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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
02/04/16
20160033817 
 Display patent thumbnailDisplay
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 patent thumbnailLighting 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 patent thumbnailBacklight 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 patent thumbnailDisplay 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 patent thumbnailScanning 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 patent thumbnailLight 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 patent thumbnailLiquid 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 patent thumbnailOrganic 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 patent thumbnailLiquid 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 patent thumbnailLiquid 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.


12/03/15
20150348723 

Push button switch, push button unit, and amusement machine


A push button switch has a button section having a push operation surface that is made of a light-transmitting material, and a light guide plate arranged in parallel with the push operation surface, a moving mechanism that causes the button section to move in parallel with a pushing direction, a detecting section that detects when the button section has moved in parallel with the pushing direction, a light source that emits light that enters the light guide plate via a lateral surface of the light guide plate, and a base positioned on a rear surface side of the button section, on which the moving mechanism is disposed. The moving mechanism holds the button section at an area other than an area corresponding to the push operation surface.
Omron Corporation


12/03/15
20150346541 

Display device


A television includes a liquid crystal cell, a light source unit, a light guide plate that includes a light entrance surface containing a side end surface through which light emitted from the light source unit enters, and guides light emitted from the light source unit and entering the light entrance surface such that the light travels toward the liquid crystal cell, and a mold frame disposed between the light guide plate and the liquid crystal cell, and supporting the liquid crystal cell. The television includes an elastic member disposed between the light guide plate and the mold frame, brought into contact with the light guide plate in an elastically deformed state of the elastic member, and exhibiting non-translucency to prevent transmission of light..
Funai Electric Co., Ltd.


12/03/15
20150346426 

Optical module, display device containing the same and manufacturing the same


The present disclosure provides an optical module. The optical module includes a light guide plate and a decorative layer.
E Ink Holdings Inc.


12/03/15
20150346425 

Illumination device, display device and tv receiver


Provided is a backlight device that includes: leds; a led substrate; a light guide plate having a light-exiting surface, an opposite surface on an opposite side of the light-exiting surface, and a light-receiving face; a chassis; a frame; a heat dissipating member having a bottom part and a raised part; a pair of fixing members, each having a gripping part that extends along a long-side direction of the raised part and that grips each end in the long-side direction of the raised part in a direction perpendicular to a plate surface of the raised part, and a locking part that extends along the long-side direction of the raised part and that is locked to each of side faces adjacent to the light-receiving face of the light guide plate on a side of the light-receiving face. The pair of fixing members keeps a distance between the led substrate and the light guide plate constant by fixing a distance between the gripping part and the locking part..
Sharp Kabushiki Kaisha


12/03/15
20150346423 

Liquid crystal display device


A liquid crystal display device includes a plurality of light source packages each having a light-emitting portion for emitting light, a light guide plate which light emitted from the light source packages enters through the incidence surface, having a height and a width, and from which the light exits through the exit surface, and a liquid crystal display panel for controlling, for each pixel, the orientation of a liquid crystal material to control the transmission of the light exiting through the exit surface. Each light source package has two opposing long sides and two opposing short sides when viewed from the direction of the light emitted by the light-emitting portion.
Japan Display Inc.


12/03/15
20150346419 

Backlight module


A backlight module includes a light source, a light guide plate, a quantum dot enhancement film unit and a reflecting unit. The light guide plate includes a light-input side that faces the light source, and an opposite side that is opposite to the light-input side.
Radiant Opto-electronics Corporation


12/03/15
20150346418 

Backlight module and lcd using the same


A backlight module includes a back plate, a reflection sheet disposed on the back plate, a light guide plate disposed on the reflection sheet, an optical resin layer disposed on the light guide plate, and a backlight source disposed at a surface of the light guide plate. The optical resin layer provides with a diffusion structure such that lights which are emitted into the optical resin layer emits out after forming an even surface light source.
Shenzhen China Star Optoelectronics Technology Co., Ltd.


12/03/15
20150346415 

Light guide unit and light source module


A light guide unit is adapted to be disposed beside a light source. The light guide unit includes a light guide plate and a plurality of optical structures.
Young Lighting Technology Inc.


12/03/15
20150346414 

Light guide plate and light source module


A light guide plate and a light source module are provided. Light guide plate includes a main body and microstructures disposed on the main body.
Radiant Opto-electronics Corporation


12/03/15
20150346413 

Illuminator


A light guide plate 40 comprises: an annular part 41 formed in an annular shape along an element array of multiple light emitting elements 22; and an annular inner part 42 formed on an annular inside of the annular part 41 continuously with the annular part 41. The annular part 41 comprises: an element array-facing part 44 which is a part facing the element array and which has an incident surface 44b to allow light emitted from the light emitting elements 22 to enter; and a first reflecting part 45 which is a part located closer to the annular inner part than the element array-facing part 44, and which has a reflecting surface for reflecting the light entering from the incident surface 44b toward the annular inner part 42.
Panasonic Intellectual Property Management Co., Ltd.


11/26/15
20150341587 

Display apparatus and television receiver


A display apparatus, comprising: a display panel including a display region displaying an image in front side at a center part of the display panel, and including a non-display region around the display region; a light guide plate arranged in rear side of the display panel, and being opposed to the display panel; an optical sheet arranged between the light guide plate and the display panel; and a support part arranged between the optical sheet and the light guide plate, and supporting an edge part of the optical sheet, wherein the optical sheet is opposed to the display region and the non-display region, and at least a part of the support part is located in the display region over a boundary between the non-display region and the display region.. .
Sharp Kabushiki Kaisha


11/26/15
20150338565 

Front light module and display device


A front light module including a light guide plate, a light source, a transparent cover lens and an annular connecting unit is provided. The light guide plate includes a first surface, a plurality of micro-structure groups, a second surface and a light entering surface.
E Ink Holdings Inc.


11/26/15
20150338564 

Surface texture of light guide plate, use and manufacturing method thereof


A surface texture of a light guide plate (101), use and manufacturing method thereof, wherein the surface texture includes convex-concave structures (301, 401, 501), the curved surfaces of the convex-concave structures are optically smooth, the arithmetical mean deviation of the surface roughness profiles isn't greater than ⅛ shortest wavelength of working light in the light guide plate. By using the light guide plate with the surface texture, not only can total reflection be performed in the light guide plate, but also the outer surface of the light guide plate appears to have the effect similar to diffuse reflection, so that specular reflection of the surface of the classical light guide plate can be overcome..

11/19/15
20150331179 

Backlight and display device


The present disclosure discloses a backlight, which includes a rubber frame, a light guide plate and a membrane disposed on the light guide plate. The membrane has at least one positioning hole defined therein; the rubber frame includes an elastic connecting part disposed thereon, and the elastic connecting part engages with the positioning hole to fix the membrane.
Beijing Boe Display Technology Co., Ltd.


11/19/15
20150331177 

Backlight module and display device


The present disclosure provides a backlight module and a display device. The backlight module includes a light guide plate; an optical sheet arranged on one side of the light guide plate and provided with a first positioning part at an edge position of the optical sheet; and a mold frame arranged on the periphery of the light guide plate, wherein the mold frame includes at least a coverage part, which is located at one side of the optical sheet far away from the light guide plate and covers the edge position of the optical sheet, and a second positioning part used for coordinating with the first positioning part to realize positioning of the optical sheet is arranged on a surface of the coverage part facing the optical sheet..
Beijing Boe Display Technology Co., Ltd.


11/19/15
20150331176 

Front light guide module and electrophoresis display having the same


A front light guide includes a light guide plate, a light source, a functional material layer and a first adhesive layer. The light guide plate has a side surface, a first surface and a second surface opposite to the first surface.
E Ink Holdings Inc.


11/19/15
20150331175 

Light guide plate and forming mould thereof, and backlight module


The present invention relates to the field of display technologies, and in particular, to a light guide plate, a forming mould and a backlight module. The light guide plate comprises a transparent substrate and a light shielding member, wherein the transparent substrate comprises a light outgoing surface, a bottom surface opposite to the light outgoing surface, a light incoming side and a non-light incoming side, and the light shielding member is integrally connected with the non-light incoming side of the transparent substrate.
Boe Optical Science And Technology Co., Ltd.


11/19/15
20150331173 

Light guide plate, backlight module and display device


The present invention discloses a light guide plate, a backlight module and a display device. In the light guide plate, a plurality of triangular pyramid dots are provided; two of four surfaces of each of the triangular pyramid dots are light receiving surfaces facing a backlight source, and are reflective mirror surfaces, so that incident light reaching the two light receiving surfaces from the backlight source is converted into emergent light exiting in two different directions, and then the emergent light is emitted out from the upper surface of the light guide plate.
Boe Technology Group Co., Ltd.


11/19/15
20150331172 

Display device


A display device includes a reflective cover, a light guide plate, and a display device. The reflective cover has an opening confined by a top inner surface, at least one side inner surface, and a bottom inner surface of the reflective cover.
E Ink Holdings Inc.


11/19/15
20150331171 

Back light unit and display device


The general inventive concepts provide a side-light type backlight unit. The side-light type backlight unit comprises a light guide plate and a light source located at the side of the light incident surface of the light guide plate.
Beijing Boe Display Technology Co., Ltd.


11/19/15
20150331170 

Backlight module


A backlight module including a back plate, a light guide plate, a light source, a plastic frame, and a light conversion layer is provided. The light guide plate is disposed on the back plate and has a light incident surface and a light exit surface, wherein a first edge of the light exit surface is adjacent to the light incident surface.
Young Lighting Technology Inc.


11/19/15
20150331168 

Light guide plate, dual-view backlight module and dual-view display device


A light guide plate, a dual-view backlight module having the light guide plate and a dual-view display device having the dual-view backlight module are provided. A lower surface of the light guide plate includes at least one v-shaped groove configured to reflect a light ray, which is incident onto the lower surface of the light guide plate from sides thereof, onto an upper surface of the light guide plate by sides of the at least one v-shaped groove, the reflected light ray leaving the light guide plate from the upper surface thereof.
Boe Technology Group Co., Ltd.


11/19/15
20150328989 

On-vehicle meter and display apparatus


An on-vehicle meter includes a meter including an indicator that rotates about a certain axis, a transparent display device provided on a display side of the meter, a light guide plate provided between the meter and the transparent display device, a light source that emits light to the light guide plate, and a control device that controls a display state of the transparent display device and the light source.. .
Japan Display Inc.


11/12/15
20150323731 

Lighting device, display device and television device


A lighting device 24 includes a light guide plate 20, leds 28, an led board 30, a chassis 22, a heat dissipation member 36, and a restriction member 40. The light guide plate 20 includes a light entrance surface 20a and a light exit surface 20b.
Sharp Kabushiki Kaisha


11/12/15
20150323727 

Backlight module


The present invention discloses a backlight module, comprising at least one back plate, a light guide plate, an optical film, a base, a plurality of fasteners and a plurality of optical fibers. The light guide plate is disposed in the back plate; the optical film is disposed on the light guide plate; the base is installed at one side of the light guide plate, and comprising a plurality of corresponding holes spaced with each other; the fasteners are fastened on the corresponding holes; each of the fasteners comprises a pressing hole; the optical fibers used for transmitting a light source are passed through the pressing holes; the optical fibers are tightly fixed by the fasteners.
Shenzhen China Star Optoelectronics Co., Ltd.


11/12/15
20150323724 

Light guide plate and surface illumination device


A light guide plate has a light conducting portion having a light input surface for introducing light into the light guide plate, a main light guiding body that is thinner than a maximum thickness of the light conducting portion, and disposed continuously from the light conducting portion, a slanted surface that is disposed on the light conducting portion on at least one of a surface near a light output surface and a surface opposite the surface near the light output surface, and that is inclined from a section of the light guide plate that is thicker than the main light guiding body toward an end of the main light guiding body, two cylindrical surfaces that cut into the slanted surface, and a groove formed by the two cylindrical surfaces.. .
Omron Corporation


11/12/15
20150323712 

Complex three-dimensional multi-layer structure and manufacturing method thereof


The present invention relates to a 3-dimensional complex multilayer structure. The 3-dimensional complex multilayer structure includes a first pattern and a second pattern having different thicknesses formed on one or both surfaces of a plate.
Minuta Technology Co., Ltd


11/05/15
20150316811 

Liquid crystal display device


The present invention prevents heat from flowing into an optical sheet or the like and minimizes positional displacement of an optical sheet when placed in an upright laying. A liquid crystal display device is provided with an optical sheet and a resin-made chassis that forms an air layer between the optical sheet and a light guide plate.
Sharp Kabushiki Kaisha


11/05/15
20150316710 

Buffer element and manufacturing method thereof, backlight module, and display device


A buffer element and a manufacturing method thereof, a backlight module, and a display device are disclosed. When the buffer element is applied to the backlight module, the problem caused by thermal expansion of the light guide plate can be effectively solved without needing to reserve a gap in the backlight module, the relative movement of the light guide plate is avoided and the optical quality of the backlight module is improved.
Hefei Boe Display Light Co., Ltd.


11/05/15
20150316709 

Light source device and display apparatus


The reflection sheet includes a first reflection sheet piece and a second reflection sheet piece, wherein the first reflection sheet piece is pinched by the light guide plate and the back cover, and the second reflection sheet piece is held by the first reflection sheet piece.. .

11/05/15
20150316705 

Back light module


A backlight module including a light guide plate, a plurality of point light sources and a frame is provided. The light guide plate includes a body, a positioning structure and a plurality of first micro-structures.
Au Optronics Corporation


11/05/15
20150316699 

Light guide plate, lighting device, display device, and television device


A light guide plate having a rectangular plate-like shape includes a light entrance surface, a light exit surface, an opposite plate surface, and a light reflection pattern. The light entrance surface is a peripheral surface.
Sharp Kabushiki Kaisha


11/05/15
20150314582 

Film coating apparatus and film coating method


Embodiments of the present invention provide a film coating apparatus and a film coating method, relating to the field of manufacturing of display devices. The film coating apparatus comprises a feeding unit, an attaching unit and a cutting unit, which are arranged on a base, wherein the feeding unit is configured to feed a film to be attached to the surface of a product; the attaching unit is connected to the feeding unit and configured to attach the film onto the surface of the product; and the cutting unit is connected to the feeding unit and configured to cut the film.
Boe Optical Science And Technology Co., Ltd.


11/05/15
20150313381 

Luminous photo frame


A luminous photo frame includes an outer frame assembly having a light transmittable section, a reflector plate arranged in the outer frame assembly, a light guide plate arranged between the reflector plate and the light transmittable section, a light emission element opposing an edge of the light guide plate, a brightness enhancement film arranged between the light guide plate and the light transmittable section, and a light-transmitting surface panel mounted to the outer frame assembly to be adjacent to the light transmittable section. To use, a traditional photo is first deposited at one side of the light-transmitting surface panel and the light emission element is activated to emit light, which is guided and spread by the light guide plate and reflected by the reflector plate for projecting toward the light transmittable section to pass through the brightness enhancement film and transmit through the light transmittable section and the traditional photo..

10/29/15
20150309245 

Backlight device and three-dimensional display apparatus having the same


Provided is a backlight device in which each of a plurality of patterns separated at a uniform interval is intermittently formed and a 3d display apparatus having the same. The backlight device includes light sources configured to generate light and a light guide plate configured to change a path of the light and configured to emit the light, wherein the light guide plate includes an incident surface upon which the light is incident, an exit surface configured to emit the incident light, a reflective surface provided opposite to the exit surface, and a plurality of main patterns separated at a uniform interval, the plurality of main patterns provided intermittently on the reflective surface and configured to scatter the incident light..
Samsung Electronics Co., Ltd.


10/29/15
20150309244 

Light guide plate, manufacturing the same and display device comprising the same


A manufacturing method of the light guide plates, a light guide plate made by the method and a double-side display device comprising the light guide plate. The manufacturing method of a light guide plate comprises: forming a plurality of alternating first grooves (101) and second grooves (102) on a surface of a transparent substrate (100); forming a first reflective layer (300) on a surface of the first groove (101); and forming a transparent protective layer (500) on the entire surface of the substrate.
Boe Technology Group Co., Ltd.


10/29/15
20150309243 

Spread illumnating apparatus


Light that enters from an incident light surface of a light guide plate includes not only light which is guided toward the forward direction in front but also light whose optical path is modified by optical elements while progressing through the inside of the light guide plate, and thus wasteful emission from an emitting surface is inhibited. Lights are guided in a longitudinal direction of the optical elements.
Minebea Co., Ltd.


10/29/15
20150309240 

Light guide plate and an edge-lit backlight module of utilizing the same


A light guide plate including a light guide plate main body is disclosed. The light guide plate main body has a light emitting plane, a bottom plane opposite to the light emitting plane.
Shenzhen China Star Optoelectronics Technology Co.


10/29/15
20150309239 

Lcd module and electronic device including the same


An lcd module according to various embodiments of the present disclosure includes a reflective sheet for reflecting light exiting from a light guide plate to input the light toward the light guide plate again, and a metal sheet bonded to a rear surface of the reflective sheet that is opposite to a light incident surface thereof.. .
Samsung Electronics Co., Ltd.


10/29/15
20150309238 

A backlight module and a display device


A backlight module comprising a light guide plate (3) and a glue frame on the periphery of the light guide plate (3), the light guide plate (3) comprising an light incoming surface (32) and a distal light surface (31) opposite to the light incoming surface (32), the glue frame comprising a first rim (11) facing the distal light surface (31) of the light guide plate (3), the first rim (11) comprising a first surface (111) facing the distal light surface (31) of the light guide plate (3), wherein the first surface (111) has a first microstructure. The backlight module efficiently improves light leak phenomenon while improving utility efficiency of light..
Boe Technology Group Co., Ltd.


10/22/15
20150302805 

Liquid crystal display device


A backlight (700) is configured by upper-side leds (71u) and lower-side leds (71d) that are provided respectively in an upper side and a lower side of a liquid crystal panel (800), and an upper-side light guide plate (72u) and a lower-side light guide plate (72d) for guiding emission light respectively from the upper-side leds (71u) and the lower-side leds (71d) to the liquid crystal panel (800). When a screen of a color corresponding to each field which constitutes one frame period is displayed, leds included in the upper-side leds (71u) are turned into a light emission state and then leds included in the lower-side leds (71d) are turned into the light emission state, and the leds included in the upper-side leds (71u) are turned into a light-off state and then the leds included in the lower-side leds (71d) are turned into the light-off state..

10/22/15
20150301384 

Liquid crystal display apparatus


A liquid crystal display apparatus comprises: a liquid crystal display panel including a liquid crystal cell between a first polarizing plate and a second polarizing plate; and a surface light source device having a light source unit and a light guide plate. In a polarized light output from the light guide plate, when the normal direction of a light output surface is defined to be at a polar angle of 90°, and the light guiding direction of the light guide plate is defined to be a direction of an azimuth angle of 0°-180°, a ratio la/lt of integrated intensity la of output light in ranges where the polar angle is 50° to 80° and the azimuth angle is 135° to 225°, 0° to 45°, and 315° to 360° to integrated intensity lt of total output light is 0.3 or more..
Nitto Jushi Kogyo Co., Ltd.


10/22/15
20150301273 

Display


In a backlight module of a display, a plurality of optical films has positioning protrusions disposed in a positioning slot of a plastic frame for correct installation of the optical films on a light guide plate. One or more middle optical films further include a fixing protrusion at the side corresponding to the light source and an existing opening formed by bending a system bracket out of a holder is provided for placement of the fixing protrusion of the middle optical films.
Au Optronics Corp.


10/22/15
20150301272 

Backlight module and liquid crystal display device using same


The present invention provides a backlight module and a liquid crystal display device using the backlight module. The backlight module includes a backplane (2), a light guide plate (4) arranged in the backplane (2), a backlight source (6) arranged in the backplane (2) at one side of the light guide plate (4), a light shielding film (8) mounted on the light guide plate (4) and the backplane (2) and located above the backlight source (6), and an optic film assembly (10) arranged on the light shielding film (8) and the light guide plate (4).
Shenzhen China Star Optoelectronics Technology Co., Ltd.


10/22/15
20150301266 

Lighting device and display device


An illumination device of the present invention is provided with: a light source; a light guide plate having a light-receiving face that faces the light source and on which light that has been generated from the light source is incident, an opposite surface that is on the opposite side to the light-receiving face, and a light-exiting surface from which light that has entered the light guide plate from the light-receiving face exits; a first wall disposed along the front-back direction of the light guide plate and having a light absorbing surface that faces the opposite surface and absorbs light that has leaked out from the light guide plate; and a first light absorbing member that extends between a front periphery adjacent to the opposite surface on the light-exiting surface and a front end of the first wall, and absorbs light that has leaked out from the light guide plate.. .
Sharp Kabushiki Kaisha


10/15/15
20150293298 

Lighting device, display device, and television device


A backlight device 12 includes leds 17, a light guide plate 16, an optical member 15, and heat dissipation members 30. The light guide member 16 includes light entrance surfaces 16b and a light exit surface 16a.

10/15/15
20150293297 

Method of making a light guide plate


A method of making a light guide plate includes: preparing a transparent substrate with a first planar surface and a perforated plate with a second planar surface and perforations; covering the transparent substrate with the perforated plate, such that the perforations expose dot-forming regions of the first planer surface and that the first and second planar surfaces are in intimate contact with each other; applying an ink onto the perforated plate; scraping across the perforated plate to form ink dots on the dot-forming regions, respectively; and removing the perforated plate from the transparent substrate.. .

10/15/15
20150293296 

Light source device


A light source device including a light guide plate and a light source, in which the light guide plate includes an incident surface on which light emitted from the light source is incident, an emission surface emitting light incident from the incident surface, and a propagating reflection surface which is a surface opposite to the emission surface and which propagates and reflects the light incident from the incident surface toward the emission surface, the propagating reflection surface has approximately v-shaped grooves and the v-shaped grooves have two kinds of grooves.. .

10/15/15
20150293294 

Portable electrical terminal


A portable electrical terminal with inward illumination includes a main body and a back shell positioned on the main body. A light source portion is arranged on the main body.

10/15/15
20150293293 

Light guiding system, edge-lighting backlight module and lcd device


A light guiding system includes an ambient light gathering system, multiple light guiding devices and a wedge light guiding bar. The ambient light gathering system facing ambient light is used for absorbing the ambient light.

10/15/15
20150293292 

Display device


A display device includes a light source, a light guide plate in which light emitted from the light source is incident on one surface and is emitted to the other surface, a bottom case configured to accommodate the light guide plate, a wavelength conversion unit between the light source and the light guide plate, a wavelength conversion unit holder disposed on the bottom case on an area corresponding to one end portion of the wavelength conversion unit, and a wave length conversion unit fixed to the wavelength conversion unit holder.. .

10/15/15
20150293291 

Light guide plate and assembly module using the same and backlight module


A light guide plate includes a light incident section and a light guiding section. The light incident section includes a light incident surface configured to receive light beams emitted from a light source, a top surface adjacent to the light incident surface, a first bottom surface oppose to the top surface.

10/15/15
20150293289 

Light guide plate and surface light source device


A light guide plate has a light guide plate member having a light incident surface on an end face of the light guide member, and a light emitting surface on a front surface of the light guide plate member, wherein the light incident surface is structured to have light incident thereon, and wherein the light emitting surface is structured to widen and emit light incident thereon out of the light guide plate member, and a directivity changing unit arranged on a light incident end portion of the light guide plate member on the front surface or a back surface of the light guide plate member. The directivity changing unit has a first inner inclined surface and a second inner inclined surface that change a directivity of the incident light within the directivity changing unit to widen the light laterally with respect to a direction perpendicular to the light incident surface..



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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