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80results about How to "Difference in brightness" patented technology
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Vehicular headlamp
InactiveUS20090046474A1Simple and compact and low-cost structureDifference in brightnessPoint-like light sourcePortable electric lightingDistribution controlDistribution pattern
A vehicular headlamp includes at least one a light source irradiating visible light and a lens allowing the visible light from the light source to pass through to forward of a vehicle. The light source and the lens are mounted in a rotating element. Alternatively, the vehicular headlamp includes at least one a light source irradiating visible light, and a mirror mounted on a rotating element and arranged to reflect the visible light from the at least one light source to forward of a vehicle. The vehicular headlamp also includes a scanning actuator for reciprocatingly rotating the rotating element so as to form a light distribution pattern forward of the vehicle and a light distribution control portion for controlling the scanning actuator such that a portion of the light distribution pattern is relatively bright.
Owner:KOITO MFG CO LTD
Display device, method for driving the same, and electronic apparatus
InactiveUS20080111766A1Influence on image quality in a display deviceCorrection of mobilityElectrical apparatusStatic indicating devicesCapacitanceDisplay device
A display device includes a pixel array unit and a peripheral circuit unit. The pixel array unit includes first scanning lines arranged in rows; second scanning lines arranged in rows; signal lines arranged in columns; and pixels arranged in a matrix pattern at intersections of the scanning lines and the signal lines. The peripheral circuit unit includes a first scanner to supply first control pulses to the first scanning lines; a second scanner to supply second control pulses to the second scanning lines; and a signal driver to supply video signals to the signal lines. Each of the pixels includes at least a sampling transistor; a driving transistor; an emission time controlling transistor; a holding capacitance; and a light-emitting element.
Owner:SONY CORP
Optical dna sensor, dna reading apparatus, identification method of dna and manufacturing method of optical dna sensor
InactiveUS20060014151A1Small sizeReduce sensitivityBioreactor/fermenter combinationsBiological substance pretreatmentsFluorescenceNucleotide sequenc
The advantage is to provide a DNA reading apparatus which can sense fluorescence even if the sensitivity of a CCD image sensor or a photomul is low and can be constructed in a compact size. An optical DNA sensor having: a solid imaging device, and a plurality types of DNA probe each including nucleotide sequence and being arrayed and fixed on a surface of the solid imaging device.
Owner:CASIO COMPUTER CO LTD
Linear fresnel lens sheet, transmissive display device and roll-shaped mold for producing linear fresnel lens sheet
ActiveUS20150124315A1Improve and reduce in brightnessEffectively prevent deterioration in quality of display imageDiffusing elementsConfectioneryFresnel lensDisplay device
A linear Fresnel lens sheet (3) includes: a lens layer (10) having a first surface (11) in which a linear Fresnel lens portion (13), having a number of lens surfaces (14) arranged in a first direction d1, is formed, and a second surface (12) opposite the first surface (11); and a diffusion layer (20) disposed on the side of the second surface (12) of the lens layer (10).
Owner:DAI NIPPON PRINTING CO LTD
Tiled display panel and tiled display device
ActiveUS20180052312A1Difference in brightnessReduce brightness differencePrismsDiffusing elementsDisplay deviceEngineering
A tiled display panel and a tiled display device are disclosed. The tiled display panel includes: at least first and second adjacent display areas; a splice area disposed between the first and second adjacent display areas; a first optical element and a second optical element respectively disposed on the first and second display areas and located on two sides of the splice area; and a reflective element disposed on the splice area. Each of the first optical element and the second optical element is configured to direct at least a portion of light emitted from its respective display area to the reflective element, such that the at least a portion of light is reflected by the reflective element and then emitted out from the splice area.
Owner:BOE TECH GRP CO LTD +1
Wafer inspection system and method thereof
ActiveUS20050282299A1Cancel noiseDifference in brightnessImage enhancementImage analysisElectrical testing
A wafer inspection system includes an electrical testing part to control a probe to be in contact with a pad of a wafer to perform a predetermined electrical test, a defect detecting part to detect a defect in the wafer passing through the electrical test, a defect sorting part to sort the defect detected in the defect detecting part by an in-line method, and a defective determining part to determine whether the wafer is a defective according to a sorting result of the defect sorting part. The wafer inspection system and a method thereof can determine the kinds of the defect in the wafer during a fabricating procedure, so that it is possible to instantly and correctly determine whether the die on the wafer is a defective.
Owner:SAMSUNG ELECTRONICS CO LTD
Module for liquid crystal display apparatus and liquid crystal display apparatus comprising the same
ActiveUS20160026022A1Good compensationReduce brightness differenceNon-linear opticsOptical elementsPolyesterLiquid-crystal display
An LCD module includes an LCD panel, and a polarizing plate formed on each of the upper and lower surfaces of the LCD panel. The polarizing plate includes a polarizer and a polyester film formed on at least one surface of the polarizer. The polyester film has a difference between the index of refraction in the x-axis direction and the index of refraction in the z-axis direction (nx−nz) of about 0.1 to about 0.18, where nx and nz are the indices of refraction in the x-axis and z-axis directions, respectively, at a wavelength of 550 nm. The LCD module has a CR 45° and a CR 135° of about 1.0% or greater.
Owner:SAMSUNG SDI CO LTD
Multiple lens imaging apparatuses, and methods and programs for setting exposure of multiple lens imaging apparatuses
ActiveUS20080106634A1Reduce the differenceEasy to set upTelevision system detailsColor television detailsCamera lensExposure value
When an exposure value calculated according to a result of photometric measurement for predetermined main imaging units among a plurality of imaging units is used for setting exposure of the main imaging units and sub-imaging units other than the main imaging units, judgment is carried out as to whether an image or images obtained in photography with the sub-imaging units by setting the exposure thereof according to the exposure value is / are saturated. In the case where a result of the judgment is affirmative, any one of the sub-imaging units having obtained the saturated image or images is designated as new main imaging units. The exposure value is calculated newly, and the exposure is set for the new main imaging units and for new sub-imaging units other than the new main imaging units.
Owner:FUJIFILM CORP
Organic light emitting display device
InactiveUS20100102713A1Minimizing and reducing voltage differenceSimple structureDischarge tube luminescnet screensSemiconductor/solid-state device detailsDisplay deviceOptoelectronics
Embodiments of the present invention provide an organic light emitting display device including: a plurality of light emitting elements on a first substrate, each of the plurality of light emitting elements including a first electrode and an organic light emitting layer, and a second electrode on the plurality of light emitting elements; a second substrate facing the first substrate with the plurality of light emitting elements therebetween; spacers on the second substrate corresponding to portions of the second electrode, the portions located on spaces between the plurality of light emitting elements; and an auxiliary electrode on the spacers and contacting the second electrode.
Owner:SAMSUNG MOBILE DISPLAY CO LTD
Display apparatus and method for driving same
InactiveUS20100194735A1Avoid disagreementDifference in brightnessCathode-ray tube indicatorsDigital storageActive matrixEngineering
In one embodiment of the present invention, an active matrix display apparatus includes a screen having a plurality of regions each provided with a gate driver, in each of which plurality of regions scanning lines are driven so as to be sequentially selected by use of timing of a gate clock signal supplied to the gate driver, wherein corresponding ones of the gate clock signals for some of the plurality of regions have respective different pulse widths. Thus, it is possible to realize a display apparatus including a screen having a plurality of regions, in which display apparatus a difference in brightness between ones of some of the plurality of regions can be prevented.
Owner:SHARP KK
Backlight module and display device
ActiveUS8235541B2Improve display qualityDifference in brightnessLighting support devicesElectric lightingElectricityDisplay device
A backlight module including a circuit board, at least one first light emitting diode (LED) device, at least one second LED device, and a reflection device is provided. The first and second LED devices are disposed on a carrying surface of the circuit board and electrically connected to the circuit board. The brightness of the first LED device is greater than that of the second LED device. The reflection device is disposed on the circuit board and exposes the first and second LED devices. The reflection device has at least one first reflection region disposed around the first LED device and at least one second reflection region disposed around the second LED device. The reflection ratio of the first reflection region opposite to the light-emitting energy of the first LED device is smaller than that of the second reflection region opposite to the light-emitting energy of the second LED device.
Owner:AMTRAN TECH CO LTD
Organic light emitting diode display device and organic light emitting diode thereof
ActiveUS20170084875A1Minimize difference in brightnessLight extraction efficiency can be improvedSolid-state devicesSemiconductor/solid-state device manufacturingDisplay deviceLight-emitting diode
There is provided an organic light emitting diode display device. The organic light emitting diode display device includes a substrate divided into an emission area and a non-emission area, an overcoating layer disposed on the substrate and including a plurality of micro lenses, a plurality of first electrode patterns disposed on the overcoating layer and spaced away from each other in the emission area, an organic emission layer disposed on the plurality of first electrodes, and a second electrode disposed on the organic emission layer.
Owner:LG DISPLAY CO LTD
Sample surface observation method
InactiveUS20090090863A1Easy to detectDifference in brightnessMaterial analysis using wave/particle radiationSemiconductor/solid-state device testing/measurementConductive materialsSurface structure
A surface of a sample is observed by acquiring an image of the surface of the sample. An electron beam I irradiated onto the surface of the sample in which wiring including an insulation material and an electrically conductive material is formed. Electrons that acquired structure information regarding a structure of the surface of the sample are detected. An image of the surface of the sample is acquired by a result of the detection of electrons. The surface of the sample is observed using the acquired image of the surface of the sample. The electron beam is irradiated onto the surface of the sample in a state where a brightness of the insulation material and a brightness of the electrically conductive material in the image of the surface of the sample are set equal to each other.
Owner:EBARA CORP
Vehicular headlamp
InactiveUS7575352B2Simple and compact and low-cost structureDifference in brightnessPoint-like light sourcePortable electric lightingDistribution controlDistribution pattern
A vehicular headlamp includes at least one a light source irradiating visible light and a lens allowing the visible light from the light source to pass through to forward of a vehicle. The light source and the lens are mounted in a rotating element. Alternatively, the vehicular headlamp includes at least one a light source irradiating visible light, and a mirror mounted on a rotating element and arranged to reflect the visible light from the at least one light source to forward of a vehicle. The vehicular headlamp also includes a scanning actuator for reciprocatingly rotating the rotating element so as to form a light distribution pattern forward of the vehicle and a light distribution control portion for controlling the scanning actuator such that a portion of the light distribution pattern is relatively bright.
Owner:KOITO MFG CO LTD
Display apparatus and control method of the same
InactiveUS20090303391A1Decrease motion blurReduce motion blurTelevision system detailsStatic indicating devicesDisplay deviceBrightness perception
A display apparatus includes: a display unit which displays an image; and a signal controller which determines a motion state of a current frame on the basis of a previous frame and the current frame input in sequence, generates a first sub-frame of which brightness is varied according to the motion state of the current frame, generates at least one second sub-frame to compensate the brightness of the first sub-frame on the basis of the first sub-frame and the current frame, and controls the first sub-frame and the second sub-frame to be displayed on the display unit in sequence.
Owner:SAMSUNG ELECTRONICS CO LTD
Lamp assembly for liquid crystal display device
InactiveUS6922016B2Improve lighting efficiencyMinimizes brightness differenceLighting support devicesPoint-like light sourceLiquid-crystal displayEngineering
A lamp assembly for a liquid crystal display device includes a lamp tube for generating light, and electrodes each having a suitable shape for receiving end portions of the lamp tube. The lamp tube and the electrodes are combined to generate the light by applying electric power to the electrodes. The lamp assembly may include multiple lamp tubes having different brightness from each other, in which the brightness difference between the lamp tubes is compensated by uniformly diffusing the light generated from the lamp tubes.
Owner:SAMSUNG DISPLAY CO LTD
Printing Apparatus
InactiveUS20130208035A1Improve textureBrightness difference becomes highUsing optical meansPrintingComputer scienceMechanical engineering
Owner:SEIKO EPSON CORP
Backlight assembly with improved brightness uniformity and display apparatus having the same
ActiveUS20100046202A1Reduce thicknessImprove brightness uniformityLighting applicationsGlobesDiffusionEngineering
A backlight assembly and a display apparatus having the backlight assembly are disclosed. A diffusion plate is provided above a plurality of lamps. Diffusion patterns that cause contrast inversion and diffusion patterns that do not cause contrast inversion are arranged on a surface of a diffusion plate, in an alternating manner along a longitudinal direction of the lamps. Thus, a brightness difference between a first area in which the lamps are positioned and a second area between two adjacent lamps is reduced, thereby improving a brightness uniformity of light from the backlight assembly.
Owner:SAMSUNG DISPLAY CO LTD
Display device and multi display device
ActiveUS10409544B2Reduce the temperatureDecrease in display luminanceTelevision system detailsAdvertisingTemperature controlDisplay device
Owner:LG ELECTRONICS INC
Organic light emitting diode display device and organic light emitting diode thereof
ActiveUS9991320B2Minimize difference in brightnessImprove extraction efficiencySolid-state devicesSemiconductor/solid-state device manufacturingDisplay deviceLight-emitting diode
There is provided an organic light emitting diode display device. The organic light emitting diode display device includes a substrate divided into an emission area and a non-emission area, an overcoating layer disposed on the substrate and including a plurality of micro lenses, a plurality of first electrode patterns disposed on the overcoating layer and spaced away from each other in the emission area, an organic emission layer disposed on the plurality of first electrodes, and a second electrode disposed on the organic emission layer.
Owner:LG DISPLAY CO LTD
Image display apparatus and driving method thereof
InactiveUS7903050B2Difference in brightnessLower impedanceTelevision system detailsLighting and heating apparatusImaging qualityVoltage drop
In a conventional image display apparatus, since display load ratios for respective lines are different, voltage drop amounts are also different and a difference in brightness occurs in spite of giving the same inputted luminance signal, so that image quality of display image is degraded. In the case where signals at the same luminance level are inputted and displayed, for a pixel on a display panel, an ON pattern of a subfield in one field is changed when a line load ratio of a line including the pixel is changed. That is, an image display apparatus using a display panel having a plurality of pixels is configured so as to include, for each of the plurality of pixels connected to one driving electrode, a load calculating means that calculates the load ratio and a luminance correcting means that calculates a drop amount in luminance level of an inputted video signal for correction.
Owner:MAXELL HLDG LTD
Display device and electronic apparatus
ActiveUS20140035802A1Suppress in image qualityInhibit deteriorationStatic indicating devicesSteroscopic systemsLuminous intensityLight guide
A display device includes a backlight unit, a light guiding plate which is overlappingly arranged on an optical panel, light emitting elements which are arranged on the side surface of the light guiding plate, and a light source driving unit which drives the light emitting elements. The light source driving unit intermittently turns on all of the light emitting elements when displaying a 3D image on the optical panel. In contrast to this, when displaying a 2D image on the optical panel, each light emitting intensity of the light emitting elements in a part of rows is set to be the same as that in a 3D mode, and each light emitting intensity of the light emitting elements in a part of rows other than that is set to be lower than that in the 3D mode.
Owner:138 EAST LCD ADVANCEMENTS LTD
Display apparatus including sub-light source groups
ActiveUS20110037685A1Decrease brightness differenceReduce defectStatic indicating devicesOptical light guidesLight sourceBrightness perception
A display apparatus includes; a display panel which displays an image using a light, wherein the display panel is divided into a plurality of display areas corresponding to the image, a plurality of main-light source groups which each have a plurality of light sources, wherein the main-light source groups are arranged respectively corresponding to the display areas to provide the light thereto, a power source circuit is connected to each main-light source groups to provide a corresponding driving power to each of the main-light source groups, and a plurality of sub-light source groups, each of which is arranged between two adjacent main-light source groups and wherein each sub-light group receives the driving power applied to each of the two main-light source groups adjacent thereto to provide a light corresponding to an average brightness of the two adjacent main-light source groups to a border area between two adjacent display areas.
Owner:SAMSUNG DISPLAY CO LTD
Image processing apparatus capable of properly emphasizing differences in brightness between bright spots, image processing method, and storage medium
ActiveUS20160117803A1Difference in brightnessImage enhancementTelevision system detailsImaging processingSky
A technique that makes it possible to obtain a natural photographed image which does not give a feeling of strangeness and emphasizes differences in brightness between bright stars and low-brightness stars, without depending on a photographic scene. In a case where photographing the starry sky, the number of bright spots is detected from a picked-up image, and image processing performed on the picked-up image is controlled to at least blurring processing or edge emphasis processing or neither the blurring processing nor the edge emphasis processing, according to the number of detected bright spots.
Owner:CANON KK
Plasma display apparatus and driving method thereof
InactiveUS20050259040A1Difference in brightnessCathode-ray tube indicatorsInput/output processes for data processingEngineeringPlasma display
The present invention relates to a plasma display apparatus and driving method thereof. According to the present invention, the plasma display apparatus includes a plasma display panel in which scan electrodes and sustain electrodes are formed, and a scan driving unit that applies a scan voltage and a sustain voltage whose absolute values are the same to the scan electrodes, wherein the sustain electrodes are kept to the ground.
Owner:LG ELECTRONICS INC
Liquid crystal display device, multi-display device, method for determining light intensity, and storage medium
ActiveUS8872733B2Reduce riskDifference in brightnessCathode-ray tube indicatorsLiquid-crystal displayDisplay device
The liquid crystal display device 30, included in the multi-display device 1, includes (i) a receiving section 21 for receiving display image data indicative of a display image to be displayed on a display panel 11 of the liquid crystal display device 30 and (ii) a light intensity determining section 22 for determining light intensity for each of segments of a backlight device 12 of the liquid crystal display device 30. When the receiving section 21 receives peripheral display image data, which is indicative of a peripheral image contiguous to the display image, the light intensity determining section 22 determines the light intensities of the respective segments based on the display image data and the peripheral display image data.
Owner:SHARP KK
Wafer inspection system and method thereof
ActiveUS7601555B2Cancel noiseDifference in brightnessImage enhancementImage analysisElectrical testingEngineering
Owner:SAMSUNG ELECTRONICS CO LTD
Liquid crystal display device
ActiveUS20170192303A1Reduce thicknessSolve saggingNon-linear opticsLiquid-crystal displayEngineering
Provided is a liquid crystal display device. The liquid crystal display device includes a guide frame, a plurality of light sources disposed on the guide frame, a diffusion member disposed above the plurality of light sources as being spaced away from the plurality of light sources, and a plurality of wires disposed between the plurality of light sources and the diffusion member. The liquid crystal display device according to an exemplary embodiment of the present disclosure uses the diffusion member having a smaller thickness than a related art diffusion plate. Thus, it is possible to reduce the overall thickness of the liquid crystal display device. Further, it is possible to support the diffusion member with the plurality of wires.
Owner:LG DISPLAY CO LTD
Display apparatus and control method of the same
InactiveUS20090278775A1Reduce motion blurIncrease brightnessStatic indicating devicesComputer hardwareComputer graphics (images)
A display apparatus includes: a display unit which displays an image; and a signal controller which generates a first sub-frame having a mean brightness by calculating the mean brightness of an original frame input from an outside, generates at least one second sub-frame for compensating the first sub-frame on the basis of the first sub-frame and the original frame, and outputs the first sub-frame and the second sub-frame to be displayed on the display unit in sequence.
Owner:SAMSUNG ELECTRONICS CO LTD
Active matrix type display device and drive control circuit used in the same
ActiveUS8681081B2Improve display qualityDifference in brightnessStatic indicating devicesActive matrixDisplay device
In an active matrix display device including pixels of three colors having a stripe arrangement or a delta arrangement, n (n denotes a multiple of 3 that is 6 or larger) adjacent data lines form one group and are connected to a source signal output line. The ON / OFF of a selection switch provided for each data line is controlled so that, among the n data lines forming one group, data lines corresponding to pixels of a color with a contribution to brightness smaller than a contribution of at least another color among the three colors are connected first and last with the source signal output line during one horizontal period.
Owner:SHARP KK
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