a state of a curved surface, wherein the guide unit includes a shape of a curved surface in which both ends of the guide unit protrude forward relative to a center portion of the guide unit..
Samsung Electronics Co., Ltd.


07/09/15
20150192729 

Lighting device, display device, and television device


A backlight unit 12 includes a chassis 14, an led 17, a light guide plate 19, a duct member 22, and dissipative led attachment portion 30. The chassis 14 includes a light exit portion 14c through which light exits.
Sharp Kabushiki Kaisha


07/09/15
20150192727 

Display apparatus


A display apparatus includes a display panel, a light guide plate, at least one light source and at least one reflective body. The light guide plate is disposed below the display panel.
Au Optronics Corporation


07/09/15
20150192726 

Backlight module, liquid crystal panel and display device


The embodiments of the present invention disclose a backlight module, a liquid crystal panel and a display device. The backlight module comprises: a light guide plate (5), a plurality of polarization-maintaining optical fibers (3) and a plurality of monochrome laser light sources (1) provided at a lateral portion of the light guide plate (5).
Boe Technology Group Co., Ltd.


07/09/15
20150192725 

Light guide comprising decoupling elements


The invention relates to a planar light distribution module for a display, comprising a light guide plate through which light coupled in via at least one side face can propagate by means of total reflection, and at least one planar out-coupling device (2), which is applied on one or both of the main faces of the light guide plate (1), is in optical contact therewith and has a multiplicity of holographic optical elements (13) formed therein, which are configured in such a way that they can couple light out of the light guide plate (1), the light distribution module being characterized in that the holographic optical elements (13) are arranged in the out-coupling device (2) without translational symmetry. The invention furthermore relates to an optical display, in particular an electronic display, which contains a light distribution module according to the invention..
Bayer Materialscience Ag


07/09/15
20150192724 

Area light source device and display device using same


The present invention relates to an area light source device and a display device using the area light source device. The present invention includes a point light source, and a light guide plate.
Mitsubishi Electric Corporation


07/09/15
20150192265 

Vehicle headlight device


A vehicle headlight device includes a light guide plate, a light source device and a light-pattern adjustment plate. A thickness of the light guide plate is gradually increased from a light incident side to a light reflection side, and the light reflection side is provided with a parabolic surface.
Coretronic Corporation


07/02/15
20150185540 

Display device and television device


A liquid crystal display device 10 includes an led unit 30, a liquid crystal panel 11, a light guide plate 16, a chassis 14, and a frame 13. The led unit 30 includes an led 17 and an led board 18.
Sharp Kabushiki Kaisha


07/02/15
20150185411 

Lighting device, display device and television device


A backlight device 12 includes leds 17, a light guide plate 16, a chassis 14, and a light source mounting member 30. The light guide plate 16 included a front surface configured as a light exit surface 16a, a rear surface configured as an opposite surface 16c, and two side surfaces configured as light entrance surface 16b.
Sharp Kabushiki Kaisha


07/02/15
20150185410 

Backlight assembly and display including the same


A backlight assembly includes a light source portion configured to emit light and a wavelength conversion member disposed on an upper portion of the light source portion. The wavelength conversion member is configured to convert a wavelength of the light emitted from the light source portion.
Samsung Display Co., Ltd,


07/02/15
20150185409 

Backlight assembly including light leakage preventing unit and liquid crystal display including the same


Provided is a backlight assembly including: a light source which generates and emits light; a light leakage preventing member including a first horizontal portion and a first vertical portion; a light guide plate including a light input surface and a light output surface; an optical sheet disposed on the light output surface of the light guide plate; and a bottom chassis configured to receive the light source, the light leakage preventing member and the light guide plate therein, in which the light source is disposed at a side of the light guide plate, the first vertical portion of the light leakage preventing member is attached to a rear surface of the light source, and the first horizontal portion is positioned above the light source to overlap a portion of the light output surface of the light guide plate.. .
Samsung Display Co., Ltd.


07/02/15
20150185404 

Light guide plate and fabricating the same


Disclosed herein is a light guide plate formed by injection molding of an aromatic polycarbonate resin that is a polymer of an aromatic dihydroxy compound and a diaryl carbonate. The aromatic dihydroxy compound and the diaryl carbonate are present in a mole ratio of about 1:1.02 to about 1:1.35, and the aromatic polycarbonate resin has a weight average molecular weight from about 10,000 g/mol to about 18,000 g/mol and includes about 5 mol % to about 30 mol % of terminal hydroxyl groups relative to total moles of terminal groups.
Samsung Sdi Co., Ltd.


07/02/15
20150185398 

Light guide plate


A light guide plate includes a main body and trapezoid-like structures. The main body includes a light-incident surface, a first main surface and a second main surface opposite to the first main surface.
Radiant Opto-electronics Corporation


07/02/15
20150185395 

Edge-type backlighting module and light guide plate


The present disclosure provides an edge-type backlight module including a back cover, a led light source and a light guide plate. The back cover includes a bottom plate and a plurality of sidewalls.
Hon Hai Precision Industry Co., Ltd.


07/02/15
20150185394 

Light source module and display device


A light source module that includes a light guide strip, at least one light-emitting device, and a light guide plate (lgp) is provided. The light guide strip includes at least one light-incident end and a light-emitting surface.
E Ink Holdings Inc.


07/02/15
20150185392 

Light guide plate


A light guide plate includes a light entry surface with first elongated elements, and a light exit surface with second elongated elements. Each of the first and second elongated elements serves to guide light, and has a cross-section in a shape of a circular segment..
Radiant Opto-electronics Corporation


06/25/15
20150177551 

Liquid crystal display device


The present invention discloses an lcd device. The lcd device includes a bezel, a light guide plate on the light source for guiding light, an optical film on the light guide plate for processing the guided light through the light guide plate, an lcd panel directly carried on the optical film, a driving chip, a fpc with metal wires, wherein the driving chip bonds with the fpc and is used for being coupled to the lcd panel via the metal wires of the fpc, and a heat sink attached between the bezel and the fpc and used for dissipating heat generated from the driving chip..
Shenzhen China Star Optoelectronics Technology Co. Ltd.


06/25/15
20150177453 

Lighting device, display device, and television device


A backlight unit includes a light guide plate 16, leds 17, a chassis 14, a frame 13 and positioning members 30. The light guide plate 16 includes two edge surfaces that are light entrance surfaces 16b and a front surface that is a light exit surface.
Sharp Kabushiki Kaisha


06/25/15
20150177449 

Backlight device and display apparatus


The backlight device included in the display apparatus is provided with: a light guide plate, a front chassis (pressing member) disposed at the front side of the light guide plate; and a heat sink (supporting member) having a plate-shaped connecting part (connecting plate) disposed at the side of the light guide plate, to be connected with other members. A through hole is formed in the connecting part, and a nut, which is necessary for connecting a bezel and the front chassis with a screw, is press-fitted into the through hole.
Sakai Display Products Corporation


06/25/15
20150177448 

Side-edge backlight module


The present invention provides a side-edge backlight module, which includes: a backplane (2), a backlight source (4) mounted in the backplane (2), and a light guide plate (6) mounted in the backplane (2). The backlight source (4) includes a circuit board (42), a plurality of led lights (44) mounted to and electrically connected with the circuit board (42), a plurality of vertical heat dissipation boards (46) mounted to the circuit board (42) and arranged between the led lights (44), and horizontal heat dissipation boards (48) perpendicularly connected to the vertical heat dissipation boards (46).
Shenzhen China Star Optoelectronics Technology Co. Ltd.


06/25/15
20150177446 

Display device and television device


A display device 10 includes a display panel 11, a light source row 170, a light guide plate 16, a chassis 14 and a recess portion 134b that is fitted the chassis 14. The light guide plate 16 includes a positioning projection portion 160 that is fitted to the recess portion 134b.
Sharp Kabushiki Kaisha


06/25/15
20150177438 

Display having backlight with narrowband collimated light sources


A display has an array of display pixels formed from display layers such as one or more polarizer layers, a substrate on which an array of display pixel elements such as color filter elements and downconverter elements are formed, a liquid crystal layer, and a thin-film transistor layer that includes display pixel electrodes and display pixel thin-film transistors for driving control signals onto the display pixel electrodes to modulate light passing through the display pixels. A light source such as one or more laser diodes or light-emitting diodes may be used to generate light for the display.
Apple Inc.


06/25/15
20150176775 

Display having backlight with narrowband collimated light sources


A display has an array of display pixels formed from display layers such as one or more polarizer layers, a substrate on which an array of display pixel elements such as color filter elements and downconverter elements are formed, a liquid crystal layer, and a thin-film transistor layer that includes display pixel electrodes and display pixel thin-film transistors for driving control signals onto the display pixel electrodes to modulate light passing through the display pixels. A light source such as one or more laser diodes or light-emitting diodes may be used to generate light for the display.
Apple Inc.


06/18/15
20150170582 

Lighting device, display device, and television device


A backlight unit 12 includes a light guide plate 16, first leds 17a, second leds 17b, first support members 28, and second support members 29. The first leds 17a are opposed to a first light entrance surface 16na that is a first edge surface 16e1 of the light guide plate 16.
Sharp Kabushiki Kaisha


06/18/15
20150168781 

Direct-light type backlight module


A direct-light type backlight module includes a light guide module, and a light source module configured for optical coupling to the light guide module. The light guide module includes a back cover and a light guide plate fixed on the back cover.
Hon Hai Precision Industry Co., Ltd.


06/18/15
20150168770 

Liquid crystal display device


An embodiment of the present invention provides a liquid crystal display device including: a backlight unit including a light guide plate under a liquid crystal panel and a light source at a first side of the light guide plate; a main frame surrounding the backlight unit and including a first guide wall and a first supporting portion, the first guide wall protruding from each corner of an upper surface of the main frame, and the supporting portion extending from adjacent two corners of the upper surface at the first side toward the backlight unit; a light-shielding tape attached on the upper surface of the main frame by being guided by the first guide wall and including a first chamfer portion at each corner and a protrusion at adjacent two corners at the first side, wherein the first chamfer portion and the protrusion correspond to the first guide wall and the first supporting portion, respectively; and a liquid crystal panel disposed over the backlight unit and attached on the light-shielding tape.. .
Lg Display Co., Ltd.


06/18/15
20150168638 

Planar light source and producing light-emitting device


A planar light source comprises a light guide plate and a light-emitting apparatus disposed on a lateral surface of the light guide plate. The light-emitting apparatus comprises a light-emitting device, a case, and a sealing resin.
Toyoda Gosei Co., Ltd.


06/18/15
20150168634 

Display device and backlight module thereof


A display device includes a backlight module and a display panel. The backlight module includes a light guide plate, a light source, a reflecting sheet and a light transmissible member.
Qisda Corporation


06/18/15
20150168629 

Backlight module


The present invention provides a backlight module, which includes: a backplane (2), a light guide plate (4) arranged in the backplane (2), a backlight source (6) arranged in the backplane (2) and located at one side of the light guide plate (4), a light shield (8) arranged between the backlight source (6) and the backplane (2), and a side reflection plate (10) arranged between the light guide plate (4) and the backlight source (6). The backlight source (6) includes an led substrate (62) and a plurality of led lights (64) mounted on the led substrate (62).
Shenzhen China Star Optoeclectronics Technology Co.,ltd.


06/18/15
20150168628 

Mat toy


A mat toy includes a mat and an illuminating module on the mat. The illuminating module has a light guide plate.
D.j. Toys Enterprise Corp.




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Light Guide Plate topics: Light Guide Plate, Light Guide, Liquid Crystal, Liquid Crystal Display, Display Panel, Control Unit, Terminal Equipment, Led Substrate, Partitioning, Prism Sheet, Irradiation

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