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72results about How to "High contrast" patented technology
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Color/black-and-white switchable portable terminal and display unit
InactiveUS7038641B2Reduce power consumptionHigh contrastPower managementMechanical apparatusEngineeringInformation device
A display unit has a brightness equal to that in a conventional black-and-white reflection type and the power consumption is small at a standby time, and bright color display of high quality can be produced and power consumption is small at the time of use. An information device having this display unit, such as a portable phone, also is provided. The display unit has a color light emitting means, a reflecting mean of external light and a light polarizing state modulating means. The display unit has a driving method switching means for switching color light emitting display and reflection display by on / off control of the light emitting means and switching control of a driving method of a display element.
Owner:PANASONIC LIQUID CRYSTAL DISPLAY CO LTD +1
High contrast, low distortion optical acquisition system for image capturing
InactiveUS6917695B2High contrastLow distortionPrismsCharacter and pattern recognitionHigh contrastFingerprint
Disclosed is an apparatus for forming a high contrast image of a patterned object, such as a fingerprint, including a first lens having a light receiving surface and a viewing surface and a second lens adjacent to the viewing surface of the first lens. A light source projects incident light into the first lens between the viewing surface and imaging surface such that at least a portion of the incident light undergoes total internal reflection. In this way, an image of the patterned object is generated by substantially all scattered light from the imaging surface.
Owner:SECUGEN
Monomer, polymer, chemically amplified positive resist composition, and patterning process
ActiveUS20110294070A1High contrastHigh resolutionOrganic chemistryPhotosensitive materialsPolymer chemistryHigh resolution
A polymer is obtained from a hydroxyphenyl methacrylate monomer having an acid labile group substituted thereon. A positive resist composition comprising the polymer as a base resin has a very high contrast of alkaline dissolution rate before and after exposure, a high resolution, a good profile and minimal line edge roughness of a pattern after exposure, a retarded acid diffusion rate, and good etching resistance.
Owner:SHIN ETSU CHEM CO LTD
Image processing apparatus, imaging apparatus, image processing method and recording medium
ActiveUS20090310885A1Smooth gradationHigh contrastTelevision system detailsCharacter and pattern recognitionHigh contrastImaging equipment
Sharpness is calculated in all of focus-bracketed images on a pixel basis. Then, a first reference value indicating an image of the plurality of images to which a pixel whose sharpness is the highest among the pixels located on the identical positions in the plurality of images belongs is obtained on each pixel of the images, and a second reference value is calculated based on the first reference value on each pixel by spatially smoothing the first reference value on each pixel based on the first reference values on adjacent pixels. The focus-bracketed images are processed based on the second reference values to generate an omni-focus image or a blur-enhanced image. Accordingly, it is possible to judge a region having high contrast as an in-focus region and acquire a synthesized image having smooth gradation.
Owner:FUJIFILM CORP
Self light emitting display device
ActiveUS7034451B2High contrastPrivacy be keepDischarge tube luminescnet screensElectroluminescent light sourcesDisplay deviceContrast ratio
Provided is a technique for producing a double-sided display device using a self light emitting display element in which a thickness thereof is small, a contrast is high, and a privacy is kept. A first polarization layer and a second polarization layer are provided so as to sandwich the self light emitting display element and it is set such that the transmission axis of the first polarization layer and the transmission axis of the second polarization layer are orthogonal to each other.
Owner:DAWNCREST IP LLC
Elliptical Polarizer and Vertical Alignment Type Liquid Crystal Display Device Comprising the Same
InactiveUS20100026936A1High contrastBrighter imagePolarising elementsNon-linear opticsPolarizerOptical anisotropy
An elliptical polarizer with excellent viewing angle characteristics is provided which comprises at least a first polarizer, a first optical anisotropic layer, a second optical anisotropic layer, and a third optical anisotropic layer, laminated in this order, wherein the first optical anisotropic layer satisfies [1] 50≦Re1≦500, the second optical anisotropic layer satisfies [2] 0≦Re2≦20 and [3]−500≦Rth2≦−30, and the third optical anisotropic layer satisfies [4] 100≦Re 3≦180 wherein Re and Rth indicate the retardation values in the plane and thickness direction, respectively, of each of the optical anisotropic layers.
Owner:NIPPON OIL CORP
Inner type touch panel, process for producing the same and display unit
InactiveUS7190354B2High contrastImprove scuff resistance and visibilityCathode-ray tube indicatorsNon-linear opticsTouch panelElectrically conductive
A touch panel comprising: a cellulose film provide with a hard coat layer having a pencil hardness of 2H or more; a polarizing film; a retardation plate; a first transparent conductive film; a second transparent conductive film; and a substrate, in this order, wherein the first and second transparent conductive films are provided so as to face to each other, and the cellulose film, the hard coat layer, the polarizing film, the retardation plate and the first transparent conductive film define a movable substrate.
Owner:FUJIFILM CORP
X-ray ct apparatus and image processing apparatus
ActiveUS20090122953A1Improve S/NHigh contrastMaterial analysis using wave/particle radiationRadiation/particle handlingPhysicsImage segmentation
An X-ray CT apparatus includes an X-ray radiation unit which applies a first X-ray having a first energy spectrum and a second X-ray having a second energy spectrum different from the first energy spectrum to a subject, an X-ray data acquisition unit which acquires first X-ray projection data of the subject based on the first X-ray and second X-ray projection data of the subject based on the second X-ray, and an image reconstruction unit which determines information about a difference between the first X-ray and the second X-ray with respect to an image of the subject, segments the image into at least two pixel areas based on the difference information, and sets part of the segmented pixel areas to a dual energy image obtained by a weighted subtraction process based on X-ray projection data having a plurality of energy spectrums.
Owner:GE MEDICAL SYST GLOBAL TECH CO LLC
Device and method for adjusting a position of an eyeglass lens relative to the position of a pupil
InactiveUS20060044509A1High contrastClearSpectales/gogglesEye diagnosticsWavelength rangeLight source
An apparatus and a method are used for adapting a position of at least one spectacle lens of a spectacle relative to the position of a pupil of an eye of a person, the eye being associated to the spectacle lens. The apparatus comprises an illuminating device for an eye area of the person wearing a spectacle frame that is not yet fitted with lenses. Further, at least one camera for generating an image of the eye area is provided. The position of the pupil within the image is marked. The illuminating device has at least one light source operating within a wavelength range the light of which being reflected by the retina of the eye at a high ratio of reflection. The camera in its sensitivity is optimized to the wavelength of the light emitted by the light source.
Owner:CARL ZEISS VISION INT GMBH
Image shifting device, image display, liquid crystal display, and projection image display
InactiveUS20050105016A1High response speedHigh contrastTelevision system detailsPicture reproducers using projection devicesProjection imageVoltage
The invention provides an image shifting device including at least one image shifting part for periodically shifting the position of an optical axis. The image shifting part includes a liquid crystal device 10 for switching a polarization direction of light between two orthogonal directions in accordance with High / Low level of an applied voltage, and a birefringent device 11 having different refractive indexes depending upon the polarization direction of the light. The liquid crystal device 10 and the birefringent device 11 are disposed to transmit light in this order. A liquid crystal layer included in the liquid crystal device 10 is made of a TN liquid crystal layer that satisfies a relationship formula of 0.25<d / p<1, wherein a natural pitch length is indicated by p and a cell gap is indicated by d, and is disposed to be twisted at 90° within the liquid crystal cell.
Owner:SHARP KK
Systems for spectral multiplexing of source images including a textured source image to provide a composite image, for rendering the composite image, and for spectral demultiplexing of the composite image
ActiveUS7130488B2High contrastIncrease contrastColor television with pulse code modulationColor television with bandwidth reductionNarrow bandImage content
Methods and apparatus for spectrally-encoding plural source images and for providing the spectrally-encoded plural source images in a composite image, for rendering the composite image on a substrate, or for recovering at least one of the encoded source images from the rendered composite image such that the recovered source image is made distinguishable. At least one of the source images includes image content in the form of a textured image. When the rendered composite image is subjected to illumination by one of the narrow band illuminants for which a source image was encoded, the textured image in the recovered source image becomes visually detectable.
Owner:XEROX CORP
Signal processing unit and liquid crystal display device
InactiveUS7167214B2High contrastImprove visibilityTelevision system detailsColor signal processing circuitsLiquid-crystal displaySignal processing
A signal processing unit in a liquid crystal display device, etc., includes a brightness component appearance frequency measuring unit that measures an appearance frequency of each brightness component in a video signal; a parameter outputting unit that outputs a distribution of each brightness component, as a parameter, based on the appearance frequency of each brightness component measured by the brightness component appearance frequency measuring unit; a changing signal outputting unit that alters an input signal recorded in a recording unit, by using the parameter, and that outputs the input signal as a changing signal; and a brightness component changing unit that changes a distribution of each brightness component, by using the changing signal, and that outputs the video signal in which the distribution of each brightness component is changed.
Owner:FUJITSU LTD
Light diffusing plate, liquid crystal display apparatus and rear projection apparatus
InactiveUS6897911B2Excellent light diffuse capabilityHigh contrastDiffusing elementsNon-linear opticsMicrolensLiquid-crystal display
The light diffusing plate includes a lens substrate, a plurality of microlenses disposed on a surface of the lens substrate, a plurality of light exit areas, each having a circular or rectangular form a center of which is coincident with an optical axis of the microlens, and a light shield layer formed on another surface of the lens substrate, and covering other area than the light exit areas. When n and t are a refractive index and a thickness of the lens substrate, respectively, and C (R; diameter, A, B; sides of rectangle) is a size of light exit area, a size of the microlens Sr satisfies the following formula in the light diffusing plate: Sr≧2t×tan θ+C (with the proviso that θ=sin−1(1 / n)). Or, a form of the microlens in the light diffusing plate is a part of an ellipsoid shown in the following formula X2 / a2+y2 / a2+z2 / c2=1 (x and y represent axis on the surface of the lens substrate, z represents the optical axis), it's eccentricity ε is shown in the following formula ε=(c2−a2)1 / 2 / c=1 / n and it's far focal point is coincident with a position of the light exit area. The liquid crystal display apparatus and the rear projection apparatus use the light diffusing plate.
Owner:FUJIFILM CORP +1
Semi-transmissive liquid crystal display panel
InactiveUS20070070273A1High contrastSatisfactory image qualityNon-linear opticsLiquid-crystal displaySignal lines
An semi-transmissive liquid crystal display panel is provided with a first substrate divided into sections by signal lines and scan lines arranged so as to form a matrix, each section having a switching element and a pixel electrode, the pixel electrode having transmissive and reflective portions. Here, at least the reflective portion of the first substrate has an interlayer film formed therein for separating the pixel electrode and the switching element, and a reflecting layer located below the pixel electrode, the reflecting layer has a notch portion at the edge thereof, and the pixel electrode formed in the reflective portion is electrically connected to an electrode of the switching element via a contact hole that is formed through the interlayer film in a part thereof corresponding to the notch portion.
Owner:JAPAN DISPLAY WEST
Method for controlling brightness of image subarea
InactiveCN1971696AHigh contrastImprove qualityColor signal processing circuitsCathode-ray tube indicatorsLiquid-crystal displayBrightness perception
The invention discloses a controlling method for the image partition brightness. Firstly inputs a display image; then the display image is divided into several blocks and the average brightness of every block is calculated, control the related block brightness according to the average brightness of every block, build an enquiry form to store several chromatic value and several weighted chromatic value, the form is built in the display, the brightness of every block could be controlled according to the form; the invention also can be used to control the brightness of light-emitting diode in a backlight module.
Owner:AU OPTRONICS CORP
Laminated composite, information recording medium, and member of imparting forgery-preventing characteristic
InactiveUS6955839B2High contrastEasily recognizeLiquid crystal compositionsOther printing matterLiquid crystallineVisual observation
According to the present invention, there is provided a laminated composite including an optical layer having a light reflectivity, and a latent image formation layer containing a liquid crystalline polymer material and provided on one of major surfaces of the optical layer, wherein the latent image formation layer includes at least one oriented portion in an orientation state and at least one non-oriented portion in a non-orientation state, and the oriented and non-oriented portions constitute a latent image which is unrecognizable by a direct visual observation and recognizable by a visual observation through a polarizing member. Also, according to the present invention, there is provided an information recording medium and a member of imparting a forgery-preventing characteristic including such a latent image formation layer.
Owner:TOPPAN PRINTING CO LTD
Multi-steady state liquid crystal display and driving way thereof
InactiveCN101710214AHigh contrastReduce the driving voltageStatic indicating devicesNon-linear opticsDisplay contrastContrast ratio
The invention relates to a multi-steady state display and a method. The display comprises a first substrate, a second substrate, a first electrode, a second electrode and a liquid crystal layer, wherein the first substrate is parallel to the second substrate; the first electrode is arranged on the first substrate; the second electrode is arranged at the side of the second substrate, facing to the first substrate; and at least one of the first electrode and the section electrode comprises a grid electrode; and the liquid crystal layer contains smectic liquid crystal molecules. The invention adopts a special electrode design, effectively improves the display contrast ratio and also has the multi-steady state display effect.
Owner:HUAYING OPTOELECTRONICS
Polarizing film, display device and production process thereof
ActiveUS20130070899A1High contrastHigh dichroismLiquid crystal compositionsMonoazo dyesLight absorbanceLiquid crystalline
A polarizing film comprising a substrate, and a photo alignment film and a light absorption anisotropic film laminated on the substrate in this order, wherein the light absorption anisotropic film has a content ratio of 30% by mass or less of a liquid crystalline non-colorable low molecular weight compound and is obtained by fixing the alignment of a dichroic dye composition comprising at least one nematic liquid crystalline azo dichroic dye; in X-ray diffraction measurement thereof, diffraction peaks derived from periodic structure along a vertical direction to the alignment axis are present, the period indicated by at least one of the diffraction peaks is 3.0 to 15.0A and an intensity of the diffraction peak does not show a maximum value in the range of ±70° of the film normal line direction in a plane vertical to the alignment axis.
Owner:FUJIFILM CORP
Light emitting device assembly and headlamp including the same
ActiveUS20120294025A1High contrastReduce light emissionVehicle headlampsVehicle lighting systemsPhysicsHigh contrast
An LED assembly according to an embodiment of the present invention may improve dark regions generated between LED chips by employing a first reflective layer between the LED chips. By employing a transparent optical layer or an optical layer including a scattering particle between an LED chip and a phosphor layer, direct contact between the LED chip and the phosphor layer may be avoided, thereby preventing a low light extraction efficiency. Further, by employing a second reflection layer on side surfaces of an LED chip, an optical layer, and a phosphor layer, a relatively high contrast may be obtained. An LED assembly may enhance contrast through a reflective layer while increasing light extraction efficiency by including a scattering particle in a phosphor layer.
Owner:SAMSUNG ELECTRONICS CO LTD
El functional film el element
InactiveUS20070013300A1High brightnessHigh contrastDischarge tube luminescnet screensElectroluminescent light sourcesElectron dopingEngineering
An EL element 1 comprises EL functional layers 6, 10 comprising Ga2O3:Eu between a thick film insulator layer 16 and an upper electrode 12 provided on a substrate 2 on which a lower electrode 4 was formed and a light-emitting layer 8 comprising MgGa2O4 formed therebetween. The EL functional layers 6, 10 have the dual functions of insulating layers and electron doping layers. Due to this, the EL element 1 has a low drive voltage and high light-emitting brightness, and the structure of the EL element is simplified.
Owner:IFIRE IP CORP
Method for enhancing images of non-uniform brightness
InactiveUS20060033825A1High contrastNon uniformity of brightness and colorImage enhancementTelevision system detailsBrightness perceptionGain function
The present invention relates to a method for enhancing images of non-uniform brightness. In the invention, a surround function is developed to analyze relationship of individual pixel brightness to that of surrounding pixels in an image. This brightness information is then used to set a gain function to decide the required adjustments on the values of RGB (red, green and blue) color channels of each pixel. The final value of a pixel is the sum of the adjusted values of R, G and B channels. The present method is capable of imitating human vision and adaptively adjusting brightness in every region of an image while preserving the color consistency.
Owner:LI KEH TSONG +3
Liquid crystal display device and electronic apparatus
InactiveUS20080136982A1Simple structureHigh contrastStatic indicating devicesNon-linear opticsLiquid-crystal displaySignal lines
A semi-transmission liquid crystal display device of an in-plane switching mode includes M scanning signal lines, N video signal lines, switching elements, and a unit display area. The unit display area includes a first pixel electrode and a first counter electrode, a first storage capacitor, a second pixel electrode and a second counter electrode, and a second storage capacitor. A first voltage V1 is applied to the first counter electrode. A second voltage V2 is applied to the second counter electrode. When a higher one of the voltages V1 and V2 is represented as Hi (V1,V2) and a lower one of the voltages V1 and V2 is represented as Low (V1,V2), a third voltage equal to or lower than Hi (V1,V2) and equal to or higher than Low (V1,V2) is applied to the first pixel electrode and the second pixel electrode on the basis of an operation of the switching elements.
Owner:JAPAN DISPLAY INC
Negative resist material and pattern formation method using the same
InactiveUS6861198B2High contrastHigh sensitivityX-ray/infra-red processesPhotosensitive materialsLight exposureImage resolution
A negative resist material, which comprises at least a high polymer containing repeating units represented by the following general formula (1) and having a weight average molecular weight of 1,000 to 500,000. There is provided a negative resist material, in particular, a negative resist material of chemical amplification type, which shows high sensitivity, resolution, exposure latitude and process adaptability as well as good pattern shape after light exposure, and further shows superior etching resistance.
Owner:SHIN ETSU CHEM CO LTD
Liquid crystal display device and manufacturing method thereof
InactiveUS20050218376A1High contrastSuperior displayLiquid crystal compositionsThin material handlingChemistryLiquid-crystal display
A liquid crystal display device, comprising: a liquid crystal layer comprising a cholesteric liquid crystal and a self-organizing type gelling agent, and a manufacturing method thereof, comprising: spreading a cholesteric liquid crystal containing a gelling agent in a heated state over at least one of substrates to form a liquid crystal layer, or a manufacturing method thereof, comprising: spreading a cholesteric liquid crystal that contains a gelling agent and exhibits flowability at room temperature over at least one of substrates to form a liquid crystal layer.
Owner:KONICA MINOLTA HOLDING INC
System and method for direct saturation-corrected chemical exchange saturation transfer (disc-cest)
ActiveUS20190011516A1High contrastReduce data acquisition timeMeasurements using NMR imaging systemsWater saturationSaturation transfer
A system and method is provided that includes acquiring chemical exchange saturation transfer (CEST) data with the MRI system and generating an acquired Z-spectrum (Z) from the CEST data. The system and method also includes computing an estimated direct water saturation (Z′) based using at least one of relaxation measurements derived from the CEST data or imaging parameters used to acquire the CEST data with the MRI system, computing a direct saturation corrected Z-spectrum (ΔZ) using the acquired Z-spectrum (Z) and the estimated direct water saturation (Z′), and generating a CEST image of the subject using the direct saturation corrected Z-spectrum (ΔZ).
Owner:THE GENERAL HOSPITAL CORP
Liquid crystal display element
InactiveUS20140313468A1Decrease in contrastHigh contrastLiquid crystal compositionsNon-linear opticsElectric fieldChemistry
A ferroelectric liquid crystal composition having a chiral smectic C-phase is disposed as a liquid crystal composition layer between a first substrate and a second substrate arranged between two polarizing plates of which the planes of polarization are orthogonal to each other. The substrates are provided with vertically oriented films, respectively, and at least one of them is provided with orientation treatment that can form a pretilt angle in a certain direction. The C-director of the liquid crystal molecule is oriented in the certain direction at a portion being in contact with the substrate provided with the orientation treatment and is twisted by at least 180° between the first substrate and the second substrate. At least one of the substrates is provided with a pair of electrode structures generating electric fields approximately parallel to each other.
Owner:DAINIPPON INK & CHEM INC
Distinguishing and identification method of natural earthquake and manual explosion
InactiveCN108021922ABrightnessHigh contrastCharacter and pattern recognitionSpecial data processing applicationsLongitudeFlat panel display
Owner:GUANGXI NORMAL UNIV
Color splitting/combining optical system and image projecting apparatus
InactiveUS7137704B2Reduce leakage light amountHigh contrastProjectorsPolarising elementsWaveplateLength wave
A color splitting / combining optical system includes a first optical member for color splitting and a second optical member which has a polarization splitting surface for color splitting / combining, a third optical member for color combining a first color-selective wave plates and a second color-selective wave plate. The first and second color-selective wave plates convert the polarization direction of light in a first and second wavelength regions respectively by 90 degrees. The optical system satisfies λ1≠λ2, where λ1 and λ2 represent wavelengths in which the ratio of the light component having the polarization direction converted by 90 degrees by the first and second color-selective wave plates respectively become substantially 50%.
Owner:CANON KK
Producing method of wired circuit board
ActiveUS20100263206A1Well-balancedHigh contrastPrinted circuit assemblingLine/current collector detailsReflectivityPrinted circuit board
A producing method of a wired circuit board includes the steps of preparing the wired circuit board, placing the wired circuit board on a support table, and applying light from above the wired circuit board toward the wired circuit board, and sensing pattern reflected light, table reflected light and foreign-matter reflected light to inspect the conductive pattern and the foreign matter based on a contrast therebetween. In the step of inspecting the conductive pattern and the foreign matter, a reflectance of the table reflected light is in a range of 25 to 55%, and a reflectance of the foreign-matter reflected light is in a range of not more than 10%.
Owner:NITTO DENKO CORP
Pigment composition for color filter
InactiveUS20100044652A1High contrastHigh brightnessOptical filtersOrganic dyesHigh contrastCopper phthalocyanine
The present invention relates to a pigment composition or pigment dispersion suitable for producing a blue pixel portion of a color filter used in a liquid crystal display device, and also relates to a color filter.An object of the present invention is to obtain a color filter having a blue pixel portion capable of achieving a liquid crystal display device, which has a high contrast for making the images on the display screen even sharper and has a high brightness for making the display screen even brighter, and to provide a pigment composition or pigment dispersion for obtaining the color filter.The object can be achieved by the pigment composition or pigment dispersion for color filters characterized by containing a copper phthalocyanine sulfamoyl compound substituted with a sulfamoyl group having a specific polyalkylene oxide group, and a blue organic pigment.According to the present invention, it is possible to provide a color filter having a blue pixel portion capable of achieving a liquid crystal display device that exhibits high contrast and high brightness.
Owner:DAINIPPON INK & CHEM INC
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