FreshPatents.com Logo
Enter keywords:  

Track companies' patents here: Public Companies RSS Feeds | RSS Feed Home Page
Popular terms

[SEARCH]

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

Follow us on Twitter
twitter icon@FreshPatents

Web & Computing
Cloud Computing
Ecommerce
Search patents
Smartphone patents
Social Media patents
Video patents
Website patents
Web Server
Android patents
Copyright patents
Database patents
Programming patents
Wearable Computing
Webcam patents

Web Companies
Apple patents
Google patents
Adobe patents
Ebay patents
Oracle patents
Yahoo patents

[SEARCH]

Light Guide Plate patents



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


Backlight module

Au Optronics

Backlight module

Backlight module

Nitto Jushi Kogyo

Liquid crystal display apparatus

Date/App# patent app List of recent Light Guide Plate-related patents
01/29/15
20150029755
 Light guide plate and  manufacturing same patent thumbnailnew patent Light guide plate and manufacturing same
A light guide plate includes a first transparent base layer, an adhesive layer and a transparent composite layer. The adhesive layer is configured for bonding the transparent composite layer on the first transparent base layer.
Hon Hai Precision Industry Co., Ltd.
01/29/15
20150029752
 Display device patent thumbnailnew patent Display device
A display device includes a light guide plate, at least one illuminating element, a side frame, and a display panel. The light guide plate includes a main body and at least one light-incident protrusion part.
Young Lighting Technology Inc.
01/29/15
20150029751
 Backlight unit and display device having the same patent thumbnailnew patent Backlight unit and display device having the same
A backlight unit includes a light source which generates light, a light guide plate which guides the light substantially in an upward direction, a first frame member which holds the light source and diffuses the light traveling substantially in the upward direction between the light source and the light guide plate, a second frame member which holds the light guide plate, a third frame member which holds the light guide plate, a reflective plate disposed under the light guide plate and which reflect the light leaked downwardly from the light guide plate substantially to the upward direction, and an optical sheet disposed on the light guide plate and the first to third frame members and which diffuses the light provided from the first frame member and the light guide plate and condenses the light substantially in the upward direction.. .
Samsung Display Co., Ltd.
01/29/15
20150029750
 Light guide plate and backlight module incorporating the same patent thumbnailnew patent Light guide plate and backlight module incorporating the same
A light guide plate includes a light incident face, a bottom face adjacent to the light incident face and a light exit face opposite to the bottom face. The micro lenses are formed on the light incident face in series to diffuse light incident thereon.
Hon Hai Precision Industry Co., Ltd.
01/29/15
20150029748
 Edge light-type backlight device and light diffusion member patent thumbnailnew patent Edge light-type backlight device and light diffusion member
This edge light-type backlight device comprises a light guide plate, a light source disposed at one end part of the light guide plate, a light diffusion sheet and a prism sheet on a light emission face of the light guide plate. The refractive index of the prism sheet exceeds 1.60, a peak of emitted light distribution of the light emission face in a plane parallel to the one end part of the light guide plate and orthogonal to the light emission face is within an angle ranges of 30°˜45° and −30°˜−45° with respect to a normal direction of the light emission face.
Kimoto Co., Ltd.
01/29/15
20150029747
 Backlight module patent thumbnailnew patent Backlight module
A backlight module includes a light guide plate, at least one light source, and a reflective plate. The light source is configured for emitting light toward the light guide plate.
Au Optronics Corporation
01/29/15
20150029745
 Light guide plate, surface source device and transmission-type display device patent thumbnailnew patent Light guide plate, surface source device and transmission-type display device
A light guide plate 13 has a number of back surface-side unit optical structures 131 arranged in a back surface 13d along a light guide direction. Each back surface-side unit optical structure 131 is tapered in a direction away from a light exit surface 13c, and has a first inclined surface 132 lying on the light entrance surface side, a second inclined surface (133) lying opposite the first inclined surface and which totally reflects at least part of incident light, and a top surface region 134 lying between the first inclined surface 132 and the second inclined surface 133, and located farthest from the light exit surface 13c.
Dai Nippon Printing Co., Ltd.
01/29/15
20150029443
 Backlight unit and liquid crystal display patent thumbnailnew patent Backlight unit and liquid crystal display
A backlight unit includes: a light guide plate; a light source facing an entrance surface of the light guide plate; an optical sheet member located toward an exit surface of the light guide plate; and a frame surrounding the optical sheet member, the light source, and the light guide plate to retain the optical sheet member, the light source, and the light guide plate. The optical sheet member includes a protrusion protruding toward the light source and fixed to the light guide plate..
Sharp Kabushiki Kaisha
01/29/15
20150029442
 Liquid crystal display apparatus patent thumbnailnew patent Liquid crystal display apparatus
A liquid crystal display apparatus includes a liquid crystal display panel including a liquid crystal cell between first second polarizing plates; and a surface light source device. The surface light source device includes a light source unit, a light guide plate for outputting first directivity light having directivity of maximum intensity in a first direction, which forms a predetermined angle from a normal direction of the light output surface in a plane approximately parallel to a light guiding direction of light, and having a high ratio of a polarized light component oscillating in the plane and a prism sheet being configured to convert the first directivity light into second directivity light directed in a second direction within a predetermined angle from the normal direction of the light output surface of the light guide plate while substantially maintaining a polarization state of the first directivity light..
Nitto Jushi Kogyo Co., Ltd.
01/29/15
20150029441
 Light unit for display and liquid crystal display including the same patent thumbnailnew patent Light unit for display and liquid crystal display including the same
A light unit for a display includes: a light guide plate, a plurality of light sources facing a side of the light guide plate and spaced apart from the light guide plate; and a buffering member between the light guide plate and the light source. The buffering member includes: spacing parts positioned respectively between adjacent light sources and contacting the light guide plate, and a blocking part connecting the plurality of spaced parts to each other and facing a side direction of each light source..
Samsung Display Co., Ltd.
01/29/15
20150029440
new patent

Backlight module and liquid crystal display


This invention relates to a backlight module and a liquid crystal display where the backlight module comprises a light guide plate, a substrate, a light source, a reflective element and a reflective sheet. The light guide plate and the reflective sheet are joined by a double coated film that is set up along the edge of a lower surface of the light guide plate.
Shenzhen China Star Optoelectronics Technology Co. Ltd.
01/22/15
20150025181

Polystyrene-based resin composition and light guide plate formed by molding same


Provided are: a polystyrene-based resin composition which has low water absorption, excellent suppression of warping or dimensional changes in a molded article, and excellent optical properties, and is suitable for producing a shaped light guide plate of excellent mold separation performance; and a light guide plate obtained by molding the polystyrene-based resin composition. This polystyrene-based resin composition contains 100 parts by mass of a styrene-based resin and 0.02 to 0.2 parts by mass of a phosphorus-based antioxidant, wherein the amount of 4-t-butylcatechol contained per 1 g of styrene-based resin is 1 to 6 μg..
Ps Japan Corporation
01/22/15
20150023059

Backlight module


The present invention provides a backlight module, which includes: a backplane (2), a light guide plate (4) arranged in the backplane (2), a backlight source (6) mounted on the backplane (2), and a heat dissipation film (220) mounted on the backplane (2). The heat dissipation film (220) is made of graphene and has a thickness of 0.01-0.05 mm.
Shenzhen China Star Optoelectronics Technology Co. Ltd.
01/22/15
20150023058

Backlight unit and display apparatus using the same


Disclosed are an illumination system and a display apparatus using the same. The illumination system includes a light guide plate; grooves disposed in the light guide plate, each of the grooves having at least one inclined surface; light source modules disposed within the grooves, wherein the light source modules comprise, substrates and light sources disposed on the substrates; and stoppers disposed between a first surface of each of the light sources and the at least one inclined surface of each of the grooves, the first surface of each of the light sources facing the at least one inclined surface.
Lg Innotek Co., Ltd.
01/22/15
20150023057

Display device


A display device includes a display panel, a light guide plate which is disposed under the display panel and includes a first side surface, a second side surface connected to one end of the first side surface, and a third side surface connected to the other end of the first side surface, a first light source disposed to face the first side surface and including a plurality of light emitting devices including a first light emitting device to emit a first color light and a second light emitting device to emit a second color light, and a first reflecting member disposed on the second side surface and having a complementary color to a color of the light emitted from a light emitting device, which is disposed closest to the one end of the first side surface, among the plurality of light emitting devices.. .
Samsung Display Co., Ltd.
01/22/15
20150023056

Backlight module and liquid crystal display


The present invention discloses a backlight module and a liquid crystal display. The light guide plate is formed with hollow structures therein, and the hollow structures includes a first reflecting surface and a second reflecting surface; the first reflecting surface has a first inclination; the second reflecting surface has a second inclination; based on the first inclination, the first reflecting surface reflects light emitting toward the first reflecting surface; and based on the second inclination, the second reflecting surface reflects light emitting toward the second reflecting surface..
Shenzhen China Star Optoelectronics Technology Co., Ltd.
01/22/15
20150023053

Backlight unit including color-compensating diffuser and display device including the same


A backlight unit includes a light source. A light guide plate receives light supplied from the light source at an incident light part of the light guide plate.
Samsung Display Co., Ltd.
01/22/15
20150022761

Light guide plate transfer molding method, light guide plate, and planar light source apparatus


A light guide plate transfer molding method for performing transfer molding of a light guide plate using a first mold and a second mold, includes performing, on a resin material, transfer molding of a first pattern and a second pattern that are provided on a transfer face of the first mold. The first pattern changes with a specific interval p serving as one period.
01/22/15
20150022760

Light guide assembly, backlight module and liquid crystal display


A light guide assembly, a backlight module and a liquid crystal display (lcd) are provided. The backlight module includes a back plate light guide plate, an adhesive member and a light source.
Radiant Opto-electronics Corporation
01/22/15
20150022759

Display with radioluminescent backlight unit


An electronic device is provided with a display such as a liquid crystal display mounted in an electronic device housing. The display may be provided with a backlight unit.
Apple Inc.
01/22/15
20150022758

Collimating light guide plate, diffusing unit, and display apparatus employing the same


A diffusing unit includes: a polarizing plate; and a diffusing layer integrally provided on a surface of the polarizing plate without an air layer therebetween. By using a display apparatus employing a collimating light guide plate and the diffusing unit, the optical performances such as resolution and viewing angle can be improved.
Samsung Display Co., Ltd.
01/22/15
20150022752

Liquid crystal display assembly and electronic device


The light guide plate of the backlight assembly is fixed at the top portion of the supporting frame, the liquid crystal display module is stacked up on the light guide plate and is disposed on the top portion of the supporting frame, wherein a circuit board is applicable to mount to the bottom portion of the supporting frame and electrically connects to the liquid crystal display module, and the circuit board faces a rear side of the backlight assembly opposite to the display surface. An electronic apparatus including the liquid crystal display assembly is also provided..
01/22/15
20150022746

Backlight device and image display apparatus using the same


A backlight device and an image display apparatus which are capable of controlling the degree of diffusion of emitted light are provided. The backlight device according to the present disclosure includes: a light source; a light guide plate that causes surface emission of light emitted from the light source; a directivity control film that is provided on a light-emitting side of the light guide plate, and causes the light emitted from the light guide plate to have directivity; and a liquid crystal diffusion element that is switchable between a first state in which the light emitted from the directivity control film is transmitted as it is, and a second state in which the light emitted from the directivity control film is diffused..
Panasonic Intellectual Property Management Co., Ltd.
01/15/15
20150016146

Illuminating device and liquid crystal display apparatus


An illuminating device includes light emitting elements extending in a lengthwise direction and a light guide plate having a first principal surface for emitting light from the light emitting elements and a second principal surface facing the first principal surface. The light guide plate has light guide regions corresponding to the light emitting elements.
Seiko Epson Corporation
01/15/15
20150016145

Display device


A backlight unit includes a light source having an emission region, a wiring board having the light source mounted thereon, a light guide plate having a side surface into which light from the light source enters, and a front surface from which the light exits, a light shielding adhesive tape adhering to the wiring board, and an optical sheet which overlaps with the front surface of the light guide plate. The front surface of the light guide plate includes an effective region serving as a planar light source and a light entering region ranging from the side surface to the effective region.
Japan Display Inc.
01/15/15
20150015798

Image display device and television reception device


A liquid crystal display device (10) is provided with the following: an led (17); a liquid crystal panel (11); a light guide plate (16) disposed so as to overlap the liquid crystal panel (11); an optical member (15) disposed between the liquid crystal panel (11) and the light guide plate (16); a holding member (hm) having a frame (13) and a chassis (14) for holding in a sandwiched manner the liquid crystal panel (11), the optical member (15) and the light guide plate (16); a first object of positioning determination unit (33) disposed at the edge of the light guide plate (16); a positioning determination unit (31) disposed on the frame (13) and for determining the position of the light guide plate (16) in a direction following the plate surface by causing uneven engagement of the light guide plate with respect to the first object of positioning determination unit (33); and a light-shielding sheet (35) for blocking direct incidence of light from the first object of positioning determination unit (33) on the liquid crystal panel (11) by covering at least a portion of a gap (c1) formed between the positioning determination unit (31) and the first object of positioning determination unit (33) and by being provided between the light guide plate (16) and the liquid crystal panel (11).. .
Sharp Kabushiki Kaisha
01/15/15
20150014135

Illuminated keyboard


An illuminated keyboard comprises a fixing sheet, a membrane switch circuit module, a supporting plate, a light guide plate, a sensing circuit, a sensing chip, a light-emitting element, and an illumination circuit board. The sensing circuit is formed on the fixing sheet or the membrane switch circuit module.
Primax Electronics Ltd.
01/08/15
20150010716

Sheetless backlight module, a light guide plate for the sheetless backlight and manufacturing method thereof


A sheetless backlight module and a light guide plate thereof are provided. The light guide plate includes a body and a plurality of light scattering units.
Au Optronics Corporation
01/08/15
20150009783

Illumination device, display apparatus, and timepiece


There is provided an illumination device including: a light guide plate in which a light diffusion pattern of diffusing incident light is formed to have density that is coarse on one side and gets denser toward the other side; a first light source which is provided on a side corresponding to the one side of the light diffusion pattern in the light guide plate; and a second light source which is provided on a side corresponding to the other side of the light diffusion pattern in the light guide plate.. .
Casio Computer Co., Ltd.
01/08/15
20150009712

Display device having improved illumination characteristics


A display device includes a display panel including a display area in which an image is displayed, and a light unit that includes: a light guide plate including a light receiving surface and a light emitting surface; a light source spaced apart from the light receiving surface while facing the light receiving surface and overlapping the display area; and a light diffusion member extending between the light receiving surface and the light source. The light diffusion member includes at least one of a first pattern formed on a surface of the light diffusion member facing the light emitting surface, and a second pattern formed on another surface of the light diffusion member, thereby implementing uniform brightness across the whole surface of the display panel..
Samsung Display Co., Ltd.
01/08/15
20150009711

Light guide plate with sharp-edged prisms and side-edge type surface-emission optical apparatus including the same


In a light guide plate having a light incident surface, a light distributing control surface perpendicular to the light incident surface and a light emitting surface opposing the light distributing control surface, a flat mirror-finish portion is provided on a first area of the light distributing control surface, and a prism sequence is provided on a second area of the light distributing control surface where the flat mirror-finish portion is not provided. The prism sequence is protruded with respect to the flat mirror-finish portion.
Stanley Electric Co., Ltd.
01/08/15
20150009710

Lighting device and flat panel display having the lighting device


Provided are a lighting device and a flat panel display having the lighting device, the lighting device, including: a support substrate; a circuit board on the support substrate; light emitting devices mounted on the circuit board; and a light guide plate having a protruding portion protruding to a remaining region except for a region in which the light emitting devices are disposed.. .
Lg Innotek Co., Ltd.
01/08/15
20150009709

Light guide plate and backlight unit


This invention relates to a light guide plate and a backlight unit, and more particularly, to a light guide plate and a backlight unit, wherein the light guide plate includes a light incident part to which light is incident from a light source located at a lateral side of the light guide plate and which is imparted with patterns, in which the patterns are formed such that a pattern-dense region and a pattern-sparse region are periodically repeated, and the pattern density between the pattern-dense region and the pattern-sparse region varies in a gradation, thus increasing luminance uniformity without affecting the luminance.. .
Kolon Industries, Inc.
01/08/15
20150009687

Structure for guiding light into guide light plate to conduct total internal reflection


A structure for guiding light into a light guide plate to conduct total internal reflection comprises a guide light plate and a prism; the prism is integrated with the guide light plate or joined to the guide light plate with an optical adhesive layer; the horizontal surface of the prism is parallel to the upper and lower surfaces of the guide light plate; the maximum angle between the horizontal surface and the slant surface of the prism is only 20 degrees to reduce the thickness of the prism greatly to meet requirements of lightness, thinness, shortness, and smallness for the electronic product; due to a special configuration of the prism and a special arrangement between the guide light plate and the prism, the most part of the light shot to the prism by the light source with any projecting angle is guided into the guide light plate to propagate the total internal reflection such that the light has an intensity capable of being sensed.. .
Era Optoelectronics Inc.
01/08/15
20150009686

Light mixing chamber for use with light guide plate


A light mixing chamber includes a housing having a channel formed therein, with the channel exposed to an exterior of the housing. A chamber is formed in the housing, and an aperture formed in the housing connects the chamber to the channel.
Qd Vision, Inc.
01/08/15
20150009419

Lighting device, display device, and television device


A backlight unit (lighting device) 12 includes a chassis 14, an led (light source) 17, a light guide plate (light guide member) 19, a duct member 22, and dissipative led attachment portion (dissipative light source attachment portion) 30. The chassis 14 includes a light exit portion 14c through which light exits.
Sharp Kabushiki Kaisha
01/01/15
20150003113

Light guide plate and manufacturing the same


This invention relates to a light guide plate, which includes tunnels into which a light source may be inserted in a backlight unit assembly thus reducing light loss, and to a method of manufacturing the same.. .
Kolon Industries, Inc.
01/01/15
20150003110

Lighting unit


Provided is a lighting unit, including: a support substrate; a light guide plate for guiding light generated from a light source; and a first stopper fixed to the support substrate and configured to support the light guide plate.. .
Lg Innotek Co., Ltd.
01/01/15
20150003109

Direct edge-lit backlighting module


A direct edge-lit backlighting module includes a plurality of first leds separated by a first interval from one anther on a substrate and emitting a light in a direction parallel to the substrate and corresponding to each first interval, and a plurality of second leds arranged in another direction opposite to the aforementioned direction and alternately arranged with the first leds and emit a light source, so as to form at least one light bar on the substrate. A light guide plate covers the leds for guiding emitted lights to uniformly distribute the intensity of light.
Unity Opto Technology Co., Ltd.
01/01/15
20150003105

Light guide plate and illumination apparatus


A light guide plate (30) includes an extracting light guide layer (40) having a pair of main surfaces (41a, 41b). The extracting light guide layer (40) includes a base portion (45) having a pair of main surfaces (46a, 46b), and a plurality of light diffusing portions (50) provided in the base portion.
Dai Nippon Printing Co., Ltd.
01/01/15
20150003104

Display device


A display device including a reflective display panel, a plurality of electrical or optical element layers, and at least one light-emitting element is provided. The electrical or optical element layers are stacked above the reflective display panel.
E Ink Holdings Inc.
01/01/15
20150003035

Display module


A display module is provided. A light source is configured to provide an illumination beam.
Himax Display, Inc.
01/01/15
20150002787

Photovoltaic mobile device


A photovoltaic mobile device includes a backlight module and a liquid crystal display panel. The backlight module includes a plurality of light sources, a photovoltaic substrate, and a light guide plate.
Hannstar Display Corporation
01/01/15
20150002786

Backlight module and liquid crystal display apparatus


The present invention provides a backlight module and a liquid crystal display apparatus. The backlight module comprises a light guide plate; a base disposed at one side of the light guide plate; a light source disposed on the base; and a reflective element configured to reflect light rays which are emitted from the light source to a light-incident surface of the light guide plate, wherein the reflective element includes a reflective curved surface and a first reflective plane connected thereto.
Shenzhen China Star Optoelectronics Technology Co., Ltd.
01/01/15
20150002783

Transparent liquid crystal display device


A transparent liquid crystal display device includes a liquid crystal display panel displaying an image in an image display mode and transparently implementing in a transparent mode; a backlight unit including a light guide plate disposed on a rear surface of the liquid crystal display panel and a light source array disposed at one side of the light guide plate; a light source driving unit supplying a driving current to the light sources; a cover bottom enclosing an edge of the side and rear surfaces of the backlight unit; and an illumination sensor measuring illumination of an external light incident to the rear surface of the cover bottom.. .
Lg Display Co., Ltd.
01/01/15
20150002782

Backlight unit and display apparatus having the same


A backlight unit includes a light source which emits light, a light guide plate which receives the light through an incident surface thereof and guides the light, and a back cover which accommodates the light source and is coupled to the light guide plate such which the incident surface is disposed in an inner space thereof, where an air guide area is defined between the light source and the light guide plate in the inner space, and the back cover includes an inclined surface inclined to the incident surface of the light guide plate in the air guide area.. .
Samsung Display Co., Ltd.
01/01/15
20150002771

Liquid crystal display device


A back light unit includes a light guide plate having at least one light introducing portion and a light exit portion, the front surface of the light exit portion being a light exit surface, and a light source facing the light guide plate and emitting light in a light emitting direction. The at least one light introducing portion includes a first portion and a second portion which is connected to the light exit portion, and in which the second portion spreads wider than the first portion in plan view..
Panasonic Liquid Crystal Display Co., Ltd.
01/01/15
20150002555

Display apparatus and assembly method thereof field of the invention


A display apparatus includes a display module and a backlight module. The display module includes a substrate and a display panel.
Au Optronics Corp.
12/25/14
20140376264

Light guide plate, manufacturing same, and backlight module having same


A light guide plate includes a main body including a light emitting surface. A number of glues, each with a different, and lower, refractive index when cured, are applied through a covering plate onto the light emitting surface.
Hon Hai Precision Industry Co., Ltd.
12/25/14
20140376261

Back light module


A back light module includes a light guide plate, at least one first light source, at least one second light source and at least one first reflection element. The light guide plate includes a first light incident surface, a second light incident surface opposite to the first light incident surface, a light emitting surface, and a bottom surface opposite to the light emitting surface.
Young Lighting Technology Inc.
12/25/14
20140376258

Planar light source


A planar light source including a light guide plate (lgp) and a light source device is provided. The lgp includes a plate portion and at least one prism portion.
Young Lighting Technology Inc.
12/25/14
20140376256

Light source module


A light source module includes a light guide plate, at least one light emitting element, a circuit board, and a heat conductive structure. The light guide plate has a light incident surface and a bottom surface adjacent to each other.
Young Lighting Technology Inc.
12/25/14
20140375900

Display device and television device


A liquid crystal display device 10 includes an led 17, a liquid crystal panel 11, a light guide plate 16, a chassis 14, a frame 13, a board attachment member 19, an led board 18, and a holding member 31, 32. The chassis 14 is arranged on an opposite side of the light guide plate 16 from the liquid crystal panel 11.
Sharp Kabushiki Kaisha
12/25/14
20140375897

Lighting device, display device and television device


A backlight 12 includes a first led board 18a, a second led board 18b 18b, a light guide plate 19, a first led drive circuit 26a, a second led drive circuit 26b, and light reflection portions 28. The second led board 18b is arranged in a high temperature area in which a temperature tends to become higher.
Sharp Kabushiki Kaisha
12/25/14
20140375891

Display device, and television receiver device


A display device 10 includes: light sources 17; a light guide plate 16 having a light-receiving face 16c and a light-exiting surface 16a, and a display panel 11 having a display surface 11a where light that exits the light-exiting surface 16a is used for image display; a driving substrate 113 having a mounting surface 113a on which the light sources 17 are mounted; flexible wiring substrates 111 that electrically connect the display panel 11 to the driving substrate 113; a chassis 14 having an extending edge 141 that extends beyond the light-receiving face 16c and that is arranged to face a surface 16b opposite to the light-exiting surface 16a; and a light source positioning member 18 that is detachably mounted on the chassis 14 and that is adhered to the driving substrate 113 such that the light sources 17 face the light-receiving face 16c with a gap therebetween.. .
Sharp Kabushiki Kaisha
12/25/14
20140375707

Light source module, display driving light soruce module


A light source module adapted to provide a first illumination beam to a display apparatus is provided. The display apparatus includes a display panel for displaying a 2d/3d image.
Young Lighting Technology Inc.
12/25/14
20140374232

Touch switch device with illuminator


A touch switch device with an illuminator for detecting a close approach or contact of a human body to an operation surface includes: a wiring board having a light-emitting device and a detection electrode on a one surface side; a light guide plate located on the one surface side of the wiring board to emit light from the light-emitting device to the outside from the operation surface opposite the wiring board; and a detector connected with the detection electrode to detect change in electrostatic capacity to be generated at the detection electrode when a human body closely approaches or contacts the operation surface to produce a detection signal corresponding to the detected condition. An operation part is displayable on a surface of the light guide plate to serve as the operation surface, and the operation part is positioned corresponding to a position of the detection electrode..
Toyota Boshoku Kabushiki Kaisha
12/18/14
20140369069

Optical module and lamp


A lamp includes a frame, a light guide plate, a light source and a reflecting structure. The light guide plate is disposed on the frame and includes a light-incident surface, a first light-emitting surface and a second light-emitting surface.
Radiant Opto-electronics Corporation
12/18/14
20140369068

Light guide plate, display unit including the light guide plate, traffic sign including the display unit, and manufacturing the light guide plate and manufacturing the traffic sign


Even though no light source is provided in the vicinity of each curved apex of a main face, the brightness difference depending on the location on the main face is reduced, and a light guide plate that contributes to electric power saving can be provided. A display and a traffic sign including the display that can keep a small brightness difference depending on the location on the main face, and reduce the power consumption.
S.k.g. Co., Ltd.
12/18/14
20140369067

Backlight module


A background module includes a light-emitting element, a light guide plate, and a light shielding structure. The light guide plate includes a reflective material layer.
Primax Electronics Ltd.
12/18/14
20140369028

Backlight unit and display apparatus including the same


This disclosure provides a backlight unit and a display apparatus including the backlight unit. The display apparatus includes a display panel and a backlight unit which has a light guide plate and a light source module neighboring the light guide plate.
Innolux Corporation
12/18/14
20140369021

Luminous keyboard device


A luminous keyboard device includes plural keys, a supporting plate, a light-emitting element, and a light guide plate. The supporting plate has a supporting plate opening, and the supporting plate opening has a light-guiding slant surface.
Primax Electronics Ltd.
12/18/14
20140369020

Luminous keyboard device


A luminous keyboard device includes plural keys, a supporting plate, a light-emitting element, a membrane switch circuit module, and a light guide plate. The light guide plate is thicker than the light guide plate.
Primax Electronics Ltd.
12/18/14
20140368907

Light source device and steroscopic display apparatus


A light guide plate is described that includes a plurality of reflection areas and a plurality of scattering areas arranged to provide light to a display panel to display images with parallax. A display apparatus is described that can include a light guide plate comprising a plurality of scattering areas and a plurality of reflection areas arranged to form a parallax barrier, and a display panel that displays an image based on light received from the light guide plate.
Sony Corporation
12/18/14
20140368767

Surface light emitting device and liquid crystal display apparatus


Provided are a surface light emitting device and a liquid crystal display apparatus equipped with the surface light emitting device. The surface light emitting device includes: a light guide plate including a side surface where light enters, a principal surface where the light goes out and a rear surface opposite to the principal surface; and a reflection sheet arranged on the rear surface of the light guide plate; a substrate arranged with facing the side surface of the light guide plate.
Nlt Technologies, Ltd.
12/18/14
20140367238

Luminous keyboard device


A luminous keyboard device includes a keypad module, a supporting plate, a light-mixing type light-emitting element, a first light guide plate, and a second light guide plate. The supporting plate has a partition part.
Primax Electronics Ltd.
12/11/14
20140363533

Manufacturing device for a light guide plate


A manufacturing device includes a feeder, a first pressing roller, a second pressing roller, a third pressing roller, a transmission assembly, and a driving assembly. The first pressing roller and the second pressing roller cooperatively press a hot melt adhesive from the feeder to obtain a preprocessed light guide plate.
12/11/14
20140362604

Backlight unit and liquid crystal display device


In order to suppress uneven brilliance of emitted planar light and enhance a rate of light utilization, the present invention provides a backlight unit (1) including: a light guide plate (2) receiving from a light source (31) from a light receiving surface (22) on a side surface and emitting planar light from a light emitting surface on a front surface; and a front side pressing member (5) having a light guide plate pressing portion (52) to press a peripheral portion on the front surface of the light guide plate (2); wherein an attached shape (211) in a concave and convex pattern shape is formed in the light emitting surface (21), and the light guide plate pressing portion (52) is provided with an engagement portion (521) provided with a concave and convex pattern that is engageable with a attached shape (211).. .
12/11/14
20140362601

Laser backlight plate


A laser backlight plate includes a laser source, a light guide plate, least one reflective layer, and at least one light divergent structure. The laser source is configured for providing a laser beam.
12/11/14
20140362328

Electronic device


An electronic device includes: a backlight holding case 8 accommodating a light guide plate 7; a design frame 3 which includes a flange part 3a protruding inward from a peripheral edge of a frame opening, and a design panel part 3b protruding outward therefrom, and which is attached to an opening of a backlight holding case 8 to sandwich the plate 7 between the flange part 3a and backlight holding case 8; a protective-plate-attached liquid crystal display panel 2 in which a protective plate 2a is mounted on a display surface, and which the outer peripheral part of the protective plate 2a is fixed to the panel part 3b, and the back side is illuminated with light from the light source guided by the plate 7; and a rear side case 4 assembled to the design frame 3 fixed by the panel 2 through the panel part 3b.. .
12/11/14
20140362327

Liquid crystal display device


A backlight unit for a liquid crystal display device includes a light source element, a light guide plate for guiding the output light from the light source element, and a frame for housing the light guide plate. The light source element is mounted on a flexible wiring substrate fixed to the liquid crystal display panel at one end thereof, together with an electronic component.
12/11/14
20140362301

Display device and television device


A liquid crystal display device 10 includes an led 17, a liquid crystal panel 11, a gate flexible boards 28 connected to an end portion of the liquid crystal panel 11, a light guide plate 16 arranged so as to overlap the liquid crystal panel 11, an optical member 15 arranged between the liquid crystal panel 11 and the light guide plate 16, a holding member hm including a frame 13 and a chassis 14 that hold the liquid crystal panel 11, the optical member 15, and the light guide plate 16, a light blocking portion 23a including a gate flexible board insertion recess 29, and a light restriction portion 30 provided to the optical member 15 and arranged in the gate flexible board insertion recess 29. The light blocking portion 23a blocks light on the outer side thereof from directly entering the end portion of the liquid crystal panel 11.


Popular terms: [SEARCH]

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

Follow us on Twitter
twitter icon@FreshPatents

###

This listing is a sample listing of patent applications related to Light Guide Plate for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Light Guide Plate with additional patents listed. Browse our RSS directory or Search for other possible listings.
     SHARE
  
         





0.4392

3813

458900 - 0 - 72