30 results about "Photoelectric conversion" patented technology

A solid-state imaging apparatus including: a pixel section having two-dimensionally arrayed unit pixels each having a first pixel and a second pixel respectively containing photoelectric conversion devices that are located at positions regarded as the same position at which image is formed by an imaging optical system; a reset control means for simultaneously resetting respectively independently all first pixels and all second pixels of each unit pixel arrayed in the pixel section; a difference signal output means for obtaining a difference signal between signals of the first pixel and of the second pixel; a control section for rendering control such that a reset is effected of signals of all first pixels of the pixel section and, after a desired exposure time, a reset is effected of signals of all second pixels of the pixel section by the reset control means, and then signals of the first pixel and of the second pixel are read out respectively in a simultaneous or substantially simultaneous manner immediately after the reset of signal of all second pixels by the reset control means so as to output a difference signal between these as imaging signal by the difference signal output means; and a characteristic difference correction means for correcting a characteristic difference between the first pixel and the second pixel.

A solid-state imaging device has: an imaging region in which a plurality of pixels each having a photoelectric conversion element are arranged, and a color filter. The color filter includes: filter components of a first color (2G), filter components of a second color (2R) formed by self-alignment and each being surrounded by the filter components of the first color (2G), and filter components of a third color (2B) formed by self-alignment and each being surrounded by the filter components of the first color (2G).

An organic material for deposition that is used for dry deposition of an organic layer included in an organic photoelectric conversion element is provided in which the organic material contains an organic composition of the organic layer as a principal component, and a residual solvent content of the organic material for deposition is equal to or less than 3 mol %.

The invention discloses a neutral point direct current online measurement device for a transformer, which comprises a Hall sensor, a copper bar, a transmission fiber, a signal processing module arranged in a box body, a photoelectric power conversion module, a measurement signal photoelectric conversion module and a power laser launching circuit module, wherein the copper bar penetrates through the two sides of the box body; the copper bar in the box body is sleeved with the Hall sensor; the signal processing module is used for receiving an output signal of the Hall sensor, converting the output signal into an optical signal and outputting the optical signal into the measurement signal photoelectric conversion module; the measurement signal photoelectric conversion module is used for converting the inputted optical signal into an electrical signal to output; the photoelectric power conversion module is used for providing power for the Hal sensor and the signal processing module; and the power laser launching circuit module is used for inputting medium power laser for the photoelectric power conversion module. The neutral point direct current online measurement device adopts the optical fiber to supply the energy and transmit the signals, blocks an over-voltage transmission path and improves the measurement stability and the accuracy.

A solid-state image sensor includes a pixel formed, upon forming a structure where a photoelectric conversion layer is laminated on a wiring layer constituting a pixel circuit, by forming at least the photoelectric conversion layer and a wiring layer bonding layer on a different substrate from a semiconductor substrate in which the wiring layer is formed, and by bonding the wiring layer bonding film of the different substrate and the wiring layer of the semiconductor substrate together.

The invention discloses a fault detection system and method for an electric power grid. The power grid is connected with a detection circuit, a plurality of current transformers are arranged on each of branch lines and are used for acquiring current signals on the power grid, the detection circuit is connected with a fault judging circuit, a photoelectric conversion unit, a fault level judging unit and a signal generator are arranged on the fault judging circuit, the fault judging circuit is connected with an alarm processing circuit, and the alarm processing circuit is also connected with a monitoring center. The fault detection system and method disclosed by the invention have the benefit that as the current transformers are arranged on the detection circuit, the current information on the power grid is obtained through the current transformers, and the information of fault signals is determined through the plurality of judging units and is released through an alarm device and the monitoring center, so that the fault can be removed at the highest speed. The fault detection system disclosed by the invention is simple in structure, convenient to operate and lower in cost.

The invention discloses a transparent conducting electrode film solar cell, comprising a transparent substrate. One side of the transparent substrate is provided with a first transparent conducting electrode, a photoelectric conversion unit is arranged above the first transparent conducting electrode, and a second transparent conducting electrode is arranged above the optical to electrical unit. The transparent substrate and the conducting electrode which are adopted by the invention greatly improve the use ratio and the conversion efficiency of solar energy by the solar cell. The film optical to electrical unit of the transparent substrate is shared, and the front electrode and the rear electrode of each optical to electrical unit are both transparent electrodes with wide band gap. The illuminated face of the solar cell in the invention is multiplied; meanwhile, the mutual action of the upper optical to electrical unit and the lower optical to electrical unit improves the conversion efficiency to a great degree. The change of the structure can ensure that the horizontal installation electric energy production of the solar cell can be improved by 10%, and vertical installation electric energy production can be improved by 34%.

Provided is a method for manufacturing a photoelectric conversion device which can effectively prevent leak of current via an intermediate contact layer separation groove. The method includes: a step for forming a top layer (91) containing amorphous silicon as a main content; a step for forming on the top layer (91), an intermediate contact layer (93) which is electrically and optically connected to the top layer (91); a step for applying a pulse laser to remove the intermediate layer (93) and forming an intermediate contact layer separation groove (14) which reaches the top layer (91) so as to separate the intermediate contact layer (93); and a step for forming a bottom layer (92) containing microcrystal silicon as a main content on the intermediate contact layer (93) and in the intermediate contact layer separation groove (14), the bottom layer (92) being connected electrically and optically to the intermediate contact layer (93). The intermediate contact layer separation groove (14) is terminated in the i-layer of the top layer (91).

A timing device of a radiation detection, measurement, identification and imaging system comprises high-energy photon detectors, a light pulse generator, and an optical fiber. Each high-energy photon detector comprises a scintillation crystal and a photoelectric conversion multiplying device. The high-energy photon detectors are respectively provided with a light hole. A light pulse signal is transmitted to the scintillation crystals through the light holes and then transmitted to the surfaces of the photoelectric conversion multiplying devices through the scintillation crystals, converted and multiplied by the photoelectric conversion multiplying devices, and read and processed by an electronic circuit. The mutually-independent high-energy photon detectors acquire absolute time from the light pulse signal generated by the light pulse generator, and timing and calibration are carried out between the mutually-independent high-energy photon detectors. According to the invention, the global clock is cancelled, timing is completed based on the time when the photoelectric conversion multiplying devices receive the light pulse signal, decoupling of the high-energy photon detectors is realized, the independence of the high-energy photon detectors is ensured, and the system can use or add/subtract the high-energy photon detectors more conveniently.

The invention relates to an efficient photoelectric converter based on a carbon fiber@ tungsten disulfide nanosheet core-shell composite structure and a preparation method of the efficient photoelectric converter, and belongs to the technical field of novel materials and application thereof. The efficient photoelectric converter provided by the invention adopts the carbon fiber@ tungsten disulfide nanosheet core-shell composite structure as a photoelectric conversion material; furthermore, ohmic electrodes are arranged at two ends of each carbon fiber with the carbon fiber@ tungsten disulfide nanosheet core-shell composite structure, and the carbon fiber is connected in parallel to a solar receiving device and then is connected in series with a low-voltage power supply and an electrical appliance for combination, so that the photoelectric converter is obtained. The photoelectric converter disclosed by the invention is simple in structure; preparation equipment and a process for the device are simple; the prepared device is stable in structure and performance; the product yield is high, the cost is low, and the production process is clean and environment-friendly. The photoelectric converter prepared by the preparation method is high in photoelectric conversion efficiency and can be used as a solar power generation device and a light signal sensitive detector.

A connectored cable including: a cable having an optical fiber for transmitting an optical signal; and a connector that accommodates a substrate on which a photoelectric conversion portion that is optically coupled to an end face of the optical fiber is installed, and in which the optical fiber is wired so that at least three bent portions are formed, the orientation of the optical fiber in a front-rear direction being changed, the optical fiber being bent into a U shape at each of the bent portions, and so that one of two bent portions on a front side is located on a down side of the substrate and the other bent portion on the front side is located on an up side of the substrate, the front-rear direction referring to a direction in which the cable extends from the connector, a rear side referring to a side in which the cable extends as seen from the connector, the front side referring to an opposite side of the side in which the cable extends, the up side referring to a side of the photoelectric conversion portion as seen from the substrate, the down side referring to an opposite side of the side of the photoelectric conversion portion.

The invention relates to a preparation method of a supramolecular fluorescent material with multiple stimulus responses. The preparation method is characterized by including the following steps: (1) N,N-dimethyl ferrocenyl methylamine and bromohexadecane are dissolved in acetone, potassium iodide is added, and N,N-dimethyl ferrocenyl cetyl ammonium bromide is synthesized; (2) a N,N-dimethyl ferrocenyl cetyl ammonium bromide aqueous solution with the concentraion being 0.5-2 mmol.1-1 is prepared; (3) an alizarin red aqueous solution with the concentraion being 0.5-2 mmol.1-1 is prepared; and (4) the N,N-dimethyl ferrocenyl cetyl ammonium bromide aqueous solution in the step (2) and the alizarin red aqueous solution in the step (3) are mixed at the same concentration and volume and placed for at least 15 days at 25 DEG C, and the supramolecular fluorescent material with the rod-like structure is obtained. According to the preparation method of the supramolecular fluorescent material withthe multiple stimulus responses, the morphology of the supramolecular material can produce obvious responses to the external stimuli such as an electric field, the pH value and cyclodextrin, ion self-assembly is used as a main strategy, and the preparation method is simple; and the supramolecular material with multi-responsiveness has great application value in photoelectric conversion, moleculardevices, drug transportation and other aspect.

The invention relates to a high-current bypass diode for a concentrating photovoltaic system, and belongs to the technical field of solar power generation. The high-current bypass diode comprises a main body, an anode, a first cathode and a second cathode, wherein the anode and the first and second cathodes are positioned on the same plane of the main body, and are positioned on the two opposite end faces. The bypass diode can resist current of 80 amperes, and can be simultaneously connected in parallel with a plurality of concentrating photovoltaic photoelectric conversion receivers, so that the material cost and the machining cost of a product are reduced; a distance between the anode of the bypass diode and each of the first and second cathodes can be determined in a way that short-circuit between positive and negative electrodes of a circuit board in a welding process can be avoided.

The invention provides an optical socket and an optical module containing the same. Even when the optical socket shakes, high combination efficient light concentration can be achieved; and the optical socket can be properly combined with a fiber end part and an optical receiving element of a photovoltaic conversion device in an optical way. The optical socket (20) comprises a fiber mounting part (5), a photoelectric conversion device mounting part (3), and a lens (2). Wherein the lens (21) is provided with a first surface (21a) formed by a recessed surface recessing toward the optical receiving element (10) opposite to the end part of the fiber (15) and a second surface (21b) formed by a recessed surface projecting toward the optical receiving element (10) opposite to the optical receiving element (10); and with combination of the first and second recessed surfaces, ejection lights of the fiber (15) slantwise installed relative to a light shaft of the lens (21) is concentrated in a proper position of the optical receiving element (10).

Disclosed is a novel compound represented by formula (1) below. In the formula, A represents an optionally substituted aromatic hydrocarbon ring or aromatic heterocyclic group, B represents a group including a chain of one to four pieces of one or more groups selected from groups represented by specific formulae (B-1) to (B-13) (such as —C═C— or —N═N—, specifically see the description), R1 to R3 each represent an optionally substituted hydrocarbon or hydrocarbonoxy group, at least one of R1 to R3 represents an optionally substituted hydrocarbonoxy group, R4 and R5 each represent an optionally substituted hydrocarbon group, R4 and R5 may be linked together to form a ring, and R4 and R5 may be each independently linked with A to form a ring.

A light source energy detection and display device for medical instruments, which is composed of a photosensitive device, a photoelectric conversion circuit, and a display alarm and feedback signal and a circuit. The conversion circuit is connected with a feedback signal and a circuit for displaying an alarm, and more than one photosensitive device is provided according to the number of points to be measured. The display and alarm circuit can display the magnitude of the detected light energy, and can start the alarm circuit to notify according to the feedback signal according to whether the use requirement of stable luminous energy is met, and can automatically adjust the output energy of the light source.

The invention provides a PET detector energy correction method and system and a computer readable storage medium, and the method comprises: building an energy response function model and building a correction coefficient lookup table, and carrying out the parameterization of a coefficient in a mathematical model through building a first lookup table and a second lookup table, enabling the coefficient to be transmitted to a PET detector front-end circuit, and achieving the correction of the energy response function model and the correction coefficient lookup table. The method is used for real-time table look-up correction of the PET detector, the correction precision is high, the efficiency is high, and the method is suitable for all PET detectors using SiPM as photoelectric conversion devices; and the method is suitable for linear and nonlinear PET detectors at the same time.

The present invention aims to provide a flexible solar cell having excellent high-temperature, high-humidity durability and excellent initial performance. The present invention relates to a flexible solar cell including, on a flexible substrate: an electrode; a transparent electrode; and a photoelectric conversion layer disposed between the electrode and the transparent electrode, the photoelectric conversion layer containing an organic-inorganic perovskite compound, the flexible substrate including an aluminum foil and an aluminum oxide film formed on the aluminum foil, the flexible substrate having a ratio of the thickness of the aluminum oxide film to the total thickness of the aluminum foil and the aluminum oxide film of 0.1% or higher and 15% or lower.