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Light Guide Plate patents

      

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




 Backlight units and methods of making the same patent thumbnailBacklight units and methods of making the same
A backlight unit for a lcd can include a tft array substrate, a uv light source disposed at an edge or bottom of the tft array substrate, and a layer of transparent fluorescent films formed on the tft array substrate. The layer of transparent fluorescent films can include a plurality of red transparent fluorescent films, a plurality of green transparent fluorescent films, and a plurality of blue transparent fluorescent films.
Empire Technology Development Llc


 Surface frame for display module, display module and display device patent thumbnailSurface frame for display module, display module and display device
The present invention provides a surface frame for a display module, a display module and a display device. The surface frame comprises a first support portion for supporting an optical film and a light guide plate and arranged surrounding three edges of the optical film and the light guide plate; a second support portion for supporting a liquid crystal panel and arranged surrounding three edges of the liquid crystal panel; a side frame connected to a rear shell; and a connection portion for connecting the side frame to outer sides of the first support portion and the second support portion..
K-tronics(suzhou) Technology Co., Ltd.


 Laminating a quantum dot enhancement film to a light guide plate patent thumbnailLaminating a quantum dot enhancement film to a light guide plate
Methods, apparatus, systems and articles of manufacture are disclosed for providing a display device with a quantum dot enhancement film (qdef) laminated to a light guide plate. Examples involve a device with a qdef laminated to a light guide plate and/or laminating a qdef to a light guide plate of a device..
Hewlett-packrd Development Company, L.p.


 Light guide plate, backlight module and display device patent thumbnailLight guide plate, backlight module and display device
A light guide plate, a backlight module and a display device are provided. A first bottom surface of the light guide plate is provided with a first recess, and the first recess is configured to dispose a first optical film unit.
Beijing Boe Chatani Electronics Co., Ltd.


 Light guide plate and fabricating method thereof, backlight source, display device patent thumbnailLight guide plate and fabricating method thereof, backlight source, display device
A light guide plate, a fabricating method thereof, a backlight source, and a display device. The light guide plate comprises a light guide plate main body, with the surface of the light guide plate main body being provided with a blue coating.
Boe Optical Science And Technology Co., Ltd.


 Display device patent thumbnailDisplay device
A display device includes an image display device that includes an image display surface that emits light polarized in one direction and displays an image; and a superimposing display device that includes a transparent light guide plate that is provided overlapping the image display surface, transmits the light emitted from the image display device, and also has grooves constituting a pattern formed thereon, includes a light source that irradiates an end surface of the transparent light guide plate with light, and is switched between display and non-display of the pattern based on lighting and non-lighting of the light source. A polarization direction of the image display device and an extending direction of the grooves intersect at an angle range of 75° to 105°.
Yazaki Corporation


 Detection assembly, system and method patent thumbnailDetection assembly, system and method
An electron detector assembly configured for detecting electrons emitted from a sample irradiated by an electron beam, comprising a scintillator including a scintillator layer, the scintillator layer emitting light signals corresponding to impingement of electrons thereupon, a light guide plate coupled to the scintillator layer and comprising a peripheral surface, and a single or plurality of silicon photomultiplier devices positioned upon the peripheral surface and arranged perpendicularly or obliquely relative to the scintillating surface, the silicon photomultiplier device being configured to yield an electrical signal from an electron impinging upon the scintillator layer.. .
El-mul Technologies Ltd.


 Lighting assembly patent thumbnailLighting assembly
The light fixture includes a frame, an optically transmissive panel assembly, a set of light emitting diodes (leds), and driving circuitry. The frame has a frame length measured along a length axis and a frame width measured along a width axis, wherein the frame length is greater than the frame width.
Pixi Lighting, Inc.


 Light guide mechanism of fingerprint recognition plate patent thumbnailLight guide mechanism of fingerprint recognition plate
A light guide mechanism of a fingerprint recognition plate includes a frame, a light guide plate, first electrodes, second electrodes and light emitting diodes. The frame has a hollow portion and receiving troughs.
Concraft Holding Co., Ltd.


 A light guide plate for an electronic paper display, and the electronic paper display patent thumbnailA light guide plate for an electronic paper display, and the electronic paper display
The present invention provides a light guide plate (30) for an electronic paper display and the electronic paper display. The light guide plate (30) is arranged above a display surface of an electrophoretic display module (10), and it comprises a main body, wherein a tooth-shaped pattern is arranged on an in-light surface (33) of the main body.
Guangzhou Oed Technologies, Inc.


Liquid crystal display device

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

Glass plate for light guide plate

A glass plate for a light guide plate includes a first glass layer; a second glass layer facing the first glass layer; and a third glass layer that is an intermediate glass layer formed between the first glass layer and the second glass layer, wherein the glass plate is provided with a three layer structure in a plate thickness direction, and wherein the glass plate satisfies t1c/(t1b1+t1b2+t1c)<0.03 . .
Asahi Glass Company, Limited

Backlight unit and 3d image display apparatus

Provided are a lighting system, a backlight unit and a 3d image display apparatus including the backlight unit. The backlight unit includes: a lighting system configured to selectively output collimated light and diverging light, a diffraction device, and a light guide plate configured to guide the collimated light and the diverging light from the lighting system to the diffraction device.
Samsung Electronics Co., Ltd.

Display device

Provided is a display device including a display panel, a first backlight unit, and a second backlight unit. The first backlight unit provides first light beams to the display panel.
Samsung Display Co., Ltd.

Display device

A backlight module and a display panel. The backlight module comprises a light guide plate, a heat dissipation plate and a light source.
Boe Technology Group Co., Ltd.

Display device

A display device includes a first display panel including a display surface defined by first and second directions, a second display panel spaced apart from the first display panel in a third direction perpendicular to the display surface, and a backlight unit disposed between the first and second display panels to provide a light to the first and second display panels. The backlight unit includes a light emitting element, a first exit light guide plate, a second exit light guide plate spaced apart from the first exit light guide plate, a first light-division light guide member, and a second light-division light guide member..
Samsung Display Co., Ltd.

Light guide plate, backlight unit and display device

A light guide plate (02), a backlight unit (05) and a display device (09) are disclosed. The backlight unit (05) includes a light guide plate (02), a frame (051) and a lamp group.
Beijing Boe Chatani Electronics Co., Ltd.

Backlight unit using micro optical switch and 3d image display device

A backlight unit using a micro optical switch and a three-dimensional (3d) image display device are provided. The backlight unit includes a light source configured to irradiate light, a light guide plate configured to guide the irradiated light, an optical switch array including micro optical switches disposed above the light guide plate for each of cells of the backlight unit, and a lens array disposed above and corresponding to the optical switch array.
Samsung Electronics Co., Ltd.

Light guide plate and display device having the same

A light guide plate includes a light conversion portion which transmits a transmission incident light having a first wavelength, and converts a conversion incident light having the first wavelength to a converted light having a second wavelength; and a light guide portion which guides the transmission incident light and the converted light in a first direction. The light conversion portion includes a light incident surface which receives the transmission incident light and the conversion incident light, an inclined side surface inclined with respect to the light incident surface to form an inclined angle with the light incident surface, quantum dots which convert light having the first wavelength to light having the second wavelength and are distributed in a quantum area on the light incident surface and the inclined side surface, and a reflector adjacent to the inclined side surface in a second direction opposite to the first direction..
Samsung Display Co., Ltd.

Light bar for back light unit containing resistance modulated led strings

A light bar includes a plurality of first color light emitting leds including a first subset of first color light emitting leds and a second subset of first color light emitting leds, a plurality of second color light emitting leds, where the second color is different from the first color, and a plurality of third color light emitting leds, where the third color is different from the first and the second colors. The second subset of first color light emitting leds are electrically connected in series with a larger electrical load than the first subset of first color light emitting leds.
Glo Ab

Curved backlight unit and curved display apparatus including the same

A curved backlight unit is provided. The backlight unit includes a curved light guide plate having a curvature, a first light source configured to provide a first illumination light to a first surface of the curved light guide plate, an array of a plurality of different grating elements disposed on a second surface of the curved light guide plate and configured to allow the first illumination light to exit the curved light guide plate from the second surface, and a second light source configured to provide a second illumination light to a third surface facing the second surface of the curved light guide plate.
Samsung Electronics Co., Ltd.

Light guide plate and optical display with backlighting

A light guide plate for guiding of visible light for the backlighting of a liquid crystal display is provided. The light guide plate has two parallel lateral faces and at least one edge face, which serves preferably as a light input face.
Schott Ag

Light-emitting signboard

A light-emitting signboard includes a light guide plate having a light-emitting region on a front surface thereof and a plurality of light diffusing portions located in the light-emitting region and configured to refract and diffuse light, and a light source configured to emit light into the light guide plate through one peripheral edge thereof. The total surface area of the light diffusing portions is larger than or equal to one half of the surface area of the light-emitting region, and, the density of the light-emitting regions in the light diffusing portion at the area adjacent to the light source is smaller than the density of the light-emitting regions at the area far from the light source..
Ledyoung Technology Corporation

Backlight module and light guide plate thereof

A backlight module includes a light source unit for providing light, a light guide plate including a plate body having a light entrance surface and extending along an x-y plane and at least one opening in the plate body and extending along a z axis, and an optical layer on one side of the light guide plate. The light enters the light guide plate from the light entrance surface and travels substantially along the x-y plane.
Darfon Electronics Corp.

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

A light guide plate is disclosed. The light guide plate includes a light guide plate substrate including a light inlet surface and a light outlet surface, where a first groove is disposed on the light guide plate substrate, and is configured to accommodate a light emitting portion of a first light source, and a bottom surface of the first groove forms the light inlet surface.
Huawei Device Co., Ltd.

Light guide plate, backlight unit, display device and display control system

The disclosure provides a light guide plate, a backlight unit, a display device and a display control system. The light guide plate has a first operation state and a second operation state.
Hefei Xinsheng Optoelectronics Technology Co., Ltd .

Display device and backlight module thereof

Provided is a backlight module including a light guide plate having a horizontal light guide plate body and a first bent portion near a non-incidence side; and an optical assembly having a horizontal optical assembly body and a second bent portion near the non-incidence side, the optical assembly body is attached tightly to an upper surface of the light guide plate body, and the second bent portion is attached tightly to the first bent portion. Further provided is a display device having the backlight module.
Wuhan China Star Optoelectronics Technology Co., Ltd.

Display device and backlight module thereof

A backlight module having a light guide plate, an optical assembly disposed on an upper surface of the light guide plate, and a light shielding tape, the light guide plate includes a light guide plate body and a reinforcement member disposed at a non-incidence side end surface of the light guide plate body, and the light shielding tape is adhered to a portion of an upper surface of the optical assembly and extends to cover the reinforcement member. Further provided is a display device having the same..
Wuhan China Star Optoelectronics Technology Co., Ltd.

Liquid crystal display and display apparatus set having the same

Provided are a slimmer liquid crystal display (lcd) and a display apparatus set having the same. The lcd includes: a liquid crystal panel having sides; a light guide plate (lgp) which is overlapped by the liquid crystal panel; a container accommodating the lgp; a printed circuit board (pcb) which is disposed between the lgp and a sidewall of the container along one of the sides of the liquid crystal panel, and which is configured to provide an image signal to the liquid crystal panel; and a light source which is disposed between the lgp and a sidewall of the container along another one of the sides of the liquid crystal panel, and which is configured to provide light to the liquid crystal panel..
Samsung Display Co., Ltd.

Backlight module and display device

The present invention provides a backlight module, having a glue frame, a light guide plate, a first light source assembly and a second light source assembly, and the light guide plate, the first, the second light source assemblies are accommodated in the glue frame, and the first light source assembly has a light source, and the second light source assembly has a substrate, a plurality of laser light sources and a diffuser, and the laser light sources are aligned on the substrate, and the light guide plate has a first, a second incident surfaces, and the light source of the first light source assembly and the first incident surface are oppositely positioned, and the laser light sources and the second incident surface are oppositely positioned, and the diffuser is positioned between the laser light sources and the second incident surface with certain distances.. .
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Backlight unit and display apparatus

Disclosed herein are a backlight unit and a display apparatus. The backlight unit includes a light guide plate and a reflective polarizer.
Samsung Electronics Co., Ltd.

Light guide plate assembly and display apparatus

Embodiments of the present invention disclose a light guide plate assembly. The light guide plate assembly includes a light guide plate and an optical coupling member attached to the light guide plate.
Boe Technology Group Co., Ltd.

Display backlight with light mixing structures

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.
Apple Inc

Light guide plate and backlight module

A light guide plate and a backlight module are provided, the light guide plate has a wedge-shaped light incident portion and a conducting portion; the wedge-shaped light incident portion includes a light incident surface and a first light guide surface; the first light guide surface is disposed on an upper side of the light incident surface, having a scattering surface for scattering the incident light and a conducting surface for directional transmission of the incident light, the scattering surface is disposed on a bright light source area, and the conducting surface is disposed on a dark light source area.. .
Wuhan China Star Optoelectronics Technology Co., Ltd.

Display device and manufacturing the same

A display device includes a light guide plate, a light source unit adjacent to a side surface of the light guide plate and including a printed circuit board and a light source which is on the printed circuit board, and a connection member which connects the light guide plate to the light source unit. The light guide plate, the printed circuit board and the connection member together encapsulate the light source.
Samsung Display Co., Ltd.

Backlight module and display device

A backlight module and a display device including the backlight module are provided. The backlight module includes a rear plate and a light guide plate, the rear plate includes a side wall and an accommodating groove defined at least partially by the side wall; the light guide plate is located in the accommodating groove and a resilient part is provided between at least one lateral surface of the light guide plate and the side wall, opposite to the lateral surface, of the rear plate.
Beijing Boe Multimedia Technology Co., Ltd.

Backlight module and display apparatus

A backlight module is disclosed. The backlight module includes a reflection sheet including a first body and a second body; a light guide plate disposed on the first body of the reflection sheet; an optical film set disposed on the light guide plate; a plastic frame inside of which the reflection sheet, the light guide plate, and the optical film set are all disposed; and a connecting member configured to fixedly bond the second body to an inner side surface of the plastic frame.
Wuhan China Star Optoelectronics Technology Co., Ltd.

Light guide plat and backlight module having the same

A light guide plate includes a plate body and a wedge-shaped body extended upward along a terminal of the plate body. A top surface of the plate body is connected smoothly with an inclined surface of the wedge-shaped body.
Wuhan China Star Optoelectronics Technology Co., Ltd.

Position input device and touch panel

An ftir touch panel (100) includes a light guide plate (11) and a prism (14) joined to the light guide plate (11). The prism (14) includes a side surface (14a), which is a joining portion that is joined to the light guide plate (11), and a groove (141) in which a light source (12) is inserted.
Sharp Kabushiki Kaisha

Display apparatus

A display apparatus includes a display panel, a light guide plate disposed behind the display panel, a light source disposed to face at least one side surface of the light guide plate, and at least one guide member disposed between the at least one side surface of the light guide plate and the light source, and configured to support at least one of a front part of the at least one side surface of the light guide plate and a back part of the at least one side surface of the light guide plate.. .
Samsung Electronics Co., Ltd.

Quantum dot enhancement film, backlight module and display device

A backlight module includes a light source, a light guide plate, and a quantum dot enhancement film. The light guide plate has a light-incident side that faces toward the light source, a surrounding side that is connected to the light-incident side to constitute an outer periphery of the light guide plate, and a microstructure unit that is disposed adjacent to the surrounding side of the light guide plate.
Radiant Opto-electronics Corporation

Backlight module and display device including the same

A backlight module includes a light source, a light guide plate, and a quantum dot enhancement film. The light guide plate has a light-incident side that faces toward the light source, a surrounding side that is connected to the light-incident side to constitute an outer periphery of the light guide plate, and a microstructure unit that is disposed adjacent to the surrounding side of the light guide plate.
Radiant Opto-electronics Corporation

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

A light guide plate in accordance with various embodiments comprises: a body having a light incident part at a first side surface of the body; an upper optical pattern at a top side of the body; and a lower optical pattern at a bottom side of the body, wherein the lower optical pattern is an embossed pattern protruding from the bottom side of the body and having a trapezoid shape, wherein a first end of the trapezoid shape has a first width and a second end of the trapezoid shape has a second width, wherein the first end is closer to the light incident part than the second end, and wherein the first width is narrower than the second width.. .
Lg Display Co., Ltd.

Frame utilized in fingerprint recognition plate, manufacturing method thereof, and light guide mechanism with the frame

A frame utilized in a fingerprint recognition plate, a manufacturing method thereof, and a light guide mechanism with the frame including the frame with a hollow portion, light emitting diodes, and a light guide plate. The manufacturing method includes: forming a frame containing mixed materials having plastic materials and metallic materials in a manner of injection molding, forming patterns on the frame in a manner of laser engraving, and forming electric conductive portions in the patterns of the frame in a manner of electroplating or electroless plating.
Concraft Holding Co., Ltd.

Optical element and organic light-emitting device with optical element

An optical element includes a light guide plate with a first major surface and with a second major surface opposite the first major surface and with side faces connecting the first and second major surfaces, wherein the light guide plate includes a matrix material transparent to ultraviolet light in which scattering centers are embedded, at least one light-emitting semiconductor device that couples ultraviolet light into the light guide plate via a side face when in operation, a first filter layer on the first major surface and a second filter layer on the second major surface, wherein the filter layers opaque to ultraviolet light and at least partially transparent to visible light, and a first photochromic layer at least on the first major surface, between the light guide panel and the first filter layer, with a transparency to visible light by ultraviolet light.. .
Osram Oled Gmbh

Manufacturing light guide plate

A manufacturing method of a light guide plate. A transparent plate is provided, wherein a surface of the transparent plate has a plurality of first optical microstructures.
Young Lighting Technology Inc.

Display device

Disclosed is a display device. The display device includes: a light source; a light guide plate into which light is incident from the light source; a light conversion member on the light guide plate; and a display panel on the light conversion member, wherein a plurality of scattering parts having a diameter in a range of 90 μm to 300 μm are provided in the light guide plate..
Lg Innotek Co., Ltd.

Edge type backlight module and display device

Disclosed are an edge type backlight module and a display device. The edge type backlight module includes a light guide plate, a plurality of light sources, and dim area compensating units disposed between two adjacent light sources.
Le Shi Zhi Xin Electronic Technology (tianjin) Limited

Glass plate for light guide plate

A glass plate for a light guide plate includes a light emitting surface; and a light scattering surface that is opposite to the light emitting surface, wherein a refractive index distribution is provided between the light emitting surface and the light scattering surface in a plate thickness direction, and wherein a refractive index calculated from a measured value of reflectance of the light scattering surface is greater than a refractive index of an inner part of the glass plate measured by a v block method after each of the light emitting surface and the light scattering surface is polished and removed by 100 microns.. .
Asahi Glass Company, Limited

Surface light source device and prism sheet

A surface light source device 100 comprises light sources 10 and 20, a light guide plate 30, and a prism sheet 40. A plurality of ridges 41 are formed on the incident surface of the prism sheet 40.
Stanley Electric Co., Ltd.

Optical module and reflective display apparatus

The present disclosure provides an optical module and a reflective display apparatus that relate to the technical field of display and may improve the display effects in a dark environment to enhance the contrast of the display apparatus. The optical module includes a light guide plate, a light emitting unit arranged at a lateral side of the light guide plate, and an optical film and a scattering film stacked in sequence on the light guide plate, wherein the optical film is configured to reduce an incident angle of incident light and the scattering film is configured to scatter the incident light, the optical film being arranged between the light guide plate and the scattering film..
Boe Technology Group Co., Ltd.



Light Guide Plate topics:
  • Light Guide Plate
  • Light Guide
  • Liquid Crystal
  • Liquid Crystal Display
  • Display Panel
  • Control Unit
  • Terminal Equipment
  • Led Substrate
  • Partitioning
  • Prism Sheet
  • Irradiation


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    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.


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