This page is updated frequently with new Incident Light-related patent applications.
|| List of recent Incident Light-related patents
| Illumination device, projection apparatus, lens array, and optical module|
An illumination device has a plurality of first lens elements to collect incident light beams, and a field lens to guide each of the light beams that have passed through the plurality of first lens elements to an entire region of a specific area. The plurality of first lens elements include at least two first lens elements having different lens diameters from each other.
| Machine-readable glass|
In one embodiment, a sidewalk-facing display window of a retail store is treated to scatter (or absorb) a portion of incident light, in a narrow wavelength spectral band. A machine-readable pattern, which encodes an identifier, is projected onto the treated window from outside the store.
| Backlight module, transparent display panel and transparent display apparatus|
A backlight module, a transparent display panel and a transparent display apparatus provided comprises a edge-lit light source for providing incident light, a transparent scattering plate for scattering the incident light from the edge-lit light source and an external environment, a transparent light-guiding plate for guiding the direction of the light, a controller for adjusting the edge-lit light source according to the intensity of the light from the external environment. The scattering plate and the transparent light-guiding plate both receive the light from the built-in edge-lit light source and the environmental light for improving light utilization..
| Diffraction optical element, projection device, and measurement device|
In a diffraction optical element according to the invention, a divergence angle converting function that is a function of converting the divergence angle of incident light due to diffraction effect and a light beam splitting function that is a function of splitting an incident light beam into a plurality of light beams due to diffraction effect are combined so that incident light as divergent light is split into a plurality of diffracted lights with different divergence angles from the divergence angle of the incident light and the diffracted lights is emitted.. .
| Device for optical profilometry with conical light beams|
There is described an optical system for sensing the surface of an object. The system comprises: a light source for emitting at least one light beam centered on the optical axis of the system; a light reflector for reflecting the at least one incident light beam to generate at least two hollow conical light beams centered on the optical axis and having different opening angles, the at least two reflected hollow conical light beams for illuminating the surface; and an image capture device for imaging the illuminated surface..
|Image reader comprising cmos based image sensor array|
The invention features an image reader and a corresponding method for capturing a sharp distortion free image of a target, such as a one or two-dimensional bar code. In one embodiment, the image reader comprises a two-dimensional cmos based image sensor array, a timing module, an illumination module, and a control module.
Hand Held Products, Inc.
|Photoelectric conversion element, image reading device, image forming apparatus, and photoelectric conversion method|
Multiple photodetectors that photoelectric convert incident light to output a pixel signal; multiple analog/digital (a/d) convertors that a/d convert a plurality of pixel signals that are output by the photodetectors in parallel in a plurality of systems; a retaining unit that retains the pixel signals a/d converted in parallel by the a/d convertors in an aligned manner in one direction, to be arranged in reading order from a first pixel signal to a final pixel signal; and multiple transfer units that transfer the pixel signals arranged and retained by the retaining unit, sequentially from the first pixel signal from a first-pixel-signal retaining position toward a final-pixel signal retaining position of the retaining unit are included.. .
|Multi-junction solar cell and manufacturing thereof|
A multi-junction solar cell is provided and includes: a first solar cell element, having a first band gap and transmitting a part of incident light; a first conductive film, formed on a back surface of the first solar cell element and having light transmissivity and conductivity; a second solar cell element, having a second band gap smaller than the first band gap; a second conductive film, formed on a front surface of the second solar cell element and having light transmissivity and conductivity; and an adhesion layer, joining surfaces of the first and second conductive films, and having light transmissivity and conductivity. When refractive indexes of the first solar cell element, the first conductive film, the second solar cell element, the second conductive film and the adhesion layer are n1, n2, n3, n4 and n5, respectively, relations of n1>n2>n5 and n3>n4>n5 are satisfied..
Nissin Electric Co., Ltd.
|Curved image sensor, fabricating the same, and electronic device having the same|
A curved image sensor includes a supporting substrate, a bonding pattern provided over the supporting substrate a sensing substrate provided over the supporting substrate and in contact with the bonding pattern, and having a curved surface receiving incident light, and a fixing pattern provided over the supporting substrate and surrounding a periphery of the sensing substrate.. .
Sk Hynix Inc.
|Solid-state image sensor and image capturing apparatus using the same|
The present invention provides a solid-state image sensor in which degradation in image quality can be reduced. The solid-state image sensor includes an optical isolation layer between a pupil dividing unit and a plurality of photoelectric conversion units.
Canon Kabushiki Kaisha
Optically variable areal pattern
An optically variable areal pattern has a reflection layer and a micromirror arrangement comprising a plurality of semitransparent micromirrors developed on the reflection layer. The micromirrors are inclined with respect to the reflection layer, such that, by specular reflection, light incident on the micromirror arrangement is reflected on the semitransparent micromirrors.
Giesecke & Devrient Gmbh
Polarizing plate, tft substrate including the polarizing plate, and manufacturing the polarizing plate
A polarizing plate includes a substrate and a conductive pattern layer including a first pattern and a second pattern. The first pattern includes line-shaped structures disposed at intervals with a period shorter than a wavelength of incident light to be isolated from one another, the first pattern configured to transmit first polarized light of the incident light therethrough and reflect second polarized light of the incident light that is perpendicular to the first polarized light.
Samsung Display Co., Ltd.
Thin-film broadband and wide-angle devices for generating and sampling polarization states
Exemplary thin-film optical devices have first and second layer groups disposed as a layer stack on a substrate. The first layer group comprises a first ppn layer, a first lcp layer, and a first barrier layer all superposed.
The Arizona Board Of Regents On Behalf Of The University Of Arizona
Self-referencing localized plasmon resonance sensing device and system thereof
A self-referencing localized plasmon resonance sensing device and a system thereof are disclosed. The reference optical waveguide element is modified with a noble metal nanoparticle layer.
National Chung Cheng University
Thin-film curvature measurement apparatus and method thereof
An apparatus for measuring of a curvature of a thin film, is adapted to measure the curvature of a thin-film. The apparatus includes a light emitting module, a first optical module, a second optical module, a third optical module, an image capture module, and an image analysis module.
Industrial Technology Research Institute
Method and controlling white balance
A method comprising: capturing, by an electronic device, a first incident light sample and generating an image based on the first incident light sample; capturing, by the electronic device, a second incident light sample and identifying a light source type associated with the second incident light sample; and adjusting a white balance of the image according to the light source type.. .
Samsung Electronics Co., Ltd.
Image sensor chip sidewall interconnection
An image sensor chip having a sidewall interconnect structure to bond and/or electrically couple the image sensor chip to a package substrate is provided. The image sensor chip includes a substrate supporting an integrated circuit (ic) configured to sense incident light.
Taiwan Semiconductor Manufacturing Co., Ltd.
Provided is an image-acquisition device including a first image-acquisition surface including a photoelectric conversion film capable of subjecting incident light to photoelectric conversion while transmitting some of the incident light; a second image-acquisition surface including a photoelectric conversion layer that subjects the incident light transmitted by the first image-acquisition surface to photoelectric conversion; and a polarizing filter that is disposed between the two image-acquisition surfaces and that extracts polarization information from the incident light transmitted by the first image-acquisition surface.. .
A display device includes a light modulation layer having predetermined refractive index anisotropy and including plural light modulation areas which differ in responsiveness to an electric field generated by electrodes, a polarization layer which is disposed on the front side of the light modulation layer, on which side external light enters, which shuts out light other than light having a predetermined polarization direction, a reflection layer disposed on the back side of the light modulation layer, and a phase retardation layer which is disposed between the polarization and light modulation layers, which creates a predetermined phase difference between incident light entering through the polarization layer and reflected light from the reflection layer, and which polarizes the reflected light in a direction different from the predetermined polarization direction. The light modulation layer transmits the reflected light when no electric field is generated and scatters it otherwise..
Japan Display Inc.
Dual-sided film with compound prisms
Dual-sided optical films have extended prisms formed in one major surface, and extended lenslets formed in an opposite major surface. Some or all of the prisms are compound prisms, in which the two inclined surfaces of each compound prism each include a tip portion, a base portion, and an intermediate portion disposed between the tip portion and the base portion, the intermediate and tip portions forming a concave shape and the intermediate and base portions forming a convex shape, or vice versa.
3m Innovative Properties Company
Antireflection film and organic light emitting device provided with the same
An organic light emitting device includes an anti-reflection film including a polarizer and a compensation film positioned on the polarizer and including a liquid crystal layer which includes liquid crystals oriented in a direction tilting obliquely with respect to a surface of the liquid crystal layer extending in a horizontal direction in a cross sectional view, tilt angles of the liquid crystals are gradually larger from the first side to the second side, a maximum tilt angle of the liquid crystals with respect to the surface of the liquid crystal layer is from about 15° to about 80°, and in-plane retardation (re) of the liquid crystal layer for incident light of a 450 nm wavelength and a 550 nm wavelength satisfies a relationship 1.. .
Samsung Electronics Co., Ltd.
The invention concerns a film element having a replication layer (43), wherein an optically active surface structure (27) is shaped in a first surface of the replication layer. The surface structure is formed in at least a first region of the film element (35) by a first diffractive surface relief (46) comprising a plurality of successive elements following a first envelope curve (47), wherein the elements respectively comprise an element surface (48) arranged substantially parallel to a base surface and at least one flank adjoining the adjacent element surface or surfaces, the element surfaces (48) of adjacent elements are spaced in a direction perpendicular to the base plane, with a first optical spacing or a plurality of the first optical spacing, wherein the first optical spacing is between 150 nm and 800 nm, preferably between 150 nm and 400 nm.
3d-effect led illuminating device with scattering system
Illuminating device, especially for an automotive vehicle. It comprises a combination of means essentially composed of: a) substantially perpendicular to the leds (5), in front of the illuminating face of the leds, a system comprising opaque parallel plates (1, 2) at least one of the faces of which is a light colour, preferably a white colour, •at least two of said parallel plates defining a channel at the bottom of which said leds are distributed, and •said wall-forming plates being arranged substantially perpendicular to the midplane of said pcb so as to channel the light emitted by said leds, and •the at least one light- or white-coloured face of said plates being turned towards the interior of said channel; and (b) near the frontal end of said channel, level with said end or preferably upstream of said end, a substantially planar reflector (7), and downstream from the latter, in the direction of light emission/transmission in operation, a semi-transparent screen (8) substantially parallel to said reflector, comprising, on at least one of its two main faces, elements promoting the dispersion of the incident light..
Automotive Lighting Rear Lamps France
A light deflecting device selectively reflects an incident light to a projection optical system. An irradiation optical system irradiates light to a reflective part of the light deflecting device.
Koito Manufacturing Co., Ltd.
Thin film iii-v optoelectronic device optimized for non-solar illumination sources
An optoelectronic device with high band-gap absorbers optimized for indoor use and a method of manufacturing are disclosed. The optoelectronic semiconductor device comprises a p-n structure made of one or more compound semiconductors, wherein the p-n structure comprises a base layer and an emitter layer, wherein the base and/or emitter layers comprise materials whose quantum efficiency spectrum is well-matched to a spectrum of incident light, wherein the incident light is from a light source other than the sun; and wherein the device is a flexible single-crystal device.
Alta Devices, Inc.
Solar to electric energy conversion device
The present invention features a solar-to-electric energy conversion device based on a light absorbing electrode coupled to a one-dimensional nanoparticle based photonic crystal. The function of the latter is to localize the incident light within the electrode thus enhancing the optical absorption and the power conversion efficiency of the so called dye-sensitized and organic (polymer based or hybrids) cell.
Nlab Solar Ab
Compensation film, and optical film and display device including the same
A compensation film includes a first retardation layer comprising a polymer having negative birefringence, and a second retardation layer comprising a polymer having negative birefringence, where the first retardation layer has an in-plane retardation (re1) in a range of about 180 nanometers to about 300 nanometers for incident light having a wavelength of about 550 nanometers, the second retardation layer has an in-plane retardation (re2) in a range of about 60 nanometers to about 170 nanometers for the incident light having the wavelength of about 550 nanometers, and the entire in-plane retardation (re0) of the first retardation layer and the second retardation layer for incident light having wavelengths of about 450 nanometers and about 550 nanometers satisfies the following inequation: re0(450 nm)<re0(550 nm).. .
Samsung Sdi Co., Ltd.
Surface inspecting method
A surface inspecting method includes: irradiating an incident light beam of a first polarized state on a target object, the incident light beam comprising parallel light and having a cross-sectional area: measuring a second polarized state of a reflected light beam reflected from the target object; and performing inspection on an entire area of the target object on which the incident light beam is irradiated, based on a variation between the first polarized state and the second polarized state.. .
Samsung Electronics Co., Ltd.
In a rotary encoder of the present invention, each track of a rotary disk has transmitting parts and non-transmitting parts alternately arranged in the circumferential direction. Each non-transmitting part has a plurality of projecting parts which are arranged side by side in the circumferential direction.
Wavelength converting member and projector including the wavelength converting member
A wavelength converting member includes at least a first, second, and third regions, circumferentially on a disc-shaped light-transmissive substrate. The first region includes, from a light incident direction, a first and second phosphor layers.
Image sensing device with cover plate having optical pattern thereon
An image sensing module is provided, which includes an image sensor, a cover plate and an optical pattern. The image sensor has a light sensitive area for receiving incident light and a peripheral area surrounding the light sensitive area.
Himax Imaging Limited
Optical communication module
Optical communication module. The optical communication module includes an optical-connector input and output unit that is provided on a first face of a substrate, the optical-connector input and output unit including a first light reflection member which is arranged at each of n grid points and which reflects incident light at a right angle; an optical-device optical input and output unit that is provided in adjacent to the optical-connector input and output on the first face of the substrate including n second light reflection members which are arranged in a linear manner with spaces therebetween; a plurality of optical waveguides that are provided on the first face of the substrate; and an optical device that is provided on a second face of the substrate, the optical device including n light-receiving units or n light-emitting units which are aligned with n light transmission units of the substrate..
International Business Machines Corporation
Led element and manufacturing the same
An led element comprises a semiconductor lamination part that includes a light-emitting layer, a diffractive surface on which light emitted from the light-emitting layer is incident and on which projection parts are formed with a period larger than an optical wavelength of the light and smaller than a coherence length of the light and which reflects the incident light in a plurality of modes according to a bragg diffraction condition and transmits the incident light in a plurality of modes according to the bragg diffraction condition, and a reflecting surface that reflects light refracted by the diffractive surface so that the reflected light is incident on the diffractive surface again, wherein the semiconductor lamination part is formed on the diffractive surface without any void around the projection parts and a proportion of a flat part in the diffractive surface is 40% or more in a plan view thereof.. .
Liquid crystal display device and manufacturing method thereof
A liquid crystal display device is disclosed. The liquid crystal display device includes a first substrate, a second substrate opposite of the first substrate, and a tft layer on the first substrate.
Tianma Micro-electronics Co., Ltd.
Liquid crystal display having photo-sensing input mechanism
A liquid crystal display having photo-sensing input mechanism includes a first gate line for transmitting a first gate signal, a second gate line for transmitting a second gate signal, a data line for transmitting a data signal, a pixel unit for outputting an image signal according to the first gate signal and the data signal, a readout line for transmitting a readout signal, a photo-sensing input unit and a driving adjustment unit. The photo-sensing input unit is utilized for generating a sensing voltage according to a driving voltage and an incident light signal, and is further utilized for outputting the readout signal according to the sensing voltage and the first gate signal.
Au Optronics Corp.
An electro-optic assembly for use in a vehicle having a windshield is provided and includes a first arcuate substrate having a first surface with an anti-reflective coating and a second surface. A second arcuate substrate includes a third surface and a fourth surface with an anti-reflective coating.
Grating based optical coupler
An apparatus including a waveguide region configured to guide light propagating along a first direction; a reflector region configured to reflect incident light; an interference region formed between the waveguide region and the reflector region, the interference region configured to confine at least a portion of interference light formed by the incident light and the reflected incident light; and a grating region including a grating formed on a region confining at least a portion of the interference light, the grating configured to couple at least a portion of the light along a second direction that is different from the first direction.. .
Method and manipulating near field using light scattering
An apparatus for manipulating surface near-field light resulting from light emitted from a light source that passes through a scattering layer is disclosed. Also, a method of finding a phase of incident light to cause constructive interference at a target spot using light scattering to manipulate the surface near-field..
Korea Advanced Institute Of Science And Technology
Sensor device for use in a medical fluid delivery system
A sensor device for use in a medical fluid delivery system, or an infusion pump device, comprises a fluidic chamber with a deformable cover closing at least an area of the chamber and an optical detection system comprising at least one light emitter for emitting one or more incident light beams and a sensor unit for monitoring one or more reflected light beams is presented. In a pressurized state of the fluidic chamber, the deformable cover is deformed such that it forms an inflexion point area within the deformed cover.
Roche Diagnostics International Ag
Solid-state imaging device, manufacturing method therefor, and imaging apparatus
A solid-state imaging device includes: a first chip including a pixel array in which a plurality of photoelectric conversion portions converting incident light into an electric signal are disposed; a second chip having an area in a plan view less than an area of the first chip in the plan view and electrically and physically connected to the first chip; and a support portion provided to cover an entire region which is not covered with the second chip in a surface of the first chip connected to the second chip and configured to support the first chip so that flatness of the first chip may be maintained.. .
Light flux diameter-expanding element and display apparatus
A light flux diameter-expanding element (pupil expanding element) which is used in a retina scanning type display apparatus includes a first diffraction grating having a grating pattern extending in a first direction x, a second diffraction grating, a third diffraction grating, and a fourth diffraction grating, and expands a diameter of the incident light flux in a second direction y so as to emit the light. In addition, the light flux diameter-expanding element includes a fifth diffraction grating having a grating pattern extending in the second direction y, a sixth diffraction grating, a seventh diffraction grating, and an eighth diffraction grating, and expands a diameter of the incident light flux in the first direction x so as to emit the light..
Seiko Epson Corporation
Multipass virtually imaged phased array etalon
An example system determines biomechanical properties of eye tissue. The system includes a confocal microscopy system configured to scan the incident light across a plurality of cross-sections of the tissue.
Method and system for determining strain distribution in a sample
A control system is presented for use in measuring one or more parameters of a sample. The control system comprises an input utility and a processor utility.
Nova Measuring Instruments Ltd.
Device for compensating for the drift of a phase shift of a device for modulating the polarization state of a light beam
A device for analyzing and/or generating a polarization state of a measurement point of a target object includes a polarizer suitable for selecting, in an incident light wave, a light beam which is linearly polarized in a predefined direction; a first birefringent element suitable for having the light beam pass therethrough; a second birefringent element identical to the first element and suitable for having the light beam pass therethrough, the light beam then being directly or indirectly directed toward the object in order to be reflected in the form of a reflected beam. The device includes an optical assembly having one or more optical elements located in an optical path between the first element and the second element, and the optical assembly includes an odd number of mirrors, or, an odd number of half-wave plates, or, an odd number of a mix of mirrors and half-wave plates..
Centre National De La Recherche Scientifique - Cnrs-
A vehicular lamp includes a plurality of light sources (7); a first lens (8) with an incident surface (11) upon which light emitted from the light sources (7) is incident and an emission surface (12) from which an incident light from the incident surface (11) is emitted; and a second lens (9) with a light incident surface (15) upon which the light emitted from the emission surface (12) of the first lens (8) is incident and a light emission surface (16) from which an incident light from the light incident surface (15) is emitted. A reflective portion (13) that internally reflects the incident light from the incident surface (11) toward the emission surface (12) is formed on the first lens (8), and a diffusion processing portion (15a) that diffuses light is formed on the light incident surface (15) of the second lens (9)..
Toyota Jidosha Kabushiki Kaisha
An image sensor for converting incident light into digital signals is disclosed. In one aspect, the image sensor includes a matrix of light-sensitive pixels arranged in a plurality of pixel columns each having a predetermined lateral extent.
Piezoelectric layer, piezoelectric component, piezoelectric actuator, piezoelectric sensor, hard-disk drive and ink jet printer
A piezoelectric layer made of potassium sodium niobate which is a perovskite type compound represented by the formula abo3, wherein, in the raman spectroscopy measurement of the piezoelectric layer which is performed while the piezoelectric layer is rotated in the in-plane direction, the measured intensity of the lattice vibration region of the perovskite type compound in the raman spectrum obtained in polarized raman spectroscopy measurement (yx) has a periodicity of approximately 90°, wherein, the polarized raman spectroscopy measurement (yx) is performed while the piezoelectric layer is rotated in the in-plane direction and raman scattering light is polarized in a direction perpendicular to that of the incident light.. .
Concentrating optical waveguide and containment chamber system
In embodiments of the present invention improved capabilities are described for a concentrating optical waveguide and containment facility comprising wide acceptance angle, high ratio, solar concentrators where the facility operates independent of the need for solar tracking. The invention utilizes unique non-focusing waveguide optics and containment chambers to concentrate and contain incident light such that the effective concentration is the ratio of incident surface area to the power producing element within or at the exit of the containment chamber..
Semiconductor device, manufacturing method thereof and imaging apparatus
A semiconductor device for converting incident light into an electric current includes a semiconductor substrate; an electrode embedded in the semiconductor substrate; an insulation film contacting the electrode in the semiconductor substrate; a first semiconductor region of a first conductivity type, a second semiconductor region of a second conductivity type and a third semiconductor region of the first conductivity type, formed sequentially in a depth direction from a side of a front face of the semiconductor substrate; and a fourth semiconductor region of the second conductivity type contacting the insulation film and the second semiconductor region. An impurity concentration of the fourth semiconductor region is greater than an impurity concentration of the second semiconductor region..
Ricoh Company, Ltd
Turn signal lamp assembly for vehicle door mirror, and vehicle door mirror
A casing of a turn signal lamp assembly includes a lamp housing and an outer lens, each of which includes a transparent member, being overlaid on each other and joined to each other at peripheral edges. The lamp housing includes a light entrance portion that receives incident light emitted from a light source, a light-guiding lens portion that guides the incident light, and a light exit portion that outputs the guided light..
Methods for polishing inorganic substrates
A method for treating a surface of inorganic flooring (e.g., concrete, terrazzo, or a ceramic) includes applying a composition that includes a silicate to a surface of the inorganic flooring and, while the composition is present on the surface, polishing the surface. The silicate may be a lithium polysilicate and/or a colloidal silica.
Advanced Concrete Technologies Llc
Polarization-dependent lens structure and manufacturing the same
Provided is a polarization-dependent lens structure. The lens structure includes an optically-isotropic polymer layer having a reverse lens shape on a first surface and a lens portion where the surface of the optically-isotropic polymer layer is filled with liquid crystalline polymers, nano-scale 1d lattice structures (nano-scale grooves) are formed on an upper surface thereof, and the liquid crystalline polymers are aligned by the nano-scale 1d lattice structures along a direction of long axes of the 1d lattice structures, wherein it is determined according to a polarization direction of incident light whether or not the polarization-dependent lens structure operates as a lens..
Kyungpook National University Industry-academic Cooperation Foundation
Backlighting module and light guide module both comprising gradient index lens
A light guide module includes a light guide plate and a gradient index lens. The light guide plate has a light output surface and a light incident surface.
Non-invasive wine taint detector
A system includes a computing device including a memory configured to store instructions. The computing device also includes a processor to execute the instructions to perform operations including initiating transmission of incident light from one or more light sources to a sealed bottle containing liquid.
Vector light sensor and array thereof
A vector light sensor (vls) includes a substrate and a sensor structure. The substrate includes a major surface.
Simon Fraser University
Vector light sensor and array thereof
A vector light sensor (vls) includes a substrate and a sensor structure. The substrate includes a major surface.
Simon Fraser University
Wavelength conversion device, manufacturing method thereof, and related illumination device
A wavelength conversion device, a manufacturing method thereof, and a related illumination device. The wavelength conversion device comprises a fluorescent powder layer (110) that is successively stacked, a diffuse reflection layer (120), and a high-thermal-conductivity substrate (130).
Appotronics China Corporation
Isolated global shutter pixel storage structure
A pixel cell includes a photodiode disposed in a semiconductor material to accumulate image charge in response to incident light directed to the photodiode. A global shutter gate transistor disposed in the semiconductor material and is coupled to the photodiode to selectively deplete the image charge from the photodiode.
Omnivision Technologies, Inc.
Imaging element and manufacturing the same
A solid-state image sensor including a substrate having a photoelectric conversion element disposed therein, the photoelectric conversion element converting an amount of incident light into a charge amount, a memory unit disposed at a side of the photoelectric conversion element, the memory unit receiving the charge amount from the photoelectric conversion element, a first light-shielding section formed at a first side of the memory unit and disposed between the charge accumulation region and the photoelectric conversion element, and a second light-shielding section formed at a second side of the memory unit such that the second side is opposite the first side.. .
A display device includes a light modulation layer and a light source. The light modulation layer is disposed between a pair of transparent substrates, has determined refractive index anisotropy, and includes plural light modulation elements which differ in responsiveness to an electric field generated by electrodes formed on a transparent substrate.
Japan Display Inc.
Optical scanner apparatus
An optical scanner apparatus that oscillates a mirror to scan incident light, includes an optical scanner unit that includes a sensor that detects an oscillation angle of the mirror, and an interconnect connected to the sensor; and a shading unit that shades the sensor and the interconnect from stray light of the incident light and ambient light.. .
Mitsumi Electric Co., Ltd.
Light down conversion film and display backlight unit using the same
The disclosure provides a display backlight unit and its light down conversion film. The light down conversion film may include a quantum-dot layer sandwiched between input substrate and an exit substrate.
Industrial Technology Research Institute
Optical effect structures
The present invention provides an optical coating structure (10) applied to the surface of an object. “scattering structures” are introduced to the basal, upper or middle layers of a multilayer reflector to cause a particular (calculated) degree of scattering, or to the surface of a black/color pigmented object to cause either enhanced transmission at the environment-object interface or omni-directional (as opposed to directional) reflections of which only a narrow portion can be observed.
Spectroscopy systems and methods using quantum cascade laser arrays with lenses
A spectroscopy system includes an array of quantum cascade lasers (qcls) that emits an array of non-coincident laser beams. A lens array coupled to the qcl array substantially collimates the laser beams, which propagate along parallel optical axes towards a sample.
Pendar Technologies, Llc
Optical module, electronic device, and driving optical module
Provided is an optical module including a wavelength-selective interference filter capable of selecting light of a predetermined wavelength from incident light and changing the wavelength of emitted light, a rolling shutter capturing element in which a light receiving process including a light exposing period for accumulating charges as well as a light blocking period for outputting a detection signal corresponding to the charges accumulated during the light exposing period is sequentially performed in a delayed manner per pixel row configured of a plurality of pixels, and a filter drive unit controlling a wavelength changing drive of the wavelength-selective interference filter.. .
Seiko Epson Corporation
Image pickup apparatus
An image pickup apparatus, including: an image pickup element including pixels arranged two-dimensionally; a photoelectric converter arranged for each of the pixels and configured to generate a charge corresponding to incident light amount; a switching unit configured to switch between states of the charge of the photoelectric converter being transferable and not transferable to a charge retainer; a correction data generator configured to read a signal for each pixel from the charge retainer under a state of the charge of the photoelectric converter being not transferable to the charge retainer, to generate noise correction data for each pixel; and a pixel noise corrector configured to read the signal for each pixel from the charge retainer under a state of the charge of the photoelectric converter being transferable to the charge retainer, to thereby correct noise for each pixel based on the noise correction data generated by the correction data generator.. .
Solid-state imaging device and manufacturing the same, and electronic apparatus
The present disclosure relates to a solid-state imaging device, a method for manufacturing the same, and an electronic apparatus capable of improving sensitivity while suppressing degradation of color mixture. The solid-state imaging device includes an anti-reflection portion having a moth-eye structure provided on a boundary surface on a light-receiving surface side of a photoelectric conversion region of each pixel arranged two-dimensionally, and an inter-pixel light-blocking portion provided below the boundary surface of the anti-reflection portion to block incident light.
Method of manufacturing substrate of organic light-emitting display device
A method of manufacturing a substrate of an organic light-emitting display device, the method including: forming, on a first surface of a transparent substrate, a photothermal conversion layer configured to covert incident light into thermal energy; forming partition walls on the first surface in a first region of the photothermal conversion layer, the partition walls including a photosensitive compound including a resorcinarene, the resorcinarene including a perfluorocarbon group; forming an organic material layer on the first surface in a second region of the photothermal conversion layer, the second region being defined by the partition walls; removing the partition walls; placing a target substrate over the organic material layer; and applying light to a second surface of the transparent substrate, the second surface being opposite the first surface of the transparent substrate.. .
Pixels of image sensors, image sensors including the pixels, and image processing systems including the image sensors
Pixels of image sensors are provided. The pixels may include a photo diode configured to accumulate photocharges generated therein corresponding to incident light during a first period, a storage diode configured to store photocharges accumulated in the photo diode and a storage gate configured to control transfer of the photocharges accumulated in the photo diode to the storage diode.
Solid-state imaging device, manufacturing the same, and imaging apparatus
A solid-state imaging device includes a photoelectric conversion section which is disposed on a semiconductor substrate and which photoelectrically converts incident light into signal charges, a pixel transistor section which is disposed on the semiconductor substrate and which converts signal charges read out from the photoelectric conversion section into a voltage, and an element isolation region which is disposed on the semiconductor substrate and which isolates the photoelectric conversion section from an active region in which the pixel transistor section is disposed. The pixel transistor section includes a plurality of transistors.
Solid-state imaging device
A backside illumination-type solid-state imaging device is provided in which an amount of accumulated charge of a photodiode is increased and a read out path of a stacked-type photodiode is simplified. A photodiode of a backside illumination-type solid-state imaging device is made to be of an accumulation gate structure, and thereby the amount of accumulated charge and sensitivity are increased.
Embodiments of an optical mask include a base substrate having one surface and an opposed other surface; a reflection pattern layer formed on the one surface of the base substrate, the reflection pattern layer having one surface and an opposed other surface and including a cut portion which light radiated from the other surface of the base substrate penetrates and a reflection unit reflecting the light; and a photothermal conversion pattern layer in a region overlapped with the cut portion. The photothermal conversion pattern layer is divided into a first region having high light absorptance and a second region having lower light absorptance than the first region.
Electro-optic phase modulator and modulation method
The electro-optic phase modulator intended to modulate the optical phase of a lightwave incident on the modulator, includes an electro-optic substrate having an entrance face and an exit face, an optical waveguide of refractive index (ng) higher than that (ns) of the substrate, continuously rectilinear from a guide entrance end located on the entrance face to a guide exit end located on the exit face, and which is adapted to guide the incident lightwave partially coupled in the waveguide into a guided lightwave propagating along the optical path of the waveguide between the guide entrance end and exit end, and at least two modulation electrodes arranged parallel to the waveguide, so as, when a modulation voltage (vm(t)) is applied between these modulation electrodes, to introduce a modulation phase-shift, function of the modulation voltage, in the guided lightwave. The phase modulator further includes elements for the electric polarization of the substrate..
Electro-optic phase modulator
The electro-optic phase modulator, intended to modulate the optical phase of an incident lightwave, includes an electro-optic substrate with an entrance face and an exit face; an optical waveguide extending between a guide entrance end located on the entrance face and a guide exit end located on the exit face, the incident lightwave being partially coupled in the waveguide into a guided lightwave propagating in an optically guided manner along the optical path of the waveguide between the entrance end and the exit end; at least two electrodes arranged at least partially along the waveguide, parallel to and on either side of the latter, defining between each other an inter-electrode gap, which allow to introduce, when a modulation voltage is applied between them, a modulation phase-shift, function of the modulation voltage, on the guided lightwave. The waveguide has one first curved guide portion between the entrance end and the electrodes..
Device for converting unpolarized incident light into polarized emitting light
A converting device converts an unpolarized incident light into a polarized emitting light. The converting device includes a polarizing or polarization beam splitter, a converting module, and a retroreflector.
High power misalignment-tolerant fiber assembly
Fiber burning and/or overheating of the fiber feedthrough in high-power laser modules, which may cause catastrophic and/or collateral damage, may be addressed by providing an optical fiber assembly designed to withstand overheating due to errant high power laser light that is directed toward the input core of a fiber but may be at least partially misaligned. The optical fiber may be secured within a mount having a passageway such that the end face of the optical fiber extends past an opening of the passageway to a focal plane of the incident light.
The present invention provides a display device which can attain higher contrast than that of the conventional display device. The display device (1) comprises: an image light source (2); and an optical sheet (10) having a plurality of layers for controlling an incident light from the image light source and for outputting the light to the observer side, wherein the optical sheet comprises an optical functional sheet layer (12) in which light-transmissive portion(s) (13) configured to transmit light and light-absorbing portion(s) (14) configured to absorb light are alternately arranged along the sheet plane, and only one layer (11) or a plurality of layers of which refractive indices are substantially the same is(are) provided on the observer side of the optical functional sheet layer..
Method and system for measuring patterned structures
A method and system are presented for determining a line profile in a patterned structure, aimed at controlling a process of manufacture of the structure. The patterned structure comprises a plurality of different layers, the pattern in the structure being formed by patterned regions and un-patterned regions.
Method and eyeglass for the recovery and repair of eyesight
Corrective eyeglass composed of an eyeglass frame designed for holding and positioning the eyeglass on the head; containing two fixed optical elements influencing the passage of the received light, a control unit exerting temporal control over the optical characteristics of said optical element, and one power supply unit supplying at least one optical element and at least one control unit with electrical energy, wherein the optical element influencing the passage of incident light is embodied as a controlled light shutter, at least one control unit is electrically connected to the control unit, and said control unit is embodied as a control unit influencing the optical characteristics of at least one optical element based on a pre-defined controlling signal and providing asymmetric control with a frequency in the range of 0.2 hz to 0.8 hz to the optical elements.. .
An imaging device according to one aspect of the present disclosure includes: a first image pickup cell comprising a first photoelectric converter that converts incident light into a first charge, a first charge detection circuit that is electrically connected to the first photoelectric converter and detects the first charge, and a first capacitive element one end of which is electrically connected to the first photoelectric converter, the first capacitive element storing at least a part of the first charge; and a second image pickup cell comprising a second photoelectric converter that converts incident light into a second charge, and a second charge detection circuit that is electrically connected to the second photoelectric converter and detects the second charge.. .
To provide an imaging device in which incident light can be converted into an appropriate electric signal. The imaging device includes a photoelectric conversion element, a first transistor, a second transistor, a third transistor, and a fourth transistor.
Depth sensor based auto-focus system for an indicia scanner
An indicia reading terminal has a three-dimensional depth sensor, a two dimensional image sensor, an autofocus lens assembly, and a processor. The three dimensional depth sensor captures a depth image of a field of view and create a depth map from the depth image, the depth map having one or more surface distances.
Optical imaging processing system
The present invention provides an optical imaging processing system. The system includes a screen, an incident light source, and at least one optical transmission medium, where the optical transmission medium is disposed in an optical imaging path in which the incident light source is emergent and is projected to the screen; an light incident face of the optical transmission medium faces the incident light source, and an light exiting face of the optical transmission medium faces the screen, where at least one cavity is included between the light incident face and the light exiting face of the optical transmission medium, and a cross-section shape of the cavity is an isosceles trapezoid; and the cavity includes a light transmission area and a light blanking area used for object accommodation, and the optical imaging path bypasses the light blanking area and penetrates through the optical transmission medium through the light transmission area..
Illumination light guide
A light guide of a vehicular lamp includes a first light guide body that guides the incident light from a stationary side light source, and a second light guide body that guides the incident light from a movable side light source. The first light guide body is formed in a twisted bow shape.
Authentication structure/apparatus and method
According to an aspect of an exemplary embodiment, an authentication apparatus for authenticating an object includes an input coupler configured to receive incident light and generate surface plasmons from the incident light; and an output coupler configured to output a speckle pattern based on the surface plasmons.. .
Lamp for vehicle
A lamp for a vehicle includes a light source producing light and a reflector receiving light from the light source and making energy density per unit area of a portion of the exiting light different from that of the incident light.. .
Image sensors and related methods and electronic devices
An image sensor is provided including a pixel array, a correlated double sampling (cds) unit, an analog-digital converting (adc) unit, a control unit, and an overflow power voltage control unit. The pixel array includes at least one unit pixel that generates accumulated charges corresponding to incident light in a photoelectric conversion period and outputs an analog signal based on the accumulated charges in a readout period.
Imagers with depth sensing capabilities
An imager may include depth sensing pixels that provide an asymmetrical angular response to incident light. The depth sensing pixels may each include a substrate region formed from a photosensitive portion and a non-photosensitive portion.
Semiconductor Components Industries, Llc
Imaging apparatus and imaging system
Provided is an imaging apparatus, including a pixel region in which a plurality of pixels are arranged, the plurality of pixels each including: a plurality of photoelectric converters configured to generate charges corresponding to an amount of incident light; a plurality of charge holding portions arranged correspondingly to the plurality of photoelectric converters and configured to hold charges generated by the plurality of photoelectric converters respectively; and a light condensing portion arranged so as to be shared by the plurality of photoelectric converters and configured to guide the incident light to the plurality of photoelectric converters. In the imaging apparatus, a height (vb) of a first potential barrier between two charge holding portions included in the a pixel is lower than a height (va) of a second potential barrier between two charge holding portions included in different pixels..
Canon Kabushiki Kaisha
Banknote discrimination apparatus
A banknote discrimination apparatus includes a plurality of photoelectric conversion elements in which an incident light including fluorescence emitted from a banknote irradiated with excitation light enters; a plurality of organic film filters that are arranged so as to overlap each of the plurality of photoelectric conversion elements, and have mutually different transmission bands; a circuit including a plurality of pixel circuits which are each connected to one corresponding element among the plurality of photoelectric conversion elements and output a pixel signal converted by each photoelectric conversion element in accordance with an intensity of the incident light that transmits through the organic film filter and enters to the photoelectric conversion element; a spectral processor; and a discriminator. At least one of the plurality of organic film filters is a filter obtained by overlapping two or more filter layers on each other..
Light guide plate, backlight unit having the same, display apparatus having the same, and manufacturing the same
A light guide plate includes a light incident surface to which a light is configured to be incident, a light exit surface from which the light incident through the light incident surface is configured to exit, a bottom surface facing the light exit surface configured to reflect at least a portion of the incident light, and a scattering pattern disposed on the bottom surface. The scattering pattern includes a first protrusion portion protruding from the bottom surface, a recess portion disposed along a circumference of the first protrusion portion and recessed from the bottom surface and a second protrusion portion spaced apart from the first protrusion portion and disposed along a portion of the recess portion..
Samsung Display Co., Ltd.
Transparent display apparatus
Disclosed herein is a transparent display apparatus in which a plurality of micro-patterns are formed on a reflection surface of a transparent light guide plate. The transparent display apparatus includes a light source configured to generate light, a transparent light guide plate configured to change a path of the generated light, and to emit the light, a first polarizing plate configured to transmit first polarized light of light emitted from the transparent light guide plate, a liquid crystal panel configured to change a phase of the first polarized light according to driving of liquid crystals; and a second polarizing plate configured to adjust an amount of the first polarized light according to the changed phase of the first polarized light, wherein the transparent light guide plate includes an incident surface to which the light is incident, an exit surface which the incident light exits, a reflection surface being opposite to the exit surface, and a plurality of micro-patterns formed on the reflection surface, and configured to diffuse the incident light..
Samsung Electronics Co., Ltd.
Monochromator using optical filters to select wavelength of light
Provided is a monochromatization device for easily selecting light having a specific wavelength, comprising: a first broadband filter arranged to have a first rotational angle with respect to an incident direction of light to enable a first wavelength band to pass therethrough with respect to the incident light; a second broadband filter arranged to have a second rotational angle with respect to an incident direction of light to enable a second wavelength band to pass therethrough with respect to the light passing through the first broadband filter; and a path compensation unit for adjusting a light path so that the light path passing through the second broadband filter is the same as a path of the light incident to the first broadband filter. Accordingly, the output light efficiency for the incident light is increased and the required specific wavelength can be more easily selected..
Korea Research Institute Of Chemical Technology
Deconvolution to reduce the effective spot size of a spectroscopic optical metrology device
The effective spot size of a spectroscopic metrology device is reduced through deconvolution of a measurement spectra set acquired from a measurement target combined with a training spectra set obtained from a training target. The measurement spectra set may be obtained using sparse sampling of a grid scan of a measurement target.
Apparatus for light intensity adjustment
An apparatus for light intensity adjustment mountable on an automotive camera includes at least one first linear polarizing filter, at least one second linear polarizing filter, the first linear polarizing filter and the second polarizing filter are arrangeable in front of a lens unit of an automotive camera such that incident light passes through the at least one first linear polarizing filter and the at least one second linear polarizing filter before entering the lens unit of the automotive camera, and at least one actuator for moving the at least one first linear polarizing filter and/or the at least one second linear polarizing filter with respect to each other such that the intensity of the emergent light is adjustable. The apparatus is characterized in enabling adjustment of the emergent light intensity by moving the first linear polarizing filter and/or the second linear polarizing filter with respect to each other..