This page is updated frequently with new Monochromat-related patent applications.
|Wide dynamic range using monochromatic sensor|
A system for digital imaging in a light deficient environment includes an emitter for providing illumination with electromagnetic pulses. The system includes an image sensor that creates image data from the electromagnetic pulses.
Depuy Synthes Products, Inc.
|Imaging system in reflection mode using coherent diffraction imaging methods and using micro-pinhole and aperture system|
A reflective sample, such as a mask, is imaged in an optics system. A radiation source emits a light beam with relatively low coherence.
Paul Scherrer Institut
|Spectacle lens having a plurality of diffraction structures for light|
The invention is directed to a spectacle lens and includes a body which is transparent or at least partly transparent to light and has a phase object which guides the light incident at an angle of incidence α on a side facing away from an observer into a direction depending on the wavelength λ of the light and the angle of incidence α thereof. The phase object has a multiplicity of diffraction structures, which diffract monochromatic light at a wavelength of 380 nm≦λ≦800 nm with a diffraction efficiency of η≧70% into one and same order of diffraction .
|Liquid crystal display panel, display device and process for patterning quantum dot layer|
A liquid crystal display panel, in which pixel units are provided on the liquid crystal display panel, each pixel unit includes sub-pixel units displaying different colors, at a position of the apposed substrate or the array substrate corresponding to the sub-pixel unit of at least one color in each pixel unit, a monochromatic quantum dot layer is disposed. This liquid crystal display panel has increased color gamut of the liquid crystal display panel, enhanced color saturation, increased display quality, and increased life of quantum dots.
Beijing Boe Optoelectronics Technology Co., Ltd.
|Method and device for generating multispectral or hyperspectral light, for hyperspectral imaging and/or for distance measurement and/or 2d or 3d profile measurement of an object by means of spectrometry|
The invention relates to methods and to devices for generating multispectral illuminating light having an addressable spectrum, for adaptive multispectral imaging and for capturing structural and/or topographical information of an object or of the distance to an object. The illuminating device comprises a multispectral light source and a modulator for temporal modulation of the individual spectral components of the multispectral light source having modulation frequencies.
|Methods for inactivating, on medical instruments and devices, viruses containing rna and dna, and apparatuses for implementating same|
Methods and apparatuses for inactivating rna and dna within viruses situated on medical instruments. Through the use of photochemicals and photoactivation by monochromatic light, medical instruments can be rendered safer.
|High refresh rate displays with synchronized local dimming|
A display may have a first stage such as a color liquid crystal display stage and a second stage such as a monochromatic liquid crystal display stage that are coupled in tandem so that light from a backlight passes through both stages. The first (upper) stage may be a high resolution display panel that is operated at a first refresh rate while the second (lower) stage is a low resolution display panel that is operated at a second refresh rate that is greater than the first refresh rate.
|Front-end lighting system for projection and projection device|
A front-end lighting system for projection includes: a rgb three-color led light source, configured to generate three monochromatic lights; a reflector, configured to perform a first light mixing operation on three monochromatic lights generated by the rgb three-color led light source; a first group of relay lenses, configured to adjust a light path; and a compound eye field lens, configured to perform a second light mixing operation on the three monochromatic lights generated by the rgb three-color led light source. The reflector includes a reflecting surface, and three monochromatic lights emitted by the rgb three-color led light sources, after being reflected by the reflecting surface of the reflector, pass through the first group of relay lenses and the compound eye field lens in sequence..
Sichuan Dowlab Electronics Technology Co., Ltd
|Optical smoke detection unit for a smoke detector, with two light-emitting diodes optically coupled together and with an associated control unit for the deduction of aging information and a smoke detector|
An optical smoke detection unit, e.g., for a smoke detector, may include first and second light-emitting diodesfor emitting monochromatic, dichromatic or polychromatic light, an optical receiver for smoke detection, and a control unit that controls the light-emitting diodes and evaluates a receive signal output by the optical receiver for fire parameters. The light-emitting diodes may be optically coupled together such that at least one of the light-emitting diodes illuminates the other.
Siemens Schweiz Ag
|System and monitoring the health of dialysis patients|
A system and method for monitoring the health of dialysis patients with raman spectroscopy measurements of one or more target analytes is described. The methods include irradiating one or more fluids of interest with light to produce one or more spectrum and detecting the spectrum with a detector.
Virginia Tech Intellectual Properties, Inc.
Method for measuring actual temperature of flame by using all information of radiation spectrum and measurement system thereof
The present invention discloses a method for measuring an actual temperature of a flame by using all information of a radiation spectrum and a measurement system thereof. The method includes: conducting more theoretical data processing by using energy level structure correction, wherein all information of the radiation spectrum can be used; and by way of a keyboard input manner or a data transmission input manner, acquiring an energy level structure correction parameter, and finally acquiring a more accurate actual temperature value of a measured flame.
Tianjin Yitong Transmission & Distribution Electric Technology Co. Ltd.
Machine vision system
A fluorescing marker is used in order to mark (for example) a leaf of a multi-leaf collimator and/or the reference points within the field of view. The markers are illuminated with light tuned to cause the markers to fluoresce at a wavelength different to that of the illuminating light.
Elekta Ab (publ)
Light emitting diode illumination combination kit
A light emitting diode (led) illumination combination kit includes one or a plurality of modular illumination units and a power supply device which supplies power to the led illumination combination kit. Each of the modular illumination units includes a plurality of led element luminous spots and an electronic component for voltage regulation serially connected to the led element luminous spots.
Imaging sensor coupled with layered filters
A digital imaging device includes: a monochromatic sensor including a plurality of photosensitive elements distributed in an array, the plurality of photosensitive elements configured to convert light falling on the monochromatic sensor into electronic signals; and a plurality of filters, each filter configured to be moved into a position in front of the monochromatic sensor, wherein each filter, when moved into the position in front of the monochromatic sensor, covers substantial portion of the monochromatic sensor. Key words include imaging sensor and layered filter..
Sony Pictures Entertainment Inc.
Light-emitting element, light-emitting device, electronic device, and lighting device
Provided is a light-emitting device which can emit monochromatic light with high purity due to a microcavity effect and which can emit white light in the case of a combination of monochromatic light. Provided is a high-definition light-emitting device.
Semiconductor Energy Laboratory Co., Ltd.
Optical device with photon flipping
An optical device with photon flipping for converting an incident light flux into a practically monochromatic light beam, the device including a cladding area including a photon crystal microstructure, the photon crystal microstructure having an allowed spectral band and a spectral band gap; a flipping area including a flipping fluorescent dye which has a spectral band for absorbing fluorescence, which covers at least part of the allowed spectral band, and a spectral band for emitting fluorescence, which covers at least part of the spectral band gap of the photon crystal microstructure; a central area arranged to enable propagation of a monochromatic light beam having a wavelength in the spectral band gap, the central area being surrounded by the photon crystal microstructure; the core area having a thickness which is less than or equal to five times the wavelength of the maximum fluorescence emission of the flipping fluorescent dye.. .
Commissariat À L'Énergie Atomique Et Aux Énergies Al Ternatives
Systems and methods for image processing in optical microscopes
Example embodiments relate to systems and methods for processing an image in optical microscopy, such as for a cmos camera used as an optical detector in a line confocal fluorescent imager. The method includes acquiring a raw image with a microscope, and asymmetrically deconvolving at least a portion of the raw image using a point-spread function that is different in an x-direction than in a y-direction in order to generate an asymmetrically deconvolved image.
General Electric Company
Multi-junction photovoltaic micro-cell architectures for energy harvesting and/or laser power conversion
An optical power converter device includes a light source configured to emit monochromatic light, and a multi-junction photovoltaic cell including respective photovoltaic cell layers having different bandgaps and/or thicknesses. The respective photovoltaic cell layers are electrically connected to collectively provide an output voltage and are vertically stacked relative to a surface of the multi-junction photovoltaic cell that is arranged for illumination by the monochromatic light from the light source.
Image displaying methods, devices, and storage media
Image displaying methods, devices, and computer-readable non-transitory storage media containing instructions for implementing the displaying methods are disclosed. In one embodiment, a method includes acquiring an image upon receipt of a request for displaying the image, locating in the image an image region composed of at least three adjoining monochromatic sections, when a difference in color value between any two adjacent ones of the adjoining monochromatic sections in the image region is less than a threshold value, calculating one or more target color values using color values of the monochromatic sections in the image region, replacing color values of the image region with the target color values to generate a target image, and displaying the target image..
Beam generation unit and x-ray small-angle scattering apparatus
A micro beam generation unit capable of simultaneously capturing anisotropic images in a high signal-to-background ratio with a compact configuration and an x-ray small-angle scattering apparatus are provided. A micro beam generation unit 110 generates x-rays having a micro spot size, with which a sample is irradiated, in order to detect diffracted x-rays by a one-dimensional detector or a two-dimensional detector.
Illumination and imaging device for high-resolution x-ray microscopy with high photon energy
The present invention relates to an illumination and imaging device for high-resolution x-ray microscopy with high photon energy, comprising an x-ray source (1) for emitting x-ray radiation and an area detector (4) for detecting the x-ray radiation. Moreover, the device comprises a monochromatizing and two-dimensionally focussing condenser-based optical system (2) arranged in the optical path of x-ray radiation with two reflective elements (6) being arranged side-by-side for focussing impinging x-ray radiation on an object to be imaged (5) and a diffractive x-ray lens (3) for imaging the object to be imaged (5) on the x-ray detector (4).
Axo Dresden Gmbh
White led, backlight module and liquid crystal display device
A white led, which includes a substrate, at least one monochromatic led chip disposed on the substrate, a reflector cup disposed on the substrate and surrounding the monochromatic led chip, an encapsulating colloid filled in the reflector cup to seal the monochromatic led chip, and a first quantum dot structure and a second quantum dot structure sealed in the encapsulating colloid, and light generated by the monochromatic led chip, light generated by exciting the first quantum dot structure and light generated by exciting the second quantum dot structure are mixed to form a white light. A backlight module having the white led and a liquid crystal display device having the backlight module is also disclosed..
Shenzhen China Star Optoelectronics Technology Co., Ltd.
Image forming apparatus
An image forming apparatus includes a movable endless belt, a first image bearing member, second image bearing members provided upstream of the first image bearing member with respect to a movement direction of the belt, a first transfer roller, second transfer rollers, an auxiliary roller provided upstream of a mostupstream second transfer roller of the second transfer rollers with respect to a movement direction of the belt, and an executing portion capable of executing an operation in a full-color mode in a first roller arrangement and an operation in a monochromatic mode in a second roller arrangement.. .
Canon Kabushiki Kaisha
Method and diagnosing bone tissue conditions
Example methods and apparatus are disclosed for diagnosing or assisting a diagnosis of a bone tissue condition. A specimen associated with bone tissue suspected of being infected is irradiated using a monochromatic light source.
The Regents Of The University Of Michigan
Method and apparatus of spectral differential phase-contrast cone-beam ct and hybrid cone-beam ct
Dpc (differential phase contrast) images are acquired for each photon energy channel, which are called spectral dpc images. The final dpc image can be computed by summing up these spectral dpc images or just computed using certain ‘color’ representation algorithms to enhance desired features.
University Of Rochester
Method and device for correcting color shift of organic light-emitting diode (oled) display panel, and display device
A method and device for correcting a color shift of an oled display panel, and a display device are disclosed. The method includes: performing an ageing treatment on the monochromatic luminescent devices in the oled display panel; performing a luminescent lifetime attenuation test on the monochromatic luminescent devices after the ageing treatment respectively, and obtaining corresponding luminescent lifetime attenuation rates of the monochromatic luminescent devices; and performing an ageing treatment on the monochromatic luminescent device with rapidest luminescent lifetime attenuation rate again when differences between the luminescent lifetime attenuation rates of the monochromatic luminescent devices are greater than a preset threshold, until differences between the luminescent lifetime attenuation rates of the monochromatic luminescent devices are less than the preset threshold.
Boe Technology Group Co., Ltd.
Organic light emitting display device and manufacturing method thereof
An organic light emitting display device includes a first substrate and a second substrate opposite to the first substrate. A pixel array is arranged between the first substrate and the second substrate to emit monochromatic light.
Hon Hai Precision Industry Co., Ltd.
Coulter mounted soil constituent sensor
A system for measuring soil constituents having coulter comprising an electromagnetic radiation detector, a source of electromagnetic radiation, and a window transparent to electromagnetic radiation, the source emits radiation through said window to the soil, and the detector receives radiation through said window, reflected from the soil. Typically the source is broad band so the detector provides continuous spectra over the range.
7108789 Manitoba Inc.
Spectrometer, monochromator, diffraction grating and methods of manufacturing grating and mold
A diffraction grating comprise a substrate and a plurality of connected diffraction structures formed on the substrate. Each diffraction structure is in the shape of a column and arranged along a concave cylindrical surface, and an axis of each diffraction structure extends along a generatrix of the concave cylindrical surface.
Oto Photonics Inc.
Optic disc detection in retinal autofluorescence images
The invention relates to methods and systems for automatically detecting an optic disc in a retinal fundus autofluorescence image. A monochromatic image of a retina is obtained by stimulated autofluorescence.
The Regents Of The University Of Michigan
X-ray micro imaging
The disclosure provides improvements of resolution and contrast in the field of x-ray imaging by using a line emitting, quasi-monochromatic x-ray source for x-ray fluorescence computed tomography. A particular type of x-ray source suitable for this is a line emitting liquid-jet-anode x-ray source.
Image processing apparatus, image forming apparatus and image processing method
An image processing apparatus includes a receiving unit, a generating unit, and a determining unit. The receiving unit receives first image data.
Oki Data Corporation
Wearable display apparatus
A wearable display apparatus includes a reflective light modulator having a front, a light guide plate placed at the front of the light modulator, a plurality of monochromatic light sources of different colors, and an optical assembly. The light guide plate has a first and a second major surface opposite to each other, and a light incidence surface connected with the first and second major surfaces, the light guide plate directing light received at the light incidence surface through the first major surface toward the light modulator.
Himax Display, Inc.
Hard x-ray photoelectron spectroscopy apparatus
A hard x-ray photoelectron spectroscopy apparatus comprises an x-ray source, an analyzer, a sample manipulator, an analysis chamber, and vacuum evacuation systems, wherein, in a three-dimensional space defined by a xyz rectangular coordinate axis system, a plate-like sample is arranged to be rotatable around the z-axis by said sample manipulator (2), wherein said x-ray source comprises an electron gun (3b) which accelerates and focuses electrons, a target which is irradiated with the electrons accelerated and focused by the electron gun to generate an x-ray, monochromater crystal assembly, wherein the monochromater crystal assembly meets the bragg condition of x-ray diffraction in x-y plane to diffract/reflect and monochromatize the x-ray generated in said target and extract characteristic x-rays only, and on the other hand, the electron-beam-irradiation position on the target-center of the monochromater crystal assembly-center of the sample is arranged on the rowland circle to minimize focusing aberration to the sample, the monochromater crystal assembly is located on a circle having a radius twice as large as that of the rowland circle in a x-y plane, preferably electron-beam-irradiation position on said target and the center of the sample are located on each of two focuses of an ellipse coming in contact with said rowland circle in the center of the monochromater crystal assembly, said monochromater crystal assembly has a toroidal surface in z axial direction acquired by rotating said ellipse coming in contact with said rowland circle around a straight line connecting the electron-beam-irradiation position on said target and the center of the sample, and, a vacuum vessel for installing these components, wherein the monochromater crystal assembly used for monochromatization with diffraction and reflection of said x-ray source is located on the rowland circle together with said target and said sample to meet the condition that the dispersed x-ray beam concentrates on the surface of the sample with the minimum aberration, wherein said rowland circle is located to be orthogonal to the surface of the sample, wherein an optical axis of said analyzer is placed to be perpendicular (in x axial direction) to the incident direction (in y axial direction) of the x-ray or within a range of ±36 degree angle in a x-y plane and within a range of ±49 degree angle in a x-z plane, wherein the sample is such that said x-ray diffracted and reflected by a reflection surface is located on focus positions on the surface of said sample and is obliquely incident on the surface of said sample, so that the spot of said x-ray elongatedly extends along a line in substantially parallel to y axis (substantially perpendicular to x axis), and wherein an aperture of a slit provided at the entrance of said analyzer is arranged in parallel to a direction where said x-ray spot on the sample surface elongatedly extends.. .
Electronic device display with zigzag pixel design
A display may have a first stage such as a color liquid crystal display stage and a second stage such as a monochromatic liquid crystal display stage that are coupled in tandem so that light from a backlight passes through both stages. The pixel pitch of the second stage may be greater than the pixel pitch of the first stage to ease alignment tolerances and reduce image processing complexity.
Backlight module and display device
The present disclosure provides a backlight module and a display device. The backlight module includes: a light guide plate; a monochromatic light source arranged at a light-entering side of the light guide plate; an optical grating arranged at a side of a light-exiting surface of the light guide plate, wherein monochromatic light from the monochromatic light source is diffracted by the optical gating and directed in a direction perpendicular to the light guide plate; and a quantum dot plate arranged at the side of the light-exiting surface of the light guide plate and configured to convert the diffracted monochromatic light into white light..
Boe Technology Group Co., Ltd.
Hybrid slot-scanning grating-based differential phase contrast imaging system for medical radiographic imaging
Embodiments of methods and apparatus are disclosed for obtaining a phase-contrast digital mammography system and methods for same that can include an x-ray source for radiographic imaging; a beam shaping assembly including a filter or a tunable monochromator, a collimator, a source grating, an x-ray grating interferometer including a phase grating, and an analyzer grating; and an x-ray detector; where the source grating, the phase grating, and the analyzer grating are aligned in such a way that the grating bars of these gratings are parallel to each other.. .
Carestream Health, Inc.
Distributed automatic notification abnormality in remote massive monitors
The present invention discloses a distributed automatic notification method for abnormality in remote massive monitors. If a data stream is not available, a disconnect prompt stream is generated.
National Applied Research Laboratories
Low cost screen protector with enhanced appearance vanishing graphic elements and manufacture
The present invention deals generally with a low cost method of making protective films for use on cell phones, smart phones, tablets, and computer or television display panels that incorporate graphical elements. Specifically, the protective films of the present invention are constructed with text and images embedded in the adhesive layer ordinarily associated with these films such that the embedded text and images appear under ambient light and vanish when the underlying screen is illuminated to display an image.
Phosphor based lighting devices and generating a light output
The invention provides a lighting device having a photo-excited phosphor layer, with two monochromatic light beams (1, 1a, 1b) that counter propagate within the phosphor layer (2) thereby providing a destructive interference of the excitation light outside the phosphor layer (2). The excitation light source has an output wavelength greater than a peak absorption wavelength of the phosphor.
Koninklijke Philips N.v.
High definition and extended depth of field intraocular lens
A virtual aperture integrated into an intraocular lens is disclosed. Optical rays which intersect the virtual aperture are widely scattered across the retina causing the light to be virtually prevented from reaching detectable levels on the retina.
Z Optics Llc
Data knitting tandem dispersive range monochromator
Aspects of a tandem dispersive range monochromator and data knitting for the monochromator are described herein. In one embodiment, the monochromator includes a tandem diffraction grating, a grating drive motor that rotates the tandem diffraction grating to provide, by diffraction of broadband light, first dispersed wavelengths of light and second dispersed wavelengths of light, a detector that detects a first reflection from the first dispersed wavelengths of light and a second reflection from the second dispersed wavelengths of light, and processing circuitry that knits together data values from the first reflection and data values from the second reflection to provide a spectrum of combined data values.
Westco Scientific Instruments, Inc
Tandem dispersive range monochromator
Aspects of a monochromator are described herein. In one embodiment, the monochromator includes a light source that provides light, a diffraction grating including a first diffraction grating and a second diffraction grating, a grating drive motor that rotates the diffraction grating to provide dispersed wavelengths of light, a detector that detects a portion of the dispersed wavelengths of light, and processing circuitry that controls a grating drive motor to regulate an angular velocity of the grating based on an angular orientation of the diffraction grating.
Westco Scientific Instruments, Inc
In-situ optical monitoring of fabrication of integrated computational elements
Techniques include receiving a design of an integrated computational element (ice), the ice design including specification of a substrate and a plurality of layers, their respective target thicknesses and complex refractive indices, complex refractive indices of adjacent layers being different from each other, and a notional ice fabricated in accordance with the ice design being related to a characteristic of a sample over an operational wavelength range; forming at least some of the layers of the ice in accordance with the ice design; optically monitoring, during the forming, optical properties of the formed layers using quasi-monochromatic probe-light having a probe wavelength that is outside of the operational wavelength range of the ice; and adjusting the forming, at least in part, based on the optically monitored optical properties of the formed layers of the ice.. .
Halliburton Energy Services, Inc.
Method and device for image conversion from rgb signals into rgbw signals
A method and device for image conversion from rgb signals into rgbw signals, after converting the rgb luminance input values into rgbw luminance output values, determine color-cast-removed rgbw luminance output values respectively, according to a position relationship between rgbw color coordinate values to which the rgbw luminance output values correspond respectively and a predetermined actual color coordinate value of a color having monochromatic color cast among rgbw in a chromaticity diagram, and thereafter convert the color-cast-removed rgbw luminance output values into corresponding rgbw output signals respectively and output the same. By means of the above method provided in the present disclosure, color having monochromatic shifting among rgbw can be compensated back to the expected rgbw color coordinates and luminance values, so the problems of color gamut deviation and color distortion caused by rgbw monochromatic color cast are eliminated, color gamut of the displayed image is more accurate..
Boe Technology Group Co., Ltd.
Phosphor, light-emitting element and lighting device
Provided is a li-solid-solubilized α-sialon phosphor containing li+ solid-solubilized for stabilization of the structure which is higher in luminous efficiency than any phosphor currently available and a light-emitting element and a lighting device comprising the same. An eu-activated li-solid-solubilized α-sialon, having a lattice constant a of 0.7820 to 0.7835 nm, a lattice constant c of 0.5645 to 0.5670 nm, an oxygen content of 0.4 to 1.2 mass %, and an europium (eu) content of 0.3 to 1.2 mass %, and emitting a light having a peak wavelength of 580 to 595 nm in the fluorescence spectrum obtained when it is excited by a monochromatic light having a peak wavelength in the range of 450 to 460 nm..
Denki Kagaku Kogyo Kabushiki Kaisha
Laser-assisted machining (lam) of hard tissues and bones
An apparatus and method for laser-assisted machining (lam) of bone without raising the temperature of the surrounding bone is discussed. The method of lam of bone involves determining a target bone needing to be machined an then scanning a high power density laser beam along the bone at a machining rate that produces low-heat affected zones (haz) on the target bone.
University Of North Texas
Low-light trail camera
A trail camera that provides improved image capture performance in no-light or low-light conditions by using an image sensor that is sensitive to low-light conditions and has a sensitivity range encompassing visible and near infrared wavelengths. The image sensor may produce monochromatic image signals to be more sensitive and provide higher contrast imagery in both day and night conditions.
The Samuel Roberts Noble Foundation, Inc.
Image forming apparatus
An image forming apparatus includes a plurality of image bearers, a transfer bias member, and a power source. When the transfer bias member transfers a color toner image onto a recording sheet, a second peak value of a peak-to-peak of a transfer bias, which is smaller than a first peak value of the peak-to-peak in an electrostatic force to move toner from the image bearers or an intermediate transfer body to the recording sheet, is zero or has a first polarity to generate the electrostatic force in a transfer direction to move toner from the image bearers or the intermediate transfer body to the recording sheet.
Method of manufacturing printed circuit board and inspecting printed circuit board
A printed circuit board is fabricated in a manufacturing process. In an inspection process, first and second light sources of an inspection device irradiate the printed circuit board with first and second light having first and second wavelength distributions.
Nitto Denko Corporation
Xrf system having multiple excitation energy bands in highly aligned package
An x-ray analysis apparatus for illuminating a sample spot with an x-ray beam. An x-ray tube is provided having a source spot from which a diverging x-ray beam is produced having a characteristic first energy, and bremsstrahlung energy; a first x-ray optic receives the diverging x-ray beam and directs the beam toward the sample spot, while monochromating the beam; and a second x-ray optic receives the diverging x-ray beam and directs the beam toward the sample spot, while monochromating the beam to a second energy.
X-ray Optical Systems, Inc.