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Light Guide Plate

Light Guide Plate-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Backlight module, display apparatus and illumination apparatus
Hefei Boe Optoelectronics Technology Co., Ltd.
August 17, 2017 - N°20170235174

The present disclosure provides a backlight module, a display apparatus and an illumination apparatus. The backlight module includes: a light guide plate; a light emitting diode arranged above the light guide plate; an optical film layer arranged above the light emitting diode; a film of material with a polarization orientation arranged above the optical film layer; a liquid crystal cell ...
Integrated back light unit including non-uniform light guide unit
Glo Ab
August 17, 2017 - N°20170235039

An integrated back light unit can include a light guide plate having a non-uniform distribution of extraction features. The non-uniform distribution of the extraction features can be provided by an extraction-feature-free region in proximity to a light emitting device, and/or by a variable density of the extraction features that changes with distance from the light emitting device. Additionally or ...
Backlight module and its reflective layer
Shenzhen China Star Optoelectronics Technology Co. Ltd.
August 17, 2017 - N°20170235038

The present invention discloses a reflective layer, including a plurality of first medium membrane and a plurality of second medium membrane, wherein the plurality of first medium membrane and the plurality of second medium membrane are alternately stacked, and reflectivity of the first medium membrane is larger than the second medium membrane. The present invention also discloses a backlight module, ...
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Light Guide Plate Patent Applications
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Injection mold and device for preparation of light guide plate
Boe Optical Science And Technology Co., Ltd.
August 17, 2017 - N°20170232650

An injection mold and a device for preparation of a light guide plate are provided by embodiments of the present disclosure. An injection mold, comprising a male mold and a female mold which cooperate with each other to define collectively a molding cavity adapted for molding a sheet component therein; a blowing device is provided in the male mold and ...
Backlight unit, backlight module, backlight module and display device
Shenzhen China Star Optoelectronics Technology Co. Ltd.
August 10, 2017 - N°20170227817

A backlight unit comprises a main reflection sheet, a light guide plate arranged on reflection surface of the main reflection sheet, a light source and a deputy reflection sheet. A groove located at middle of the light output surface of the light guide plate. The deputy reflection sheet is arranged on the light output surface and covers the groove, and ...
Display device
Sony Corporation
August 10, 2017 - N°20170227806

A display device of the disclosure includes: a display panel; a decorative member that holds the display panel; and a light guide plate that has rigidity and includes an edge surface attached to the decorative member.
Light Guide Plate Patent Pack
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Light Guide Plate Patent Applications
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For professional research & prior art discovery
inventor
  • 410+ full patent PDF documents of Light Guide Plate-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Display device and illumination device
Sony Corporation
August 10, 2017 - N°20170227705

A display device includes a display panel and an illumination section that illuminates the display panel. The illumination section includes: a light guide plate having a first surface and a second surface facing each other; a light source facing an end surface of the light guide plate; an adhesive layer formed adjacent to the first surface of the light guide ...
Optical sensing module
Personal Genomics Taiwan, Inc.
August 10, 2017 - N°20170227465

An optical sensing module is configured to detect a characteristic of a sample. The optical sensing module includes a light source, a light guide plate, a first cladding layer, a light converging layer, a filter layer, and a plurality of sensors. The light source is configured to provide an exciting beam. Positions of the sensors correspond to positions of the ...
Display device having light guide plate with a curved surface
Wuhan China Star Optoelectronics Technology Co., Ltd.
August 10, 2017 - N°20170227188

The present invention provides a display device having a direct-lit type light guide plate with a curved surface, including a light guide plate with a curved surface. The curved surface of the light guide plate with a curved surface is formed by a plurality of strip-shaped sections connected in parallel with each other. A strip-shaped groove parallel and connected to ...
Display apparatus
Sakai Display Products Corporation
August 03, 2017 - N°20170219767

A display apparatus according to an embodiment of the present invention includes: a display panel to display an image on a front surface thereof; a light guide plate being configured such that an upper surface thereof faces a rear surface of the display panel; an optical sheet being located between the display panel and the light guide plate, and having ...
Backlight module and liquid crystal display
Wuhan China Star Optoelectronics Technology Co., Ltd.
August 03, 2017 - N°20170219765

The present invention provides a backlight module, comprising an optical film assembly, a light guide plate, a reflective sheet, and the optical film assembly comprises a first prismatic glass, and the first prismatic glass comprises a display region, two side walls, a junction region, and the display region and the reflective sheet are oppositely located, and the side wall is ...
Display apparatus
Samsung Electronics Co., Ltd.
August 03, 2017 - N°20170219758

According to a display apparatus according to an embodiment of the present invention, it is possible to prevent a quantum dot unit provided in a backlight assembly from being damaged by heat generated from a light source. The display apparatus according to an embodiment of the present invention includes a display panel that displays an image, a light source that ...
Polycarbonate resin composition and optical molded product comprising the same
Lg Chem, Ltd.
August 03, 2017 - N°20170218198

The present invention relates to a polycarbonate resin composition and an optical molded product comprising the same. The polycarbonate resin composition according to the present invention is excellent in transmittance and color uniformity which are required for a light guide plate, and also excellent in processability. Thus, it can be effectively used as a material of the light guide plate.
Light Guide Plate Patent Pack
Download 410+ patent application PDFs
Light Guide Plate Patent Applications
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For professional research & prior art discovery
inventor
  • 410+ full patent PDF documents of Light Guide Plate-related inventions.
  • Exact USPTO filing data with full-text, images, drawings & claims.
  • Index pages: Table View and Image-Grid View layouts. All images in each PDF.
Surface lighting assembly
Meitaku Industry Co., Ltd.
July 27, 2017 - N°20170212299

A surface lighting assembly emitting light from a surface by making light from a light source incident to an incident end surface of a light guide plate is provided. The surface lighting assembly has a laminated body overlapping a diffuser sheet and an opaque plate on a surface of the light guide plate, a frame member arranging along an end ...
Display device
Lg Electronics Inc.
July 27, 2017 - N°20170212293

A display device is disclosed. The display device includes a display panel, a light guide plate located in a rear of the display panel, a light assembly located on a side of the light guide plate and providing the light guide plate with light, and a light absorbing portion formed on a back surface or a front surface of the ...
Lighting device for coupling light from a light source into a light guide plate
Philips Lighting Holding B.v.
July 27, 2017 - N°20170212292

The present disclosure concerns a lighting device (100) comprising a light source (1) and a light guide plate (2). The light guide plate (2) is disposed at a distance (d1) from the emitter surface (1a) with an air gap (3) therebetween. A side reflector (4) surrounds the emitter surface (1a) of the light source and bounds the gap (3) between the emitter surface (1a) and the light ...
Reflective liquid-crystal display device and electronic apparatus
Japan Display Inc.
July 20, 2017 - N°20170205663

According to an aspect, a reflective liquid-crystal display device includes a liquid-crystal panel and a front light unit. The liquid-crystal panel includes a sheet-like anisotropic scattering member having low refractive index areas and high refractive index areas with a refractive index higher than that of the low refractive index areas. The front light unit includes a light guide plate laminated ...
Back light module and display device
Boe Technology Group Co., Ltd.
July 20, 2017 - N°20170205573

Disclosed are back light module and display device. The back light module comprises a light source, a back plate, a light guide plate and a positioning member. The back plate is formed with a frame for receiving the light guide plate; the light source is provided on an inside surface of a side panel of the back plate and oppositely ...
Backlight unit, display device, and method of manufacturing the display device
Samsung Display Co., Ltd.
July 20, 2017 - N°20170205571

A display device includes a curved display panel, a light source unit, a curved light guide plate, a support frame disposed under the light guide plate and including a curved upper surface, a first magnetic member disposed at at least one edge of the upper surface of the support frame, and a second magnetic member disposed at at least one ...
Display apparatus
Sakai Display Products Corporation
July 20, 2017 - N°20170205570

A display apparatus includes: a display panel displaying an image; a light guide plate facing the display panel. The display panel and the light guide plate are coupled by a coupling member disposed at a peripheral portion of the display apparatus, and an optical sheet being interposed in a void formed between the display panel and the light guide plate. ...
Display apparatus
Sakai Display Products Corporation
July 20, 2017 - N°20170205569

Provided is a display apparatus capable of preventing the warp and the optical leak of an optical sheet. The display apparatus includes: a display panel which displays an image; a light guide plate which faces the display panel and emits light towards the display panel; a spacer which forms a gap between the light guide plate and the display panel; ...
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