High Contrast

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

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Dual-purpose, absorptive, reflective wire grid polarizer
Moxtek, Inc.
May 18, 2017 - N°20170139095

A wgp 10 can include an array of parallel, elongated rods 14 located over a surface of a transparent substrate 11 with gaps 15 between adjacent rods 14. Each of the rods 14 can include a reflective wire 13 sandwiched between ribs 12. One of the ribs 12 can be a transparent rib and one can be an absorptive rib. The wgp 10 can have high efficiency and high contrast ...
Interlayer film for laminated glass, and laminated glass
Sekisui Chemical Co., Ltd.
May 18, 2017 - N°20170136742

The present invention aims to provide an interlayer film for laminated glass which prevents a double image phenomenon in a specific area of laminated glass and enables display of high contrast images at a luminance within a certain range. The present invention also aims to provide a laminated glass including the interlayer film for laminated glass. The present invention relates ...
Hand held symbology reader illumination diffuser
Cognex Technology And Investment Llc
May 11, 2017 - N°20170132441

A hand held industrial identification symbol reader projects diffuse illumination onto a region of interest to produce high contrast images of symbols. The diffuse illumination is particularly well suited for producing images of symbols that are marked directly on objects. The diffuse illumination is created through the use of an optically translucent diffuser having a generally tapered shape that distributes ...
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System and method for analysis of a sample
Lightwave Science, Inc.
May 04, 2017 - N°20170122969

A system including a light source, sampling tray, and a plurality of fiber optics positioned to achieve high contrast to improve accuracy and eliminate the need to rotate the sample. A composite light image from the fiber optics is fed to a spectrometer which converts the reflected light into a fingerprint corresponding to the concentration of at least one substance ...
Liquid crystal element
Lg Chem, Ltd.
April 20, 2017 - N°20170108740

The present application relates to a liquid crystal element and a use of the liquid crystal element. The exemplary liquid crystal element of the present application is, for example, an element capable of realizing a normally transparent mode, having a high contrast ratio, and being driven with a low driving voltage. Such a liquid crystal element may be applied in ...
Method of making a surgical instrument with high contrast marking
Depuy Ireland Unlimited Company
April 13, 2017 - N°20170100204

A method of marking a surgical instrument with a symbol formed in or on a smooth surface comprises forming a symbol in or on a smooth surface of the surgical instrument; and forming a plurality of angled surfaces over at least part of the area of the symbol. The angled surfaces define a plurality of parallel ridges and grooves in ...
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Collimating metalenses and technologies incorporating the same
President And Fellows Of Harvard College
March 23, 2017 - N°20170082263

Metalenses and technologies incorporating the same are disclosed. In some embodiments, the metalenses are in the form of a hybrid multiregion collimating metalens that includes a first region and a second region, wherein the hybrid multiregion collimating metalens is configured to collimate (e. G., visible) light incident thereon. In some instances the first region includes an array of first unit ...
Time spaced infrared image enhancement
Flir Systems, Inc.
March 16, 2017 - N°20170078590

Techniques using small form factor infrared imaging modules are disclosed. An imaging system may include visible spectrum imaging modules, infrared imaging modules, and other modules to interface with a user and/or a monitoring system. Visible spectrum imaging modules and infrared imaging modules may be positioned in proximity to a scene that will be monitored while visible spectrum-only images of ...
Photomask and methods for manufacturing and correcting photomask
Dai Nippon Printing Co., Ltd.
March 16, 2017 - N°20170075213

The present invention provides a halftone mask comprising an assist pattern and a manufacturing method of the halftone mask, which uses an arf excimer laser as an exposing source, is used for a projection exposure by an off axis illumination, does not resolve the assist pattern while keeping the focal depth magnification effect as the assist pattern, and may form ...
Self-emissive display with switchable retarder for high contrast
Apple Inc.
February 23, 2017 - N°20170053602

Systems and electronic displays with improved contrast even under bright-light conditions are provided. Such an electronic display may include a self-emissive pixel (e. G., oled or μ-led) with a corresponding liquid crystal switchable retarder pixel. A liquid crystal layer of the switchable retarder pixel may be tuned to an “on” state or an ȁ...
Tire comprising a high contrast matrix symbol on the sidewall thereof
Michelin Recherche Et Technique S.a.
February 23, 2017 - N°20170050473

A tire made of rubbery material comprising a sidewall (3). The sidewall (3) comprises at least one coded matrix symbol (4), the coded matrix symbol (4) comprising dark parts and light parts, the dark parts being made up of a texture formed as an integral part of the sidewall (3) and contrasting against the rest of the tire (1). The texture is an organized arrangement of ...
Systems and methods for broad line fundus imaging
Carl Zeiss Meditec Ag
February 23, 2017 - N°20170049323

Systems and methods for broad line fundus imaging (blfi), an imaging approach that is a hybrid between confocal and widefield imaging systems, are presented. These systems and methods are focused on improving the quality and signal of broad line fundus images or imaging methods to create high contrast and high resolution fundus images. Embodiments related to improved pupil splitting, artifact ...
Membrane switch mechanism
Honeywell International Inc.
February 16, 2017 - N°20170046043

A mechanism, such as a membrane switch, may incorporate universal symbols making it language independent. Status of switch components may be understood without aid of another device. The components may have, for example, white backlights and/or icons for neutral symbols to convey informational conditions that do not necessarily command immediate attention and may have, for example, color backlights and/...
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High contrast projection screen with stray light rejection
X Development Llc
January 19, 2017 - N°20170017145

A multi-layer projection screen includes a stray light rejection layer and a lens array. The stray light rejection layer includes an array of pillar structures, wherein each pillar structure of the array of pillar structures includes an entrance aperture, an exit aperture, a pathway extending from the entrance aperture to the exit aperture, and a side wall surrounding the pathway. ...
Optical modulation employing high contrast grating lens
Hewlett Packard Enterprise Development Lp
January 12, 2017 - N°20170010482

A high contrast grating optical modulation includes an optical modulator at a front surface of a substrate to modulate received light. The high contrast grating optical modulation further includes a high contrast grating (hcg) lens adjacent to a back surface of the substrate opposite to the front surface to focus incident light onto the optical modulator. The substrate is transparent ...
Systems and methods for transnasal dilation of passageways in the ear, nose or throat
Acclarent, Inc.
January 12, 2017 - N°20170007281

A dilation catheter device and system for dilating an opening in a paranasal sinus and/or other passageways within the ear, nose or throat is disclosed. A dilation catheter device and system is constructed in a manner that facilitates ease of use by the operator and, in at least some cases, allows the dilation procedure to be performed by a ...
Light emitting diode, photodiode, displays, and method for forming the same
Princeton University
January 05, 2017 - N°20170005235

The present invention is related to solid state light emitting diodes (leds), photodetector/photovoltaic devices, displays, applications and methods for making the same. As demonstrated experimentally, the leds, as disclosed herein, have high light emission efficiency, high contrast, high brightness, low ambient light reflection, low light glare, and a tunable display viewing angle. The same led disclosed here can be ...
High contrast projection screen with stray light rejection
Google Inc.
December 29, 2016 - N°20160377970

A multi-layer projection screen includes a transparent substrate having first and second sides, a stray light rejection layer, and a lens array. The stray light rejection layer is disposed across the first side of the transparent substrate. The stray light rejection layer includes an array of pillar structures, wherein each pillar structure of the array of pillar structures includes an ...
Polymer, chemically amplified positive resist composition and patterning process
Shin-etsu Chemical Co., Ltd.
December 22, 2016 - N°20160370702

A positive resist composition comprising a polymer comprising recurring units having both an acyl or alkoxycarbonyl group and an acid labile group-substituted hydroxyl group exhibits a high contrast of alkaline dissolution rate before and after exposure, a high resolution, a good pattern profile and minimal edge roughness.
High dynamic range, high contrast projection systems
Reald Inc.
November 17, 2016 - N°20160334696

A dynamic iris is located on the imaging path of an optical lens system that includes a relay lens system and at least one projection lens system. A dynamic iris modulates image frames in an image data stream, resulting in a reduction in light transmission associated with the modulated image frames. A dynamic iris may be configured to change the ...
Bidirectional optical multiplexing employing a high contrast grating
Hewlett-packard Development Company, L.p.
November 10, 2016 - N°20160327746

Bidirectional optical multiplexing employs a high contrast grating as one or both of a beam-forming lens and a relay mirror. A bidirectional optical multiplexer includes the beam-forming lens to focus light. The light is one or both of a light beam internal to and another light beam external to the bidirectional optical multiplexer. The bidirectional optical multiplexer further includes an ...