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1298 results about "Light exposure" patented technology
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Method for manufacturing semiconductor device
ActiveUS20100105163A1Reduce manufacturing costImprove productivityTransistorElectroluminescent light sourcesProduction rateLight exposure
An object is to manufacture a semiconductor device including an oxide semiconductor at low cost with high productivity in such a manner that a photolithography process is simplified by reducing the number of light-exposure masks. In a method for manufacturing a semiconductor device including a channel-etched inverted-staggered thin film transistor, an oxide semiconductor film and a conductive film are etched using a mask layer formed with the use of a multi-tone mask which is a light-exposure mask through which light is transmitted so as to have a plurality of intensities. In etching steps, a first etching step is performed by dry etching in which an etching gas is used, and a second etching step is performed by wet etching in which an etchant is used.
Owner:SEMICON ENERGY LAB CO LTD
Method for manufacturing semiconductor device
ActiveUS8236635B2High field-effect mobilityThin film transistorTransistorSolid-state devicesLight exposureSemiconductor
In a method for manufacturing a semiconductor device including a channel-etched inverted-staggered thin film transistor, an oxide semiconductor film and a conductive film are etched using a mask layer formed with the use of a multi-tone mask which is a light-exposure mask through which light is transmitted so as to have a plurality of intensities. The etching step is performed by dry etching in which an etching gas is used.
Owner:SEMICON ENERGY LAB CO LTD
Integrated Retinal Imager And Method
ActiveUS20090153797A1Enhance the imageEfficient couplingMechanical apparatusLight guides for lighting systemsImaging qualityExposure control
A system and method are presented for use in imaging the patient's retina. A light source unit is provided including a light emitting diode (LED) arrangement comprising multiple LEDs of different wavelength ranges. A light guide arrangement is used with the LEDs arrangement and is configured for coupling light from the LEDs and providing output light beams of a desired shape. The illuminating light is directed towards a region on the retina, and light returned from the illuminated region is collected and directed to an image detector unit. The invention enables the use of LED light at high intensity as required in the eye retina imaging, while maintaining the required high-quality imaging. Also, the invention provides for simultaneous or quasi-simultaneous as well as high-speed imaging in FA and ICG imaging procedures, thereby satisfying a long felt need in ophthalmology. Also, the invention provides for automated illumination or light exposure control to optimize overall light exposure to the patient eye and best acquired image quality in terms of brightness, contrast and image signal-to-noise ratio.
Owner:IBM CORP
Method for manufacturing semiconductor device
ActiveUS8343799B2High field-effect mobilityThin film transistorElectroluminescent light sourcesSolid-state devicesProduction rateDevice material
An object is to manufacture a semiconductor device including an oxide semiconductor at low cost with high productivity in such a manner that a photolithography process is simplified by reducing the number of light-exposure masks. In a method for manufacturing a semiconductor device including a channel-etched inverted-stagger thin film transistor, an oxide semiconductor film and a conductive film are etched using a mask layer formed with the use of a multi-tone mask which is a light-exposure mask through which light is transmitted so as to have a plurality of intensities. The etching step is performed by wet etching in which an etching solution is used.
Owner:SEMICON ENERGY LAB CO LTD
Method for manufacturing thin film transistor using multi-tone mask
ActiveUS8242494B2Improve mobilityThin film transistorTransistorElectroluminescent light sourcesProduction rateLight exposure
An object is to manufacture a semiconductor device including an oxide semiconductor at low cost with high productivity in such a manner that a photolithography process is simplified by reducing the number of light-exposure masks. In a method for manufacturing a semiconductor device including a channel-etched inverted-staggered thin film transistor, an oxide semiconductor film and a conductive film are etched using a mask layer formed with the use of a multi-tone mask which is a light-exposure mask through which light is transmitted so as to have a plurality of intensities. In etching steps, a first etching step is performed by wet etching in which an etchant is used, and a second etching step is performed by dry etching in which an etching gas is used.
Owner:SEMICON ENERGY LAB CO LTD
Smart Patch For Wound Management
InactiveUS20160015962A1Accelerate wound healing processEliminate bacterial infectionDiagnostics using lightNon-adhesive dressingsWound healingOperating instruction
A flexible patch is provided that is capable of emitting light in the UV, visible, and / or infrared electromagnetic spectrums. The patch contains a feedback process and system using one or more sensors and a controller on the patch to (1) accelerate the wound healing process by providing adaptable, controlled light exposure and electrical stimulation, (2) monitor the healing process for signs of infection (3) eliminate bacterial infections by sanitizing the infected site and (4) relaying the information wirelessly to a central location for storage and interpretation by a physician as well as by providing the ability to receive feedback and operating instructions from the physician from a remote location.
Owner:SHOKOUEINEJAD MARAGHEH MEHDI +3
Topical aminolevulinic acid-photodynamic therapy for the treatment of acne vulgaris
InactiveUS6897238B2Reduce sebum productionSmall sizeBiocideOrganic active ingredientsBacteroidesDisease
Light treatments of sebaceous gland disorders with 5-aminolevulinic acid and photodynamic therapy are disclosed. A preferred treatment includes topical application of 5-aminolevulinic acid to the skin followed by light exposures with repeated treatment at various intervals. At low doses of ALA and photodynamic therapy (PDT) in single or multiple treatments, improvement in the sebaceous gland disorder, e.g., acne, provides the discovery that diminishment in sebum secretion and the eradication of bacteria occurs. At high doses of ALA and a single high energy PDT treatment, permanent changes to the sebaceous gland and sebum secretion have been discovered.
Owner:THE GENERAL HOSPITAL CORP
Image blurring
A method of blurring an image includes acquiring two images of nominally a same scene taken at a different light exposure levels. At least one region of one of the images includes pixels having saturated intensity values. For at least one of the saturated pixels, values are extrapolated from the other image. At least a portion of a third image is blurred and re-scaled including pixels having the extrapolated values.
Owner:FOTONATION LTD
Method of precision fabrication by light exposure and structure of tunable waveguide bragg grating
A method of fabricating a tunable waveguide Bragg grating is provided. The tunable Bragg grating is preferably formed through an ultra-violet (UV) exposure process is preferred. The tunable Bragg grating is formed in an optical substrate, and may be formed in a planar lightwave circuit (PLC). In the latter example, the PLC may include multiple waveguides within close proximity, and the methods described herein provide a way of shielding adjacent waveguides from exposure during the UV exposure process. The Bragg grating is made tunable in one example through a metallic heater layer disposed over a temperature tuned region that is in communication with the Bragg grating for tuning the operation of the Bragg grating in response to changes in a driving signal to the metallic heater.
Owner:INTEL CORP
Multispectral therapeutic light source
ActiveUS20140288351A1High cost-effectiveHigh quantum-efficiencyElectrotherapySurgeryUltravioletPeak value
A light source apparatus including light spectrum-converting materials that emit light primarily over large portions of the 360 nm-480 nm and the 590-860 nm spectral range is provided. This apparatus provides a cooled, high-luminance, high-efficiency light source that can provide a broader spectrum of light within these spectral ranges than has been cost-practical by using many different dominant peak emission LEDs. Up to 15% of the output radiant power may be in the spectral range 350-480 nm in one embodiment of this device, unless a specific separate source and lamp operating mode is provided for the violet and UV. Control methods for light exposure dose based on monitoring and controlling reflected or backscattered light from the illuminated surface and new heat management methods are also provided. This flexible or rigid light source may be designed into a wide range of sizes or shapes that can be adjusted to fit over or around portions of the bodies of humans or animals being treated, or mounted in such a way as to provide the special spectrum light to other materials or biological processes. This new light source can be designed to provide a cost-effective therapeutic light source for photodynamic therapy, intense pulsed light, for low light level therapy, diagnostics, medical and other biological applications as well as certain non-organic applications.
Owner:JONES GARY W
Uniformity and brightness measurement in OLED displays
InactiveUS20060061248A1Improve accuracyImprove efficiencyIncadescent screens/filtersElectric discharge tubesLight exposureExposure level
A system for the detection of brightness uniformity variations in light-emitting elements in an OLED display is described, comprising: a) an OLED display having a plurality of light-emitting elements having perceptible brightness uniformity variations less than a threshold value when driven with a common signal; b) an imager with one or more light-sensitive sensor elements having variable light exposure levels and sensitive to the light emitted by the light-emitting elements, where the sensor elements are not capable of detecting brightness uniformity variations less than the threshold value at a first light exposure level; c) optical elements arranged so that the light-sensitive sensor elements are exposed to the light-emitting elements of the OLED display; and d) a controller programmed to control the OLED display and cause the light-emitting elements to illuminate and the imager to acquire images of the illuminated light-emitting elements in the OLED display at at least the first and a different second light exposure level.
Owner:EASTMAN KODAK CO
Process of Producing Patterned Birefringent Product
ActiveUS20080143926A1Easy to produceEasily pattern-identifiableLiquid crystal compositionsPolarising elementsIn planeHeat resistance
A process of readily producing a patterned birefringent product excellent in resolution and heat-resistance is provided. Said process comprises at least the following steps [1] to [3] in order:[1] preparing a birefringence pattern builder which comprises an optically anisotropic layer comprising a polymer, and said optically anisotropic layer has a retardation disappearance temperature in the range higher than 20° C.,at said retardation disappearance temperature in-plane retardation becomes 30% or lower of the retardation at 20° C. of the same optically anisotropic layer, andsaid retardation disappearance temperature rises by light exposure;[2] subjecting the birefringence pattern builder to patterned light exposure;[3] heating the laminated structure obtained after the step [2] at 50° C. or higher and 400° C. or lower.
Owner:FUJIFILM CORP
Semiconductor device manufacturing method, data generating apparatus, data generating method and recording medium readable by computer recoded with data generating program
A semiconductor manufacturing method comprising, a data generating process including, acquiring a simulation light pattern that simulates a shape of a light exposure pattern formed on a substrate on the basis of design data of a semiconductor device, acquiring a simulation electron beam exposure pattern that simulates a shape of an electron beam exposure pattern formed by an electron beam exposure on the substrate on the basis of the design data, extracting difference information representing a shape difference portion between the simulation light pattern and the simulation electron beam exposure pattern, acquiring changed design data for modifying shape by changing the design data in accordance with the difference information, conducting the electron beam exposure on the substrate by use of the changed design data for modifying the shape.
Owner:FUJITSU LTD
Hand-supportable imaging-based bar code symbol reader employing a multi-mode illumination subsystem enabling narrow-area illumination for aiming at a target object and illuminating aligned 1D bar code symbols during the narrow-area image capture mode, and wide-area illumination for illuminating randomly-oriented 1D and 2D bar code symbols during the wide-area image capture mode
ActiveUS20050103846A1Transmission systemsVisual representatino by photographic printingDigital imagingDistance detection
A hand-supportable Digital Imaging-Based Bar Code Symbol Reading Device comprises: an IR-based Object Presence and Range Detection Subsystem; a Multi-Mode Area-type Image Formation and Detection Subsystem having narrow-area and wide area image capture modes of operation; a Multi-Mode LED-based Illumination Subsystem having narrow-area and wide area illumination modes of operation; an Automatic Light Exposure Measurement and Illumination Control Subsystem; an Image Capturing and Buffering Subsystem; a Multi-Mode Image-Processing Bar Code Symbol Reading Subsystem; an Input / Output Subsystem; a manually-activatable trigger switch; a System Mode Configuration Parameter Table; and a System Control Subsystem integrated with each of the above-described subsystems. The bar code reading device can be configured and operated in numerous programmable modes of system operation to automatically read 1D and 2D bar code symbologies in a high-speed manner using advanced modes of image processing on captured images.
Owner:METROLOGIC INSTR
Display device and manufacturing method thereof
InactiveUS20070146592A1Reduce manufacturing stepsReduce manufacturing costPhotomechanical apparatusSemiconductor/solid-state device manufacturingResistLiquid-crystal display
In a semi-transmission liquid crystal display device, two resist masks are required to form a reflective electrode and a transparent electrode; therefore, cost is high. A transparent electrode and a reflective electrode which function as a pixel electrode are stacked. A resist pattern which includes a region having a thick film thickness and a region having a thinner film thickness than the aforementioned region is formed over the reflective electrode by using a light exposure mask which includes a semi-transmission portion. The reflective electrode and the transparent electrode are formed by using the resist pattern. Therefore, the reflective electrode and the transparent electrode can be formed by using one resist mask.
Owner:SEMICON ENERGY LAB CO LTD
Wearable system and method to measure and monitor ultraviolet, visible light, and infrared radiations in order to provide personalized medical recommendations, prevent diseases, and improve disease management
InactiveUS20150102208A1Improve disease managementPrevent skinMaterial analysis by optical meansMedical automated diagnosisRadiation exposureLight exposure
A wearable sensor device, system, and methods for electronically monitoring safe ultraviolet and infrared radiations and beneficial visible light exposure based on sensor data and clinical information data relevant to estimate a personalized radiation pattern for disease prevention, a personalized radiation pattern for an evolution in disease activity or skin aging from radiation exposure of the user of the wearable sensor device and other users of the wearable sensor device. The wearable sensor device includes one or more UV sensors, an ambient light sensor, one IR sensor, and the wearable sensor device is in communication with remote computing devices to communicate sensor data and to calculate, send, and receive recommendations regarding beneficial radiation exposure and safe UV and IR exposure at the wearable sensor device, or remote computing devices paired with or connected to the wearable sensor device.
Owner:THE JOAN & IRWIN JACOBS TECHNION CORNELL INST
Hybrid solar nanogenerator cells
A dye-sensitized solar cell including ZnO nanowire arrays grown of a flat substrate for harvesting solar energy is integrated with a piezoelectric nanogenerator for harvesting ultrasonic wave energy. The two energy harvesting approaches work simultaneously or individually and can be integrated in parallel or serial for raising the output current, voltage or power, respectively. A solar cell employs an optical fiber and semiconductor nanowires grown around the fiber. A p-n junction based design, organic-inorganic heterojunction, or a dye-sensitized structure is built at the surfaces of the nanowires. Light entering the fiber from a tip propagates through the fiber until it enters a nanowire where it reaches a photovoltaic element. Light entering the fiber cannot escape until it interacts with a photovoltaic element, thereby increasing the solar conversion efficiency. The fiber can transmit light, while the nanowires around the fibers increase the surface area of light exposure.
Owner:GEORGIA TECH RES CORP
Hand-supportable imaging-based bar code symbol reader employing a CMOS-type image sensor using global exposure techniques
A hand-supportable digital imaging-based bar code symbol reading device comprises: an automatic object presence and range detection subsystem; an area-type image formation and detection subsystem having a CMOS area-type image detection array, and narrow-area and wide area image capture modes of operation; an LED-based illumination subsystem having LED arrays, and narrow-area and wide area illumination modes of operation; an automatic light exposure measurement and illumination control subsystem; an image capturing and buffering subsystem; and an image-processing bar code symbol reading subsystem. The LED arrays associated with the LED-based illumination subsystem are automatically driven in a precise manner to globally expose the CMOS area-type image detection array with LED-based illumination only when substantially all of its rows of pixels are in a state of integration and have a common integration time, thereby enabling the image capturing and buffering subsystem to capture high quality images independent of the relative motion between the hand-supportable digital imaging-based bar code symbol reading device and the object.
Owner:METROLOGIC INSTR
Hand-supportable digital imaging-based bar code symbol reading system employing a method of intelligently illuminating an object so as to generate a digital image thereof which is substantially free of noise caused by specular-type reflection of illumination off said object during illumination and imaging operations
ActiveUS20050103864A1Reduce manufacturing costUseful applicationCharacter and pattern recognitionRecord carriers used with machinesIntelligent lightingDigital imaging
A hand-supportable digital imaging-based bar code symbol reader comprises: an automatic object presence detection subsystem; a multi-mode area-type image formation and detection subsystem having narrow-area and wide-area image-capture modes of operation; a multi-mode LED-based illumination subsystem having independently controllable LED illumination arrays; an automatic light exposure measurement and illumination control subsystem; an image capturing and buffering subsystem; an image-processing bar code symbol reading subsystem; an input / output subsystem; and a system control subsystem for controlling the subsystems. The hand-supportable imaging-based bar code reader employs a method of intelligently illuminating objects during image capture, wherein the LED illumination arrays are independently controlled during particular moments of object illumination to generate digital images of objects which, through digital image analysis, are determined to be substantially free of noise (i.e. intense spatial intensity variations) caused by specular-type reflection of illumination off objects during illumination and imaging operations.
Owner:METROLOGIC INSTR
Method and device for monitoring and treatment of seasonal affective disorder
ActiveUS20140277291A1Effective treatmentPositive experienceSensorsLight therapyLight therapySeasonal Affective Disorders
This invention provides for an energized biomedical ophthalmic device and associated method of measuring changes in biomarkers contained in tear film to generate data related to a light therapy regimen used to treat symptoms associated with seasonal affective disorder. In some embodiments, the energized biomedical ophthalmic device can include an energized contact lens with a light source in communication with a processor controlling said light source according to the light therapy regimen. The light therapy regimen may be generated or modified by the processor from the measured changes and sometimes from user's preferences, and / or additional measurements, including for example, light exposure and / or circadian rhythm of the user.
Owner:JOHNSON & JOHNSON VISION CARE INC
Photoluminescent emergency egress pathway marking system
InactiveUS6307207B1Increase the areaMore forgivingElectrical apparatusLayered productsFiberPhotoluminescence
An emergency egress system for a locus that is exposed to light in non-emergency use and susceptible to interruption or termination of light in emergency circumstances. The emergency egress system comprises a fibrous web deployed in the locus, wherein the fibrous web has photoluminescent fiber incorporated therein in sufficient amount and distribution to illuminate the web or predetermined portions thereof during the interruption or termination of light in emergency circumstances, and subsequent to light exposure thereof.
Owner:ASTRONICS
Multispectral therapeutic light source
ActiveUS8858607B1High cost-effectiveHigh quantum-efficiencyElectrotherapySurgical instrument detailsUltravioletPeak value
Owner:JONES GARY W
Computer input device
InactiveUS6816149B1Thermometer detailsThermometers using physical/chemical changesComputerized systemEngineering
An input device comprising an input mechanism for a computer system. The input mechanism is operative responsive to movements of a user of the device to send inputs to a computer system. An exterior surface of the input mechanism is operative to come in contact with the user of the device. At least one portion of the exterior surface is comprised of color changing material that is operative to turn at least one different color responsive to an increase in temperature, pressure, or changes in light exposure to the color changing material caused by contact with the user of the device.
Owner:ALSLEBEN MARTE
Method for manufacturing semiconductor device
ActiveUS20100105164A1Low costImprove productivityElectroluminescent light sourcesSolid-state devicesProduction rateDevice material
An object is to manufacture a semiconductor device including an oxide semiconductor at low cost with high productivity in such a manner that a photolithography process is simplified by reducing the number of light-exposure masks. In a method for manufacturing a semiconductor device including a channel-etched inverted-stagger thin film transistor, an oxide semiconductor film and a conductive film are etched using a mask layer formed with the use of a multi-tone mask which is a light-exposure mask through which light is transmitted so as to have a plurality of intensities. The etching step is performed by wet etching in which an etching solution is used.
Owner:SEMICON ENERGY LAB CO LTD
Image storage and control device for camera to generate synthesized image with wide dynamic range
The invention is an image pickup apparatus comprising an LE-SE buffer for storing multiple images with different exposure amounts that have been taken with a CCD, an SL synthesizing circuit for performing Super Latitude (SL) processing for the multiple images to generate a synthesized image with a wide dynamic range, a suitability evaluating circuit for evaluating whether the photography scene is suitable for performing SL processing with the SL synthesizing circuit, an image quality evaluating circuit for comparing the synthesized image with the images before synthesizing and evaluating image quality, and a recording format selecting circuit for which of the multiple images before synthesizing and the synthesized image to be recorded by a recording circuit, based on the image quality evaluation results and operating input from a key input circuit.
Owner:OLYMPUS CORP
Method for manufacturing semiconductor device
ActiveUS20100102315A1Reduce manufacturing costImprove productivityTransistorElectroluminescent light sourcesProduction rateLight exposure
An object is to manufacture a semiconductor device including an oxide semiconductor at low cost with high productivity in such a manner that a photolithography process is simplified by reducing the number of light-exposure masks. In a method for manufacturing a semiconductor device including a channel-etched inverted-staggered thin film transistor, an oxide semiconductor film and a conductive film are etched using a mask layer formed with the use of a multi-tone mask which is a light-exposure mask through which light is transmitted so as to have a plurality of intensities. In etching steps, a first etching step is performed by wet etching in which an etchant is used, and a second etching step is performed by dry etching in which an etching gas is used.
Owner:SEMICON ENERGY LAB CO LTD
Substrate processing apparatus and substrate processing method
InactiveUS6841342B2Suppress scatterEvenly distributedLiquid surface applicatorsDrying solid materials with heatResistLight exposure
A substrate processing apparatus for processing a substrate coated with a chemical amplification type resist and subjected to a light-exposure treatment comprises a substrate table on which is disposed a substrate, a heater for heating the substrate disposed on the substrate table, and an electric field forming mechanism for forming an electric field exerting force, which is directed toward the substrate, on the protons generated in the resist formed on the substrate disposed on the substrate table.
Owner:TOKYO ELECTRON LTD
Manufacturing method of light-emitting device
InactiveUS20080268135A1Improve positionHigh definitionSemiconductor/solid-state device detailsSolid-state devicesResistSimple Organic Compounds
For a full-color flat panel display, demands for high definition, high aperture ratio and high reliability have been increasing. Therefore, increasing in the number of pixels and narrowing a pixel pitch have been major issues. According to the present invention, a layer including an organic compound is selectively formed with a light-exposure apparatus used in a photolithography technique without a resist mask. A material layer including a photopolymerization initiator, a material polymerized with the photopolymerization initiator, and an organic compound are formed on a plate, and then are exposed to light and selectively cured. A film-formation substrate is disposed so as to face the plate. The film-formation substrate or the material layer is heated so that the organic compound included in a region exposed to light or a region not exposed to light is evaporated to be selectively deposited on the surface of the film-formation substrate.
Owner:SEMICON ENERGY LAB CO LTD
Hybrid Solar Nanogenerator Cells
ActiveUS20090295257A1Piezoelectric/electrostrictive device manufacture/assemblyPiezoelectric/electrostriction/magnetostriction machinesHeterojunctionFiber
A dye-sensitized solar cell including ZnO nanowire arrays grown of a flat substrate for harvesting solar energy is integrated with a piezoelectric nanogenerator for harvesting ultrasonic wave energy. The two energy harvesting approaches work simultaneously or individually and can be integrated in parallel or serial for raising the output current, voltage or power, respectively. A solar cell employs an optical fiber and semiconductor nanowires grown around the fiber. A p-n junction based design, organic-inorganic heterojunction, or a dye-sensitized structure is built at the surfaces of the nanowires. Light entering the fiber from a tip propagates through the fiber until it enters a nanowire where it reaches a photovoltaic element. Light entering the fiber cannot escape until it interacts with a photovoltaic element, thereby increasing the solar conversion efficiency. The fiber can transmit light, while the nanowires around the fibers increase the surface area of light exposure.
Owner:GEORGIA TECH RES CORP
Depth image acquisition method based on combination stereo matching and structured light
ActiveCN106504284AReduce power consumptionLow resolutionImage enhancementImage analysisStereo matchingRadiology
The invention, which relates to the stereoscopic vision field, discloses a depth image acquisition method based on combination stereo matching and structured light. With the method, a problem of stereo matching realization at an image weak texture region under insufficient image exposure can be solved. When external environmental light is sufficient and no weak texture region exists in a shooting scene, depth information of a three-dimensional scene is obtained by using an image shot under natural light directly; and when a little texture information is collected or the external environmental light is weak during the collection process, a coded structured light is projected actively, thereby enhancing the structured light intensity and object texture information. Because the structured light is processed by scene regulation while the scene texture information is enhanced, the scene depth information can be obtained by using a structured light measuring method directly. The depth image acquisition method is suitable for obtaining the object depth information accurately.
Owner:CHENGDU TOPPLUSVISION TECH CO LTD
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