70 results about "Light sensitive" patented technology

The invention provides a preparation method of an acoustic / photosensitizer-manganese dioxide nanoparticle and a product thereof. According to the method, firstly, a potassium permanganate reduction method is adopted to precisely synthesize the high-purity MnO2 nano-substrate, and according to the method, the size uniformity and dispersion stability of nano-particles can be precisely controlled by regulating and controlling the pH value and temperature of a reaction system and the concentration of a reducing agent. On the basis, amphiphilic high-molecular polyethylene glycol-polycaprolactone (PEG-PCL) is modified on the surface of the MnO2 nanometre. The whole preparation process is green and mild, and complex equipment is not needed; the reaction conditions are mild, nanoparticles are uniform, and the acoustic / photosensitizer can be combined and applied to an imaging technology to realize real-time monitoring.

The invention discloses a visible light positioning method based on a single light source base station and double photosensitive position detectors. The method comprises: constructing a visible light positioning system; defining a world coordinate system, a PSD coordinate system and a PSD imaging coordinate system; calibrating two PSD internal parameters in the visible light positioning system by using a Zhang Zhengyou calibration method and an asymmetric dot calibration plate; the world coordinates of the LED light source and the external parameters of the PSD are calibrated; and determining the real-time coordinates of the mobile carrier in the world coordinate system. The method has the advantages that the double PSD receivers and the single light source base station are used for positioning the mobile carrier, positioning coordinate calculation can be carried out as long as the mobile carrier loaded with the double PSD receivers is located in the coverage area of one light source base station, operation is safe, easy and convenient, the degree of dependence on the light source density is reduced, and the applicability of the visible light positioning technology is enhanced.

The invention relates to the technical field of image recognition, in particular to a wild animal behavior recognition method and system based on visual recognition. The method comprises the following steps: acquiring continuous image frames, analyzing gray direction changes of pixel blocks in adjacent frames, extracting low-photosensitive texture features and forming a texture change track; then fusing the texture trajectory with the geometric offset trend of the animal contour edge points to generate a behavior dynamic fusion feature capable of representing the action direction and intensity; and carrying out continuity calculation on the fusion features, and judging whether the action meets a behavior triggering condition based on a change continuity index, thereby realizing automatic identification and output of the wild animal target behavior. According to the method, the texture change track and the contour geometric deformation direction are fused, stable recognition of continuous actions under the low-light condition is achieved, and the wild animal behavior recognition result is more accurate and reliable and has the quantitative judgment capacity.

Provided are multi-wavelength phototherapy devices, systems and methods for the treatment of a disorder or disease, including multi-wavelength low level light therapy (“PBM”), in particular to multi-wavelength PBM and other phototherapy systems and methods for improving functionality in and / or restoring functionality to a cell and / or tissue through the coordinated and targeted delivery to the cell or tissue of two or more doses of light having distinct wavelengths, wherein the two or more doses of light, when delivered in a coordinated fashion, can stimulate the activity of two or more light sensitive factors that, when activated, provide and / or enhance a desired target cell functionality. Ophthalmic phototherapy devices, systems, and treatment methods to expose an eye to selected multi-wavelengths of light to promote the healing of damaged or diseased eye tissue. The devices include a housing having an interior; an eyepiece disposed on the housing and configured and arranged for placement of an eye of the patient adjacent the eyepiece; a first light source producing a first light beam having a first therapeutic wavelength and disposed within the housing; a second light source producing a second light beam having a second therapeutic wavelength and disposed within the housing, where the second therapeutic wavelength differs from the first therapeutic wavelength by at least 25 nm.

The invention provides a clamping assembly, a test machine and an execution mechanism, and the clamping assembly comprises a substrate which comprises a chip placement area for bearing a chip; the chip placing area comprises a light-transmitting area corresponding to the light-sensitive area of the chip; the pressing plate is arranged on one side of the substrate and is configured to be matched with the substrate to position the chip; the pressing plate comprises a first pin assembly and a second pin assembly; the first pin assembly is configured to be conductively connected with a pin of the chip; the second pin assembly comprises a switching pin; the substrate further comprises an avoiding area used for avoiding the second pin assembly. Through the cooperation of the substrate and the pressing plate, the chip can be placed in an inverted mode, bottom lighting irradiation can be achieved, transformation of a testing machine and an executing mechanism can be reduced, and high universality is achieved.

The present application relates to the field of quantum computing, in particular to a kind of quantum bit computer, including visible light signal generator, visible light detector, quantum processor, signal receiver and signal processing end;The visible light signal generator is used to generate corresponding visible light signal according to control instruction, and the visible light signal is sent to the visible light detector;The visible light detector is used to generate corresponding processor control microwave signal according to the visible light signal received;The signal receiver is used to receive the calculation feedback microwave signal of the quantum processor, and the calculation feedback microwave signal is sent to signal processing end.The present application reduces the heat conduction from room temperature zone to low temperature zone, increases the available power redundancy of low temperature zone device, while the frequency of visible light is higher, and the modulation capacity is stronger, cooperate with only visible light sensitive silicon-based photo avalanche diode, can improve the signal-to-noise ratio of information transmitted to the quantum processor.

A printing apparatus has a sensor unit including a light emitter, a plurality of light sensitive units that detect reflected light of light emitted from the light emitter, and an aperture member provided between the plurality of light sensitive units and a detection target that includes an opening for limiting input of the reflected light to a light sensitive unit. The printing apparatus causes the sensor unit to scan relative to the detection target, and, based on a differential signal of signals from a first light sensitive unit and a second light sensitive unit, detects an edge of a printing medium in the detection target. The plurality of light sensitive units are arranged to be aligned in a scanning direction, and the first and second light sensitive units detect the reflected light through the same opening of the aperture member.

The utility model discloses an electric feeder and relates to the technical field of material transportation, a light-emitting device and a photosensitive receiving device are installed on the two sides of a material taking opening of a material belt in an opposite emission mode, the change of light emitted by the light-emitting device to the photosensitive receiving device is shielded through a suction nozzle in the material taking process, and the feeder is controlled to conduct feeding through a photoelectric conversion plate and a control panel. The feeder can be triggered to feed only by taking the material through the suction nozzle, so that tedious connection with a chip mounter is omitted, and meanwhile, the problem that the feeder cannot be compatible for use due to different protocols is solved.

An optical arrangement for reducing reflections in camera includes image sensor with a light-sensitive surface and a filter arranged at a first distance from the light sensitive surface along an optical axis of optical arrangement. The filter includes a first curved surface facing a light-sensitive surface, and a second surface opposite to the first curved surface. The light-sensitive surface is configured to receive light and reflect received light towards the filter. The filter is configured to reflect light between a first curved surface and a second surface inside the filter. Reflections between the filter and the light sensitive surface are reduced.

The invention provides a detector pixel structure and a preparation method thereof, and relates to the technical field of detector pixel structures. The detector pixel structure comprises a substrate, a supporting composite layer and a light composite layer, the supporting composite layer comprises a first conductive layer, a second conductive layer and a first insulating layer, the first conductive layer and the second conductive layer are stacked, the first insulating layer is arranged between the first conductive layer and the second conductive layer, and the first conductive layer is connected with and electrically conducts the substrate and a light sensitive layer of the light composite layer. The second conductive layer is connected with and electrically conducts the substrate and the light sensitive layer of the light composite layer, so that signals can be transmitted to the substrate through one supporting composite layer, the size of the detector pixel structure can be reduced, the extension length of the supporting composite layer is prolonged within the limited area range of the detector pixel structure, and the detector pixel structure is more compact. The working performance of the detector pixel structure is improved.

The present disclosure relates to an electronic device (12) for a camera module (1) having a housing (2) forming a light entrance opening (4), the electronic device comprising: a substrate (14) having a first side (18) and a second side (20), the first side being arranged in the housing (2) to face the light entrance opening (4) and the second side being opposite the first side (18); and an image sensor (16) having a photosensitive portion, designed as a flip-chip, and mounted to the second side (20). The substrate (14) is formed to be translucent at least in the region of the photosensitive portion of the image sensor (16). The disclosure further relates to a camera module (1) comprising the electronic device and a method for manufacturing the electronic device (12).

The detection platform comprises a base, one side of the top end of the base is provided with a substrate, one side of the top end of the substrate is provided with a motor through a support, one end of the motor is provided with a belt transmission mechanism, one end of the belt transmission mechanism far away from the motor is provided with a screw rod, and the outer wall of one side of the screw rod is provided with a nut pair. A piece containing plate is arranged at the top end of the nut pair, strip-shaped bases are arranged on the two sides of the bottom end of the piece containing plate, limiting rails are arranged on the inner walls of the strip-shaped bases, and limiting frames are arranged at the top ends of the base plates on the sides, away from the strip-shaped bases, of the limiting rails through supports. The automobile headlamp brightness detection platform can simulate the rainy season to detect the brightness of the automobile headlamp, and can detect the brightness of the automobile headlamp at a specified distance, so that the detection effect of the detection platform on the brightness of the automobile headlamp when the detection platform is used is ensured; and the photosensitive sensor is easy to detect the light irradiated by the automobile headlamp at a specified angle, so that the use convenience of the detection platform is improved.

A camera system is described, the camera system comprising: a detector array comprising a plurality of photosensitive pixels; an encoder mask including an array of a plurality of encoders, each encoder of the plurality of encoders including an array of a plurality of similar unit cells; and a lens array comprising a plurality of optical lenses aligned with the array of the plurality of encoders and positioned for imaging input light onto the plurality of encoders. Wherein the camera system is configured to divert a collected light component collected from a scene onto each of the plurality of optical lenses at a respective angular displacement, with the proviso that each lens collects light having a respective angular range.

The necessary condition for floating in water is that the specific gravity of a human body is smaller than that of water, and viscera swell; viscera inflation is trained by using the concentration of a newborn child on milk suction when the newborn child is hungry, and a milk inlet can be pulled to suck milk only when certain air is generated when the belly is swollen; along with the increase of time and the gradual adjustment of the machine, the children can naturally learn the operation of floating branches on the water surface; the robot can automatically move in water for a long time and float in water like an animal; according to the design of the machine, a crank braked by a lifting rod rotates around a spring rod, the counting function of a counter is achieved, and the height can be adjusted through two screws of a lifting clamping rod or a supporting weight 11 to train and control children; the weight can be added to control the spring scale to learn hydraulic kicking by two feet; the paddling function of two hands can be trained; a photosensitive instrument can be arranged on the rotating shaft 10; a potentiometer; metering equipment such as an electric switch is used for metering the swimming amount and rewarding children through a display or beverage according to the score of the counter; a computer program transmitted to the mobile phone to be displayed by the counter can be seen above the face; and children can learn things.

Some embodiments may include a power monitor to measure power of laser light propagating in a core of an optical fiber; the power monitor to generate a sensor signal using an optical sensor having a light sensitive section with no line of sight to part of the optical fiber; wherein the sensor signal is derived from light emerging laterally from the part of the optical fiber. Other embodiments may be disclosed and / or claimed.

A first problem addressed by the present invention is to provide an actinic light-sensitive or radiation-sensitive resin composition that can form patterns having excellent LWR and defect suppression. A second problem addressed by the present invention is to provide a resist film, a pattern formation method, and a method for manufacturing a device.　This actinic light-sensitive or radiation-sensitive resin composition contains a resin and a salt that contains an anion moiety represented by formula (1) and a cation moiety represented by formula (X-1) or formula (X-2).

An apparatus is configured to count N-photon events within a time-dependent sequence of events of interactions of a plurality of photons with a light sensitive detector. The apparatus includes a signal-processing device and the light sensitive detector. An N-photon event represents an occurrence of at least N timely overlapping single photon events. The light sensitive detector is adapted to generate a time-dependent digital signal comprising digital patterns representing the time-dependent sequence of events from the detection of the plurality of photons with the light sensitive detector. Each digital pattern in the digital signal comprises a digital pattern width having a continuous sequence of digital values representing at least one event of interaction of at least one photon with the light sensitive detector. The signal-processing device is adapted to identify N-photon events from the digital patterns in the digital signal in dependence from the respective digital pattern width.

The application discloses a method for tracking the sun by using a photosensitive sphere, which comprises the following steps: uniformly arranging a plurality of photosensitive resistors on the surface of the photosensitive sphere, and placing the photosensitive sphere outdoors; establishing a three-dimensional rectangular coordinate system with the center of the photosensitive sphere as the origin, wherein the xy plane of the three-dimensional rectangular coordinate system is parallel to a solar cell panel; setting the standard value of the photosensitive resistor in a sunny day as R0, obtaining the resistance value of each photosensitive resistor, selecting N photosensitive resistors with the minimum resistance value, calculating the average resistance value of the N photosensitive resistors, and considering that it is a sunny day when the average resistance value is equal to R0; solving the average coordinate value of the coordinates of the N photosensitive resistors in the three-dimensional rectangular coordinate system, and adjusting the angle of the photovoltaic panel according to the average coordinate value, so that the sunlight is perpendicular to the photovoltaic panel. The method can track the sun, and has the characteristics of small energy loss and good economy.

The invention relates to a back-illuminated image sensor and a preparation method thereof, and relates to the technical field of integrated circuits, the back-illuminated image sensor comprises a P-type substrate, a plurality of photodiode structures and a grating layer, and the back surface of the P-type substrate comprises a P-type epitaxial layer; the photodiode structures are distributed at intervals along a first direction parallel to the back surface of the substrate, penetrate through the P-type epitaxial layer along a second direction close to the substrate and extend to the back surface of the substrate; the middle sub-photosensitive layer covers the top surface, the bottom surface and the side surface of the inner sub-photosensitive layer; the outer sub-photosensitive layer covers the top surface, the bottom surface and the side surface of the middle sub-photosensitive layer; the bottom target size of the photodiode structure is gradually reduced in the second direction, the top target size of the photodiode structure is gradually reduced in the direction away from the substrate, and the target size is the size in the first direction; the grid layer covers the tops of the plurality of photodiode structures. The electron concentration of a photosensitive area can be increased at least, and the photosensitive performance of the BSI image sensor is improved.

A method for evaluating degradation of a photodetector (112), the photodetector (112) comprising at least one light sensitive element (116), the photodetector (112) being configured for generating at least one detector current as a function of illumination of the light sensitive element (116) by light, the photodetector (112) further comprising at least one evaluation unit (120) for evaluating the detector current, wherein the method comprises: a) determining at least one detector current; b) evaluating the detector current with respect to at least one reference value to obtain at least one relative detector current value; and c) using the relative detector current value to derive at least one item of degradation information about the photosensitive element (116), the item of degradation information describing performance degradation due to temperature hysteresis behavior, aging, excess temperature and / or excessive irradiation.

The application relates to the technical field of lithium batteries, and particularly discloses a solid-state lithium battery polymer electrolyte and a preparation method thereof, which are used to solve the problems of a complicated preparation process, easy interlayer voids, and interface discontinuity of a multilayer gradient composite polymer electrolyte film, and to improve the problems of nanofiller agglomeration, high ion transmission impedance, poor mechanical performance, and poor batch consistency. The electrolyte comprises a solid-state electrolyte film, and the solid-state electrolyte film is composed of a polymer reticular matrix, a lithium ion carrier, an inorganic nanoskeleton, a surface active additive, a visible light sensitive photoinitiator, a silane coupling agent, and a nucleating agent. The preparation method comprises the following steps: preparing a prepolymer solution, infiltrating and fusing, electric pulse orientation, one-step crosslinking and solidification, solvent replacement, and online screening. The application combines solvent system optimization, mixed process regulation, and electric pulse orientation to construct continuous gradient nanochannels, so that the comprehensive performance of the solid-state electrolyte film is improved in terms of ion conductivity, interface impedance, tensile strength, and capacity retention rate at 25 DEG C.

An imaging device comprising at least one sensor, the sensor comprising a plurality of photosensitive regions, each region operable to capture a respective image of a scene to be imaged; a first imaging component and a second imaging component, where each of the first and second imaging components is individually configured to capture an image of a scene for extracting three-dimensional information of the scene, where the first imaging component has a first optical characteristic and the second imaging component has a second optical characteristic, wherein a difference between the first optical property and the second optical property is higher than a predetermined optical property difference threshold.

The present specification relates to a delayed fluorescence compound represented by chemical formula 1 and an organic light-emitting device comprising same, and achieves delayed fluorescence light sensitive hyperfluorescence properties by the use of a compound that exhibits deep blue properties and has a low singlet-triplet energy difference, and a fluorescence compound which, relative to conventional delayed fluorescence material, exhibits deep blue properties, has a narrow half-width, and has excellent color purity.

A display panel and a display device are provided. The display panel comprises a substrate (101), a plurality of light emitting devices (102) located on the substrate (101), a plurality of light sensitive devices (103) located on the substrate (101), a projection of each light sensitive device (103) on the substrate (101) is located at a gap between projections of adjacent light emitting devices (102) on the substrate (101), a plurality of light shielding portions (104) located on a side of a layer of each light emitting device (102) away from the substrate (101), each light shielding portion (104) is arranged in one-to-one correspondence with each light sensitive device (103), and a projection of the light shielding portion (104) on the substrate (101) at least partially overlaps with a projection of the corresponding light sensitive device (103) on the substrate (101).

The invention discloses a gray area range determination method, electronic equipment and a computer readable storage medium, and belongs to the technical field of computers. The method comprises the steps that human eye light-sensitive data, basic light source spectral data and multiple basic white light color coordinates are obtained, the basic light source spectral data are used for representing light intensity distribution states of multiple basic light sources under different wavelengths, and the multiple basic white light color coordinates are multiple position coordinates of white light in a preset color space; determining a plurality of target spectrums according to the human eye light sensitive data, the plurality of basic white light color coordinates and the basic light source spectrum data; obtaining first sensor response data, wherein the first sensor response data is sensitivity response data of a first sensor to light rays with different wavelengths; according to the multiple target spectrums and the first sensor response data, the multiple first sensor gray area ranges are determined, the accuracy of gray area range estimation can be improved, and therefore the color rendition degree of the image is improved.

Gas delivery devices include different examples of nitric oxide (NO) generating systems. Each example of the NO generating system includes a solid, light sensitive NO donor, and a light source that is operatively positioned to selectively expose the solid, light sensitive NO donor to light in order to generate NO gas.

The application discloses a signal receiving device and a receiving signal compensation method for laser ranging, and relates to the technical field of laser ranging. In the signal receiving device for laser ranging, an optical system comprises a lens barrel and an optical assembly arranged in the lens barrel. Both ends of the lens barrel are open in a first direction, forming an incident end and an emitting end for laser passing. The optical assembly is used for adjusting the laser light path incident from the incident end. An adjusting structure is detachably arranged at the emitting end and can rotate along an axis extending in the first direction. The adjusting structure is provided with a light transmission hole extending in the first direction. The axis of the light transmission hole is arranged in parallel with the rotation axis of the adjusting structure. A signal receiving structure is arranged at one end of the adjusting structure away from the lens barrel. A light sensitive surface of the signal receiving structure is arranged in coincidence with the laser light line for receiving the laser signal. Thus, the structure is simple, the adjusting operation is convenient, the original parts of the optical system do not need to be reworked, the correction difficulty and the production cost are reduced, and the error compensation cost is low.

The present invention provides an integrated device for wavelength correlation detection of light, the integrated device comprising: a light collecting element comprising a collecting end and a transmitting end and configured to collect light incident at the collecting end and collect the light at the transmitting end; and a multimode waveguide forming an extension from the receiving end to the distribution end and surrounded by the primary medium along the extension, where the transmission end is coupled to the receiving end, the waveguide configured to receive light from the light condensing element at the receiving end, where the waveguide and the primary medium are configured to propagate light to form a light pattern at the distribution end, the distribution of the light pattern across the distribution end depends on the wavelength of the light; and a plurality of photosensitive elements arranged such that different photosensitive elements receive different portions of the light pattern at the distribution end for wavelength correlation detection of the light.

Systems and methods for restructure and stabilization of bones that provide an anti-microbial effect are disclosed herein. A device includes a delivery catheter having an inner void for passing at least one light sensitive liquid, and an inner lumen; an expandable member releasably engaging the distal end of the delivery catheter; at least one channel positioned in the expandable member; and a light conducting fiber sized to pass through the inner lumen of the delivery catheter and into the expandable member, wherein, when the light conducting fiber is in the at least one channel, the light conducting fiber is able to disperse light energy to provide an anti-microbial effect. When the light conducting fiber is in the expandable member, the light conducting fiber is able to disperse the light energy to initiate hardening of the light sensitive liquid within the expandable member to form a photodynamic implant.

A semiconductor device has a substrate and a first light sensitive material formed over the substrate. A plurality of first conductive posts is formed over the substrate by patterning the first light sensitive material and filling the pattern with a conductive material. A plurality of electrical contacts is formed over the substrate and the conductive posts are formed over the electrical contacts. A first electric component is disposed over the substrate between the first conductive posts. A plurality of second conductive posts is formed over the first electrical component by patterning a second light sensitive material and filling the pattern with conductive material. A first encapsulant is deposited over the first electrical component and conductive posts. A portion of the first encapsulant is removed to expose the first conductive posts. A second electrical component is disposed over the first electrical component and covered with a second encapsulant.