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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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Photoelectric conversion apparatus and image pickup system
Canon Kabushiki Kaisha
April 19, 2018 - N°20180109706

A photoelectric conversion apparatus includes a photoelectric conversion unit having a light incident surface and including: a first electrode; a second electrode disposed further toward the light incident surface; and a photoelectric conversion layer disposed between the first and second electrodes. The photoelectric conversion apparatus includes a member in contact with the photoelectric conversion layer and constituting a light guide ...
Image reading apparatus and image forming apparatus
Canon Kabushiki Kaisha
April 19, 2018 - N°20180109695

An image reading apparatus includes a light guide including a light guide portion configured to guide light emitted from a plurality of light sources, a deflection portion configured to deflect and emit light guided by the light guide portion, and a projection portion. The light guide portion includes a first surface and a second surface configured to internally reflect the ...
Optical sensor
Lite-on Technology Corporation
April 19, 2018 - N°20180108802

An optical sensor includes a substrate, light emitting units for emitting light with different wavelengths, and a photodetector. The substrate has at least one receiver for containing these light emitting units and a slot for containing the photodetector. A light guide structure of the optical sensor can be the receiver with a specific design, so that the light emitted by ...
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Light Guide Patent Applications
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Backlight module and assembly method thereof
Wuhan China Star Optoelectronics Technology Co., Ltd.
April 19, 2018 - N°20180107062

The present invention provides a backlight module and an assembly method thereof. The backlight module is structured such that a first double-sized adhesive tape (10) that adhesively bonds a light-source flexible circuit board (5) and a light guide plate (3) is extended in length thereof so that the first double-sized adhesive tape (10) adhesively bonds a diffuser plate (61), the light-source flexible circuit board (5), and ...
Illumination device and display device
Japan Display Inc.
April 19, 2018 - N°20180107029

According to one embodiment, an illumination device includes a first member, a second member, a first light source. The first member includes a first prism array including first prisms aligned in a first direction. The second member includes a second prism array including second prisms aligned in a second direction. The second member disposed more closely to a first a ...
3d display device and driving method thereof
Beijing Boe Optoelectronics Technology Co., Ltd.
April 19, 2018 - N°20180107011

A 3d display device and a driving method thereof are disclosed. The 3d display device includes a backlight module, a liquid crystal display (lcd) panel and a control module; the backlight module includes a light guide plate (lgp) and a plurality of light sources; light emitted by the plurality of light sources is at least partially incident into the lgp; ...
Light Guide Patent Pack
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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.
Mold-frame-free liquid crystal display device and assembly method thereof
Wuhan China Star Optoelectronics Technology Co., Ltd.
April 19, 2018 - N°20180106958

The present invention provides a mold-frame-free liquid crystal display device and an assembly method thereof, in which a lower surface of a liquid crystal display panel (2) is provided with a first double-sized adhesive tape (110) that circumferentially surrounds an effective display area (21) and an optical film assembly (15) is adhesively attached to the first double-sized adhesive tape (110) and a reflector plate (14) and ...
Backlight module and display device
Shenzhen China Star Optoelectronics Technology Co., Ltd.
April 19, 2018 - N°20180106957

The present invention provides a backlight module, including a plastic frame, a light guide plate, a reflective sheet, a backlight lamp and an optical film, wherein the light guide plate and the optical film are sequentially overlapped and disposed on the reflective sheet; the plastic frame surrounds the light guide plate and the optical film, and a peripheral edge of ...
Backlight module with membrane switch function
Chicony Power Technology Co., Ltd.
April 19, 2018 - N°20180106956

A backlight module includes a reflective film, a light guide plate located on the top side of the reflective film and defining a light incident area, a light-shielding film located on the light guide plate opposite to the reflective film, a membrane switch structure including a first circuit layer mounted on the reflective film and disposed between the light guide ...
Light-emitting device
Radiant Opto-electronics Corporation
April 19, 2018 - N°20180106953

A light-emitting device is provided, and includes a light guide plate and a light source. The light guide plate includes a main body, in which the main body has a light-incident surface. The light source is disposed adjacent to the light-incident surface. The light-emitting device is selectively disposed in different arrangements. When the light-emitting device is disposed in a first ...
Illumination device for direct-indirect illumination
Quarkstar Llc
April 19, 2018 - N°20180106952

An illumination device includes a plurality of light-emitting elements (lees); a light guide extending in a forward direction from a first end to a second end to receive at the first end light emitted by the lees and to guide the received light to the second end; an optical extractor optically coupled to the second end to receive the guided ...
Light source module
Young Lighting Technology Inc.
April 19, 2018 - N°20180106950

A light source module includes a light guide plate, a light source, a first prism sheet and a reflection sheet. The light guide plate includes a light exit surface, a bottom surface opposite to the light exit surface, and a light entrance surface connected to the light exit surface and the bottom surface. The light source is disposed beside the ...
Light source module
Chengfeng Optronics Corporation
April 19, 2018 - N°20180106948

A light source module including a light guide plate, a light source, and a quantum dot layer is provided. The light guide plate has a light emitting surface, a bottom surface, and a light incidence surface, wherein the bottom surface is opposite to the light emitting surface, and the light incidence surface connects the bottom surface and the light emitting ...
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.
Backlight module and display device
Shenzhen China Star Optoelectronics Technology Co., Ltd.
April 19, 2018 - N°20180106946

The present invention provides a backlight module. The backlight module includes a plastic frame, a backlight source and a light guide plate. The backlight source and the light guide plate are received in the plastic frame. The light guide plate includes a light incident surface and a light emitting surface. The backlight source includes a circuit board, a reflecting collimator ...
Light guide body comprising an injection-moulded mat and light channels
April 19, 2018 - N°20180106945

Disclosed is a light guide mat (1) for the production of a block- or cuboid-shaped light guide body (21), which mat is arranged in a casting mould and can be sealed in a pourable, curable casting compound (24), wherein the light guide mat (1) consists of longitudinal and transverse struts (2, 3) connected to one another in the form of a grid, which struts consist at ...
Lighting apparatus
Panasonic Intellectual Property Management Co., Ltd.
April 19, 2018 - N°20180106944

A lighting apparatus that wavelength-converts laser light guided by an optical fiber to output light having a different wavelength as the laser light, includes: a holder that holds the optical fiber; a wavelength converter that wavelength-converts the laser light emitted from the optical fiber; and a case that holds the wavelength converter and houses the holder. The holder includes a ...
Display device and manufacturing method thereof
Samsung Display Co., Ltd.
April 19, 2018 - N°20180106941

A display device includes a light source which generates light, a light guide member which guides the light, and a light collecting member disposed on the light guide member to collect the light provided from the light guide member. The light collecting member includes a plurality of central areas, a plurality of ring areas respectively surrounding the plurality of central ...
Display apparatus
Samsung Display Co., Ltd.
April 19, 2018 - N°20180106940

A display apparatus includes a light source which generates a first light, a display module which displays an image, a light guide plate disposed under the display module, and an optical filter disposed under the light guide plate to face the display module. The optical filter includes a filter layer which transmits a portion of the first light from the ...
Backlight module and the backlight module used in liquid crystal displays
Wuhan China Star Optoelectronics Technology Co., Ltd.
April 19, 2018 - N°20180106939

The present invention provides a backlight module used in liquid crystal displays. The backlight module includes a quantum dots film, a light guide plate and a light source module. A light is emitted from the light source module enter into the quantum dots film through the light guide plate. The quantum dots film comprises an active region and an inactive ...
Quantum dot backlight module
Wuhan China Star Optoelectronics Technology Co., Ltd.
April 19, 2018 - N°20180106938

The present invention provides a quantum dot backlight module, which includes a quantum dot film arranged on a side of the light guide plate that is distant from the light reflector board and an optical coating layer arranged on a side of the quantum dot film that is distant from the light guide plate, or alternatively includes a quantum dot ...
Laser car lamp
National Taiwan University Of Science And Technology
April 19, 2018 - N°20180106451

A laser car lamp includes a plurality of laser diodes, at least one light guide element, a phosphor element, and a lens. The light guide element has a laser light incident surface and a laser light exit surface. The phosphor element is located adjacent to the laser light exit surface of the light guide element, and the lens is located ...
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