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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
04/07/16
20160097935 
 Display apparatus patent thumbnailDisplay 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 patent thumbnailLight 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 patent thumbnailTransparent 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 patent thumbnailLight 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 patent thumbnailBacklight 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.


03/31/16
20160092030 
 Display device patent thumbnailDisplay device
A display device may include a display panel, at least one light source disposed on one side of the display panel, a circuit board to drive the light source, a light guide plate in which light emitted from the light source is incident into a surface and is emitted to another surface, and a lower frame to support the display panel and to accommodate the light source and the light guide plate. The lower frame may include a base substrate, a digitizer disposed on the base substrate, and a dummy digitizer pattern disposed on the base substrate and spaced apart from the digitizer.
Samsung Display Co., Ltd.


03/31/16
20160091751 
 Liquid crystal display device patent thumbnailLiquid crystal display device
The present invention provides a liquid crystal display device, which includes a liquid crystal panel (1) and a collimated exit light backlight module (3). The liquid crystal panel (1) includes a cf substrate (11), an array substrate (13), and a liquid crystal layer (12).
Shenzhen China Star Optoelectronics Technology Co. Ltd.


03/31/16
20160091657 
 Backlight module patent thumbnailBacklight module
A backlight module comprising a lamp strip (10), a light guide plate (20), a quantum dot glass tube (30) and a fixing part (40). The fixing part (40) is a hollow structure.
Shenzhen Tcl New Technology Co., Ltd.


03/31/16
20160091655 
 Backlight device patent thumbnailBacklight device
A backlight device includes a light guide plate having an incident surface, a first side surface, and a second side surface. The first side surface extends from a first end of the incident surface and the second side surface extends from a second end of the incident surface.
Nichia Corporation


03/31/16
20160091651 
 Backlight module and display having the same patent thumbnailBacklight module and display having the same
A backlight module including a back plate, a light guide plate, a light-penetration layer, and a light source is provided. The light guide plate is disposed on the back plate and has a light incident surface and a light-emitting surface.
Wistron Corporation


03/24/16
20160085109 

Display device


A display device includes a bottom chassis on which a light source is disposed, a light guide plate disposed on the bottom chassis and configured to guide light emitted from the light source to a display panel, an optical sheet on the light guide plate, a mold frame coupled to the bottom chassis and including a support unit on which the display panel is disposed, and a light conversion shielding member disposed on a surface of the support unit of the mold frame having a side portion that extends down from the support unit and covers a side surface of the optical sheet.. .
Samsung Display Co., Ltd.


03/24/16
20160085070 

Ambient display


A windshield includes a windshield body and an ambient display coupled to the windshield body. The ambient display includes a light guide plate and a light source optically coupled to the light source.
Gm Global Technology Operations Llc


03/24/16
20160085020 

Light source device and display apparatus


Provided are a light source device capable of suppressing reflection of light which is irregularly reflected on a side face relating to a notch part, and a display apparatus. The light source device includes a light guide plate having a notch part formed at an edge part thereof, and a reflection sheet which is disposed to face the light guide plate and has a notch part formed at an edge part corresponding to the notch part, wherein the reflection sheet includes a low-reflection part which is provided around the notch part of a surface facing the light guide plate and has a reflectance lower than that of the reflection sheet..
Sakai Display Products Corporation


03/24/16
20160085015 

Display apparatus having thermally protected backlight assembly


A spacer member is provided within a display apparatus that includes a heat-emitting light source and a thermally deformable light guide plate. In one embodiment, the spacer member includes a pair of spacer members disposed at sides of the light source and engaging the light guide plate so as to space the light source from a light receiving incident surface of the pgp by a predetermined distance..
Samsung Display Co., Ltd.


03/24/16
20160085014 

Planar light unit


A planar light unit is provided that suppresses appearance of a bright line when viewed from the side of the emission surface of the light guide plate. The planar light unit includes a light source, and a light guide plate including an incident surface for receiving light emitted from the light source, an emission surface from which the light introduced through the incident surface is emitted, an opposing surface disposed so as to oppose the emission surface, and a side surface disposed along an outer periphery of the emission surface and the opposing surface.
Citizen Electronics Co., Ltd.


03/17/16
20160077276 

Display backlight with adhesive attachment layers


A display may have a backlight. The display backlight may have a light guide plate.
Apple Inc.


03/17/16
20160077275 

Backlight module and lcd module


The present invention discloses a backlight module and lcd module, the backlight module comprises a back cover, a positioning assembly and a backlight assembly, wherein the backlight assembly is connected with the back cover by the positioning assembly, the positioning assembly comprises a positioning component located at the corner of the back cover and a bending portion provided on the back cover. By means of the bending portion on the back cover, the light guide plate and optical films can be fixed easily and expediently, especially for the assembling and reworking of module.
Shenzhen China Star Optoelectronics Technology Co., Ltd.


03/17/16
20160077270 

Lighting device and display device


A backlight device includes leds, a light guide plate, an led board, and a light blocking portion. The light guide plate includes a side surface configured as a light entrance surface through which light from the leds enters and a plate surface configured as a light exit surface through which light exits the light guide plate.
Sharp Kabushiki Kaisha


03/17/16
20160077269 

Optical components, systems including an optical component, and devices


A lighting system including a light source capable of generating light, and an optical component optically coupled to receive at least a portion of the light generated by the light source and convert at least a portion of the light so received to a predetermined wavelength such that the light emitted by the lighting system includes light emission from the light source supplemented with light emission at the predetermined wavelength, wherein the optical component including an optical material comprises quantum confined semiconductor nanoparticles. Also disclosed is an optical component comprising a light guide plate and an optical material disposed over at least a portion of a surface of the light guide plate, the optical material comprising quantum confined semiconductor nanoparticles capable of emitting light in a predetermined spectral region.
Qd Vision,inc.


03/17/16
20160077268 

Method of manufacturing a light guide plate and display apparatus including the same


A display apparatus includes a display panel, a light source, a light guide plate, and a receiving part. The display panel is configured to receive light to display an image.
Samsung Display Co., Ltd.


03/10/16
20160073536 

Display apparatus and panel fixing device thereof


A display apparatus includes a back plate having a rear wall and a peripheral wall that cooperatively define an accommodation space, a light guide plate disposed in the accommodation space, a display panel disposed in the accommodation space forwardly of the light guide plate, a plurality of stacked optical films disposed between the light guide plate and the display panel, and a panel fixing device including a first limiting unit and a second limiting unit that cooperate with each other to clamp and fix a peripheral edge portion of the display panel therebetween.. .
Radiant Opto-electronics Corporation


03/10/16
20160070056 

Backlight module and liquid crystal display device


A backlight module comprises a back plate; a side-type light source; a light guide plate disposed on the back plate; and a quantum bar assembled between the light guide and the light source via a fixing bracket. The fixing bracket is a hollow cylinder, and comprises an accommodating space exits in the fixing bracket for installing the quantum bar and the first window faced toward the light guide plate and the second window faced toward the side-type light source and the length of the second window is equal to one of the light strip.
Shenzhen China Star Optoelectronics Technology Co. Ltd.


03/10/16
20160070052 

Light guide body and planar light-emission device provided with same


An object is to provide a light guide body that is able to obtain a large amount of emission light perpendicular to a light emission surface and achieve uniform surface emission with an inexpensive structure. To attain this object, a light guide plate has, on at least one of a light emission surface and a back surface facing the light emission surface, a light diffusion pattern formed of a plurality of dots containing a first diffusing agent and the light diffusion pattern is controlled by the size of the dots and the density of the dots..
Sharp Kabushiki Kaisha


03/10/16
20160070050 

Led module


An led module, includes a heat sink, an leds mounted on a side of the heat sink and a light guide plate spaced from the led light source. A flexible light guiding tube is disposed between the light guide plate and the led light source.
Hon Hai Precision Industry Co., Ltd.


03/10/16
20160069525 

Vehicle headlamp


A vehicle headlamp includes a first led light source, a first light guide plate optically coupled to the first led light source, a second led light source, a second light guide plate optically coupled to the second led light source, and a light barrier sheet interposed between the first and second light guide plates. The first light guide plate is configured to guide light emitted from the first led light source onto a predetermined area thereby creating a second light distribution pattern.
Hon Hai Precision Industry Co., Ltd.


03/03/16
20160066441 

Display


A display includes a casing, a display panel, a backlight module, a front panel and a cover. The casing has a containing space.
Young Lighting Technology Inc.


03/03/16
20160065955 

Backlight unit and holographic display including the same


Provided are a backlight unit and a holographic display including the same. The backlight unit may include: a light guide plate; a light source unit configured to adjust a direction of light which is emitted from the light source unit and incident on the light guide plate; and a diffraction device which is disposed on the light guide plate and configured to control a direction of light emitted from the light guide plate..
Samsung Electronics Co., Ltd.


03/03/16
20160062173 

Display device


A display device including a frame, a glass light guide plate, an optical film set, a display panel, a reflector, a back plate and an electronic element is provided. The frame has a first connecting surface and a second connecting surface.
Young Lighting Technology Inc.


03/03/16
20160062034 

Display device


A liquid crystal display device 10 includes leds 22, a light guide plate 20, a metal chassis 28, an optical member 18, and a liquid crystal panel 14. The light guide plate 20 for guiding light from the leds 22 includes a front surface as a light-exit surface 20b, a rear surface as an opposite surface 20c, and a light-entering surface 20a facing the leds 22 as one of side surfaces.
Sharp Kabushiki Kaisha


03/03/16
20160062030 

Luminaire for generating direct lighting and indirect lighting


A luminaire for generating direct lighting and indirect lighting including an led light source for generating light and a light guide plate having a first main surface and a second main surface, which is connected to the first main surface marginally via a narrow side face, wherein the led light source is arranged in such a way that the light is radiated into the light guide plate via the narrow side face and subsequently one part of the light is emitted for generating the direct lighting via the first large main surface. Furthermore, a reflector is provided, which is arranged adjacent to the second main surface, wherein the reflector has at least one light-transmissive region configured in such a way that a further part of the light is emitted for generating the indirect lighting via the second main surface through the light-transmissive region..
Zumtobel Lighting Gmbh


03/03/16
20160062029 

Display device


A display device includes a casing, a display panel, a backlight module and a light guide component. The display panel is disposed in the casing.
Young Lighting Technolgy Inc.


03/03/16
20160062024 

Liquid crystal display device and manufacturing method thereof


A liquid crystal display device, includes a display panel; a light guide plate to transfer light to the display panel; and a light source module on a side surface of the light guide plate to supply light to the light guide plate, the light source module including a light source to generate light; and a quantum dot unit between the light source and the light guide plate, the quantum dot unit extending along the side surface of the light guide plate and including a tube member filled with a resin including quantum dots, the tube member including a sealing part.. .
Samsung Display Co., Ltd.


03/03/16
20160062023 

Illumination device, illumination equipment, and display device


An illumination device (11) includes a light guide plate (15) and a light source unit (10) which includes a substrate (12) and a plurality of led chips (16) disposed on the substrate (12), and which is disposed in a position at which emitted light of the led chips (16) enters a light entrance portion (15a) of the light guide plate (15). The led chips (16) are disposed to form a plurality of rows on the substrate (12), and are disposed to line up in a direction which orthogonally intersects the rows between each of the rows..
Sharp Kabushiki Kaisha


03/03/16
20160059454 

Injection molding machine and injection molding method utilizing the same


An injection molding machine, which comprises a hopper configured to feed materials and a non-reactive gas generating means connected with the hopper and configured to charge the hopper with non-reactive gas. The injection molding machine according to embodiments of the present invention completes the plasticization of the materials under protection of the non-reactive gas and avoids yellowing of a light guide plate (lgp) due to oxygenolysis of the materials..
Boe Optical Science And Technology Co., Ltd.


02/25/16
20160054601 

Display device


A display device has a liquid crystal panel that switches between a transparent state and an opaque state, a first light source, a light guide plate arranged on a back surface of the liquid crystal panel and made of a transparent material, the light guide plate having an incident surface facing the first light source and an outgoing surface facing the back surface of the liquid crystal panel, propagating light emitted from the first light source and incident through the incident surface, and outputting the light toward the liquid crystal panel from the outgoing surface, and a second light source configured to illuminate an object arranged on an opposite side to the liquid crystal panel with the light guide plate interposed therebetween.. .
Omron Corporation


02/25/16
20160054524 

Stack of light guide plates and processing the same


A stack of light guide plates is proposed. Each light guide plate includes a light guide plate body and an incident side, thickness of the incident side is more than thickness of the light guide plate body, two light guide plates are reversely arranged and laminated when the two light guide plates are processed, and then a plurality of a pair of laminated light guide plates are stacked.
Shenzhen China Star Optoelectronics Technology Co. Ltd.


02/25/16
20160054516 

Display device and television receiver


The display device comprises a light guide plate arranged at the side of a surface, of a display panel which has a display surface on one surface, opposite to the display surface, a plurality of light source elements arranged to face an end surface of the light guide plate, an optical sheet arranged at the display panel side of the light guide plate, and the display panel arranged to face the optical sheet, and further comprises a first holding portion shielding the light from the plurality of the light source elements to the display panel and holding the optical sheet at the light guide plate side, and a second holding portion separating the optical sheet from the display panel and holding the optical sheet at the side opposite to the first holding portion. A space is formed between the optical sheet and the display panel by the second holding portion..
Sakai Display Products Corporation


02/25/16
20160054509 

Light guide plate and back light module having the same


A light guide plate includes a light guide layer and a metal reflective layer. The light guide layer has a light emitting surface, a bottom surface and a light incident surface.
Au Optronics Corporation


02/25/16
20160054508 

Lighting device and display device


A backlight unit includes leds, a light guide plate, a reflection sheet, a prism sheet, and an anisotropic reflection portion. The light guide plate includes a light entrance surface opposed to the leds and light exit surface.
Sharp Kabushiki Kaisha


02/25/16
20160054507 

Lighting device and display device


A backlight unit includes leds, a light guide plate, a lenticular lens portion, a first prism sheet, and a second prism sheet. The lenticular lens portion includes cylindrical lenses that extend along a first direction and arranged parallel to one another along a second direction.
Sharp Kabushiki Kaisha


02/25/16
20160054504 

Backlight, display panel and display device


The present invention provides a backlight, a display panel and a display device, the backlight includes: a first light source and a second light source, the brightness of light emitted from the first light source is different from that of light emitted from the second light source; and a light guide plate, the first light source and the second light source are disposed above the same end surface of an edge of the light guide plate, and light-emitting surfaces of the first light source and the second light source face the end surface of the edge of the light guide plate, a light mixing structure is disposed on the end surface of the edge of light guide plate and is capable of mixing the light emitted from the first light source and the light emitted from the second light source into light with uniform brightness.. .
Hefei Boe Optoelectronics Technology Co., Ltd.


02/25/16
20160054503 

Backlight module and liquid crystal display device


The present invention discloses a backlight module, comprising: a light guide plate, which comprises at least one light incident side; a light source, which is provided adjacent to the light incident side; and at least one quantum dot film strip, which is provided between the light source and the light incident side; wherein, the light emitted from the light source is irradiated to the light incident side through the quantum dot film strip. The present invention further discloses a liquid crystal display device having the backlight module..
Shenzhen China Star Optoelectronics Technology Co. Ltd.


02/18/16
20160047975 

Backlight unit and display device including the same


Disclosed are a backlight unit and a liquid crystal display device including the same to stably fix a light guide plate. The backlight unit includes a guide disposed between a cover bottom, on which a light guide plate is mounted, and the light guide plate, the guide having a plurality of projections in an area in which the guide contacts the light guide plate..
Lg Display Co., Ltd.


02/18/16
20160047973 

Light guide plate, and backlight unit and display device including the same


Provided are a light guide plate, and a backlight unit and a display device including the same. The light guide plate includes a light output surface configured to output light to the outside; a reflective surface positioned opposite the light output surface; a light incident surface provided on at least one side surface of side surfaces which connect the light output surface and the reflective surface, and configured to receive light emitted from a light source; and a plurality of reflection patterns provided on the reflective surface..
New Optics, Ltd


02/18/16
20160047972 

Display device and light guide plate thereof


The present invention relates to a display device and a light guide plate thereof. According to an aspect of the present invention, there is provided a display device, including: a display panel configured to output an image to a front surface of the display device; a light source array arranged along at least one edge of the display device to output light; and a light guide plate arranged behind the display panel to guide light incident upon a side surface facing the edge from the light source array so that the light is projected through a front surface toward the display panel..
New Optics, Ltd


02/18/16
20160047971 

Light guide plate, and backlight unit and display device including the same


Provided are a light guide plate, and a backlight unit and a display device including the same. The light guide plate includes a light output surface configured to output light to the outside, a reflective surface positioned opposite the light output surface, a light incident surface provided on at least one side surface of side surfaces which connect the light output surface and the reflective surface, and configured to receive light projected from a light source, and a reflection pattern having an embossed portion formed to protrude to the outside of the reflective surface and a concave portion having a ring shape which surrounds the embossed portion and recessed in the reflective surface, wherein the embossed portion has a recessed region..
New Optics, Ltd


02/18/16
20160047970 

Light guide plate, and backlight unit and display device including the same


Provided are a light guide plate, and a backlight unit and a display device including the same. A light guide plate includes a light output surface configured to output light to the outside; a reflective surface positioned opposite the light output surface; a light incident surface provided on at least one side surface of side surfaces which connect the light output surface and the reflective surface, and configured to receive light projected from a light source; and a reflection pattern including an embossed portion having a circular shape and configured to protrude to the outside of the reflective surface when viewed in a direction perpendicular to the reflective surface, and a concave portion having a ring shape which surrounds the embossed portion and recessed in the reflective surface when viewed in a direction perpendicular to the reflective surface.
New Optics, Ltd


02/18/16
20160047967 

Light guide plate, and backlight unit and display device including the same


Provided are a light guide plate, and a backlight unit and a display device including the same. The light guide plate includes a body including a light output surface configured to output light, a reflective surface provided opposite the light output surface, and side surfaces provided between the light output surface and the reflective surface; and a plurality of dot pattern formed on a surface of the reflective surface, and the dot pattern includes a central embossed portion protruding to the outside of the reflective surface, a concave portion having a ring shape which surrounds the central embossed portion and recessed and formed in the reflective surface, and an outer embossed portion formed on an outer circumference surface of the concave portion and configured to protrude to the outside of the reflective surface..
New Optics, Ltd


02/18/16
20160047965 

Light guide plate, and backlight unit and display device including the same


The present invention relates to a light guide plate, and a backlight unit and display device including the same. According to an aspect of the present invention, there is provided a light guide plate, including: a light output surface configured to output light toward the outside; a reflective surface positioned at the opposite side of the light output surface; a light incident surface provided on at least one side surface among the side surfaces connecting the light output surface to the reflective surface to receive light irradiated from a light source; and a reflective pattern having a quadrilateral shape when viewed in a direction perpendicular to the reflective surface, and having a concave portion recessed toward an inner portion of the reflective surface and an embossed portion protruding from an edge of the concave portion toward an outer portion of the reflective surface..
New Optics, Ltd.


02/18/16
20160047964 

Light guide plate and backlight unit including the same


Disclosed are a light guide plate and a backlight unit including the same. The light guide plate includes: a light guide plate including: a light output surface for outputting light to the outside; a reflective surface which is located in the opposite side of the light guide plate; and a light incident surface which is provided in at least one side surface among side surfaces connecting the light output surface and the reflective surface, and to which the light emitted from a light source is incident.
New Optics, Ltd.


02/11/16
20160041328 

Light guide plate, backlight module and display device


A light guide plate and a backlight module are described. The light guide plate includes a main body and a plurality of stripe microstructures.
Radiant Opto-electronics Corporation


02/11/16
20160041326 

Backlight module structure


The present invention provides a backlight module structure, which includes a backplane (1), a light guide plate (3) arranged inside the backplane (1), and at least two backlight sources (5) arranged inside the backplane (1). The backplane (1) includes a bottom board (11) and a plurality of side boards (13) perpendicularly connected to the bottom board (11).
Shenzhen China Star Optoelectronics Technology Co. Ltd.


02/04/16
20160033817 

Display


A display including a casing, a light guide plate and a display panel is provided. The light guide plate is disposed in the casing and has a light emitting surface and a first back surface opposite to each other, wherein the casing is adhered to the first back surface of the light guide plate.
Young Lighting Technology Inc.


02/04/16
20160033716 

Lighting device, display device and television device


A lighting unit 12 of the present invention includes a first light source unit lu1, a second light source unit lu2, and a light guide plate 19. The first light source unit lu1 includes a first light source group 171 and a first board 181 having a first mount portion 181a and a first empty portion 181b.
Sharp Kabushi Kaisha


02/04/16
20160033713 

Backlight assembly with brightness enhancing arrangement


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 the upper reflective layer and including a circuit and a plurality of second openings; and a light source disposed under the lower reflective layer. The first openings are aligned with the second openings and communicate therewith.

02/04/16
20160033711 

Display assembly and display apparatus using the same


The display assembly includes: a light source configured to emit light; a light guide plate disposed to receive light emitted from the light source on a lateral side; and a color transformer disposed proximate to an edge of the light guide plate, and configured to change a color of light incident to the color transformer.. .
Samsung Electronics Co., Ltd.


02/04/16
20160033709 

Scanning type backlight module and display device


The embodiments of the invention disclose a scanning type backlight module and a display device. Since a laser light source with good collimation is applied, during a display time of a frame, with the modulation of the optical path regulator, the laser emitted from the laser light source performs a progressive scanning for a region corresponding to at least one row of pixel units in a light guide plate or a display panel.
Boe Technology Group Co., Ltd.


02/04/16
20160033707 

Light guide plate, fabricating the same, backlight unit including the same, and liquid crystal display including the same


Embodiments of the present invention provide a light guide plate, a method for fabricating the same, a backlight unit including the same, and a liquid crystal display including the same. The light guide plate may include a base layer, a first coating layer formed on one surface of the base layer and including a first optical pattern having a curved surface at a top portion thereof, and a second coating layer formed on the other surface of the base layer and including a second optical pattern.
Samsung Sdi Co., Ltd.


01/28/16
20160026031 

Liquid crystal display device


Disclosed is an lcd device with reduced thickness and bezel width. The lcd device includes a liquid crystal display panel configured to include an upper substrate and a lower substrate that are facing-coupled to each other, a backlight unit configured to include a light guide plate which irradiates light incident from a light source module on the liquid crystal display panel and an optical sheet disposed on the light guide plate, and a coupling member configured to couple the liquid crystal display panel to the light guide plate with the optical sheet therebetween such that a sealed space is provided between the liquid crystal display panel and the light guide plate..
Lg Display Co., Ltd.


01/21/16
20160020261 

Organic light emitting display


An organic light emitting display includes a first substrate including a display area and a non-display area, a plurality of dummy pixels positioned on at least a part of the non-display area of the first substrate, a light guide plate positioned on the plurality of dummy pixels, and a light sensor positioned at one side of the light guide plate.. .
Samsung Display Co., Ltd.


01/21/16
20160019845 

Liquid crystal display (lcd) system and method


A liquid crystal display (lcd) system is provided. The lcd system includes a light source and a self-contained display unit including at least a lcd panel and a light guide plate coupled together, wherein the light guide plate is configured to guide light from the light source to the lcd panel as backlight and to structurally support the lcd panel.

01/21/16
20160018692 

Liquid crystal display and manufacturing method thereof


A liquid crystal display includes a display panel having a lower substrate, an upper substrate disposed opposite to the lower substrate, and a liquid crystal layer disposed between the lower and upper substrates, a light source which emits light, a glass light guide plate which diffuses the light from the light source to the display panel, and a first bonding member which bonds the lower substrate to the glass light guide plate.. .
Samsung Display Co., Ltd.


01/21/16
20160018590 

Light guide plate, light source device and display apparatus


Provided are a light guide plate which has a notch part formed at one edge part thereof and emits light made incident on the other edge part side from a light source through one surface thereof, such that it is possible to prevent the incident light from being irregularly reflected on the side face forming the notch part, and prevent an occurrence of stray light around the notch part, a light source device and a display apparatus. A side face forming the notch part has, on a light source side, an inclined face which is obliquely formed with respect to the incident light or a parallel face which is formed parallel to the incident light..
Sakai Display Products Corporation


01/21/16
20160018589 

Display device


A display device that may include a bottom chassis including a base portion and one or more side portions extending at a predetermined angle from the base portion, a light guide plate on an upper surface of the bottom chassis, an optical sheet on the light guide plate, and a display panel on the optical sheet. At least one of the side portions may have a different width from the other side portions..
Samsung Display Co., Ltd.


01/21/16
20160018587 

System for assembling optical films for displays


Display backlight structures may provide backlight illumination that passes through display layers in the display. Computer-controlled equipment such as robotic arms with gripper structures may be used in assembling backlight layers such as a reflector, light guide plate, diffusers, and prism films into a backlight unit.
Apple Inc.


01/21/16
20160018583 

Backlight unit


A backlight unit includes at least one light source configured to emit light and a light guide plate including a light incident surface and a light emitting emitting surface. The light from the light source is incident on the light incident surface and the incident light is emitted through the light emitting surface.
Samsung Display Co., Ltd.


01/14/16
20160011364 

Backlight device and display apparatus


Provided are a compact and inexpensive backlight device that can prevent a large movement of an optical sheet, and a display apparatus including the backlight device. In a backlight device, light emitted by the plurality of leds enters an upper end face of a light guide plate, and the light guide plate emits the light from one plane.
Sakai Display Products Corporation


01/14/16
20160011362 

Traffic direction lights


The present invention provides a kind of traffic direction light consisting of a backlight module and several light sources where the backlight module comprises a light guide plate with one side provided with multiple light-reflection points, a reflective sheet with the characteristics of the reflected light ray and applied onto the one side of the light guide plate provided with the light-reflection points, and a diffusion sheet applied onto the other side of the light guide plate with the characteristics to distribute the light rays uniformly; and the light sources are able to cast at least one kind of light ray of different colors and arranged at least at one end of the light guide plate so that the light ray can be cast out through the backlight module.. .

01/14/16
20160011360 

Surface light-emitting device


A surface light-emitting device includes a light guide plate (1) comprising glass plates (12) respectively in close contact with and fixed to both surfaces of a resin plate (11) via adhesive layers (14), and a light source (2) for causing light to enter the light guide plate from one end surface of the light guide plate (1). As the light source (2), a light source having a blue central wavelength in a wavelength range of 460 nm or more and 490 nm or less, or a light source having a blue central wavelength in a wavelength range of 440 nm or more and less than 460 nm and having a color temperature of 4,000 k or lower is used..
Hayamizu Denki Kogyo Kabushikikaisha


01/14/16
20160011359 

Reflective display for preventing color distortion and deterioration of color purity


A reflective display includes a display panel, a first color filter layer, a second color filter layer, a light guide plate, and a light source. The first color filter layer is disposed on the display panel; the second color filter layer is disposed on the display panel and arranged with the first color filter layer in parallel.
E Ink Holdings Inc.


01/14/16
20160011354 

Backlight device


A backlight device includes a light guide plate including a first incident surface, and one or more second incident surfaces that are connected to the first incident surface and inclined with respect to the first incident surface in a top plan view; at least one green illuminant arranged to face one of (i) the first incident surface and (ii) the one or more second incident surfaces; and at least one red illuminant arranged to face the other of (i) the first incident surface and (ii) the one or more second incident surfaces. At least one of (i) the green light emitted from the green illuminant, and (ii) the red light emitted from the red illuminant, contains a blue component whose emission peak wavelength is 420 nm to 500 nm..
Nichia Corporation


01/14/16
20160009011 

Apparatus for manufacturing light guide plate


The present disclosure relates to the technical field of liquid crystal display. Specifically, it relates to an apparatus for manufacturing light guide plate.
Shenzhen China Star Optoelectronics Technology Co. Ltd.


01/07/16
20160003999 

Backlight unit and display device


A backlight unit (10) and a display device are provided. The backlight unit (10) comprises a light guide plate (101), and a light source (102), a first reflective film (101), and a second reflective film (104).
Boe Technology Group Co., Ltd.


12/31/15
20150378188 

Curved surface backlight unit and curved surface display device including the same


A curved surface backlight unit is disclosed which includes: a light source; a curved surface light guide plate disposed parallel to the light source; first patterns on one surface of the light guide plate; a reflection plate disposed under the light guide plate; optical sheets disposed on the light guide plate; and second patterns formed on one surface of at least one of the optical sheets.. .
Lg Display Co., Ltd.


12/31/15
20150378091 

Backlight device and display apparatus


The backlight device included in the display apparatus includes a bezel, light guide plate, heat sink (supporting member) located on the rear side of the light guide plate, and a front side chassis (pressing member) located on the front side of the light guide plate to press the light guide plate from the front side. The bezel is fixed to the front side chassis.
Sakai Display Products Corporation


12/31/15
20150378090 

Light source device and display device


In a light source device including: a light guide plate that outputs light incident from one side face from one face; a light source that is arranged on the one side face side of the light guide plate; and a back chassis that has a bottom arranged to face the other face of the light guide plate, by forming a reflection film reflecting light incident from the light guide plate to the light guide plate in a heat absorption plate portion that is arranged between the light guide plate and the bottom of the back chassis and absorbs heat emitted from the light source, the heat absorption plate portion absorbs heat generated from the light source and achieves the role of a reflection sheet.. .

12/31/15
20150378086 

Optical assembly, manufacturing the same and display device


The present disclosure of the present invention provides an optical assembly, a manufacturing method thereof, and a display device. Specifically, the optical assembly for a backlight module includes a light guide plate; and a set of optical membranes located on a light exiting surface of the light guide plate.
Hefei Boe Display Light Co., Ltd.


12/31/15
20150378084 

Backlight module


A backlight module including a light guide plate, a light conversion layer, a light source, and a reflecting surface is provided. The light guide plate has a light emitting surface, a back surface, a first side, and a second side.
Young Lighting Technology Inc.


12/31/15
20150378083 

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.


12/31/15
20150378082 

Light guide plate, backlight module, and display device


The present invention discloses a light guide plate, a backlight module and a display device, so as to solve the technical problem of color shift generated in prior art display panel due to the change of angle of view. The light guide plate comprises a bottom surface, a light exiting surface opposite to the bottom surface, and a quantum dot layer provided on the light exiting surface and comprising a quantum dot array, wherein the light exiting surface has a non-planar structure.
Boe Technology Group Co., Ltd.


12/24/15
20150370400 

Light guide device having touch function


A light guide device having touch function, including: a reflective plate having one or more conductive areas; a light source unit having a light output side; a light guide plate, located above the reflective plate and having a light input side and a light output face, wherein the light input side is adjacent to the light output side of the light source unit; and a control circuit having a touch detection unit, wherein, the touch detection unit is coupled with the one or more conductive areas of the reflective plate for detecting a touch event on the light output face.. .
Yicheng Precision Inc.


12/24/15
20150370075 

Display device


A display device comprising a first image display device comprising a light guide plate, a dimmer, and a light control device. The light control device is configured to identify a start time of change in quantity of light received by the display device, and control transmissivity of the dimmer based on quantity of light received by the display device, after a predetermined amount of time after the start time has elapsed..
Sony Corporation


12/24/15
20150370006 

Backlight assembly and liquid crystal display having the same


Provided are a backlight assembly with improved heat dissipation, and a liquid crystal display (lcd) having such a backlight assembly. The backlight assembly includes: a light guide plate; a light source unit disposed on a side of the light guide plate; an intermediate housing covering an upper surface of the light source unit; and a lower housing coupled to the intermediate housing to accommodate the light guide plate and the light source unit, wherein the lower housing includes: a light source unit-fixing frame to which the light source unit is fixed, the light source unit-fixing frame contacting an inner surface of the intermediate housing; and a body portion disposed under the light guide plate and coupled to the light source unit-fixing frame..
Samsung Display Co., Ltd.


12/24/15
20150370005 

Light guide structure and backlight module


A backlight module including a light source module and a light guide structure is provided. The light source module includes a base, at least one light source and a first circuit layer.
Global Lighting Technologies Inc.


12/24/15
20150369999 

Light guide plate and manufacturing the same, and backlight module


The present invention discloses a light guide plate and a method of manufacturing the same, and a backlight module. The light guide plate comprises: a transparent substrate having a light emergence face, a bottom face opposite to the light emergence face, and a plurality of side faces connecting and perpendicular to the light emergence face and the bottom face; and a scattering layer and a first reflective film layer, wherein the scattering layer is formed on the light emergence face of the transparent substrate and the first reflective film layer is formed on the bottom face of the transparent substrate, or the scattering layer is formed on the bottom face of the transparent substrate and the first reflective film layer is formed on the scattering layer..
Boe Technology Group Co., Ltd.


12/24/15
20150369995 

Display apparatus


A display apparatus is provided. It comprises a display panel and a switching assembly comprising a transparent light guide plate located at the light incidence side of the display panel and a light source, the transparent light guide plate located at the light incidence side of the display panel and provided with a plurality of mesh points on the surface of the transparent light guide plate facing away from the display panel, the transparent light guide plate having a light incidence face, the light source being located at one side of the light incidence face of the transparent light guide plate and being switchable between one state in which the light is emitted towards the light incidence face of the transparent light guide plate and the other state in which the light is not emitted towards the light incidence face of the transparent light guide plate..
Boe Technology Group Co., Ltd.


12/24/15
20150369994 

Backlight assembly and display device having the same


A backlight assembly includes a light source, a circuit board on which the light source is disposed, a light guide plate in which light emitted from the light source is incident on one surface and the incident light is emitted to another surface, a bottom chassis configured to accommodate the light guide plate, and a fixing frame coupled to the bottom chassis and configured to fix the circuit board. The fixing frame includes a first fixing frame on which the circuit board is disposed and a second fixing frame separably coupled to the first fixing frame and disposed on a bottom surface of the bottom chassis..
Samsung Display Co., Ltd.


12/24/15
20150369993 

Backlight assembly and display device having the same


A backlight assembly includes a circuit substrate, a light source arranged on the circuit substrate, a light guide plate having a first surface configured to receive light emitted from the light source and a second and different surface to emit light, a wavelength converting unit arranged between the light source and the light guide plate and a spacer arranged around the light source. The spacer is spaced apart from the light source in a direction perpendicular to the light-emitting direction of the light emitted from the light source..
Samsung Display Co., Ltd.


12/24/15
20150369992 

Light source cover including groove and backlight assembly including the light source cover


A backlight unit includes a light source unit which has a curved shape, a light guide plate including a curved light incident surface on which light emitted from the light source unit is incident, and a light source cover which has a curved shape corresponding to the curved light incident surface and is configured to surround one side of the light guide plate to dispose the light source unit and the light incident surface inside thereof. A groove is defined in the light source cover and extends toward the inside of the light source cover from an edge portion thereof..
Samsung Display Co., Ltd.


12/24/15
20150369987 

Backlight assembly and display device having the same


A backlight assembly is provided. The backlight assembly includes a light source, a light guide plate, a light collimation unit, and a guide groove.
Samsung Display Co., Ltd.


12/24/15
20150368146 

Aluminosilicate glasses


Compounds, compositions, articles, devices, and methods for the manufacture of light guide plates and back light units including such light guide plates made from glass. In some embodiments, light guide plates (lgps) are provided that have similar or superior optical properties to light guide plates made from pmma and that have exceptional mechanical properties such as rigidity, cte and dimensional stability in high moisture conditions as compared to pmma light guide plates..
Corning Incorporated


12/17/15
20150362787 

Display module


The present disclosure provides a display module, comprising a light guide plate; a display panel arranged on one side of the light guide plate; a fixing element capable of being fixed on a peripheral edge of the display panel; a backboard arranged on one side of the light guide plate far away from the display panel; and a rubber frame arranged on the periphery of the light guide plate, wherein the rubber frame is connected and fixed to the backboard, and further engageably connected to the fixing element so as to fix the display panel.. .
Beijing Boe Display Technology Co., Ltd.


12/17/15
20150362735 

Light beam expanding device, image display device, and optical device


An image display device includes an image generating device, a light guide unit, and a light beam expanding device. The light guide unit includes a light guide plate, a first deflector, and a second deflector.
Sony Corporation


12/17/15
20150362666 

Mold frame, backlight module and display device


The present disclosure discloses a mold frame, a backlight module and a display device. The mold frame includes sidewalls for limiting a periphery of a light guide plate and optical films in the backlight module, and a boss for limiting the light guide plate and the optical films in a direction perpendicular to an output surface of the light guide plate.
Beijing Boe Display Technology Co., Ltd.


12/17/15
20150362654 

Light mixing chamber for use with color converting material and light guide plate and assembly


A light mixing chamber of a backlight includes a housing having a channel and a chamber exposed to the channel, an led positioned within the chamber, and a capillary containing quantum dots positioned in the channel. A light guide plate is positioned adjacent the housing and adjacent the capillary.
Qd Vision, Inc.


12/17/15
20150362653 

Backlight module


A backlight module includes a backplane, a light guide plate in the backplane, and at least a backlight source in the backplane. The backplane includes a bottom plate.
Shenzhen China Star Optoelectronics Technology Co., Ltd.


12/17/15
20150362652 

Lighting device, display device, and television receiving device


A backlight device includes an led; a light guide plate that has a light-exiting surface provided at one plate surface, an opposite surface provided at a plate surface on the opposite side to the light-exiting surface, and a light-receiving side face provided at one side face, that is arranged such that the light-receiving side face faces the led and that guides light from the led; a chassis having a plate surface arranged so as to face the opposite surface and housing at least the led and the light guide plate; and an optical sheet that is arranged so as to face the light-exiting surface, that provides light that has exited the light guide plate with an optical function and that has a bent portion that extends further toward the outside than an edge of the light-exiting surface and is bent toward the opposite surface side and as a result covers at least part of a side face of the light guide plate.. .
Sharp Kabushiki Kaisha


12/10/15
20150355506 

Liquid crystal display


A liquid crystal display includes a display panel receiving light to display an image, and a backlight assembly emitting the light to the display panel, the backlight assembly including a light emitting unit emitting the light, a light guide plate coupled to the light emitting unit, the light guide plate guiding the light emitted from the light emitting unit to the display panel, and a reflective adhesive member including a light reflective material, the reflective adhesive member surrounding the light emitting unit and coupling the light emitting unit to the light guide plate.. .
Samsung Display Co., Ltd.


12/10/15
20150355404 

Display device


A display device includes a light source which generates light, a light guide plate including a first surface receiving the light, and a second surface emitting the light, an optical sheet disposed on the light guide plate and including a sheet body and a sheet guide unit, a mold frame including a guide mold, and a side-surface mold which is extended upwards from the guide mold and in which a recess groove accommodating the sheet guide unit is defined, and a protrusion body including a first end portion inserted in the mold frame, and a second end portion coupled to the sheet guide unit, where an inserting groove in which the protrusion body is inserted is defined in the side-surface mold, and the protrusion body has a smaller width compared to a width of the inserting groove.. .
Samsung Display Co., Ltd.


12/10/15
20150355402 

Light guide plate and light source module


A light guide plate and a light source module are described. The light guide plate includes a main body, first stripe microstructures and second stripe microstructures.
Radiant Opto-electronics Corporation


12/10/15
20150355400 

Backlight module and liquid crystal display device


This invention discloses a backlight module comprises a light guide plate, a middle frame, a quantum strip, and a light source disposed approximate to a light input surface of the light guide plate. The the middle frame comprises a supporting portion and a containing portion connecting to the supporting portion, the supporting portion is disposed on a light output surface of the light guide plate, and the containing portion is disposed between the light source and the light input surface.
Shenzhen China Star Optoelectronics Technology Co., Ltd.


12/10/15
20150355399 

Display with structures for reducing blue edge effects


Display backlight structures may provide backlight illumination that passes through display layers in the display. Light-emitting diodes may emit blue light into an edge of a light guide plate.
Apple Inc.




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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