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


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Light field imaging with transparent photodetectors
The Regents Of The University Of Michigan
August 17, 2017 - N°20170237918

A light field imaging system with transparent photodetectors is presented. The light field imaging system includes: a stack of two or more detector planes, an imaging optic, and an image processor. The detector planes include one or more transparent photodetectors, such that transparent photodetectors have transparency greater than fifty percent (at one or more wavelengths) while simultaneously exhibiting responsivity greater ...
Vertical microcavity with confinement region having sub-wavelength structures to create an effective refractive index variation
International Business Machines Corporation
August 17, 2017 - N°20170237233

Embodiments are notably directed to a vertical microcavity. The vertical microcavity includes a first reflector and a second reflector, each of which includes one or more material layers extending perpendicular to a vertical axis x. The cavity may further include a confinement region extending between the first reflector and the second reflector, so as to be able to confine an ...
Optical film and display device including the same
Samsung Display Co., Ltd.
August 17, 2017 - N°20170235184

An optical film includes: a light-transmissive matrix having a plate shape; a plurality of first rods having a refractive index different from a refractive index of the light-transmissive matrix and disposed at a first inclination angle in the light-transmissive matrix; and a plurality of second rods having a refractive index different from the refractive index of the light-transmissive matrix and ...
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Optical device
Panasonic Intellectual Property Management Co., Ltd.
August 17, 2017 - N°20170235165

An optical device includes a first electrode and a second electrode that have translucency and are disposed facing each other, and an optical adjustment layer that is disposed between the first electrode and the second electrode. The optical adjustment layer includes a first phase that includes an electrolyte including a metal having a visible light reflecting property, and a second ...
Holographic see-through optical device, stereoscopic imaging system, and multimedia head mounted system
Samsung Electronics Co., Ltd.
August 17, 2017 - N°20170235144

A holographic see-through optical device, a stereoscopic imaging system including the same, and a multimedia head mounted system are provided. The holographic see-through optical device includes a micro display; a relay optical system, which relays an image generated by the micro display; at least one waveguide comprising at least two portions having different thicknesses or different refractive indexes; at least ...
Non-telecentric multispectral stereoscopic endoscope objective
Nikon Corporation
August 17, 2017 - N°20170235120

Non-telecentric in image space optical objective dimensioned to operate as part of intravascular endoscope probe and including first and second groups of lens elements (separated by an aperture stop) each of which has negative optical power. The first group of lens elements includes a first meniscus lens with a positive dioptric power and a first optical doublet. The second group ...
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Optical lens assembly, image capturing apparatus and electronic device
Largan Precision Co., Ltd.
August 17, 2017 - N°20170235110

An optical lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element and a seventh lens element. The first lens element with positive refractive power has an object-side surface being convex in a ...
Mobile device and optical imaging lens thereof
Genius Electronic Optical Co., Ltd.
August 17, 2017 - N°20170235108

Present embodiments provide for a mobile device and an optical imaging lens thereof. The optical imaging lens comprises five lens elements positioned sequentially from an object side to an image side. Through controlling the convex or concave shape of the surfaces, the refracting power of the lens elements and two parameters to meet an inequality associated with the thickness of ...
Optical image capturing system
Ability Opto-electronics Technology Co., Ltd.
August 17, 2017 - N°20170235107

An optical image capturing system includes, along the optical axis in order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. At least one lens among the first to the fifth lenses has positive refractive force. The fifth lens can have negative refractive force, wherein ...
Optical image capturing system
Ability Opto-electronics Technology Co., Ltd.
August 17, 2017 - N°20170235106

An optical image capturing system includes, along the optical axis in order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. At least one lens among the first to the fifth lenses has positive refractive force. The fifth lens can have negative refractive force, wherein ...
Optical image capturing system
Ability Opto-electronics Technology Co., Ltd.
August 17, 2017 - N°20170235105

An optical image capturing system includes, along the optical axis in order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. At least one lens among the first to the fifth lenses has positive refractive force. The fifth lens can have negative refractive force, wherein ...
Optical image capturing system
Ability Opto-electronics Technology Co., Ltd.
August 17, 2017 - N°20170235104

An optical image capturing system includes, along the optical axis in order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. At least one lens among the first to the fifth lenses has positive refractive force. The fifth lens can have negative refractive force, wherein ...
Optical image capturing system
Ability Opto-electronics Technology Co. Ltd.
August 17, 2017 - N°20170235103

A six-piece optical lens for capturing image and a six-piece optical module for capturing image are provided. In order from an object side to an image side, the optical lens along the optical axis includes a first lens with refractive power, a second lens with refractive power, a third lens with refractive power, a fourth lens with refractive power, a ...
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Download 1676+ patent application PDFs
Refract Patent Applications
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inventor
  • 1676+ full patent PDF documents of Refract-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.
Four-piece infrared single wavelength lens system
Newmax Technology Co., Ltd.
August 17, 2017 - N°20170235099

A four-piece infrared single wavelength lens system includes, in order from the object side to the image side: a first lens element with a positive refractive power, a stop, a second lens element with a refractive power, a third lens element with a positive refractive power, and a fourth lens element with a negative refractive power. The focal length of ...
Four-piece infrared single wavelength lens system
Newmax Technology Co., Ltd.
August 17, 2017 - N°20170235098

A four-piece infrared single wavelength lens system includes, in order from the object side to the image side: a first lens element with a refractive power, a stop, a second lens element with a positive refractive power, a third lens element with a positive refractive power, and a fourth lens element with a positive refractive power. The focal length of ...
Three-piece infrared single wavelength lens system
Newmax Technology Co., Ltd.
August 17, 2017 - N°20170235097

A three-piece infrared single wavelength lens system includes, in order from the object side to the image side: a stop, a first lens element with a positive refractive power, a second lens element with a positive refractive power, and a third lens element with a positive refractive power. The focal length of the first lens element is f1, the focal ...
Selective uv curing of epoxy adjacent to optical fibers by transmitting uv energy through the ...
Commscope, Inc. Of North Carolina
August 17, 2017 - N°20170235059

A method and system for affixing multi-core fiber (mcf) within a ferrule includes a uv light source and a light guide. Mcfs are placed into epoxy filled holders, e. G., channels or v-grooves, of a ferrule. A first mcf in a first holder is clocked to orient its cores to a desired position. The light source is activated, and the ...
Optical coupler, laser device, and taper fiber
Fujikura Ltd.
August 17, 2017 - N°20170235055

Provided is an optical coupler configured to cause an na of light, which exits a taper fiber, to be smaller as compared with a conventional optical coupler. A taper fiber has a high refractive index part which is provided inside a core of the taper fiber and which has a refractive index smaller than a refractive index ncore of the ...
Low attenuation fiber with stress relieving layer and a method of making such
Corning Incorporated
August 17, 2017 - N°20170235045

A single mode optical fiber having a core made from silica and less than or equal to about 11 weight % germania and having a maximum relative refractive index Δ1max. The optical fiber also has an inner cladding surrounding the core and having a minimum relative refractive index Δ2min, a first outer cladding surrounding the inner cladding and a second ...
Multimode optical fiber with high bandwidth over an extended wavelength range, and corresponding multimode optical ...
Draka Comteq B.v.
August 17, 2017 - N°20170235044

The invention concerns a multimode optical fiber, with a graded-index core co-doped with at least fluorine f and germanium geo2 and a refractive index profile with at least two α-values. According to the invention, the concentration of fluorine f at the core center ([f]r=0) is between 0 and 3 wt % and the concentration of fluorine f at the core ...
Multicore fiber
National University Corporation Hokkaido University
August 17, 2017 - N°20170235043

No core is disposed at the lattice point of a triangular lattice of a first layer ly1. First cores 11a and 11b of the core elements 10a and 10b are disposed at the lattice points of a second layer ly2. A first core 11c of the core element 10c and the second core 21 are alternately disposed at the lattice points ...
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