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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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Multiple layer optics for light collecting and emitting apparatus
University Of Rochester
June 14, 2018 - N°20180166593

A light guide includes a light guide layer having a transversely oriented side-end surface that forms a primary output aperture (exit) for light traveling in a forward propagation direction out of the end surface of the light guide (for, e.g., cpv applications) and, which forms a primary input aperture (entrance) for light traveling in a rearward propagation direction into ...
Semiconductor optical modulation element
Nippon Telegraph And Telephone Corporation
June 14, 2018 - N°20180164654

To provide a mach-zehnder (mz) type semiconductor optical modulation element that can be used as a modulator, which is ultrafast and excellent in electrical stability. A semiconductor optical modulation element of a mach-zehnder type that performs modulation of light using a refractive index modulation region where a refractive index of the light guided to an optical waveguide is modulated and ...
Three-dimensional endoscope
Canon Usa Inc.
June 14, 2018 - N°20180164574

A three-dimensional (3d) endoscope is provided. The 3d endoscope comprises a probe; a positioning device to locate a tip of the probe at a first position o and a second position o′; a light guide extending through the probe and configured to guide a light propagating through the probe configured to project on a surface a first light beam ...
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Light Guide Patent Applications
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  • 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 source, backlight module and display device
Wuhan China Star Optoelectronics Technology Co., Ltd.
June 14, 2018 - N°20180164497

The present disclosure provides a backlight source and a backlight module at least including a plastic frame, a light guide plate and a backlight source, the backlight source is in the plastic frame and is arranged opposite to the incident surface of the light guide plate, the backlight source includes a circuit board and a plurality of light sources sequentially ...
Light guide with patterned ink
Lumileds Llc
June 14, 2018 - N°20180164495

A light-emitting device comprising: a light source; and a light guide that is optically coupled to the light source, the light guide including a plurality of first non-fluorescent light extraction elements and a plurality of second non-fluorescent light extraction elements that are printed on the light guide, each of the first light extraction elements having a reflectance that is higher ...
Cluster-shaped light-extracting element
Rambus Delaware Llc
June 14, 2018 - N°20180164493

A light guide includes a first major surface, second major surface, and light input edge extending between the major surfaces, the major surfaces configured to propagate light input to the light guide therebetween by total internal reflection. Light extracting elements are at at least one of the major surfaces, at least one of the light extracting elements embodied as a ...
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.
Led-based light fixture
Lumileds Llc
June 14, 2018 - N°20180164491

An illumination system is disclosed that is arranged to compensate for variations in brightness between different leds in the system. The system may include an array of leds coupled to a light guide that is provided with a plurality of light extraction patterns.
Dual surface collimator and 3d electronic display employing grating-based backlighting using same
Leia Inc.
June 14, 2018 - N°20180164490

Dual-direction collimation and a dual surface collimator provide dual-direction collimated light at a non-zero propagation angle. The dual surface collimator includes an entrance surface and a reflector surface each having a curved shape.
Dual-direction collimator
Leia Inc.
June 14, 2018 - N°20180164489

Dual-direction collimation and a dual-direction optical collimator provide dual-direction collimated light at a non-zero propagation angle. The dual-direction collimator includes a vertical collimator configured to collimate light in a vertical direction and a horizontal collimator configured to collimate the vertically collimated light in a horizontal direction.
Light guide plate, mold and manufacturing method thereof, backlight module and display device
Boe Technology Group Co., Ltd.
June 14, 2018 - N°20180164487

Provided in the embodiments of the present disclosure are a light guide plate and a mold and a manufacturing method thereof, a backlight module and a display device. The light guide plate guides the light emitted from a light source.
Planar illumination device and method of manufacturing planar illumination device
Minebea Mitsumi Inc.
June 14, 2018 - N°20180164484

A planar illumination device according to an embodiment includes a light guide plate, a light source, a substrate, and a fixing member. The light guide plate causes light incident on a side surface to exit from a light exit surface.
Radioactive contamination inspection apparatus
Mitsubishi Electric Plant Engineering Corporation
June 14, 2018 - N°20180164444

Provided is a radioactive contamination inspection apparatus including a plastic scintillator, a light receiving element, a light guide configured to allow scintillation light emitted from the plastic scintillator to reach the light receiving element, a light shielding housing including an incidence window, and a thin film layer structure provided between the incidence window provided in the light shielding housing and ...
Detection of fluid absorption spectrum
Imec Vzw
June 14, 2018 - N°20180164214

The present disclosure relates to a device for measuring an optical absorption property of a fluid as function of wavelength. The device comprises a broadband light source for emitting light, a plurality of integrated optical waveguides for guiding this light, and a light coupler for coupling the emitted light into the integrated optical waveguides such that the light coupled into ...
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.
Refrigerator
Lg Electronics Inc.
June 14, 2018 - N°20180164030

A refrigerator includes a cabinet, a door, and a transparent display assembly covering an opening of the door through which an inside of the refrigerator is visible. The transparent display assembly includes a front panel, a rear panel defining, a display disposed between the front and second panels, a light guide plate spaced apart from the display, a spacer disposed ...
Refrigerator
Lg Electronics Inc.
June 14, 2018 - N°20180164026

A refrigerator includes a cabinet defining a storage space, a door opening and closing the cabinet, and a transparent display assembly which covers an opening of the door and through which an inner space of the refrigerator is seen. The transparent display assembly includes a front panel defining at least a portion of a front surface of the door, a ...
Ring-shaped light-emitting heat-dissipating fan
Thermaltake Technology Co., Ltd.
June 14, 2018 - N°20180163960

A ring-shaped light-emitting heat-dissipating fan comprises a base having a ring-shaped frame and a pivot portion; a fan pivotally disposed at the pivot portion; a ring-shaped light guide having an upper top surface, a lower top surface, an inner lateral surface, and an outer lateral surface; a lid disposed on the ring-shaped frame, with the ring-shaped light guide disposed between ...
Light emitting panel assemblies with bottom-mounted light source and light guides therefor
Fluxwerx Illumination Inc.
June 14, 2018 - N°20180163946

A light emitting panel assembly is provided. The light emitting panel assembly includes: a housing; a light guide within the housing, the light guide having a first major surface with a plurality of extraction elements, a second major surface, a lower surface, an upper surface, a light source adjacent to the lower surface of the light guide; and an upper ...
Refrigerator
Lg Electronics Inc.
June 14, 2018 - N°20180160824

A refrigerator includes a cabinet, a door, the door, and a transparent display covering an opening of the door through which an inner space of the refrigerator is visible. The transparent display assembly includes a front panel, a rear panel, an outer spacer defining a circumferential surface of the transparent display assembly and a sealed space between the front panel ...
Back light apparatus, display apparatus having the back light apparatus, and control method for the ...
Samsung Electronics Co., Ltd.
June 07, 2018 - N°20180160107

A back light apparatus includes a plurality of light sources configured to generate light; and a light guide part, wherein the light guide part includes a light guide plate configured to change a path of the light; a first pattern part disposed on a first surface of the light guide plate and configured to emit the light in a first ...
Illumination device, image scanning apparatus, and image forming apparatus
Sharp Kabushiki Kaisha
June 07, 2018 - N°20180160003

An illumination device includes a light guide member having a bar-like shape and a light source disposed so as to face an end surface of the light guide member. The illumination device guides light from the light source in the light guide member and emits the light from a light emission surface of the light guide member formed in a ...
Side light-emitting type display device having frame member
June 07, 2018 - N°20180157119

Provided is a side light-emitting type display device having a frame member. The side light-emitting display device having a frame member includes a display assembly configured to guide light to a side surface of the display assembly while displaying an image using light emitted from light sources; a transparent frame member which is configured to surround and fix the display ...
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