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Light Guide Plate patents



      

This page is updated frequently with new Light Guide Plate-related patent applications.




Date/App# patent app List of recent Light Guide Plate-related patents
06/16/16
20160170132 
 Lighting device and display apparatus patent thumbnailLighting device and display apparatus
A lighting device used as a backlight of a display apparatus includes multiple light guide plates, and a light source located near an entrance edge of each light guide plate to emit light. A gap is provided between the light guide plates, and the position of the entrance edge is fixed among the edges of the light guide plate.
Sakai Display Products Corporation


06/16/16
20160170130 
 Backlight unit and liquid crystal display device including the same patent thumbnailBacklight unit and liquid crystal display device including the same
Provided is a backlight unit in which a light blocking film is attached between a reflective sheet and a circuit board of a light source unit to shield a space between the reflective sheet and the circuit board, thus suppressing the reflective sheet from being stripped and minimizing light leakage. The backlight unit includes the light source unit, a light guide plate, the reflective sheet, and the light blocking film..
Lg Display Co., Ltd.


06/16/16
20160170128 
 Light guide plate and  the production thereof patent thumbnailLight guide plate and the production thereof
Light guide plates, e.g. In backlight units (blus) or in light panels, have maximum uniformity of thickness and are composed of colourless transparent materials.

06/16/16
20160170127 
 Display apparatus and  manufacturing the same patent thumbnailDisplay apparatus and manufacturing the same
A display apparatus according to an embodiment of the inventive concept may include a display panel, a light guide panel, and the light source. The light guide plate may include a light guide portion, a barrier rib portion, a wavelength conversion portion, and a cover portion.
Samsung Display Co., Ltd.


06/16/16
20160170125 
 Display device patent thumbnailDisplay device
A display device includes a display panel receiving light and displaying an image, a light guide plate guiding the light to the display panel, a printed circuit board disposed adjacent to one side of the light guide plate and including first and second areas alternately defined therein, light sources mounted on the printed circuit board to correspond to the first area and to supply the light to the light guide plate, a first barrier wall disposed on the printed circuit board and extending in a direction in which the light sources are arranged, and a second barrier wall facing the first barrier wall such that the light sources are disposed between the first and second barrier walls, the second barrier wall disposed on the printed circuit board, and extending in the direction.. .
Samsung Display Co., Ltd.


06/16/16
20160170124 
 Reflection sheet, light source device and display apparatus patent thumbnailReflection sheet, light source device and display apparatus
Provided are a reflection sheet which is capable of, when light sources, and the like are disposed on one side surface side of a light guide plate, preventing the reflection sheet from coming into contact with the light sources, and the like at a central part of the one edge thereof, and a light source device and a display apparatus. A reflection sheet which is oppositely disposed to the other surface of a light guide plate for emitting light made incident on one side surface from one surface thereof, and reflects the light made incident on the light guide plate to the one surface side of the light guide plate, includes a cutout part provided at a central part of one edge of four sides of the rectangular reflection sheet, and the reflection sheet is arranged so that the one edge is disposed on one side surface side of the light guide plate..
Sakai Display Products Corporation


06/16/16
20160170123 
 Backlight unit and liquid crystal display device including the same patent thumbnailBacklight unit and liquid crystal display device including the same
Provided are a backlight and a liquid crystal display device including the same. The backlight unit includes a light source assembly which emits light; a light guide plate which receives at a light incident surface thereof light from the light source assembly; and a bottom chassis having a bottom unit on which the light guide plate is disposed.
Samsung Display Co., Ltd.


06/16/16
20160170122 
 Backlight apparatus and display apparatus having the same patent thumbnailBacklight apparatus and display apparatus having the same
Disclosed herein are a backlight apparatus and a display apparatus having a light guide plate that includes light guide patterns in a waveform shape.. .
Samsung Electronics Co., Ltd.


06/09/16
20160161669 
 Refrigerator with shelf lighting patent thumbnailRefrigerator with shelf lighting
A refrigerator with shelf lighting is provided that may include a refrigerator main body having a storage room, at least one shelf provided inside of the storage room, a light source provided at a rear end of the shelf, a power supply provided at a rear of the storage room, the power supply supplying power to the light source, and a light guide plate provided at the at least one shelf. The light guide plate may guide light of the light source to a front of the shelf.
Lg Electronics Inc.


06/09/16
20160161667 
 Backlight unit and liquid crystal display device including the same patent thumbnailBacklight unit and liquid crystal display device including the same
Disclosed is a backlight unit and lcd device having a fixing device attached to a bottom cover and a guide panel to prevent the guide panel from shifting and detaching from the bottom cover. The backlight unit comprises a bottom cover having a bottom portion including a first hole, and a side portion having a second hole; a light guide plate on the bottom portion of the bottom cover; at least one optical sheet on the light guide plate; a guide panel adjacent the guide plate and the optical sheet; and a fixing device.
Lg Display Co., Ltd.


06/09/16
20160161665 

Display device and backlight module


A display device including a heat dissipation component, a display panel, a light guide plate, an optical film set, and a light source set is provided. The heat dissipation component has a supporting surface, a first connecting surface, and a second connecting surface.
Young Lighting Technology Inc.


06/09/16
20160161664 

Display apparatus


The present invention reduces brightness unevenness at the periphery of a non-display region in a display device that uses an edge-type backlight by means of a display device being provided with a liquid crystal panel, a light guide plate, which has the surface opposing the liquid crystal panel as the light emitting surface and one lateral surface other than the light emitting surface and the surface opposite the light emitting surface as the light incident surface, a light source unit, which opposes the light incident surface, and an opening that pierces the light guide plate from the light emitting surface to the surface opposite the light emitting surface, the configuration being such that the length (x) from the light incident surface to the center of the opening is at least ½ the length (l) from the light incident surface to the lateral surface opposite the light incident surface.. .
Sharp Kabushiki Kaisha


06/09/16
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..
Samsung Electronics Co., Ltd.


06/09/16
20160161660 

Display apparatus


Provided is a display apparatus including a display panel, a light guide plate, a first light source unit, and a first reflective member. The display panel may receive light to display an image.
Samsung Display Co., Ltd.


06/09/16
20160161659 

Display apparatus


A display apparatus including a display panel and a backlight to supply light to the display panel is provided. The backlight includes a light guide plate to guide light to the display panel, at least one three dimensional light source disposed to face a side end of the light guide plate, a two dimensional light source disposed at a rear of the light guide plate, and at least one diffusion member disposed between the at least one three dimensional light source and the side end of the light guide plate..
Samsung Electronics Co., Ltd.


06/09/16
20160161658 

Backlight module and lcd device


The present invention proposes an lcd device having a backlight module. The backlight module includes a light guide plate, a first light source unit set up in a corner of a first light-in side of the light guide plate, and a second light source unit set up in a corner of a second light-in side of the light guide plate.
Shenzhen China Star Optoelectronics Technology Co. Ltd.


06/02/16
20160154269 

Image display device


There is provided an image display device that includes a display in which a background is transparently seen from a front surface side, and has a high degree of freedom at the time of installation. A liquid crystal panel (32) for adjusting transparency/light-emission adjusts, for each pixel, a ratio between transmitted light-source light and ambient light by respectively controlling a polarization direction of a reflected polarization component of the light-source light irradiated to a reflection-type polarization plate (20) from a light guide plate (180) and a polarization direction of a transmitted polarization component of the ambient light incident to the reflection-type polarization plate (20) from a rear surface side of the display, based on transparent/light-emitting pixel information.
Sharp Kabushiki Kaisha


06/02/16
20160154174 

Light guide plate, backlight module, and liquid crystal display device


A light guide plate includes a light exit surface, a light guide plate bottom surface, and at least one light incidence surface. The light exit surface and the light guide plate bottom surface are opposite to each other.
Shenzhen China Star Optoelectronics Technology Co., Ltd.


06/02/16
20160154172 

Lighting device and display device


A backlight device includes leds, a light guide plate, and a frame. The light guide plated includes peripheral surfaces including an led opposing surface and an led non-opposing surface and includes plate surfaces including a light exit surface and an opposite plate surface on the opposite side from the light exit surface.
Sharp Kabushiki Kaisha


06/02/16
20160154169 

Light guide plate, backlight module, and display device


Disclosed is a light guide plate for use in a backlight module. The light guide plate includes a light incidence surface, a light exit surface, and a bottom surface opposite to the light exit surface.
Shenzhen China Star Optoelectronics Technology Co., Ltd.


06/02/16
20160154167 

Light guide plate and manufacturing method thereof


The present invention provides a light guide plate and a manufacturing method thereof. The light guide plate includes a light incident surface formed on a lateral side of the light guide plate, a reflection surface formed on a bottom of the light guide plate, and a light exit surface formed on a top of the light guide plate.
Shezhen China Star Optoelectronics Technology Co., Ltd.


06/02/16
20160154163 

Backlight assembly and display device having the same


A display device includes a backlight assembly generating a light and a display panel receiving the light to display an image. The backlight assembly includes a light emitting unit, a light guide plate, a prism plate, and a reflective polarizing plate.
Samsung Display Co., Ltd.


06/02/16
20160154162 

Quantum dot backlight module and display device


A quantum dot backlight module includes: a reflector, a light guide plate disposed above the reflector, a plurality of dot units disposed on an upper surface of the light guide plate at intervals, and a quantum dot packaged in each of the plurality of dot units, and light emitting diodes disposed on a edge side of the light guide plate. According to the present invention, the quantum dot material can be used less, which is good for reducing the production cost.
Shenzhen China Star Optoelectronics Technology Co., Ltd.


05/26/16
20160150640 

Planar illumination device


A planar illumination device includes: a light guide plate; a point light source disposed to face a light incident surface of the light guide plate; and a circuit substrate on which the point light source is mounted. The circuit substrate includes: a base film; a first conductive layer and a first coverlay film stacked in sequence on a first surface of the base film, the first conductive layer including a pair of lands to which a pair of electrode terminals of the point light source are electrically connected; and a second conductive layer and a second coverlay film stacked in sequence on a second surface of the base film the second coverlay film including a light absorber.
Minebea Co., Ltd.


05/26/16
20160150221 

Display apparatus


A display apparatus, and a light guide plate (lgp) of the display apparatus are provided. The lgp may include a first light guide segment and a second light guide segment that are alternately arranged in a first direction.
Samsung Electronics Co., Ltd.


05/26/16
20160147009 

Lamp device


A lamp device includes a heat dissipating seat, a light emitting unit, a mounting seat and a light guide plate. The heat dissipating seat defines an accommodation space with an opening.
Radiant Opto-electronics Corporation


05/26/16
20160147005 

Lighting device and liquid crystal display apparatus


A lighting device 40 reflecting light from a light source 61, making reflected light enter one side surface of a light guide plate 80, and outputting entered light from one surface of the light guide plate 80. The reflection part 96 reflecting light at an inner surface and having, at an inside of the reflection part 96, a hollow part extending in a long side direction of one side surface of the light guide plate 80, a cross section of the hollow part perpendicular to the long side direction of the one side surface having a circular shape, and a plurality of light sources 61 arranged in the long side direction of the one side surface along an outer side surface of the reflection part 96, wherein the reflection part 96 includes a first opening 94 through which light enters inside from the plurality of light sources 61, and a second opening 95 for outputting light entered from the first opening 94 and reflected at an inner surface to the one side surface of the light guide plate 80, the lighting device further comprising a light shielding part 93 shielding light output from the second opening 95 and leaking to an outside of the one side surface of the light guide plate 80..

05/26/16
20160147003 

Backlight unit for holographic display apparatus and holographic display apparatus including the same


A backlight unit (blu), for a binocular holographic display apparatus, and the binocular holographic display apparatus including the blu are provided. The blu includes: a light source unit that emits coherent illumination light; and a light guide plate that is transparent and includes a light incidence surface onto which the coherent illumination light emitted by the light source unit is incident and a light emission surface through which the illumination light is output.
Samsung Electronics Co., Ltd.


05/26/16
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.
Beijing Boe Optoelectronics Technology Co., Ltd.


05/19/16
20160139330 

Light source device and display apparatus


Provided are a light source device which is capable of constantly maintaining an interval between the light source and the light guide plate when the light guide plate is thermally expanded by a simpler configuration without adding a separate component, while suppressing the manufacturing costs, and a display apparatus. The light source device includes a light guide plate for emitting light made incident on one side surface from one surface thereof, a light source disposed on the one side surface side of the light guide plate, and a rear housing body for housing the light guide plate and the light source, wherein a heat spreader, which holds the light guide plate and the light source and transfers heat emitted from the light source to a bottom surface of the rear housing body, is configured to slide on the bottom surface of the rear housing body, such that the light source which is held together with the light guide plate by the heat spreader also slides according to an expansion and contraction of the light guide plate..
Sakai Display Products Corporation


05/19/16
20160139329 

Light source device and display apparatus


Light sources are disposed to face two opposite end surfaces of light guide plate. Cutout parts are provided at respective centers of other two opposite end surfaces of the light guide plate.
Sakai Display Products Corporation


05/19/16
20160139327 

Backlight unit, display device comprising the same and manufacturing the same


A backlight unit includes first light guide plates (lgps) provided in a line shape, and second lgps provided in a line shape and disposed between the first lgps. The backlight unit may include a controller configured to control a plurality of light sources to provide a light to the first lgps when a three-dimensional (3d) image is displayed on a display panel that receives the light from at least one of the first lgps and the second lgps, and to provide the light to the first lgps and the second lgps when a two-dimensional (2d) image is displayed on the display panel..
Samsung Electronics Co., Ltd.


05/19/16
20160139326 

Backlight unit, display device comprising the same and manufacturing the same


A display device includes a backlight unit. The backlight unit may include a first light guide plate (lgp) comprising a first optical material and a second optical material.
Samsung Electronics Co., Ltd.


05/19/16
20160139320 

Backlight unit


A backlight unit includes a printed circuit board; a light source on the printed circuit board; a light guide plate that receives light emitted from the light source on one surface and directs light outwards through another surface; and a light blocking unit between the light source and the light guide plate. The light blocking unit may be spaced apart from the light guide plate..
Samsung Display Co., Ltd.


05/19/16
20160139319 

Backlight module and liquid crystal display device


The present invention discloses a backlight module, which includes: a backplane, which has a sidewall; a light guide plate, which is carried on the backplane and includes a light incidence end section, a light exit surface, and a bottom surface opposite to the light exit surface; a light source, which is mounted on the sidewall and adjacent to the light incidence end section; an intermediate frame, which is set on and covers the light guide plate and the light source; a first retention slot, which is formed in the light incidence end section and has an opening facing the intermediate frame; a second retention slot, which is formed in the light incidence end section and close to the first retention slot and has an opening facing the backplane; a first quantum dot strip, which is received in the first retention slot; and a second quantum dot strip, which is received in the second retention slot. The present invention also discloses a liquid crystal display device.
Shenzhen China Star Optoelectronics Technology Co., Ltd.


05/19/16
20160139318 

Backlight module and display apparatus


The present disclosure provides a backlight module and a display apparatus. The backlight module comprises a light guide plate, a light source located at one side of the light guide plate at the light incident surface, a lampshade accommodating the light source and being provided with an opening structure with an adjustable size and/or position, and a control device for adjustment of the size and/or position of the opening structure on the lampshade.
Hefei Boe Optoelectronics Technology Co., Ltd.


05/19/16
20160139317 

Light emission module and light guide plate and manufacturing method thereof


A light emission module and a light guide plate and a manufacturing method thereof are provided. The light guide plate is configured to guide the light received and has a first lateral surface and a tongue extending from the first lateral surface toward a light source.
Darfon Electronics Corp.p.


05/12/16
20160131927 

Liquid crystal display device


Provided is a liquid crystal display device that is narrow in viewing angle and that is capable of excellent image quality. The liquid crystal display device of the present invention includes: a liquid crystal panel; a prism sheet; a light guide plate; and a visible light absorber, which are provided in the stated order from a viewer side.
Nitto Denko Corporation


05/12/16
20160131898 

Projection display apparatus


A projection display apparatus includes a light source configured to emit a first light, a reflective light modulator configured to modulate the first light to form a second light conveying a rendered image, a polarizer and a light guide plate. The light guide plate can include a plurality of optical elements embedded in the thickness of the light guide plate or provided on an outer surface of the light guide plate.
Himax Display, Inc.


05/12/16
20160131831 

Illumination device, display device, and tv receiver


An illumination device, including: a light source; a light guide plate having a light-entering face into which light from the light source enters and a light-exiting surface; a reflective sheet covering at least a portion on a light-entering face side of a bottom surface of the light guide plate; a chassis on a side of the reflective sheet opposite to the light guide plate, including at least a plate-shaped portion along the bottom surface of the light guide plate and a cut-out in the plate-shaped portion on the light-entering face side; and an opposite-side member on a side of the chassis opposite to the light guide plate, including a protrusion protruding from a light guide plate-side of a top surface of the opposite-side member through the cut-out towards the light guide plate, a top of the protrusion supporting a portion of the reflective sheet on the light-entering face side.. .
Sharp Kabushiki Kaisha


05/12/16
20160131830 

Chassis for display backlight


An electronic device may be provided with a display. Backlight structures may be used to provide backlight for the display.
Apple Inc.


05/12/16
20160131829 

Backlight assembly and display device having the same


A backlight assembly includes a light guide plate (lgp) having a stepped portion formed at a corner of the lgp, an optical sheet disposed over the lgp and a receiving container receiving the lgp and the optical sheet. The receiving container includes a bottom plate, first through fourth sidewalls and a first lgp fixing portion.
Samsung Display Co., Ltd.


05/12/16
20160131828 

Illumination device, display device, and tv receiver


A backlight device of the present invention includes: a light guide plate having light-entering faces on opposing end faces thereof and a light-exiting surface on the front surface thereof; leds arranged selectively along one section of the light-entering faces of the light guide plate; a front cabinet arranged on a side of the light-exiting surface of the light guide plate and having a frame-like shape along a periphery of the light guide plate; and a rear cabinet arranged on a side of the light guide plate opposite to the front cabinet such that the rear cabinet and the front cabinet sandwich the light guide plate therebetween. The rear cabinet has a fixed portion that is disposed facing a section of the light-entering face that does not correspond to the one section where the leds are selectively arranged, and the fixed portion is fixed to the front cabinet..
Sharp Kabushiki Kaisha


05/12/16
20160131826 

Lighting device, display device, and television device


A backlight device includes leds, a light guide plate, and a heat dissipation member. The light guide plate includes edge surfaces including a light entrance surface through which light from the leds enters, a front plate surface as a light exit surface through which the light from the leds exits, and another plate surface as an opposed surface on an opposite side from the light exit surface.
Sharp Kabushiki Kaisha


05/12/16
20160131824 

Backlight module and liquid crystal display device


A backlight module is disclosed. The backlight module includes a light guide plate, a light source, a back plate, and a positioning component for maintaining a light coupling distance between the light emitting surface of the light source and the light incident surface of the light guide plate.
Shenzhen China Star Optoelectronics Technology Co., Ltd.


05/12/16
20160131822 

Display device, multilayer light guide plate structure and front light module


A display device that includes a display panel, a multilayer light guide plate structure, and a light source is provided. The display panel has a display surface.
E Ink Holdings Inc.


05/12/16
20160131821 

Illumination device, display device, and tv receiver


A backlight device includes: a light guide plate, at least one end face thereof being a light-receiving face; and a plurality of light-emitting units arranged in a row along the light-receiving face such that light emitted from light-emitting units enters the light-receiving face of the light guide plate, wherein the plurality of light-emitting units are grouped into a plurality of groups such that an amount of light emitted by each light-emitting unit in a center group on a center-side of the row is less than an amount of light emitted by each light-emitting unit in a peripheral group on a relatively end-side of the row.. .
Sharp Kabushiki Kaisha


05/12/16
20160131820 

Display device


A display device includes a display panel and a backlight module. The display panel has an active area.
Qisda Corporation


05/12/16
20160131818 

Lighting device for vacuum cleaner


A light guide plate which guides light from light sources at both ends and reflection surface grooves having plural types of reflection surfaces formed on a reverse side of the light guide plate are provided in a direction perpendicular to a front direction of a suction tool, thereby forming light rays radiating to a floor surface from three directions and lighting the floor surface as the surface to be cleaned in front of the suction tool over a wide range.. .
Panasonic Intellectual Property Management Co., Ltd.


05/12/16
20160131816 

Illumination device


An illumination device of edge light type includes a light emitting unit provided at one side surface of a light guide plate. The light guide plate includes a plurality of recesses having a v-shaped cross-section and provided on a bottom surface in parallel to an x-axis direction at a predetermined pitch and a plurality of protrusions having a lenticular lens shape in the cross-sectional view and provided in parallel to a y-axis direction at a prearranged pitch.
Kuraray Co., Ltd.


05/12/16
20160131815 

Light guide plate and backlight module having the same


The disclosure is related to a light guide plate, comprising a light incident surface, a light emitting surface, and a bottom surface opposite to the light emitting surface. The light emitting surface connects to the light incident surface.
Shenzhen China Star Optoelectronics Technology Co. Ltd.


05/12/16
20160131814 

Light emitting module and display device


A light emitting module is provided. A light emitting unit includes a light emitting surface including a middle light emitting area and a peripheral light emitting area.
E Ink Holdings Inc.


05/05/16
20160124270 

Illumination device, display device, and tv receiver


The backlight device includes: a plurality of leds arranged in a row; and a light guide plate having, on the long-side side faces, light-entering faces into which light emitted from the plurality of leds enters, the light guide plate further having side faces that respectively abut the light-entering faces 20a. The light-entering faces have a plurality of recesses or protrusions on the light-entering faces 20, each of the plurality of recesses or protrusions having a shape of a prism that directs the light entering the prism toward one of the side faces that is closer to where the prism is located relative to a center of the light guide plate..
Sharp Kabushiki Kaisha


05/05/16
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.
Zhejiang Yongyao Lighting Co., Ltd


05/05/16
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.
Beijing Boe Display Technology Co., Ltd.


05/05/16
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.
Wistron Corp.


05/05/16
20160121785 

Illuminated running board for vehicle


An illuminated running board for a vehicle includes a light guide plate, a panel, and a luminous module. A plurality of convex portions is formed on a top surface of the light guide plate, and a plurality of optic pattern portions is formed on a bottom surface of the light guide plate.
Desity Traffic Ind Co., Ltd.


04/28/16
20160116788 

Liquid crystal display device


According to one embodiment, a liquid crystal display device includes a liquid crystal display panel, a cover panel, a container case fixed to the cover panel and covering the liquid crystal display panel, and a backlight unit disposed in the container case and opposed to the liquid crystal display panel. The container case includes a bottom wall, and a sidewall directly opposed to at least one edge of the backlight unit with a gap interposed therebetween.
Japan Display Inc.


04/28/16
20160116786 

Backlight module and liquid crystal display


A backlight module and a liquid crystal display are provided. The backlight module includes a back plate, at least one adhesive member, a reflecting film, a light guide plate and a light source.
Radiant Opto-electronics Corporation


04/28/16
20160116741 

Display controlling display apparatus


An display apparatus includes a mounting section configured to be mounted on the user, an image display unit that is provided in the mounting section and includes a right light guide plate and a left light guide plate that cause image light representing an image to be incident on the user's eyes when the mounting section is mounted on the user, a camera, an image analysis section that detects the matching state of the user's eyes relative to the right light guide plate and the left light guide plate based on an image captured with the camera when the mounting section is mounted on the user, and an adjustment control section that adjusts the image display unit or the right light guide plate and the left light guide plate based on the matching state detected by the image analysis section.. .
Seiko Epson Corporation


04/28/16
20160116669 

Planar illumination device, liquid crystal display apparatus, and assembling the same


A planar illumination device includes: a light guide plate including a pair of principal surfaces opposed to each other, one of the principal surfaces serving as a light emitting surface; a light source disposed to face a light incident surface of the light guide plate; an optical sheet disposed on the light emitting surface of the light guide plate; and a frame that houses therein the light guide plate. The frame includes a bottom portion formed of a sheet metal and a pair of resin portions facing the light incident surface of the light guide plate and an end face of the light guide plate opposite to the light incident surface, respectively..
Minebea Co., Ltd


04/28/16
20160116667 

Liquid crystal display device


This invention reduces or prevents a phenomenon where a screen close to a light source becomes yellowed. A liquid crystal display device includes a liquid crystal display panel and a backlight.
Japan Display Inc.


04/28/16
20160116661 

Display apparatus and television receiving apparatus


A display apparatus includes a display panel having a display surface on one surface thereof, a light guide plate disposed on the other surface side of the display panel, a substrate on which a plurality of light source elements disposed to face an end face of the light guide plate are mounted on one surface thereof, a support plate for supporting the substrate, and a frame body for covering a peripheral edge part of the display panel and the support plate, wherein the frame body and support plate have holes formed at positions thereof facing the end face, and the substrate has an insertion hole into which any one tip part of a screw or a clip fitted into the holes is inserted.. .
Sakai Display Products Corporation


04/28/16
20160116658 

Light guide assembly, backlight module and liquid crystal display


A light guide assembly, a backlight module and a liquid crystal display (lcd) are provided. The backlight module includes a back plate, light guide plate, an adhesive member and a light source.
Radiant Opto-electronics Corporation


04/21/16
20160109989 

Backlight module with low electromagnetic interference and display device using the same


A display device includes a display panel, an electromagnetic touch panel, and a backlight module overlapping one another. The backlight module has a light guide plate and a light source module consisting of a flexible circuit board strip.

04/21/16
20160109647 

Backplane and backlight module and liquid crystal display device using same


The present invention provides a backplane and a backlight module and a liquid crystal display device using the backplane. The backplane includes: a bottom plate (2) and multiple side plates (4) connected to the bottom plate (2).

04/21/16
20160109644 

Light source device and display apparatus


Provided are a light source device capable of effectively coping with a luminance change in a light guide plate caused by a variation in an interval between a light source and the light guide plate at a low cost, and a display apparatus. A light source device which includes a light guide plate for emitting light made incident on one side surface from one surface thereof, is configured so as to, for the luminance change due to a change in an interval between a light source disposed on the one side surface side of the light guide plate and the light guide plate, previously increase only an average luminance of the light source side (one side surface side) in which an influence of the luminance change is largest..

04/21/16
20160109643 

Light source device, display apparatus, and manufacturing light source device


Provided are a light source device capable of uniformly illuminating, a display apparatus, and a method of manufacturing the light source device. Since a reflection sheet is adhered to a light guide plate through an adhesive layer, deflection thereof is suppressed.

04/21/16
20160109642 

Lighting device for a magnetic resonance imaging system aperture


A lighting device for an mri system aperture has at least one led lamp and a light guide plate, the light guide plate having an interior surface, an exterior surface and multiple end faces. The end faces include a first end face, a second end face and one or more other end faces.

04/21/16
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..

04/21/16
20160109639 

Light guide plate and surface illumination device


A light guide plate has a light input end surface from which light is introduced, a light output surface that outputs light spread in a planar manner externally, a flat main light guiding body including the light output surface, a light conducting portion that has a maximum thickness greater than the thickness of the main light guiding body and includes the light input end surface, a first slanted surface provided on the light conducting portion on at least one of a surface near the light output surface and a surface opposite thereto, the first slanted surface inclined from a first location that is thicker than the main light guiding body toward the outer surface of the main light guiding body, and a plurality of first pattern elements provided on the light conducting portion on at least one of a surface near the light output surface and a surface opposite thereto.. .

04/21/16
20160109638 

Lighting device


A light guide plate has at a bottom surface thereof a recessed strip. The recessed strip has first oblique surfaces and second oblique surfaces, a vertical angle θ1 formed by the first oblique surfaces facing each other is set in a range of 95° to 110° while an apparent vertical angle θ2 formed by the second oblique surfaces facing each other is set in a range of 60° to 75°.

04/21/16
20160109637 

Light source device and display apparatus


Provided are a light source device which may disperse a force shifted in a plane direction due to a difference in thermal expansion by a reflection sheet so as to maintain good display quality, and a display apparatus using the light source device. The light source device includes a transparent plate used as a light guide plate, a light source disposed to face a part of a peripheral surface of the transparent plate along the part thereof, and a reflection sheet attached to one wide surface of the transparent plate, and the reflection sheet is provided with a plurality of cut lines formed in a prescribed range including a center thereof at a prescribed interval.

04/21/16
20160109636 

Backlight module capable of avoiding light leakage


In a backlight module, a shading film connected to the substrate has a first surface, a second surface and a first hole disposed thereon. The light guide plate is connected to the shading film while a second hole with a greater aperture than that of the first hole is disposed thereon.

04/21/16
20160109635 

Backlight unit and liquid crystal display including the same


A backlight unit including a light guide plate (lgp), a light source module disposed adjacent to an incident surface of the lgp and configured to irradiate light to the incident surface, and a light control member disposed between the light source module and the incident surface, in which the light control member includes a reflection preventing layer disposed adjacent to the light source module and configured to prevent reflection of light, a base substrate disposed on the reflection preventing layer and configured to scatter or diffuse light transmitted through the reflection preventing layer, and a light adjusting filter disposed on the base substrate and configured to filter light including a first wavelength among light provided by the light source module.. .

04/21/16
20160109634 

Spread illuminating apparatus


The thickness of a portion along an end surface of principal surfaces of a light guide plate is determined by a protruding part and a recessed part. By ensuring the dimensional accuracy in the thickness direction of the portion along the end surface of the principal surfaces and of the light guide plate with the protruding part and the recessed part, a light blocking member that is disposed spanning across the outer edge of at least one piece of optical sheet and an upper surface of a housing frame is not pushed up at the outer edge of the optical sheet.

04/14/16
20160103277 

Backlight module and display apparatus


The present disclosure provides a backlight module and a display apparatus. The backlight module includes: a substrate configured to fix a plurality of light sources; the plurality of light sources fixed on the substrate and connected electrically to each other; and a light guide plate having at least one side on which a recess portion for receiving the plurality of light sources or receiving the plurality of light sources and at least part of the substrate is provided.

04/14/16
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.

04/14/16
20160103272 

Backlight assembly with brightness enhancing structure


A backlight assembly is provided with an upper reflective layer including a plurality of transparent areas; a lower reflective layer secured to the upper reflective layer; a light guide plate disposed between the upper and lower reflective layers; a light source disposed under the lower reflective layer and corresponding to the transparent areas; a circuit board disposed above the upper reflective layer and including a plurality of first openings and a plurality of electrical contacts; and an opaque shading layer disposed on the circuit board and including a plurality of elastic members aligned with the electrical contacts, and a plurality of second openings. Light with enhanced brightness is transmitted to bottom of keycaps of an input device of a 3c product with energy consumed to a minimum during light transmitting..

04/14/16
20160103271 

Backlight assembly with brightness enhancing mechanism


A backlight assembly is provided with an upper reflective layer including a plurality of first openings; a lower reflective layer secured to the upper reflective layer; a light guide plate disposed between the upper and lower reflective layers; an opaque shading layer disposed on one surface of the upper reflective layer; and a circuit board disposed above the shading layer and including a circuit and a plurality of second openings. Light with enhanced brightness is transmitted to bottoms of keycaps of an input device of a 3c product with energy consumed to a minimum during light transmitting..

04/14/16
20160103264 

Backlight unit and display apparatus having the same


A light guide plate receives light and guides the light to a display panel. The light guide plate includes a body and protruding portions.

04/07/16
20160097935 

Display apparatus


A display apparatus has a first back bezel with a first side; a first light guide plate disposed above the first rear bezel; a first light bar disposed above the first side of the first back bezel, and the first light bar disposed between the first light guide plate and the first back bezel, and the first light bar including a plurality of first light-emitting diodes, a length of each of the first light-emitting diodes is l, a distance of two farthest first light-emitting diodes of these first light-emitting diodes is w1; and a display panel disposed on the first light guide plate, the display panel has a display area with a second side, the second side is adjacent to the first side, and a length of the second side is w2, w2 is smaller than w1 and the difference between w1 and w2 is great than l.. .
Innolux Corporation


04/07/16
20160097894 

Light guide plate, backlight unit having the same, display apparatus having the same, and manufacturing the same


A light guide plate includes a light incident surface to which a light is configured to be incident, a light exit surface from which the light incident through the light incident surface is configured to exit, a bottom surface facing the light exit surface configured to reflect at least a portion of the incident light, and a scattering pattern disposed on the bottom surface. The scattering pattern includes a first protrusion portion protruding from the bottom surface, a recess portion disposed along a circumference of the first protrusion portion and recessed from the bottom surface and a second protrusion portion spaced apart from the first protrusion portion and disposed along a portion of the recess portion..
Samsung Display Co., Ltd.


04/07/16
20160097893 

Transparent display apparatus


Disclosed herein is a transparent display apparatus in which a plurality of micro-patterns are formed on a reflection surface of a transparent light guide plate. The transparent display apparatus includes a light source configured to generate light, a transparent light guide plate configured to change a path of the generated light, and to emit the light, a first polarizing plate configured to transmit first polarized light of light emitted from the transparent light guide plate, a liquid crystal panel configured to change a phase of the first polarized light according to driving of liquid crystals; and a second polarizing plate configured to adjust an amount of the first polarized light according to the changed phase of the first polarized light, wherein the transparent light guide plate includes an incident surface to which the light is incident, an exit surface which the incident light exits, a reflection surface being opposite to the exit surface, and a plurality of micro-patterns formed on the reflection surface, and configured to diffuse the incident light..
Samsung Electronics Co., Ltd.


04/07/16
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.
Winbond Electronics Corp.


04/07/16
20160097889 

Backlight unit and liquid crystal display device including the same


A liquid crystal display device is disclosed. The liquid crystal display device includes a liquid crystal display panel, a light guide plate configured to guide blue light from a blue light source to the liquid crystal display panel and a light conversion sheet comprising a light conversion layer and a light compensation pattern positioned on edges of the light conversion layer configured to compensate blue light leakage at the edges of the light conversion sheet, wherein the light conversion sheet is positioned between the liquid crystal display panel and the light guide panel..
Lg Display Co., Ltd.




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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