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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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Apparatus for a near-eye display
Nokia Technologies Oy
February 15, 2018 - N°20180046859

An apparatus for providing gaze tracking in a near-eye display. Certain examples provide an apparatus including a light modulator configured to receive light of a first range of wavelengths and generate an image beam therefrom. The light modulator is further configured to receive light of a second range of wavelengths and generate a probe beam therefrom. The apparatus also includes ...
Lighting device, display device, and television device
Sharp Kabushiki Kaisha
February 15, 2018 - N°20180046031

A lighting device includes a light source, a light guide plate, a reflection member, a wavelength converting member, and a complementary color member. The light source is configured to emit primary light rays. The light guide plate includes a light entering surface, a light exiting surface, and an opposite surface disposed opposite from the light exiting surface. The reflection member ...
Backlight module and display device
Boe Technology Group Co., Ltd.
February 15, 2018 - N°20180046030

A backlight module includes a light guide plate; a first light source arranged along a first side of the light guide plate; a plurality of second light sources arranged along at least one of the two sides perpendicular to the first side, wherein the plurality of second light sources have different color temperatures, and values of the color temperatures of ...
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Light Guide Patent Applications
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Backlight module, methods of manufacturing the same, and display device
Boe Technology Group Co., Ltd.
February 15, 2018 - N°20180046023

A backlight module, and a manufacturing method thereof, and a display device are provided. The backlight module includes a backlight source, a light guide plate, at least one optical film, and a multilayer coating; the multilayer coating is provided at at least one side of the at least one optical film; the multilayer coating is configured for decreasing light transmittance ...
Stereoscopic display device
Omron Corporation
February 15, 2018 - N°20180045970

A stereoscopic display device includes an image display device to display, for each imaging point inside a space region, an image of an object to be projected to the space region at the relevant imaging point in a block corresponding to the relevant imaging point on a display region, a lens to direct light beams given out from the respective ...
Front light unit and image display device
Lg Innotek Co., Ltd.
February 15, 2018 - N°20180045902

A front light unit of an embodiment comprises: a light source unit for an image display device; a light guide unit for guiding light incident from the light source unit and outputting the guided light to a display unit; and a holographic optical element unit being opposite to the display unit and disposed on the light guide unit. Therefore, the ...
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.
Liquid crystal display module
Microsoft Technology Licensing, Llc
February 15, 2018 - N°20180045879

An lcd module comprises an lcd panel and a backlight unit. The lcd panel has a front face and n sides (where n>2). The backlight unit comprises a frame, a light guide and a reflector. The frame has a front face, a rear face, n sides and a central aperture and the lcd panel is attached to the ...
Lighting device and display device
Sharp Kabushiki Kaisha
February 15, 2018 - N°20180045878

A backlight device 12 includes a light guide plate 14, leds 17, and wiring portions 18c. The light guide plate 14 has a substantially circular outer shape and has fan-shaped areas sa defined by segment lines sl extending through a center c thereof. All the segment lines sl meet at the center c. The leds 17 include sets of leds 17 provided for the fan-shaped areas ...
Lighting device, display device, and television device
Sharp Kabushiki Kaisha
February 15, 2018 - N°20180045874

A lighting device includes a light source line, a light guide plate, and a wavelength converting member. The light source line includes an inner light source and outer light sources. The inner light source is disposed in the middle and configured to emit primary light rays in a predefined wavelength range. The outer light sources are disposed outer than the ...
Cooking appliance
Samsung Electronics Co., Ltd.
February 15, 2018 - N°20180045419

A cooking appliance includes a knob assembly to emit light to improve an aesthetic feel and user convenience. The cooking appliance includes a main body having at least one heating source, a panel disposed in the main body and provided with a through hole, and a knob assembly coupled to the panel. The knob assembly includes a knob, at least ...
Lighting device, display device, and television device
Sharp Kabushiki Kaisha
February 15, 2018 - N°20180045384

A lighting unite according to an embodiment includes a light source, a light guide plate, and a wavelength converting member. The light source is configured to emit primary light rays. The light guide plate includes a light entering surface through which the primary light rays enter, a light exiting surface through which the primary light rays exit, and a light ...
Vehicle light system
Ford Global Technologies, Llc
February 15, 2018 - N°20180043823

A vehicle light system is provided herein. The light system includes a trim member defining an aperture. A light guide is disposed within the aperture. The light guide has a proximal portion, a distal portion, and a body portion between the proximal and distal portions. The proximal portion includes a connector portion. A lens is integrally formed with the light ...
Vehicle light system
Ford Global Technologies, Llc
February 15, 2018 - N°20180043822

A light system for a vehicle is provided herein. The light system includes a trim member defining an aperture. A light guide is disposed within the aperture. The light guide has a proximal portion operably coupled with a light source. A lens is integrally formed with the light guide and is disposed at a distal portion of the light guide. ...
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.
Image capturing apparatus
February 08, 2018 - N°20180041672

The light beam passed through the light guide device is transmitted toward the transparent device and totally reflected by an interface between the transparent device and an environment medium.
Light guide body, light source device and image reading device
Mitsubishi Electric Corporation
February 08, 2018 - N°20180041661

A light guide body (2) includes a light guide main body (21), a band region (4), and radial microstructures (5). The light guide main body (21) is columnar, and light enters the light guide main body (21) from at least one end portion (3). The band region (4) is formed extending in the lengthwise direction of a portion of a circumferential surface of the light guide main body (21). ...
Keyboard
Topre Corporation
February 08, 2018 - N°20180040440

In a keyboard, a keybutton opposes an operation detection portion. A light source is provided on an outer side of the operation detection portion. A light guide member guides light from the light source to a keytop of the keybutton. The light guide member includes an incident portion opposing the light source, an emitting portion opposing the keytop, and a ...
Electronic device
Sony Interactive Entertainment Inc.
February 08, 2018 - N°20180040437

An electronic device includes a manipulating member extending in first directions and having a portion serving as a pressable portion which is pressed by a user, the manipulating member being elastically deformable such that the pressable portion is movable in second directions transverse to the first directions; a light source; and a light guide member configured to receive light from ...
Backlight unit provided with supporter of light source unit, manufacturing method of the supporter, and ...
Samsung Display Co., Ltd.
February 08, 2018 - N°20180039136

An exemplary embodiment provides a backlight unit including: a bottom chassis; a supporter positioned to extend along one edge of the bottom chassis; a light source unit fixed to the supporter; and a light guide plate that is positioned on the bottom chassis and is configured to transmit light emitted from a light source of the light source unit. The ...
Light emitting module and display device including the same
Samsung Display Co., Ltd.
February 08, 2018 - N°20180039108

A light emission module includes: a light guide including emission sides disposed facing each other, a first and second side connecting the emission sides, a third side connecting the first and second side; a light source unit including a first and second light source corresponding to the first and third side respectively, and a light source substrate supporting the first ...
Light guide plate, related display device, and related manufacturing method
Samsung Display Co., Ltd.
February 08, 2018 - N°20180039017

A light guide plate may include a substrate, a plurality of light blockers, a first light guide layer, and a second light guide layer. The light blockers may be positioned on the substrate and may include a first light blocker. The first light guide layer may be positioned on the substrate, may include base portions, and may include protrusions. The ...
Backlight module and display device
Young Lighting Technology Inc.
February 08, 2018 - N°20180039016

A backlight module includes first and second backlight units. The first backlight unit includes a first cover, a first light guide plate, a first light source and at least one first optical film. The first cover has a first surface and a second surface opposite to each other. The first light guide plate is disposed on the first surface. The ...
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