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22878 results about "Transmittance" patented technology
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Transmittance of the surface of a material is its effectiveness in transmitting radiant energy. It is the fraction of incident electromagnetic power that is transmitted through a sample, in contrast to the transmission coefficient, which is the ratio of the transmitted to incident electric field.
Field-effect transistor including transparent oxide and light-shielding member, and display utilizing the transistor
A field-effect transistor includes a substrate, a source electrode, a drain electrode, a gate electrode, a gate-insulating film, and an active layer. The active layer contains an oxide having a transmittance of 70% or more in the wavelength range of 400 to 800 nm. A light-shielding member is provided as a light-shielding structure for the active layer, for example, on the bottom face of the substrate.
Owner:CANON KK
Electrosurgical instrument that directs energy delivery and protects adjacent tissue
ActiveUS8128624B2Reduce heat spreadWeaken energySurgical instrument detailsSurgical forcepsTransmittanceBiomedical engineering
An electrode sealing assembly is designed for use with an electrosurgical instrument for sealing tissue and includes first and second jaw members each having an insulative housing and being movable from a first position in spaced relation relative to one another to at least one second position for grasping tissue therebetween. Each of the jaw members includes an electrically conductive sealing member disposed within the respective insulative housing. At least one of the insulative housings includes at least one tissue engaging surface configured to extend beyond the electrically conductive sealing member of one of the jaw members. The tissue engaging surface of the insulative housing cooperates with the opposing insulative housing of the opposing jaw member to both pinch and spread tissue when the jaw members are moved to the second position to decrease extraneous energy transmittance to tissue surrounding the jaw members.
Owner:COVIDIEN AG
Vehicle Rearview Assembly Including a Display for Displaying Video Captured by a Camera and User Instructions
InactiveUS20090096937A1Television system detailsElectric signal transmission systemsGraphicsGraphical user interface
An inventive rearview assembly (10) for a vehicle may comprise a mirror element (30) and a display (100) including a light management subassembly (101b). The subassembly may comprise an LCD placed behind a transflective layer of the mirror element. Despite a low transmittance through the transflective layer, the inventive display is capable of generating a viewable display image having an intensity of at least 250 cd / m2 and up to 6000 cd / m2. The rearview assembly may further comprise a trainable transmitter (910) and a graphical user interface (920) that includes at least one user actuated switch (902, 904, 906). The graphical user interface generates instructions for operation of the trainable transmitter. The video display selectively displays video images captured by a camera and the instructions supplied from the graphical user interface.
Owner:GENTEX CORP
Chromogenic glazing
A transparent chromogenic assembly in which color changes are selectively effectable over predefined areas comprises a pair of facing transparent substrates (15, 21, 28) each covered with a conductive layer divided into individual energizeable areas each provided with a set of busbars (187, 188). A passive layer may be superimposed over one of the substrates, its color being chosen so that the color and the transmissivity of the passive layer accommodates the range of color change and transmissivity of the electrochromic layer to maintain the transmitted color of the panel in a warm or neutral shade. Various other chromogenic windows, devices and systems are also disclosed.
Owner:SCHOTT AG
Near infrared-absorbing electrochromic compounds and devices comprising same
InactiveUS6193912B1Efficient NIR absorberImproved and more intense NIR activityTenebresent compositionsNon-linear opticsElectricityNear infrared absorption
Electrochromic compounds capable of reversibly attenuating the transmittance of the near infrared portion of the electromagnetic spectrum are provided. These compounds exhibit an energy difference between the singly occupied molecular orbital (SOMO) energy and the highest doubly occupied molecular orbital (HDOMO) energy (ESOMO-EHDOMO) of less than about 3.6 eV. In addition, these compounds have a transition moment of the configuration made up of the HDOMO and SOMO that is "long axis polarized".
Owner:GENTEX CORP
Device and method for in vitro determination of analyte concentrations within body fluids
InactiveUS6989891B2Withdrawing sample devicesVaccination/ovulation diagnosticsSpectral bandsCell wall
A reagentless whole-blood analyte detection system that is capable of being deployed near a patient has a source capable of emitting a beam of radiation that includes a spectral band. The whole-blood system also has a detector in an optical path of the beam. The whole-blood system also has a housing that is configured to house the source and the detector. The whole-blood system also has a sample element that is situated in the optical path of the beam. The sample element has a sample cell and a sample cell wall that does not eliminate transmittance of the beam of radiation in the spectral band.
Owner:OPTISCAN BIOMEDICAL
Overlay alignment metrology using diffraction gratings
InactiveUS6819426B2Accurate measurementLimited space availableSemiconductor/solid-state device testing/measurementSemiconductor/solid-state device detailsMetrologyAngle of incidence
Alignment accuracy between two or more patterned layers is measured using a metrology target comprising substantially overlapping diffraction gratings formed in a test area of the layers being tested. An optical instrument illuminates all or part of the target area and measures the optical response. The instrument can measure transmission, reflectance, and / or ellipsometric parameters as a function of wavelength, polar angle of incidence, azimuthal angle of incidence, and / or polarization of the illumination and detected light. Overlay error or offset between those layers containing the test gratings is determined by a processor programmed to calculate an optical response for a set of parameters that include overlay error, using a model that accounts for diffraction by the gratings and interaction of the gratings with each others' diffracted field. The model parameters might also take account of manufactured asymmetries. The calculation may involve interpolation of pre-computed entries from a database accessible to the processor. The calculated and measured responses are iteratively compared and the model parameters changed to minimize the difference.
Owner:TOKYO ELECTRON LTD
Electrosurgical instrument that directs energy delivery and protects adjacent tissue
ActiveUS20060217709A1Weaken energyReduce heat spreadSurgical instruments for heatingSurgical forcepsTransmittanceBiomedical engineering
An electrode sealing assembly is designed for use with an electrosurgical instrument for sealing tissue and includes first and second jaw members each having an insulative housing and being movable from a first position in spaced relation relative to one another to at least one second position for grasping tissue therebetween. Each of the jaw members includes an electrically conductive sealing member disposed within the respective insulative housing. At least one of the insulative housings includes at least one tissue engaging surface configured to extend beyond the electrically conductive sealing member of one of the jaw members. The tissue engaging surface of the insulative housing cooperates with the opposing insulative housing of the opposing jaw member to both pinch and spread tissue when the jaw members are moved to the second position to decrease extraneous energy transmittance to tissue surrounding the jaw members.
Owner:COVIDIEN AG
Device and method for in vitro determination of analyte concentrations within body fluids
A reagentless whole-blood analyte detection system that is capable of being deployed near a patient has a source capable of emitting a beam of radiation that includes a spectral band. The whole-blood system also has a detector in an optical path of the beam. The whole-blood system also has a housing that is configured to house the source and the detector. The whole-blood system also has a sample element that is situated in the optical path of the beam. The sample element has a sample cell and a sample cell wall that does not eliminate transmittance of the beam of radiation in the spectral band.
Owner:OPTISCAN BIOMEDICAL
Organophosphorus compounds for dental polymerizable compositions
InactiveUS6458868B1Substantial electrical conductivityReduced stabilityImpression capsDentistry preparationsTM compoundTransmittance
An organic phosphate compound having at least one radically polymerizable double bond, at least one phosphate residue having one or two hydroxyl groups, and at least one hydrocarbon group having 4 or more carbon atoms in a molecule, wherein a 10% by weight methanol solution of the organic phosphate compound has an electric conductivity at 25° C. of 0.5 mS / cm or less, and / or the organic phosphate compound has a light transmittance at 455 nm of 90% or more; a process for preparing the organic phosphate compound; a dental polymerizable composition comprising (a) the organic phosphate compound and (b) a polymerizable monomer capable of copolymerizing with the organic phosphate compound.
Owner:KURARAY NORITAKE DENTAL
Multipurpose controller for multistate windows
ActiveUS20120239209A1Improve the environmentSampled-variable control systemsComputer controlTransmittanceLocal environment
“Smart” controllers for windows having controllable optical transitions are described. Controllers with multiple features can sense and adapt to local environmental conditions. Controllers described herein can be integrated with a building management system (BMS) to greatly enhance the BMS's effectiveness at managing local environments in a building. The controllers may have one, two, three or more functions such as powering a smart window, determining the percent transmittance, size, and / or temperature of a smart window, providing wireless communication between the controller and a separate communication node, etc.
Owner:VIEW INC
Vehicle Rearview Mirror Assembly Including a High Intensity Display
ActiveUS20080068520A1Eliminate effect of losingNon-linear opticsOptical viewingTransmittanceDisplay device
An inventive rearview assembly for a vehicle may comprise a mirror element and a display including a light management subassembly. The subassembly may comprise an LCD placed behind a transflective layer of the mirror element. Despite a low transmittance through the transflective layer, the inventive display is capable of generating a viewable display image having an intensity of at least 250 cd / m2 and up to 3500 cd / m2. The display includes a novel backlighting subassembly and novel optical components including a magnifying system, a depolarizer, a reflector, and a reflective polarizer. The display may be configured to display an image having edges contoured to correspond to the edges of the mirror element.
Owner:GENTEX CORP
Method for spectrophotometric blood oxygenation monitoring
ActiveUS7072701B2Inhibition effectNon-invasive determinationSensorsColor/spectral properties measurementsUltrasound attenuationBlood oxygenation
A method and apparatus for non-invasively determining the blood oxygen saturation level within a subject's tissue is provided that utilizes a near infrared spectrophotometric (NIRS) sensor capable of transmitting a light signal into the tissue of a subject and sensing the light signal once it has passed through the tissue via transmittance or reflectance. The method includes the steps of: (1) transmitting a light signal into the subject's tissue, wherein the transmitted light signal includes a first wavelength, a second wavelength, and a third wavelength; (2) sensing a first intensity and a second intensity of the light signal, along the first, second, and third wavelengths after the light signal travels through the subject at a first and second predetermined distance; (3) determining an attenuation of the light signal for each of the first, second, and third wavelengths using the sensed first intensity and sensed second intensity of the first, second, and third wavelengths; (4) determining a difference in attenuation of the light signal between the first wavelength and the second wavelength, and between the first wavelength and the third wavelength; and (5) determining the blood oxygen saturation level within the subject's tissue using the difference in attenuation between the first wavelength and the second wavelength, and the difference in attenuation between the first wavelength and the third wavelength.
Owner:EDWARDS LIFESCIENCES CORP
Overlay alignment metrology using diffraction gratings
InactiveUS20020158193A1Limited space availableOvercome difficultiesBeam/ray focussing/reflecting arrangementsSemiconductor/solid-state device testing/measurementMetrologyAngle of incidence
Alignment accuracy between two or more patterned layers is measured using a metrology target comprising substantially overlapping diffraction gratings formed in a test area of the layers being tested. An optical instrument illuminates all or part of the target area and measures the optical response. The instrument can measure transmission, reflectance, and / or ellipsometric parameters as a function of wavelength, polar angle of incidence, azimuthal angle of incidence, and / or polarization of the illumination and detected light. Overlay error or offset between those layers containing the test gratings is determined by a processor programmed to calculate an optical response for a set of parameters that include overlay error, using a model that accounts for diffraction by the gratings and interaction of the gratings with each others' diffracted field. The model parameters might also take account of manufactured asymmetries. The calculation may involve interpolation of pre-computed entries from a database accessible to the processor. The calculated and measured responses are iteratively compared and the model parameters changed to minimize the difference.
Owner:TOKYO ELECTRON LTD
Apparatus and method for reducing imaging errors in imaging systems having an extended depth of field
An improved opto-electronic imaging system which is adapted for use with incoherently illuminated objects, and which produces final images having a reduced imaging error content. The imaging system includes an optical assembly for forming an intermediate image of the object to be imaged, an image sensor for receiving the intermediate image and producing an intermediate image signal, and processing means for processing the intermediate image signal to produce a final image signal having a reduced imaging error content. A reduction in imaging error content is achieved, in part, by including in the optical assembly a phase mask for causing the OTF of the optical assembly to be relatively invariant over a range of working distances, and an amplitude mask having a transmittance that decreases continuously as a function of distance from the center thereof. The reduction in imaging error content is also achieved, in part, by including in the processing means an improved generalized recovery function that varies in accordance with at least the non-ideal calculated IOTF of the optical assembly under a condition of approximately optimum focus.
Owner:HAND HELD PRODS
Organic light-emitting display device
ActiveUS20120001184A1Prevents and reduces distortion of imagePreventing and reducing light transmittingSolid-state devicesSemiconductor/solid-state device manufacturingTransmittanceDisplay device
A transparent organic light-emitting display device has an improved transmittance and a reduced voltage drop in an opposite electrode. The organic light-emitting display device includes: a first substrate having a transmitting region and a plurality of pixel regions separated from each other by the transmitting region interposed between the pixel regions; a plurality of pixel electrodes being located at the pixel regions, respectively; an opposite electrode facing the pixel electrodes and being at the transmitting region and the pixel regions; a second substrate facing the opposite electrode and being bonded to the first substrate; a first conductive unit being between the second substrate and the opposite electrode, opposite ends of the first conductive unit contacting the second substrate and the opposite electrode, respectively; and a second conductive unit facing the first conductive unit and contacting the opposite electrode that is between the first conductive unit and the second conductive unit.
Owner:SAMSUNG DISPLAY CO LTD
Variable transmittance optical filter and uses thereof
ActiveUS20100315693A1Antiglare equipmentCoupling device engaging/disengagingTransmittanceElectrochromism
Variable transmittance optical filters capable of transitioning from a light state to a dark state on exposure to UV radiation and from a dark state to a light state with application of an electric voltage are provided. The optical filters comprise a switching material that comprises one or more chromophores that have electrochromic and photochromic properties.
Owner:SOLUTIA CANADA INC
Conduction structure in transparent conduction film, transparent conduction film and manufacture method thereof
ActiveCN102903423AConductive layers on insulating-supportsTransparent dielectricsTransmittanceConductive materials
The invention discloses a transparent conduction film, a conduction structure thereof and a preparation method of the transparent conduction film. The transparent conduction film is of a single-sided dual-layer conduction structure. The conduction structure comprises a first metal embedding layer and a second metal embedding layer, wherein the first metal embedding layer is formed by impressing on a substrate or impressing on a polymer layer on the surface of the substrate; and the second metal embedding layer is formed by coating the polymer layer on the surface of the first metal embedding layer through impressing, the first layer of conduction structure and the second layer of conduction structure have a grid groove structure, and conductive materials are filled in grooves. The single-sided graphical transparent conduction film provided by the invention has the advantages of high resolution and transmittance, independent and adjustable sheet resistance, and the like. According to the transparent conduction film, the cost can be reduced, and the weight and the thickness of a manufactured touch panel can be reduced.
Owner:ANHUI JINGZHUO OPTICAL DISPLAY TECH CO LTD
Light emitting film, luminescent device, method for manufacturing light emitting film and method for manufacturing luminescent device
InactiveUS20060170332A1High light-outgoing efficiencyHardness is easy to controlDischarge tube luminescnet screensLamp detailsPhosphorTransmittance
The present invention provides a reliable, long-life phosphor, or the like, which is prevented from darkening due to aging. A light emitting apparatus has a light emitting element and a phosphor layer. The phosphor layer has a phosphor excited by light from the light emitting element, and a binder which binds the phosphor. The binder is hydroxide oxide gel obtained by curing sol of a hydroxide oxide mixed with sol containing at least one metallic element selected from the group consisting of Al, Y, Gd, Lu, Sc, Ga, In, and B. Transmittance of hydroxide oxide in a gel state is higher than the transmittance in the polycrystal state where the sol-gel reaction is proceeded. In addition, the content of hydroxyl group or water of crystallization in the hydroxide oxide is 10% or less by weight.
Owner:NICHIA CORP
Transparent Planar Body and Transparent Touch Switch
ActiveUS20080138589A1Increase awarenessConductive layers on insulating-supportsDecorative surface effectsVisibilityTransmittance
The present invention provides a transparent planar body and a transparent touch switch that can improve visibility. Specifically, the transparent planar body (1) has a patterned transparent conductive film (12) on at least one surface of a transparent substrate (11). This transparent planar body (1) comprises a transmittance-adjusting layer for equalizing the transmission spectrum of light transmitted through a patterned region wherein the transparent conductive film (12) is provided via the transparent substrate (11) with that transmitted through a non-patterned region wherein the transparent conductive film (12) is not provided via the transparent substrate (11).
Owner:GUNZE LTD
Electrochromic devices and methods
A heat treated electrochromic device comprising an anodic complementary counter electrode layer comprised of a mixed tungsten-nickel oxide and lithium, which provides a high transmission in the fully intercalated state and which is capable of long term stability, is disclosed. Methods of making an electrochromic device comprising an anodic complementary counter electrode comprised of a mixed tungsten-nickel oxide are also disclosed.
Owner:SAGE ELECTROCHROMICS
Gallium-nitride based light emitting diode structure with enhanced light illuminance
InactiveUS20060038193A1High light transmittanceConvenient lightingSemiconductor devicesIlluminanceQuantum well
Disclosed is a multi-quantum-well light emitting diode, which makes enormous adjustments and improvements over the conventional light emitting diode, and further utilizes a transparent contact layer of better transmittance efficiency, so as to significantly raise the illuminance of this light emitting diode and its light emission efficiency. The multi-quantum-well light emitting diode has a structure including: substrate, buffer layer, n-type gallium-nitride layer, active light-emitting-layer, p-type cladding layer, p-type contact layer, barrier buffer layer, transparent contact layer, and the n-type electrode layer.
Owner:FORMOSA EPITAXY INCORPORATION +1
Vehicle rearview mirror assembly including a high intensity display
An inventive rearview assembly for a vehicle may comprise a mirror element and a display including a light management subassembly. The subassembly may comprise an LCD placed behind a transflective layer of the mirror element. Despite a low transmittance through the transflective layer, the inventive display is capable of generating a viewable display image having an intensity of at least 250 cd / m2 and up to 3500 cd / m2. The display includes a novel backlighting subassembly and novel optical components including a magnifying system, a depolarizer, a reflector, and a reflective polarizer. The display may be configured to display an image having edges contoured to correspond to the edges of the mirror element.
Owner:GENTEX CORP
Variable transmittance optical devices
ActiveUS20130278989A1Reduce solar heat gainReduce cooling loadAntiglare equipmentStatic indicating devicesThermal energyElectricity
A self-powered variable transmittance optical device, such as a smart window or other device, and associated method are provided. The device comprises one or more transparent substrates, with a switching material disposed thereon or therebetween. The switching material may be a hybrid photochromic / electrochromic material capable of transitioning from a first transmittance state to a second transmittance state with application of electricity, and from second state to first state due to another stimulus, such as UV radiation. Electrodes are coupled to the switching material for applying electricity. An electrical system provides for controllable application of the electricity, and may store energy. Energy is provided by an energy-harvesting power source such as a solar cell or other photovoltaic source, or array thereof, or another device for harvesting vibrational or thermal energy. Energy harvesting, energy storage capacity and / or switching material may be configured to provide at least a predetermined level of device operability.
Owner:SOLUTIA CANADA INC
Liquid crystal display in which at least one pixel includes both a transmissive region and a reflective region
InactiveUS6452654B2Effective lightingImprove display qualityStatic indicating devicesNon-linear opticsLiquid-crystal displayTransmittance
A liquid crystal display device according to the present invention includes a first substrate, a second substrate, and a liquid crystal layer interposed between the first substrate and the second substrate. The first substrate includes: a plurality of gate lines; a plurality of source lines arranged to cross with the plurality of gate lines; a plurality of switching elements disposed in the vicinity of crossings of the plurality of gate lines and the plurality of source lines; and a plurality of pixel electrodes connected to the plurality of switching elements. The second substrate includes a counter electrode. A plurality of pixel regions are defined by the plurality of pixel electrodes, the counter electrode, and the liquid crystal layer interposed between the plurality of pixel electrodes and the counter electrode, and each of the plurality of pixel regions includes a reflection region and a transmission region.
Owner:SHARP KK
Reagent-less whole-blood glucose meter
A reagentless whole-blood analyte detection system that is capable of being deployed near a patient has a source capable of emitting a beam of radiation that includes a spectral band. The whole-blood system also has a detector in an optical path of the beam. The whole-blood system also has a housing that is configured to house the source and the detector. The whole-blood system also has a sample element that is situated in the optical path of the beam. The sample element has a sample cell and a sample cell wall that does not eliminate transmittance of the beam of radiation in the spectral band.
Owner:OPTISCAN BIOMEDICAL
Touch panel and manufacturing method thereof
InactiveUS20090085885A1Improve visual effectsAvoid problemsInput/output processes for data processingColor shiftTransmittance
A touch panel and a manufacturing method thereof are provided. The touch panel has a double-layered sensing pad structure or a single-layered sensing pad structure. In the double-layered sensing pad structure, the sensing pads in each layer have corresponding dummy sensing pads in the other layer for compensating the difference of transmittance. In the single-layered sensing pad structure, the sensing pads are coplanar so that the problem of color shift can be overcome and the visual effect of the touch panel can be improved.
Owner:AU OPTRONICS CORP
High-efficiency multiple probe imaging system
InactiveUS6403947B1Improve efficiencyImprove transmittanceRadiation pyrometryNanoinformaticsPhysicsTransmittance
An imaging system is disclosed which provides means for obtaining images with essentially diffraction-limited spatial resolution, and can distinguish between several species of probes within a sample. It may be used with fluorescent, luminescent, up-converting reporter, quantum dot, and other types of probes. Two or more exposures are taken through a filter which expresses different filter states, one of which is preferably a relatively neutral state with high transmission for all wavelengths of interest, and the others of which provide predetermined variation in transmission that are preferably sloping or periodic in wavelength. The probe species is identified by the ratio of response at the various filter settings.
Owner:CAMBRIDGE RES & INSTR
Enhanced viewing experience of a display through localised dynamic control of background lighting level
ActiveUS20060125745A1Improve video viewing experienceEnhanced and modified visual experienceTelevision system detailsColor signal processing circuitsDisplay deviceEffect light
A method of controlling brightness, colour, hue, colour temperature, gamma response or contrast of at least one image for display on a multi-layer display device characterized by carrying out the steps of: receiving said at least one image(s) to be displayed, detecting the brightness, colour, hue, colour temperature, gamma response or contrast of said image(s) to be displayed, determining the transmissivity of each layer of the multi layer display device in the localized area of said image(s) to achieve the brightness, colour, hue, colour temperature, gamma response and / or contrast detected or received, communicating the determined transmissivity of each layer of the multi layer display device in the localized area of said image(s) to a display device or storage device. A software device designed to do the same and a display device which can be utilized to controlling brightness, colour, hue, colour temperature, gamma response or contrast of at least one image.
Owner:PUREDEPTH
Method for non-invasive spectrophotometric blood oxygenation monitoring
InactiveUS6456862B2Non-invasive determinationRadiation pyrometryScattering properties measurementsPresent methodVariable Characteristic
Owner:EDWARDS LIFESCIENCES CORP
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