Follow us on Twitter
twitter icon@FreshPatents


High Contrast patents

      

This page is updated frequently with new High Contrast-related patent applications.




 Membrane switch mechanism patent thumbnailMembrane switch mechanism
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.
Honeywell International Inc.


 Actively controllable color using high contrast metastructures patent thumbnailActively controllable color using high contrast metastructures
A color changing or beam steering photonic device, which combines a high contrast metastructure (hcm) having a plurality of high index grating structures, into a low index membrane. In response to physical (or electrical) deformation of the membrane the low index gaps between adjacent grating bars changes which results in changing reflectance and transmission angles for steering a single wavelength of light and for causing a color change in said photonic device when subject to multiple light wavelengths.
The Regents Of The University Of California


 High contrast projection screen with stray light rejection patent thumbnailHigh contrast projection screen with stray light rejection
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.
X Development Llc


 Optical modulation employing high contrast grating lens patent thumbnailOptical modulation employing high contrast grating lens
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.
Hewlett Packard Enterprise Development Lp


 Systems and methods for transnasal dilation of passageways in the ear, nose or throat patent thumbnailSystems and methods for transnasal dilation of passageways in the ear, nose or throat
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 single operator.
Acclarent, Inc.


 Light emitting diode, photodiode, displays, and  forming the same patent thumbnailLight emitting diode, photodiode, displays, and forming the same
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.
Princeton University


 High contrast projection screen with stray light rejection patent thumbnailHigh contrast projection screen with stray light rejection
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.
Google Inc.


 Polymer, chemically amplified positive resist composition and patterning process patent thumbnailPolymer, chemically amplified positive resist composition and patterning process
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.. .
Shin-etsu Chemical Co., Ltd.


 High dynamic range, high contrast projection systems patent thumbnailHigh dynamic range, high contrast projection systems
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.
Reald Inc.


 Bidirectional optical multiplexing employing a high contrast grating patent thumbnailBidirectional optical multiplexing employing a high contrast grating
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.
Hewlett-packard Development Company, L.p.


Universal phantom structure for quality inspections both on computerized tomography and on magnetic resonance tomography

The present invention relates to a phantom for periodical measurements of parameters allowing to ensure that performance of equipment for computed tomography and/or magnetic resonance tomography are compliant to established acceptability criteria, that is performance are constant in time. The main characteristic of such phantom is that the same phantom may be used for measurements of different physical parameters and for different machines, even of different type, such as machines for ct and/or mrt.
Irccs Centro Neurolesi "bonino-pulejo"

Liquid crystal composition and application thereof

Disclosed is a liquid crystal composition and use thereof. The liquid crystal composition comprises components a, b and c; wherein component a is selected from one of the compounds represented by formula i; component b is a liquid crystal composition having a dielectric anisotropy of greater than 3; and component c is a liquid crystal composition having a dielectric anisotropy of −3 to 3.
Shijiazhuang Chengzhi Yonghua Display Materials Co., Ltd.

Identification device

An identification device comprises a support layer which comprises one or more markings and a contrast agent. The contrast agent is transformable upon application or removal of non-visible radiation between a first optical state and a second optical state.
Wax Seal Limited

Plasmonic lens

A plasmonic lens is presented comprising a surface for interaction with an input electromagnetic field, wherein this surface has a pattern comprising an arrangement of a plurality of elongated spaced-apart features of a predetermined geometry arranged in a spaced-apart relationship along at least one segment of a spiral curve, each of the pattern features defining an elongated interface for creation of surface waves in response to the interaction with the incident electromagnetic field, such that the pattern provides linear-polarization-independent plasmonic focusing and large area, high contrast, circular polarization dichroic plasmonic focusing.. .
Technion Research & Development Foundation Limited

Liquid crystal display device

Provided is a display device that is thin in its entirety and has a high contrast. The display device according to the present invention includes an array substrate provided with multiple pixels in array, and a counter substrate oppositely disposed above the array substrate with a liquid crystal layer interposed between the counter substrate and the array substrate.
Mitsubishi Electric Corporation

High contrast grating optoelectronics

A high contrast grating optoelectronic apparatus includes an optoelectronic device at a front surface of a substrate. The optoelectronic device is to one or both of emit light and detect light through a back surface of the substrate opposite the front surface.
Hewlett Packard Enterprise Development Lp

Projection subsystem for high contrast projection system

A projection subsystem for a high contrast projection system is described including three digital micro-mirror devices (mmd) and three prism assemblies and a crossed dichroic prism assembly, the prism assemblies having dual tir prisms.. .
Barco N.v.

Apparatus and x-ray grating phase-contrast imaging

A hard x-ray grating phase-contrast imaging apparatus with large field-of-view, high contrast and low dose and the method thereof. The apparatus includes a source emitter (31), a source grating (g0), a beam splitting grating (g1), an analyzer grating (g2) and a detector (32) arranged in sequence on a transmission path of the source emitter (31).
University Of Science And Technology Of China

Interferometric spatio-temporal optical coherence modulation

The invention relates to applications of optical interference. It is already known to reduce speckle contrast by introducing arbitrary phase shifts in the reference light beam.
Am2m Sp Z O.o. Sp Kom

Methods and systems using led sources to create contrast agents for mid-infrared imaging of blood vessels

Novel methods and systems to map the structure of blood vessels and monitor the flow of blood through these vascular networks using thermal imaging techniques. To obtain high contrast thermal images of the vascular structure in tissue, there must be a temperature difference between the blood/blood vessels and surrounding tissue.
The University Of North Carolina At Charlotte

Circuit tracing using a focused ion beam

Methods and systems for tracing circuitry on integrated circuits using focused ion beam based imaging techniques. A first component or node on an integrated circuit is coupled to a second component or node on the same integrated circuit.
Techinsights Inc.

Charged particle beam apparatus, image forming method using a charged particle beam apparatus, and image processing apparatus

To provide a charged particle beam apparatus capable of obtaining an image with high contrast and high visibility, the apparatus has: a charged particle optical system; a detection part to detect secondary charged particles generated from the sample; an image formation part to receive a detection signal from the detection part and form an image of the sample; an image processing part to process the image formed with the image formation part; and a display part to display the result of processing with the image processing part, wherein the image formation part has a pulse-count signal processing part to generate cumulative histogram information on a pulse signal component in the detection signal, set a threshold value for pulse signal detection using information on the generated cumulative histogram, and output a detection signal having a value higher than the set threshold value as a pulse signal.. .
Hitachi High-technologies Corporation

Liquid crystal display device and electronic device using liquid crystal display device

A liquid crystal display device with an increased pixel aperture ratio is provided. A liquid crystal display device that displays an image with high contrast and high luminance is provided.
Semiconductor Energy Laboratory Co., Ltd.

Method and system for biometric recognition

High quality, high contrast images of an iris and the face of a person are acquired in rapid succession in either sequence by a single sensor and one or more illuminators, preferably within less than one second of each other, by changing the data acquisition settings or illumination settings between each acquisition.. .
Eyelock, Inc.

Image-capturing device, organic el element, image-capturing method, program, and recording medium

The present invention provides an image-capturing device that reduces the effect of direct incident light on an image-capturing element and allows a high contrast image to be obtained. The present invention provides an image-capturing device including: an image-capturing element 11; a light emitting element 13; and an image data correction unit, wherein the light emitting element 13 irradiates a subject 14 with light, the image-capturing element 11 senses the light 16 reflected by the subject 14 and generates an image data, and the image data correction unit corrects the image data by subtracting incident light 15 directly entered into the image-capturing element 11 from the light emitting element 13 without being reflected by the subject 14 from the image data..
Nec Lighting, Ltd.

Liquid crystal panel and manufacturing method thereof

The present invention provides a liquid crystal panel and a manufacturing method thereof. The liquid crystal panel is used for a field sequence color display mode and includes a first substrate (1), a second substrate (2), a liquid crystal layer (3), an upper polarizer (11) arranged on a surface of the first substrate (1) distant from the liquid crystal layer (3), a lower polarizer (21) arranged on a surface of the second substrate (2) distant from the liquid crystal layer (3), and a comb electrode (22) arranged on a surface of the second substrate (2) adjacent to the liquid crystal layer (3).
Shenzhen China Star Optoelectronics Technology Co., Ltd.

Donor-acceptor compositions to achieve high contrast broadly absorbing electrochromic polymers

An improved contrast electrochromic polymers(ecp), is a copolymer having donor sequences with a normal distribution of at least one solubilizing donor repeating unit selected from substituted propylenedioxythiophene units (prodot) and/or substituted acyclic dioxythiophene units (acdot) and a plurality of monodispersed trimer sequences consisting of an acceptor unit bonded between two ethylenedioxythiophene units (edot), two methylenedioxythiophene units (mdot), or a fused dad trimer, where the monodispersed trimer sequence separates two of the donor sequences. One useful monodispersed trimer sequence is edot-btd-edot (ebe).
Georgia Tech Research Corporation

Electrophoresis display apparatus, manufacturing electrophoresis display apparatus, and electronic device

Provided is an electrophoresis display apparatus in which light is unlikely to be reflected by a partition wall part and which realizes high contrast. An electrophoresis display apparatus 1 is provided with a first base member 8 on which a semiconductor elements 9c are arranged, a second base member 16 facing the first base member 8, and partition walls 5 that are positioned between the first base member 8 and the second base member 16 and partition pixel regions 6, and has a reflection reduction film 7 that reduces light reflection in a location facing the partition walls 5, as viewed from a second base member 16 side..
Seiko Epson Corporation

High contrast electro-optic liquid crystal camera iris providing angle independent transmission for uniform gray shades

A high-contrast electro-optic liquid crystal camera iris (10) provides angle independent transmission for uniform gray shades. The liquid crystal iris comprises a combination of first and second liquid crystal devices (12, 14) arranged in optical series and positioned between optical polarizers (46, 48).
Lc-tec Displays Ab

Resist composition and patterning process

To a resist composition comprising a polymer comprising recurring units having an acid labile group and an acid generator is added a metal-acid complex. The metal is ce, cu, zn, fe, in, y, yb, sn, tm, sc, ni, nd, hf, zr, ti, la, ag, ba, ho, tb, lu, eu, dy, gd, rb, sr or cs.
Shin-etsu Chemical Co., Ltd.

High contrast inverse polarizer

An embedded, inverse wire-grid polarizer (wgp) includes ribs 13 located over a surface of a transparent substrate 11, gaps 16 between the ribs 13, and a fill-layer 15 substantially filling the gaps 16. The fill-layer has a relatively high index of refraction, such as greater than 1.4.
Moxtek, Inc.

Electromagnetic field perturbing object having a biocompatible exterior surface and a selected dielectric permittivity value or a selected magnetic permeability value

Described embodiments include an electromagnetic field perturbing object and a method. The electromagnetic field perturbing object includes a biocompatible exterior surface.
Elwha Llc, A Limited Liability Company Of The State Of Delaware

Minimally-invasive tissue ablation using high contrast electric fields

Described embodiments include a system and a method. A system includes an electromagnetic structure having a surface and a radiofrequency electromagnetic field source.
Elwha Llc, A Limited Liability Company Of The State Of Delaware

Mobility empowered biometric appliance a tool for real-time verification of identity through fingerprints

A system for transforming an image of a fingerprint, comprises a mobile device, comprising: a first communication interface, a camera configured to capture at least one image of at least one fingerprint, and a mobile device processor configured to execute instructions, the instructions configured to cause the mobile device processor to receive the image from the camera and transmit them to an image processing system via the first communication interface; and an image processing system, comprising: a second communication interface configured to receive the image, and an image processor configured to execute instructions, the instructions configured to cause the image processor receive the image form the second communication interface, and: render the image into a high contrast image, establish focus and image resolution for the image, perform noise reduction on the image, and perform distortion elimination on the image.. .
Sciometrics Llc

Apparatus for generating high contrast optical signals, and exemplary applications

A display apparatus generates a high visibility optical signal, such as an icon, the icon comprising a symbol, shape, or other image-like representation. The icon becomes visible at an observation point during an illumination on-state.
Imra America, Inc.

Polymer nanoparticle composite and composition for mri imaging including same

The present invention provides a safe polymer nanoparticle composite with few side effects, and an mri contrast agent incorporating said polymer nanoparticle composite. The polymer nanoparticle composite is capable of specifically accumulating on a tumor tissue to selectively extract the tissue, exhibiting high contrast even when used in small amounts, and enabling imaging over prolonged periods of time.
The University Of Tokyo

Electronic assembly with fiducial marks for precision registration during subsequent processing steps

An electronic assembly includes a substrate having in a first zone a low contrast first conductive pattern; a high contrast fiducial mark in a second zone of the substrate different from the first zone, wherein the fiducial mark and the first conductive pattern are in registration; and a second conductive pattern aligned with the first conductive pattern.. .
3m Innovative Properties Company

Image identification marker and method

A system and method for identifying the origin of photographic images and selecting photographic images according to the identified origin for inclusion in a set of photographic images employs a high contrast identifiable label disposable at one or more points in one or more sizes within the camera field of view for images of the label to be included in any photographic image. The label can be one of a plurality of different styles of each label.

Circuit tracing using a focused ion beam

Described are various embodiments of methods and systems for tracing circuitry on integrated circuits using focused ion beam based imaging techniques. In one such embodiment, a method is provide for identifying functional componentry associated with a switchable power interface on an integrated circuit, wherein the switchable power interface comprises a source and a drain with a control switch therebetween, said control switch being controllable by a control signal during operation of the integrated circuit.

Polarization measurements of metrology targets and corresponding target designs

Targets, target elements and target design method are provided, which comprise designing a target structure to have a high contrast above a specific contrast threshold to its background in polarized light while having a low contrast below the specific contrast threshold to its background in non-polarized light. The targets may have details at device feature scale and be compatible with device design rules yet maintain optical contrast when measured with polarized illumination and thus be used effectively as metrology targets.

Vehicle headlamp unit and vehicle headlamp system

A vehicle headlamp unit for irradiating light in front of the vehicle with a high contrast ratio and is capable of sufficiently cutting off the illumination light is provided. The unit includes a light source, a parallel optical system that produces parallel light, a polarizing beam splitter that splits light emitted from the parallel optical system into two polarized beams having polarization directions orthogonal to each other, a reflection-type liquid crystal element capable of switching between a first state where the light emitted from a first surface of the polarizing beam splitter is reflected without rotation of the polarization direction, and a second state where the light is reflected with rotation of the polarization direction, in each predetermined section, and a projection optical system that projects light, reflected by the reflection-type liquid crystal element and passed through the polarizing beam splitter once again, in front of the vehicle..
Stanley Electric Co., Ltd.

Optical devices including a high contrast grating lens

Techniques related to optical devices including a high contrast grating (hcg) lens are described herein. In an example, an optical device includes a transparent substrate.
Hewlett-packard Development Company, L.p.

Chemically amplified resist composition and patterning process

A chemically amplified resist composition comprising a base polymer, an acid generator, and a basic compound which is a cholanoate having an acid labile group-protected amino group has a high contrast of alkaline dissolution rate before and after exposure and high resolution and forms a pattern of satisfactory profile with minimal roughness.. .
Shin-etsu Chemical Co., Ltd.

Fingerprint sensing and calibration apparatus

Methods and apparatuses are provided for a thin high contrast optical acquisition system for fingerprint recognition. In one embodiment, a method of capturing images of a fingerprint may include emitting light from a set of light sources to generate a scattered light from the fingerprint, determining a set of sensor arrays located between an inner boundary and an outer boundary from the set of light sources based on thickness and refractive index of one or more panels between the set of light sources and the fingerprint, activating the set of sensor arrays to capture the scattered light from the fingerprint, and processing the scattered light captured by the set of sensor arrays in parallel to generate a topography of the fingerprint..
Secugen Corporation

Chroma subsampling

A chroma subsampling having reduced artifacts is achieved by detecting high contrast areas in a luminance channel of an image to be chroma subsampled so as to partition the image into a first region composed of the high contrast areas and a second region distinct from the first region, with chroma subsampling the image in the first region using a first chroma subsampler and chroma subsampling the image in the second region using a second chroma subsampler, with the first chroma subsampler having a higher edge preserving property than compared to the second chroma subsampler. Thereby, bleeding artifacts may be avoided at least partially, while the saturation of the image may be substantially preserved..
Fraunhofer-gesellschaft Zur Foerderung Der Angewandten Forschung E.v.

Method and contrast enhanced photography of wind turbine blades

A method and apparatus for inspecting utility scale wind turbine generator blades from the ground includes a digital camera and an adjustable polarizing filter on a stable platform. The camera is used to record multiple digital images with varying polarization angles using an artificial polarized or polarized solar illumination to produce images with the same or similar registration but different polarization angles, followed by image processing using subtraction or absolute difference routines to yield high resolution, high contrast images with reduced glare and excellent surface definition over the field of view..
Digital Wind Systems, Inc.

Signal switching architecture

An architecture for a fiber optic communication system that uses only two levels of switches, tier 1 and tier 3, is described. The architecture allows one to omit the conventional top of rack switch level and the conventional tier 2 switch level while maintaining performance and throughput.
Coriant Advanced Technology, Llc

Transceivers for signal switching architecture

An architecture for a fiber optic communication system that uses only two levels of switches, tier 1 and tier 3, is described. The architecture allows one to omit the conventional top of rack switch level and the conventional tier 2 switch level while maintaining performance and throughput.
Coriant Advanced Technology, Llc

Chemically amplified resist composition and patterning process

A chemically amplified resist composition comprising a base polymer, an acid generator, and a specific oxime compound has a high contrast of alkaline dissolution rate before and after exposure and high resolution and forms a pattern of satisfactory profile with minimal roughness and wide focus margin.. .
Shin-etsu Chemical Co., Ltd.

Chromotropic detection of ionizing radiation

A high contrast dosimeter is constructed where a plastic support is at least partially coated with a layer having a colored radical trapping compound. The plastic is a polymer that can contain a radiation sensitive plasticizer.
The Florida International University Board Of Trustees

Light control light control element

Provided is a light control method for a light control element which can be used even as a transmission-type one, has a high-quality mirror state enabling a high contrast ratio, and enables display in multiple colors. To this end, in this light control method for a light control element, with respect to a light control element comprising a pair of substrates, a pair of electrodes formed on opposed surfaces of the pair of substrates, and an electrolyte layer sandwiched between the pair of electrodes and including an electrochromic material containing silver and a mediator, the applied voltage to be applied between the pair of electrodes is changed in one light control period..
National University Corporation Chiba University



High Contrast topics:
  • High Contrast
  • Contrast Ratio
  • Augmented Reality
  • Liquid Crystal
  • Liquid Crystal Display
  • Visibility
  • Electrophoretic Display
  • Coordinates
  • Electrophoretic
  • Impregnated
  • Distributed
  • Transparent Electrode
  • Image Processing
  • Spreadsheet
  • Deterministic


  • Follow us on Twitter
    twitter icon@FreshPatents

    ###

    This listing is a sample listing of patent applications related to High Contrast for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for High Contrast with additional patents listed. Browse our RSS directory or Search for other possible listings.


    1.4633

    file did exist - 2496

    0 - 1 - 51