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


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Molten alkali metal-aluminum secondary battery
Dynantis Corp
October 12, 2017 - N°20170294685

An aluminum-based cathode (positive electrode) for storage cells formed by deposition of a layer of aluminum metal on a porous conductive substrate. Storage cells and batteries having the cathode. The porous conducting substrate can be metal, conductive carbon or a refractory material, such as a metal boride or metal carbide. The aluminum-deposited porous substrate is in electrical contact with a ...
Organic light emitting diode and light emitting diode display
Dynantis Corp
October 12, 2017 - N°20170294628

In equation 1, n*k (λ=405 nm) represents an optical value that is a product of a refractive index and an absorption coefficient in a 405 nanometer wavelength.
Method of manufacturing light scattering layer and organic light-emitting diode
Wuhan China Star Optoelectronics Technology Co., Ltd.
October 12, 2017 - N°20170294625

A method of manufacturing a light scattering layer and an organic light-emitting diode are provided. The manufacturing method includes: depositing a material having a low refractive index value in hole structures of a mask on a base; removing the mask, and forming a plurality of raised structures on the base; depositing a material having a high refractive index value between ...
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Solid-state image pickup apparatus and method of manufacturing the same
Canon Kabushiki Kaisha
October 12, 2017 - N°20170294470

Provided are a solid-state image pickup apparatus which includes: a semiconductor substrate having a plurality of photoelectric converters; a first and a second insulating layers formed on the semiconductor substrate; an optical waveguide formed above each of the plurality of photoelectric converters and in an opening portion of the first and the second insulating layers, and has a refractive index ...
Neon-free illuminated signage
Technographix Llc Dba As May Group International
October 12, 2017 - N°20170294152

A system and method for presenting a visual message by illumination. The system includes an led light source and a transparent sheet. The transparent sheet is a transmission medium that includes a modified surface that refracts light in designated areas. The led source illuminates the transparent sheet so that the led illumination of the sheet achieves a visual effect of ...
Holographic viewing device, and holographic viewing card incorporating it
Dai Nippon Printing Co., Ltd.
October 12, 2017 - N°20170293263

The invention relates to a holographic viewing device that enable printing or the like to be directly applied to a transmission hologram substrate without recourse to any frame for supporting and reinforcing a transmission hologram, thereby simplifying construction while enhancing aesthetic and decorative attributes, and a holographic viewing card incorporating it. The holographic viewing device enables a given image or ...
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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.
Three-dimensional display module and display device comprising first and second cylinder lens assemblies each having ...
Wuhan China Star Optoelectronics Technology Co., Ltd.
October 12, 2017 - N°20170293152

A three-dimensional (3d) display module and a 3d display device are disclosed. The 3d display module has a first assembly and second lens assemblies respectively having multiple first and second lenses arranged in parallel. The extending directions of the first and second lens assemblies intersect to form a specific angle and the refractive indexes of the first and second cylinder ...
Augmented reality systems and methods with variable focus lens elements
Magic Leap, Inc.
October 12, 2017 - N°20170293145

An augmented reality display system includes a pair of variable focus lens elements that sandwich a waveguide stack. One of the lens elements is positioned between the waveguide stack and a user's eye to correct for refractive errors in the focusing of light projected from the waveguide stack to that eye. The lens elements may also be configured to provide ...
Variable magnification optical system and image pickup apparatus using the same
Olympus Corporation
October 12, 2017 - N°20170293122

A variable magnification optical system includes: in order from an object side, a first lens unit having a positive refractive power; a second lens unit having a negative refractive power; a third lens unit having a positive refractive power; and an image-side lens unit. The image-side lens unit includes a lens belonging to a first region and a lens belonging ...
Variable magnification optical system and image pickup apparatus using the same
Olympus Corporation
October 12, 2017 - N°20170293121

A variable magnification optical system includes, sequentially from an object side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third lens unit having a positive refractive power, a fourth lens unit, and a fifth lens unit having a positive refractive power, and each of the lens units makes a ...
Imaging lens
Young Optics Inc.
October 12, 2017 - N°20170293118

An imaging lens including a first lens group, a second lens group, and an aperture stop is provided. The first lens group is disposed between an object side and an image side. The second lens group is disposed between the first lens group and the image side. The aperture stop is disposed between the first lens group and the second ...
Slim imager, associated system-in-package, and associated method
Omnivision Technologies, Inc.
October 12, 2017 - N°20170293115

In an embodiment, a slim imager is disclosed. The slim imager includes a substrate including an aperture, an image sensor, and an optics unit. The image sensor is on a bottom side of the substrate, spans the aperture, and has an aperture-facing top surface. The optics unit is on a top side of the substrate, spans the aperture, and includes ...
Optical photographing lens assembly, image capturing device and electronic device
Largan Precision Co., Ltd.
October 12, 2017 - N°20170293114

An optical photographing 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 and a sixth lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof. ...
Refract Patent Pack
Download 1676+ patent application PDFs
Refract Patent Applications
Download 1676+ Refract-related PDFs
For professional research & prior art discovery
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.
Optical imaging system
Samsung Electro-mechanics Co., Ltd.
October 12, 2017 - N°20170293110

An optical imaging system includes a first lens having refractive power; a second lens having refractive power; a third lens having refractive power and cemented to the second lens; a fourth lens having refractive power; a fifth lens having refractive power and cemented to the fourth lens; a sixth lens having refractive power; a seventh lens having refractive power; and ...
Camera lens
Aac Technologies Pte. Ltd.,
October 12, 2017 - N°20170293109

A camera lens is disclosed. The camera lens includes: a first lens with positive refractive power; a second lens with negative refractive power; a third lens with positive refractive power; a fourth lens with negative refractive power, which are arranged sequentially from an object side. The camera lens is characterized in that it satisfies specified conditions.
Optical lens assembly, image capturing apparatus and electronic device
Largan Precision Co., Ltd.
October 12, 2017 - N°20170293108

This invention provides an optical lens assembly comprising, in order from an object side to an image side: a first lens element with negative refractive power having an image-side surface being concave in a paraxial region thereof; a second lens element having positive refractive power; a third lens element having an object-side surface being concave in a paraxial region thereof; ...
Optical lens
Young Optics Inc.
October 12, 2017 - N°20170293107

An optical lens including a first lens group and a second lens group is provided. The first lens group is arranged between a magnified side and a minified side. The first lens group includes a lens closest to the magnified side. A refractive power of the lens is negative, and at least one surface of the lens is an aspherical ...
Optical waveguide device
Shinko Electric Industries Co., Ltd.
October 12, 2017 - N°20170293096

An optical waveguide device includes a wiring substrate, a first cladding layer formed on the wiring substrate, a base protective layer formed on the first cladding layer and formed into a certain pattern, a core layer formed on the first cladding layer and the base protective layer, a recess portion having an inclined surface and formed from the core layer ...
Polarization independent optical switch with high extinction ratio based on slab photonic crystals
Shinko Electric Industries Co., Ltd.
October 12, 2017 - N°20170293078

The present invention discloses a pios with a high extinction ratio based on slab phcs which comprises an upper slab phc and a lower slab phc connected as a whole; the upper slab phc is a first square-lattice slab phc, the unit cell of the first square-lattice slab phc includes a high-refractive-index rotating square pillar, a single first flat dielectric ...
Right-angle waveguide having circular-hole-type square-lattice photonic crystal and single compensation scattering rod having low refractive ...
Shenzhen University
October 12, 2017 - N°20170293077

A right-angle bending waveguide includes a circular-hole-type square-lattice photonic crystal (phc) and a single compensation scattering rod having a low refractive index. The right-angle bending waveguide is a phc formed from first dielectric rods having a low refractive index arranged in a background dielectric having a low refractive index according to a square lattice. In the phc, one row and ...
Lighting device
Lg Innotek Co., Ltd.
October 12, 2017 - N°20170293069

A light device includes a transparent substrate having a first surface and a second opposite surface, an array of light-modifying elements formed on the substrate, and a light source to project light along a thickness direction of the substrate. The light-modifying elements having surfaces inclined at an angle with respect to at least one of the first surface and the ...
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