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Refraction

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


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Microled with integrated controllable beam steering and/or shaping
Abl Ip Holding Llc
January 11, 2018 - N°20180011310

The disclosed examples relate to various implementations of a micro-light emitting diode upon which is built a controllable variable optic to provide a chip-scale light emitting device. An example of the controllable variable optic described herein is a controllable electrowetting structure having a leak-proof sealed cell with a first fluid having a first index of refraction and a second fluid ...
Temperature responsive optical limiter, composition and device
Kilolambda Technologies Ltd
January 04, 2018 - N°20180004018

The present invention relates to optical power-limiting devices, and more particularly, to an optical power-limiting passive (self-adaptive) device and to a method for limiting solar power transmission in devices such as windows, using scattering level changes in a novel thermotropic composition that contains salt nano or microparticles embedded in a solid transparent host layer, where temperature change induces change in ...
Display device with total internal reflection
Tesseland Llc
January 04, 2018 - N°20180003862

A display device has a display to generate a real image. An optical system has lenslets, each generating a virtual sub-image from a respective partial real image on the display, by each lenslet projecting light from the display to an eye position. The sub-images combine to form a virtual image viewable from the eye position. At least one of the ...
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Refraction Patent Applications
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  • 151+ full patent PDF documents of Refraction-related inventions.
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Improved integration rod assemblies for image projectors
Dolby Laboratories Licensing Corporation
December 28, 2017 - N°20170371168

Integrating rod modules are disclosed comprising a plurality of single and/or solid integrating rods that are mated together by straps. Such modules tend to comprise a greater length than the single and/or solid integrating rods and provide good illumination to a modulator that light from a light source is transmitted through the integrating rod module. The straps may ...
Display backlights with reduced mixing distances
Apple Inc.
December 28, 2017 - N°20170371086

A display may have a backlight with a row of light-emitting diodes that emit light into an edge surface of a light guide layer. The light guide layer may have opposing planar surfaces. Light-scattering structures such as light-scattering holes that extend between the planar surfaces may be used to scatter rays of light by refraction and/or diffraction and can ...
Led bar lighting with uniform illumination
Self Electronics Usa Corp.
December 28, 2017 - N°20170370538

An led bar lighting with uniform illumination includes at least two led chips, and a bar lens. Each of at least two led chips includes an optical axis. The bar lens includes an in-light surface profile line and an out-light surface profile line in a cross section perpendicular to the axial direction of the bar lens. The in-light surface profile ...
Refraction Patent Pack
Download 151+ patent application PDFs
Refraction Patent Applications
Download 151+ Refraction-related PDFs
For professional research & prior art discovery
inventor
  • 151+ full patent PDF documents of Refraction-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 with high thermal conductivity particles in phosphor conversion layer
Lumileds Llc
December 21, 2017 - N°20170365747

In one embodiment, a solid cylindrical tablet is pre-formed for a reflective cup containing an led die, such as a blue led die. The tablet comprises uniformly-mixed phosphor particles and transparent/translucent particles of a high tc material, such as quartz, in a hardened silicone binder, where the index of refraction of the high tc material is matched to that ...
Linear light concentrator, fixing device and image forming apparatus
Fuji Xerox Co., Ltd.
December 21, 2017 - N°20170363994

A linear light concentrator includes a light emitting body and first and second optical element groups, wherein the first optical element group is divided in first and second directions into first optical elements, each having characteristics to deflect a beam in the first direction, and the characteristics of the first optical elements adjacent in the second direction are different, the ...
Liquid lens and liquid lens module
Korea Advanced Institute Of Science And Technology
December 21, 2017 - N°20170363930

Disclosed are a liquid lens and a liquid lens module, which enhance the fill factor of a liquid lens having an inclined partition, thereby achieving a low drive voltage and a high fill factor. The liquid lens includes an oil layer and a conductive liquid inside a chamber having an inclined partition. The oil layer is formed of an oil ...
Variable total internal reflection electrowetting lens assembly for a detector
Abl Ip Holding Llc
December 21, 2017 - N°20170363859

Disclosed are examples of optical/electrical devices including a variable tir lens assembly having a transducer, an optical lens and an electrowetting cell coupled to an exterior wall of the lens. The electrowetting cell contains two immiscible liquids having different optical and electrical properties. One liquid has a high index of refraction, and the other liquid has a low index ...
Optical transmission device, optical reception device, and optical cable
Sony Corporation
December 21, 2017 - N°20170363824

An optical transmission device according to the present disclosure includes: an optical connector connection unit to which a connector unit of an optical cable is attached; a light emitting end configured to emit light to transmit an optical signal via the optical cable, and configured to radiate light to a reflection surface of the connector; and a driving unit configured ...
Variable total internal reflection electrowetting lens assembly
Abl Ip Holding Llc
December 21, 2017 - N°20170363270

Disclosed are examples of optical/electrical devices including a variable tir lens assembly having a transducer, an optical lens and an electrowetting cell coupled to an exterior wall of the lens. The electrowetting cell contains two immiscible liquids having different optical and electrical properties. One liquid has a high index of refraction, and the other liquid has a low index ...
Illumination device and display device
Japan Display Inc.
December 14, 2017 - N°20170357041

In one embodiment, an illumination device comprises a light source, a light guide having an incidence surface, and a light refraction structure on the surface. The light guide has an irradiation direction, a thickness direction, and a width direction. The light guide has a first surface in the thickness direction and a second surface in the width direction. A first ...
Refraction Patent Pack
Download 151+ patent application PDFs
Refraction Patent Applications
Download 151+ Refraction-related PDFs
For professional research & prior art discovery
inventor
  • 151+ full patent PDF documents of Refraction-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.
Plasma atomic layer deposition
Asm Ip Holding B.v.
December 14, 2017 - N°20170356087

Plasma atomic layer deposition (ald) is optimized through modulation of the gas residence time during an excited species phase, wherein activated reactant is supplied such as from a plasma. Reduced residence time increases the quality of the deposited layer, such as reducing wet etch rates, increasing index of refraction and/or reducing impurities in the layer. For example, dielectric layers, ...
Wearable device assembly having athletic functionality
Nike, Inc.
December 07, 2017 - N°20170351295

A wearable device assembly has a housing supporting a controller and a display. The display may comprise one or more light guides, where each guide is operatively coupled to an led. Each led may light the edge of a guide such that a refraction surface is illuminated. The controller may selectively illuminate the one or more light guides using the ...
Microscopy system with auto-focus adjustment by low-coherence interferometry
Thorlabs, Inc.
November 30, 2017 - N°20170343787

Disclosed are several technical approaches of using low coherence interferometry techniques to create an autofocus apparatus for optical microscopy. These approaches allow automatic focusing on thin structures that are positioned closely to reflective surfaces and behind refractive material like a cover slip, and automated adjustment of focus position into the sample region without disturbance from reflection off adjacent surfaces. The ...
Monolithic visible wavelength fiber laser
Nuburu, Inc.
November 30, 2017 - N°20170343729

Fiber laser having a monolithic laser resonator having laser affected zones for providing laser beams having wavelengths below 800 nm and from between 400 nm to 800 nm. Methods of using femtosecond lasers to form fiber bragg gratings, volume bragg gratings, space gratings, and laser beam delivery patterns for changing the index of refraction within optical fibers.
Optical member having three-dimensional effect forming portion and multiple effect forming portion and lighting device ...
Lg Innotek Co., Ltd.
November 30, 2017 - N°20170343725

Provided are an optical member capable of implementing optical images having desired shapes through a pattern design, and a lighting device using the same, the optical member including: a three-dimensional effect forming portion provided on a first surface of a base substrate; and a multiple effect forming portion disposed in a lamination form with the three-dimensional effect forming portion, wherein ...
Light emitting diode
Seoul Semiconductor Co., Ltd.
November 23, 2017 - N°20170338387

A light emitting apparatus, including: a substrate; a light emitting diode disposed on the substrate; and a lens covering the light emitting diode. The light emitting diode includes a light emitting diode chip; a first molding portion covering the light emitting diode chip; a second molding portion covering the first molding portion. The first molding portion includes one or more ...
Electronic devices with flexible displays
Apple Inc.
November 23, 2017 - N°20170336831

An electronic device may have a flexible portion that allows the device to be folded. The device may have a flexible display. The flexible display may have a flexible display layer, a cover layer, a touch sensor interposed between the flexible display layer and the cover layer, a support layer, and a polarizer layer. The polarizer layer may be interposed ...
Optical modulator
Nippon Telegraph And Telephone Corporation
November 23, 2017 - N°20170336696

The present invention provides an optical modulator including a substrate and a phase modulation portion on the substrate. The phase modulation portion includes an optical waveguide comprised of a first clad layer, a semiconductor layer that is laminated on the first clad layer and has a refraction index higher than the first clad layer and a second clad layer that ...
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