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Light Guide

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


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Illumination apparatus and sensor unit
Canon Components, Inc.
October 12, 2017 - N°20170295290

Provided is an illumination apparatus that applies light to an original, the illumination apparatus including: a light source; and a rod-shaped light guide including: an incident surface that receives the light from the light source; a reflection surface provided with a diffusion portion that diffuses the light incident on the incident surface; and an emission surface that emits, to the ...
Illumination apparatus, sensor unit, and reading apparatus
Canon Components, Inc.
October 12, 2017 - N°20170295289

An illumination apparatus includes a light source and an elongated light guide, wherein the light guide includes an emission surface that emits light from the light source and a reflection surface that reflects the light to the emission surface, the reflection surface includes a plurality of diffusion portions that diffuse the light, the diffusion portions have a shape of part ...
Photoelectric conversion device, manufacturing method of photoelectric conversion device, and imaging system
Canon Kabushiki Kaisha
October 12, 2017 - N°20170294472

Provided is a photoelectric conversion device including: a semiconductor substrate having a photoelectric conversion unit; a first conductive layer formed over the semiconductor substrate; a first diffusion prevention layer formed over the first conductive layer; and a light guide that guides an incident light into the photoelectric conversion unit, in which the first diffusion prevention layer contains hydrogen atoms and ...
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Light Guide Patent Applications
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Optical element, image display device and method for manufacturing same
Seiko Epson Corporation
October 12, 2017 - N°20170293149

An optical element includes a light guide plate and a first light transmitting material disposed to be in contact with a first surface of the light guide plate. The light guide plate has a second surface opposite to the first surface. The light guide plate includes a first part and a second part made of a light transmissive material, and ...
Planar lighting device
Minebea Mitsumi Inc.
October 12, 2017 - N°20170293071

A planar lighting device according to an embodiment includes: a light guide that has flexibility and receives light from a side surface and emits the light from a light-emitting surface; a light source disposed close to the side surface and emits light that enters the side surface; a first frame having a curved shape and having an aperture; a second ...
Light guide plate, backlight module and wearable device
Beijing Boe Chatani Electronics Co., Ltd.
October 12, 2017 - N°20170293068

According the embodiments of the present disclosure, the light guide plate includes a light guide plate body having an upper surface as a light-exiting surface. The light guide plate is provided at a side portion at least one notch, and a light-reflection layer is arranged at a surface of each notch. A wedge-shaped structure is arranged on a lower surface ...
Light Guide Patent Pack
Download 830+ patent application PDFs
Light Guide Patent Applications
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For professional research & prior art discovery
inventor
  • 830+ full patent PDF documents of Light Guide-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.
Light guide for display light enhancement
Dell Products L.p.
October 12, 2017 - N°20170293064

A display in a portable information handling system may have a narrow or no border. A light guide for display light enhancement used to illuminate the display may be formed with concave indentations at a first face that receives light from a light source, such as a string of light emitting diodes. The concave indentations may improve the homogeneity of ...
Backlight module and liquid crystal display device
Beijing Boe Chatani Electronics Co., Ltd.
October 12, 2017 - N°20170293063

A backlight module, including a light guide plate and a flexible circuit board, wherein an edge of the light guide plate is provided with plural light source mounting holes disposed along a thickness direction of the light guide plate; a light source is mounted in every light source mounting hole in such a manner that a light emitting surface of ...
Light guide plate and light guide plate tooling apparatus
Global Lighting Technologies Inc.
October 12, 2017 - N°20170293061

A light guide plate for a large-size backlight module, and the light guide plate includes a light guide body and a glossy lens array. The light guide body includes a light incident surface for receiving light. The glossy lens array is formed on said light incident surface by thermal reforming a lateral terminal of said light guide body. Said glossy ...
Optical element, light guide plate, prism, backlight module and display device
Beijing Boe Display Technology Co., Ltd.
October 12, 2017 - N°20170293055

An optical element comprises a light transmitting substrate (100), the light transmitting substrate comprises a first surface, and the first surface is provided with a plurality of strip-shaped prisms (200) which are arranged parallel to each other along a predetermined direction and extend along another predetermined direction. In the direction along which the plurality of strip-shaped prisms are arranged, a side of ...
Lamp for lighting with an asymmetric light distribution
Artemide S.p.a.
October 12, 2017 - N°20170292675

A lamp for lighting with an asymmetric light distribution comprises a casing extending substantially along an axis, at least one light source housed in the casing, and a substantially flat light guide panel having a lateral edge, parallel to the axis and facing the light source, for receiving the light emitted by the light source; the light guide panel comprises ...
Vehicle taillight
Coplus Inc.
October 12, 2017 - N°20170292674

A vehicle tailight includes a housing seat and a light cover cooperatively defining an accommodation space, and a main light emitting device disposed in the accommodation space and including first and second light emitting members capable of emitting first and second color lights, respectively, a reflective plate, an isolation portion corresponding to the second light emitting members, and a light ...
Light source device
Olympus Corporation
October 12, 2017 - N°20170290498

A light source device includes a primary light source that emits primary light, a light guide that guides the primary light, an optical conversion unit that converts the primary light emitted from the light guide and having a first light distribution angle into secondary light having a second light distribution angle and emits the secondary light, and a light distribution ...
Light Guide Patent Pack
Download 830+ patent application PDFs
Light Guide Patent Applications
Download 830+ Light Guide-related PDFs
For professional research & prior art discovery
inventor
  • 830+ full patent PDF documents of Light Guide-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.
Endoscopy system
Inthesmart Inc.
October 05, 2017 - N°20170285323

The present disclosure relates to an endoscopy system. The endoscope system includes: a first light source unit which is installed on a substrate; a second light source unit which is installed on the substrate and which emits light when the first light source unit does not emit light; an optical unit through which the light of the first light source ...
Passive optical diode on semiconductor substrate
Purdue Research Foundation
October 05, 2017 - N°20170285262

A method of fabricating an optical device includes forming on a semiconductor substrate a first optical cavity, a second optical cavity, a first light guide and a second light guide. The first light guide has an input, and is optically coupled to the first optical cavity by a first coupling strength. In addition, the first light guide is optically coupled ...
Backlight device and display device equipped with the same
Japan Display Inc.
October 05, 2017 - N°20170285255

According to one embodiment, a backlight device includes a case, a light guide in the case, a first optical sheet on the light guide, a second optical sheet on the first optical sheet, a first adhesive provided between the case and at least one of the first optical sheet and the second optical sheet, to stick at least one of ...
Backlight apparatus and liquid crystal display device
Panasonic Liquid Crystal Display Co., Ltd.
October 05, 2017 - N°20170285253

A backlight apparatus is provided that may have: a backlight having a light guide plate; and a frame supporting the backlight and having a fitted portion. The light guide plate has a light guide main body, and a protruding portion extending outward from one of side edges of the light guide main body. The protruding portion is fitted into the ...
Backlight module and liquid crystal display
Wuhan China Star Optoelectronics Technology Co., Ltd.
October 05, 2017 - N°20170285252

A backlight module includes a light guide plate that includes a light incident surface including a first light incident section and a second light incident section, a light emission surface, and a first reflection surface defining a first acute angle with respect to the first reflection surface; a light bar, which includes first and second light sources respectively corresponding to ...
Light guide plate and method of producing the same
Beijing Boe Optoelectronics Technology Co., Ltd.
October 05, 2017 - N°20170285250

The present disclosure relates to a field of display technology and discloses a light guide plate and a method of producing the same. The light guide plate includes a body having a surface which forms an incident surface, an exit surface and a slope, wherein the incident surface is perpendicular to the exit surface, and the incident surface and the ...
Screen printing stencil, light guide plate, display device , and method for manufacturing light guide plate
Le Shi Zhi Xin Electronic Technology (tian Jin) Limited
October 05, 2017 - N°20170285249

Disclosed are a screen printing stencil, a light guide plate and a display device. The screen printing stencil includes a pattern printing section arranged corresponding to a light guide plate to be printed, and at least one positioning mark hole arranged on the periphery of the pattern printing section. The light guide plate is manufactured using the screen printing stencil ...
Display apparatus
Sakai Display Products Corporation
October 05, 2017 - N°20170285246

A display apparatus includes: a rectangular display panel, which includes a screen frontward thereof; an optical sheet having a rectangular shape, which is arranged rearward of the rectangular display panel; a light guide plate having a rectangular shape, which is arranged rearward of the optical sheet; a light source, which is arranged to face a side surface of the light ...
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