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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
08/18/16
20160238782 
 Illumination device and display apparatus patent thumbnailnew patent Illumination device and display apparatus
An illumination device according to one embodiment of the present invention comprises a light guide plate configured to emit light from inside through one surface of the light guide plate and a light source disposed to face a peripheral surface of the light guide plate. In the display apparatus, during non-light emitting of the light source, for distance s between the light source and the peripheral surface, a distance between a middle part of the light source in a peripheral edge direction of the light guide plate and a portion in the peripheral surface corresponding to the middle part is the longest..
Sakai Display Products Corporation


08/18/16
20160238779 
 Liquid crystal module and lcd patent thumbnailnew patent Liquid crystal module and lcd
A liquid crystal module includes a back bezel (1), a side-in backlight source (3), a light guide plate (2) having a light-in side opposite to the side-in backlight source (3), a quantum bar (5) between the side-in backlight source (3) and the light guide plate (2), a first support (6) having first windows (60) on top, and a second support (7) having second windows (70) on top. The quantum bar (5) is placed in a room formed by the first support (6) and the second support (7).
Shenzhen China Star Optoelectronics Technology Co., Ltd.


08/18/16
20160238778 
 Glass plate, light guide plate unit, planar light-emitting device, and liquid crystal display device patent thumbnailnew patent Glass plate, light guide plate unit, planar light-emitting device, and liquid crystal display device
A glass plate consisting of multicomponent oxide glass, which has an effective optical path length of from 25 to 200 cm, a thickness of from 0.5 to 10 mm, and an average internal transmittance in the visible region of at least 80% and a chromaticity y of tristimulus values in the xyz colorimetric system as defined in jis z8701 (appendix) of at least 90%, under the effective optical path length.. .

08/18/16
20160238777 
 Light guide plate ,light source module and display device patent thumbnailnew patent Light guide plate ,light source module and display device
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


08/18/16
20160238776 
 Light guide plate and led lamp patent thumbnailnew patent Light guide plate and led lamp
The present invention discloses an led lamp comprising a light guide plate. The lamp comprises a mounting seat, an led lamp panel and at least one light guide substrate, wherein the light guide substrate is provided with an incident side wall corresponding to the led light-emitting unit, and the light guide substrate is at least provided with a side wall intersecting the incident side wall, which has one or more continuous or discontinuous diffuse reflection points.
The Newish Product Ltd.


08/18/16
20160238774 
 Light guide plate, backlight unit comprising same, liquid crystal display device and optical sheet patent thumbnailnew patent Light guide plate, backlight unit comprising same, liquid crystal display device and optical sheet
The light guide plate includes a light exit surface from which light incident from an end surface exits, and a back surface facing the light exit surface, in which the light guide plate includes a plurality of diffuse reflection patterns containing an inorganic material on the back surface, arid a quantum dot exists on at least one surface selected from a group consisting of at least the light exit surface, the back surface, and the end surface in the shape of a pattern.. .
Fujifilm Corporation


08/18/16
20160238773 
 Display device patent thumbnailnew patent Display device
A display device includes a first light source module, a display panel and a transparent filling. The first light source module includes at least one first light source and a first light guide plate (lgp).
E Ink Holdings Inc.


08/11/16
20160231502 
 Planar light source device and liquid crystal display apparatus patent thumbnailPlanar light source device and liquid crystal display apparatus
A planar light source device includes at least a light guide plate and a lamp unit disposed replaceably at a side surface of the plate. The lamp unit includes: a lamp holder having a shape where a surface facing the side surface of the light guide plate is opened; an led mounted on a flexible cable, the cable fixed on an inner surface of the lamp holder; and a shielding sheet fixed on an outer surface of the lamp holder.
Nlt Technologies, Ltd.


08/11/16
20160231501 
 Lighting device and display apparatus patent thumbnailLighting device and display apparatus
A lighting device, comprising a light guide plate being housed in a casing with an opening and having one surface facing the opening, and a light source placed to face a side surface of the light guide plate, and emitting, from the one surface of the light guide plate, light emitted from the light source and entering the light guide plate through the side surface, comprising a frame body covering an edge of the one surface of the light guide plate from a side of the one surface, wherein the frame body has a rib facing at least a part of a side surface of the light guide plate, except for a side surface at a side proximal to the light source, and extending toward a bottom surface of the casing, and the rib is configured to be capable of being bent by pressing force from the light guide plate.. .
Sakai Display Products Corporation


08/11/16
20160231500 
 Light source module and display apparatus patent thumbnailLight source module and display apparatus
A light source module includes a substrate on which a light source is mounted, a light guide plate emitting light from one surface of the light guide plate, the light having entered the light guide plate through an end surface of the light guide plate, a frame body covering a periphery of the light guide plate, and a fixing element fixing the substrate to the frame body in a state where the substrate is put between the frame body and the fixing element, wherein the light source includes a plurality of leds arranged side by side along the end surface, and the fixing element is engaged with the frame body and includes a positioning part positioning the light guide plate in a direction along which the plurality of leds are arranged side by side.. .
Sakai Display Products Corporation


08/11/16
20160231496 

Backlight unit and a display apparatus including the same


A display apparatus includes a display panel which receives light to display an image. A light guide plate guides the light toward the display panel.
Samsung Display Co., Ltd.


08/11/16
20160231495 

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.


08/11/16
20160231490 

Illumination device and display apparatus


An illumination device according to one embodiment of the present invention comprises a light guide plate configured to emit light from inside through one surface of the light guide plate, a light source disposed to face a peripheral surface of the light guide plate, and a reflection sheet which is provided at a region face to the other surface of the light guide plate, which is opposite to the one surface, to reflect the light emitted by the light source toward the light guide plate. For distances between the light source and a peripheral edge part of the reflection sheet, a distance between a middle part of the light source in a peripheral edge direction of the light guide plate and a portion in the peripheral edge part of the reflection sheet corresponding to the middle part is the longest..
Sakai Display Products Corporation


08/04/16
20160223862 

Liquid crystal display device


Disclosed herein is a liquid crystal display device having a thin thickness and a reduced size of a bezel. According to an exemplary embodiment, the liquid crystal display device includes: a liquid crystal display panel including a display area and a non-display area enclosing the display area; a light guide plate disposed under the liquid crystal display panel and having a polygonal plane shape including a first side, a second side, a third side, and a fourth side; and a light source adjacent to the first side of the light guide plate, wherein at least one of the second side, the third side, and the fourth side of the light guide plate overlaps the display area..
Samsung Display Co., Ltd.


08/04/16
20160223741 

Backlight unit and display device including the same


A backlight unit that allows a slimmer design for a display device is presented. The backlight unit includes: a bottom chassis; a bracket accommodated in the bottom chassis and positioned at an edge of the bottom chassis; a light source unit including a substrate fixedly positioned on the bracket and a light source mounted on the substrate, the light source protruding toward a bottom of the bottom chassis; and a light guide plate disposed in the bottom chassis and transmitting light from the light source..
Samsung Display Co., Ltd.


08/04/16
20160223739 

Display apparatus


Disclosed herein is a display apparatus having a quantum dot sheet to change color by converting the wavelength of blue lights, a middle mold having a middle supporting unit to support a front edge unit of a light guide plate, and a supplement member coupled to the middle supporting unit and configured to reflect the light radiated from the a source to prevent the light that is radiated from the light source from exiting through the gap between the light guide plate and the middle supporting unit, and thus the generation of bright line may be minimized and heat radiation performance may be enhanced.. .
Samsung Electronics Co., Ltd.


08/04/16
20160223736 

Apparatus for display systems


Apparatus for use in display systems are disclosed. In certain implementations, a display apparatus includes a light guide plate for use in a liquid crystal display backlight system.
Dolby Laboratories Licensing Corporation


08/04/16
20160223734 

Front light module and display module


A front light module including a light guide plate and a light source is provided. The light guide plate includes a first surface, a second surface and a light entering surface.
E Ink Holdings Inc.


08/04/16
20160223733 

Display module of liquid crystal display and mobile terminal


The disclosure discloses a display component of a liquid crystal display (lcd), wherein the display component is assembled with a mainboard of a mobile terminal for use. The display component includes: a rubber frame, arranged on an lcd; an adhesion material, arranged in the rubber frame; a lamp strip of which two sides are provided with light emitting diode (led) lamps, a circuit for controlling the led lamps and a conductor for connecting the circuit with the mainboard of the mobile terminal being further arranged on the lamp strip; and a light guide plate, arranged between the led lamps in the rubber frame.
Zte Corporation


07/28/16
20160218238 

Information acquisition apparatus


An biological body information acquisition apparatus includes an imager including light emitting devices that are arranged in a plane and emit light toward a human body and light receiving devices that are arranged in a plane and receive light from the human body and a light guide plate that is layered on the imager on the side thereof facing the human body and has light transmissivity in the direction of a normal to the light receiving devices and the light emitting devices. The light guide has a first portion (holes) and a second portion (substrate) that are arranged in a plane and have refractive indices different from each other.
Seiko Epson Corporation


07/28/16
20160216438 

Planar lighting device


A planar lighting device includes: a plurality of point light sources; a circuit board provided with the point light sources; a light guide plate including an end surface along which the point light sources are disposed in a facing manner and a surface to which a portion of a front end of the circuit board is fixed; and a fixing member that fixes the circuit board to the light guide plate. The fixing member includes: a plurality of small-piece double-sided adhesive members; and a single-sided adhesive member that integrates the plurality of small-piece double-sided adhesive members..
Minebea Co., Ltd.


07/28/16
20160216433 

2d/3d switchable backlight unit and image display apparatus using the same


A two-dimensional (2d)/three-dimensional (3d) switchable backlight unit and an image display apparatus using the 2d/3d switchable backlight unit are provided. The 2d/3d switchable backlight unit includes: a light source unit; a first light guide plate, within which light from the light source unit is totally internally reflected; and a plurality of refraction patterns, each having a trapezoidal form.
Samsung Electronics Co., Ltd.


07/21/16
20160209581 

Backlight module and display device


A backlight module and a display device are provided. The backlight module comprises a light guide plate, a sealant frame enclosing edges of the light guide plate, and a light source disposed at an end of the light guide plate.
Boe Optical Science And Technology Co., Ltd.


07/21/16
20160209580 

Display device and television device


A display device includes a light source, a light guide plate, a chassis, a display panel, a flexible circuit board, a signal transmission circuit board, and a first heat dissipation member. The chassis includes a bottom plate that includes a light source supporting portion and a light guide plate supporting portion.
Sharp Kabushiki Kaisha


07/21/16
20160209579 

Display apparatus


Provided is a display apparatus including a display panel displaying an image, a light source generating light, a light guide plate receiving the light from the light source to guide the light to the display panel, and a heat dissipation member disposed adjacent to a side surface of the light guide plate, wherein the heat dissipation member includes an insertion part passing through the heat dissipation member to accommodate the light source and provide the light generated from the light source to the light guide plate.. .
Samsung Display Co., Ltd.


07/21/16
20160209578 

Display device and backlight unit included therein


A display device includes a light source to emit light, a light guide plate on which the light emitted from the light source is incident and which irradiates light through a first and a second surface of the light guide plate, a quantum dot sheet on which the light irradiated through the first surface of the light guide plate is incident and which irradiates blue light, green light and red light, a reflective sheet for reflecting the irradiated light to the light guide plate, and a light-converting material at an edge portion of the light guide plate, the quantum dot sheet and the reflective sheet, for converting the light into a yellow light, green light or red light. The light incident on the quantum dot sheet includes the light emitted from the light source and the yellow light, the green light or the red light..
Samsung Electronics Co., Ltd.


07/21/16
20160209573 

Light source device and display apparatus


A light source device including a light guide plate which has notches formed at edge parts thereof and emits light from one surface thereof, the light having entered a side face of the light guide plate, and a reflection sheet member which is disposed to face the light guide plate and has concave parts corresponding to the notches at edge parts thereof is disclosed. And the light source device is provided with edge part frame members on the edge part side of the one surface of the light guide plate at an interval in an emitting direction of light from the one surface, and the entirety of light amount at the edge parts of the light guide plate is increased by reflecting the light emitted from the edge parts of the one surface of the light guide plate to the one surface..
Sakai Display Products Corporation


07/14/16
20160202726 

Mobile terminal


A mobile terminal disclosed herein includes a window on one surface of a terminal body and configured to be curved, and a liquid crystal display (lcd) on a rear surface of the window to output visual information, and curved by external force. The liquid crystal display includes a liquid crystal panel to generate an image using light from a light guide plate, at least one prism sheet disposed between the light guide plate and the liquid crystal panel, and a supporting member accommodating the light guide plate and the prism sheet and supporting the liquid crystal panel.
Lg Electronics Inc.


07/14/16
20160202513 

Display device


A display device includes a display panel including a light source area and a display area and including a base substrate having an upper surface facing a first direction, a panel light source part disposed on the upper surface corresponding to the light source area to emit a light to a second direction opposite to the first direction, and a display part disposed on the upper surface corresponding to the display area and a light guide plate disposed adjacent to the display panel in the second direction, receiving the light, and guiding the light to provide the light to the display area, and the display part displays an image using the light received from the light guide plate.. .
Samsung Display Co., Ltd.


07/14/16
20160202512 

Transparent display apparatus


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


07/14/16
20160202411 

Lighting device and display apparatus


Provided are a lighting device having improved workability of a loading operation of an optical sheet in the lighting device whose error of members is large, and a display apparatus including the lighting device. A lighting device, which includes a light guide plate 11, an optical sheet 15 configured to diffuse or collect light emitted from the light guide plate 11, and a housing part 13 in which the light guide plate 11 and the optical sheet 15 are laminated and housed, includes a plurality of holding parts (optical sheet holding parts 134) which are provided in the housing part (a back housing part 13) to support the optical sheet 15 in the housing part, wherein the optical sheet 15 has a plurality of hole parts (through holes 151b) formed therein corresponding to the holding parts, in which the holding parts penetrate, and cross sections of the plurality of holding parts parallel to the optical sheet 15 have areas smaller than the cross-sectional areas of the hole parts, and a difference between the cross-sectional areas of the hole parts and the areas of the cross sections of the holding parts is not constant..
Sakai Display Products Corporation


07/14/16
20160202408 

Display module with optically functional film and manufacturing thereof


A display module with an optically functional film includes two polarizers, a display panel, an optically functional film, a lighting component, a light guide plate, and a reflector. The optically functional film includes a first transformation layer, a second transformation layer, a diffusion layer, a brightness enhancement layer, and a polarized layer, and each layer of the optically functional film is attached to each other by transfer-coating.
Rayshine Photonics Corp.


07/07/16
20160195673 

Display module and display apparatus having the same


A display module and a display apparatus having the display module are provided. The display module includes a light guide plate which turns a path of generated light and emits the light through an emitting surface, a quantum dot (qd) sheet provided to correspond to the emitting surface to improve color reproducibility of the light emitted from the light guide plate, and at least one guide member which is fixed inside of a chassis and supports the light guide plate and the qd sheet.
Samsung Electronics Co., Ltd.


07/07/16
20160195672 

Light source device and display apparatus


A light source device which includes a reflection sheet suspended by protrusions which penetrate plural places of an outer peripheral edge part of the reflection sheet, and a light guide plate disposed to face the reflection sheet is provided. And the light guide plate has notches formed at positions corresponding to the protrusions of an edge part corresponding to the outer peripheral edge part of the reflection sheet.
Sakai Display Products Corporation


07/07/16
20160195671 

Planar lighting device


A planar lighting device includes: a light guide plate; a plurality of light sources arranged in line along a longitudinal direction of a side end surface of the light guide plate, each of light sources including a pair of electrode terminals; and a mounting substrate on which the light sources are mounted, the mounting substrate including a conductive pattern including a plurality of pairs of lands to which the respective pairs of electrode terminals of the light sources are connected. The light sources are mounted such that, in a longitudinal direction of the light sources, a gap between an outer side of each of the pairs of electrode terminals and an outer side of corresponding one of the pairs of lands is smaller than a gap between an inner side of the pair of electrode terminals and an inner side of the corresponding pair of lands..
Minebea Co., Ltd.


07/07/16
20160195668 

Backlight source and display apparatus comprising the same


The present disclosure provides a backlight source and a display apparatus. The backlight source comprises: a light guide plate and an adhesive frame.
Boe Optical Science And Technology Co., Ltd.


07/07/16
20160195667 

Direct back-lit light guide structure, light guide plate and back-lit module


A direct back-lit light guide structure is applied to a light guide plate and a back-lit module. The light guide plate has a light-ejection surface and a light-inject surface opposite to the light-ejection surface.
Entire Technology Co., Ltd.


07/07/16
20160195665 

Backlight module and display device


Disclosed are a backlight module and a display device. The display device includes a liquid crystal panel.

07/07/16
20160195663 

Lighting systems & devices including same


A lighting system is disclosed. The lighting system comprises at least one light source comprising a light emitting diode (led) and one or more phosphors optically coupled to the led to convert at least a portion of original light emitted by the led to provide a modified led light having a first predetermined spectral output, and an optical material that is optically coupled to at least a portion of a surface of a light guide plate and optically coupled to receive at least a portion of the modified led light and to convert at least a portion of the modified led light to at least one predetermined wavelength to provide modified light having a second predetermined spectral output, wherein the optical material comprises one or more types of quantum confined semiconductor nanoparticle.
Qd Vision, Inc.


07/07/16
20160195257 

Wall-mount aroma diffusing night lamp assembly


A wall-mount aroma-diffusing night lamp assembly includes an electrical plug angularly adjustably connected to a housing, a heating element electrically connected to the electrical plug, a heat transfer member kept in contact with the heating element, a light-emitting device, a retaining device fastened to the housing, and a light guide plate detachably connected to the retaining device around a part of the periphery of the housing a uniform glowing effect during operation of the light-emitting device, and a disposable aroma capsule placed on the heat transfer member and heatable to release a pleasant smell.. .

06/30/16
20160187575 

Backlight module and display device


The disclosure is related to a backlight module and a display device. The backlight module comprises a light guide plate, a first light bar, a second light bar and a plurality of first blockers.

06/30/16
20160187572 

Optical unit and display apparatus


Provided is an optical unit which includes a light guide plate configured to emit light made incident thereon through a light incident side surface from one surface thereof, and a reflection sheet disposed to face the light guide plate, wherein the reflection sheet has a projection piece which protrudes with respect to a surface of the reflection sheet on one edge thereof. The projection piece is held with being in surface contact with any one side surface of the light guide plate, thereby the reflection sheet is held so as to face the light guide plate..

06/30/16
20160187569 

Liquid crystal display device and manufacturing lgp positioning block thereof


The present invention provides a liquid crystal display device and a method for manufacturing a light guide plate (lgp) positioning block thereof. The lgp positioning block (9) of the liquid crystal display device includes a positioning block body (91) and liquid (93) hermetically sealed in the positioning block body (91).

06/30/16
20160187567 

Backlight module and display device


A backlight module includes a mold frame, a light guide plate, a light bar light source, and an optic film. The light guide plate, the light source, and the optic film are disposed in the mold frame.

06/30/16
20160187565 

Light guide plate and manufacturing the same


A light guide plate and a method for manufacturing the same are disclosed. The light guide plate is injection-molded from an aromatic polycarbonate resin having a weight average molecular weight of about 10,000 g/mol to about 15,000 g/mol and an alkali metal content of about 40 ppb to about 100 ppb.

06/30/16
20160187563 

Display apparatus


A display apparatus includes a display panel displaying an image using light; a light source generating first light; a light conversion member converting the first light into the light; a case member accommodating the light source and the light conversion member and including an open part to transmit the light which is converted by the light conversion member; and a light guide plate receiving the light through the open part and guiding the light to a upward direction where the display panel is disposed.. .

06/30/16
20160187562 

Display device


Provided is a display device, which includes a light source, a light guide plate, a light conversion member, and a display panel. Light is incident to the light guide plate from the light source.

06/30/16
20160187561 

An ultrathin planar light source apparatus


The disclosure is related to an ultrathin planar light source apparatus, comprising a led light source and a light guide plate; the led light source comprises a light emitting chip which is disposed opposite to a light incident side of the light guide plate; a polarizer parallel to the light guide plate and disposed between the light emitting chip and the light guide plate; the polarizer projects the light emitted from the light emitting chip toward the light guide plate. The disclosure controls the light emitted from the led light source well to deflect within a certain range of angles such that the light completely enter into the light guide plate without increasing the thickness of the light guide plate..

06/30/16
20160187560 

Light source device and display apparatus


Provided are: a light source device capable of preventing light from a light source disposed to face an end surface of a light guide plate from leaking to a side in which the light guide plate emits the light without providing a new member; and a display apparatus including the light source device. A light source unit 2 is disposed to face an end surface of a light guide plate 3, and a heat spreader supporting the light source unit 2 has a shape of covering the light source unit 2.

06/30/16
20160187559 

Display device


A display device includes: a transparent light guide plate (1) and a light source (3) located at a side of the transparent light guide plate, the light source (3) is arranged to be inclined toward a side of the transparent light guide plate (1) away from its emitting surface (12). A side of the transparent light guide plate (1) facing the light source is an incident slant surface (11) having the same inclined angle as that of the light source (3).

06/30/16
20160187557 

Backlight module and liquid crystal display device


A backlight module and a liquid crystal display device, the backlight module comprises a back plate (101) and a fixing frame (102) firmly connected with the back plate (101), and further comprises a light guide plate (106); the fixing frame (102) is provided with a protrusion (111) extending towards an inner side of the backlight module, the light guide plate (106) extends into a region under the protrusion (111) of the fixing frame (102) and is pressed by the protrusion (111); the light guide plate (106) is provided with a lamp fixing hole (112) configured to fix a lamp. A liquid crystal display device comprising the backlight module is further disclosed..

06/30/16
20160185901 

Polycarbonate resin pellets and light guide plate produced using the same


Polycarbonate resin pellets are disclosed herein. The polycarbonate resin pellets are formed of a polycarbonate resin composition having a melt-flow index (mi) of about 15 g/10 min to about 40 g/10 min as measured at about 250° c.

06/30/16
20160185058 

Method and equipment for manufacturing light guide plate


In a backlight module, a diffusive structure and a prism structure are replaced by a diffusive prism film formed on a substrate and transferred via in-mold decoration by roller (imr) to a light guide body via injection molding. A reflection film is also transferred to an opposite side of the light guide body via the same way.

06/23/16
20160178938 

Method of promoting brightness uniformity of liquid crystal module


The present invention provides a method of promoting brightness uniformity of a liquid crystal module, comprising steps of: step 1, employing ccd to measure a transmittance distribution of a liquid crystal panel; step 2, calculating an ideal relative brightness distribution of a back light module according to the transmittance distribution of the liquid crystal panel; step 3, manufacturing and optimizing a light guide plate mesh dots structure of the back light module according to the ideal relative brightness distribution of the back light module.. .

06/23/16
20160178836 

Display device


A display device includes a display panel; a light source supplying light to the display panel; a lower frame on which the light source and the display panel are disposed; a light guide plate disposed between the lower frame and the display panel and dissipating light emitted from the light source toward the display panel; an optical sheet disposed between the light guide plate and the display panel; and an adhesive member having one surface attached to the display panel and the other surface attached to the optical sheet, wherein the adhesive member includes a base portion disposed between the optical sheet and the display panel; and a protrusion portion protruding on a surface of the base portion and disposed on a side surface of the optical sheet.. .

06/23/16
20160178830 

Display backlight with patterned backlight extraction ridges


A display may have a backlight unit with a row of light-emitting diodes that emit light into the edge of a light guide plate. The light guide plate may have opposing upper and lower surfaces.

06/23/16
20160178829 

One-sided emission type transparent light guide plate, and surface-emitting apparatus using this light guide plate


A light guide plate according to an embodiment includes an exit surface where light exits, a rear surface facing this exit surface, and an end face connecting the exit surface and the rear surface. The light guide plate is transparent when no light is entering from the end face.

06/16/16
20160170132 

Lighting device and display apparatus


A lighting device used as a backlight of a display apparatus includes multiple light guide plates, and a light source located near an entrance edge of each light guide plate to emit light. A gap is provided between the light guide plates, and the position of the entrance edge is fixed among the edges of the light guide plate.
Sakai Display Products Corporation


06/16/16
20160170130 

Backlight unit and liquid crystal display device including the same


Provided is a backlight unit in which a light blocking film is attached between a reflective sheet and a circuit board of a light source unit to shield a space between the reflective sheet and the circuit board, thus suppressing the reflective sheet from being stripped and minimizing light leakage. The backlight unit includes the light source unit, a light guide plate, the reflective sheet, and the light blocking film..
Lg Display Co., Ltd.


06/16/16
20160170128 

Light guide plate and the production thereof


Light guide plates, e.g. In backlight units (blus) or in light panels, have maximum uniformity of thickness and are composed of colourless transparent materials.

06/16/16
20160170127 

Display apparatus and manufacturing the same


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


06/16/16
20160170125 

Display device


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


06/16/16
20160170124 

Reflection sheet, light source device and display apparatus


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


06/16/16
20160170123 

Backlight unit and liquid crystal display device including the same


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


06/16/16
20160170122 

Backlight apparatus and display apparatus having the same


Disclosed herein are a backlight apparatus and a display apparatus having a light guide plate that includes light guide patterns in a waveform shape.. .
Samsung Electronics Co., Ltd.


06/09/16
20160161669 

Refrigerator with shelf lighting


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


06/09/16
20160161667 

Backlight unit and liquid crystal display device including the same


Disclosed is a backlight unit and lcd device having a fixing device attached to a bottom cover and a guide panel to prevent the guide panel from shifting and detaching from the bottom cover. The backlight unit comprises a bottom cover having a bottom portion including a first hole, and a side portion having a second hole; a light guide plate on the bottom portion of the bottom cover; at least one optical sheet on the light guide plate; a guide panel adjacent the guide plate and the optical sheet; and a fixing device.
Lg Display Co., Ltd.


06/09/16
20160161665 

Display device and backlight module


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


06/09/16
20160161664 

Display apparatus


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


06/09/16
20160161661 

Display device and backlight unit included therein


A display device includes a display panel, a backlight unit outputting light to the display panel, and an optical member refracting or reflecting the light output from the backlight unit and providing the display panel with the light. The backlight unit includes a light source emitting the light, a light guide plate scattering the light emitted from the light source and irradiating the scattered light to a front surface of the backlight unit, a reflective sheet reflecting the light, which is irradiated to a rear surface of the light guide plate, to the light guide plate, a quantum dot sheet for converting the light, which is irradiated to the front surface of the light guide plate, into a white light, and a light-converting material provided on an edge portion of the reflective sheet to convert the light into the white light..
Samsung Electronics Co., Ltd.


06/09/16
20160161660 

Display apparatus


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


06/09/16
20160161659 

Display apparatus


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


06/09/16
20160161658 

Backlight module and lcd device


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


06/02/16
20160154269 

Image display device


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


06/02/16
20160154174 

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


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


06/02/16
20160154172 

Lighting device and display device


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


06/02/16
20160154169 

Light guide plate, backlight module, and display device


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


06/02/16
20160154167 

Light guide plate and manufacturing method thereof


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


06/02/16
20160154163 

Backlight assembly and display device having the same


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


06/02/16
20160154162 

Quantum dot backlight module and display device


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


05/26/16
20160150640 

Planar illumination device


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


05/26/16
20160150221 

Display apparatus


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


05/26/16
20160147009 

Lamp device


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


05/26/16
20160147005 

Lighting device and liquid crystal display apparatus


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

05/26/16
20160147003 

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


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


05/26/16
20160146999 

Led device, light guide plate and backlight module


Embodiments of the present disclosure provide a led device, a light guide plate and a backlight module, which are capable of generating red light, green light and blue light under excitation of ultraviolet light, and reducing damages of human eyes due to blue light by attenuating or eliminating light intensity of the blue light having a wavelength of 460 nm. The led device comprises an ultraviolet illuminant and a quantum dot film located on a light emitting side of the ultraviolet illuminant.
Beijing Boe Optoelectronics Technology Co., Ltd.


05/19/16
20160139330 

Light source device and display apparatus


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


05/19/16
20160139329 

Light source device and display apparatus


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


05/19/16
20160139327 

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


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


05/19/16
20160139326 

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


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


05/19/16
20160139320 

Backlight unit


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


05/19/16
20160139319 

Backlight module and liquid crystal display device


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


05/19/16
20160139318 

Backlight module and display apparatus


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


05/19/16
20160139317 

Light emission module and light guide plate and manufacturing method thereof


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


05/12/16
20160131927 

Liquid crystal display device


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


05/12/16
20160131898 

Projection display apparatus


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


05/12/16
20160131831 

Illumination device, display device, and tv receiver


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


05/12/16
20160131830 

Chassis for display backlight


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


05/12/16
20160131829 

Backlight assembly and display device having the same


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


05/12/16
20160131828 

Illumination device, display device, and tv receiver


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


05/12/16
20160131826 

Lighting device, display device, and television device


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


05/12/16
20160131824 

Backlight module and liquid crystal display device


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


05/12/16
20160131822 

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


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


05/12/16
20160131821 

Illumination device, display device, and tv receiver


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


05/12/16
20160131820 

Display device


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


05/12/16
20160131818 

Lighting device for vacuum cleaner


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


05/12/16
20160131816 

Illumination device


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


05/12/16
20160131815 

Light guide plate and backlight module having the same


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


05/12/16
20160131814 

Light emitting module and display device


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




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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