20 results about "Photosensitive Cell" patented technology

The invention relates to a photoreceptor cell specific bidirectional promoter and application thereof. Specifically, the invention relates to a novel photoreceptor cell specific bidirectional promoter, an expression cassette containing the bidirectional promoter, a vector, a viral particle, a cell and a pharmaceutical composition, and application of the bidirectional promoter to treatment of eye diseases, such as retinal diseases.

An image sensor includes a sensor substrate including a plurality of pixels for sensing incident light, and a nano-photonic microlens array arranged to face a light incident surface of the sensor substrate, and including a plurality of nano-photonic microlenses for condensing incident light. Each of the plurality of pixels includes a plurality of photosensitive cells that are two-dimensionally arranged in a first direction and a second direction perpendicular to the first direction and are configured to independently sense the incident light, and an isolation for electrically isolating the plurality of photosensitive cells, each of the nano-photonic microlenses includes a plurality of nano-structures that are arranged such that the light transmitting each of the nano-photonic microlenses has a convex phase profile, and the plurality of nano-structures are arranged in the form of a two-dimensional array in a diagonal direction between the first direction and the second direction.

Provided is an image sensor including a sensor substrate including a first photosensitive cell and a second photosensitive cell which are configured to sense light incident on the sensor substrate, a color separating lens array configured to change a phase of first wavelength light and a phase of second wavelength light such that the first wavelength light travels to the first photosensitive cell and the second wavelength light travels to the second photosensitive cell, and a spectrum shaping layer including a plurality of nanostructures respectively having a first refractive index, and a dielectric material provided between the plurality of nanostructures and having a second refractive index, the spectrum shaping layer being provided between the sensor substrate and the color separating lens array and configured to shape a spectral profile of the light incident on the sensor substrate by reflecting and / or absorbing portion of light passing through the color separating lens array.

The utility model discloses an auxiliary device for groove-type concentrating photovoltaic sun-alignment accurate orientation, which belongs to the technical field of photovoltaic power generation and comprises photosensitive battery components fixed at two ends of a secondary concentrating receiver. Each photosensitive battery assembly comprises a first photosensitive battery, a second photosensitive battery, a power supply battery and a radio frequency generator. The radio frequency generator comprises an amplifier, a first comparator, a second comparator and a transmitting module; the positive electrode of the first photosensitive battery and the negative electrode of the second photosensitive battery are connected with one input terminal of the amplifier. The negative electrode of the first photosensitive battery and the positive electrode of the second photosensitive battery are connected with the other input terminal of the amplifier. The output terminal of the amplifier is respectively connected with the positive terminal of the first comparator and the negative terminal of the second comparator; the output terminal of the first comparator and the output terminal of the second comparator are connected with the function terminal of the transmitting module; the power supply battery is connected with a power supply terminal of the transmitting module; the transmitting module is in wireless communication with a rotating mechanism of the photovoltaic support.

The utility model discloses an automobile light detection system, which relates to the field of automobile light detection and comprises a bottom plate, a fixed plate is fixedly mounted at the upper end of the bottom plate, a second screw rod is rotatably mounted in the fixed plate, one end of the second screw rod is fixedly connected with a second motor output shaft, and the outer ring of the second screw rod is in threaded connection with a moving block. A U-shaped rod is fixedly connected to one end of the moving block, a sliding rod is fixedly installed at the end, away from the moving block, of the U-shaped rod, a first lead screw is rotationally installed in the sliding rod, a first motor output shaft is fixedly connected to the end, away from the U-shaped rod, of the first lead screw, and a sliding block is in threaded connection with the outer ring of the first lead screw. By adopting the structure, the stable effect of the moving block can be kept, a worker can effectively adjust the height of the photoreceptor during use, and the photoreceptor can adapt to different forming angles to provide the detection effect of more vehicle types.

A brain organoid containing optic vesicles generated on the basis of H9 induction and an eye-brain integrated culture method therefor. H9 embryonic stem cells are used to induce the generation of a brain organoid which contains optic vesicles and has primitive visual fields. On the basis of an established system for culturing a brain organoid containing optic vesicles, and by means of microscopic imaging in combination with antibodies against specific markers related to early retinal development and photosensitive cell development and maturation, the structure and function of the brain organoid containing optic vesicles are identified.

An image sensor includes a sensor substrate including a plurality of pixels for sensing incident light, and a nano-photonic microlens array arranged to face a light incident surface of the sensor substrate, and including a plurality of nano-photonic microlenses for condensing incident light. Each of the plurality of pixels includes a plurality of photosensitive cells that are two-dimensionally arranged in a first direction and a second direction perpendicular to the first direction and are configured to independently sense the incident light, and an isolation for electrically isolating the plurality of photosensitive cells, each of the nano-photonic microlenses includes a plurality of nano-structures that are arranged such that the light transmitting each of the nano-photonic microlenses has a convex phase profile, and the plurality of nano-structures are arranged in the form of a two-dimensional array in a diagonal direction between the first direction and the second direction.

A digital radiographic detector includes a planar multilayer core having a two-dimensional array of photosensitive cells. A housing having a single open side and upper and lower halves is joined together using a three-sided bumper configured to provide impact absorption to the sides of the housing. An end cap covers the single open side of the housing.

An image sensor includes a sensor substrate including a first photosensitive cell and a second photosensitive cell configured to sense light and color separating lens array including a first region and a second region, wherein the first region faces the first photosensitive cell and includes first nanopost and the second region faces the second photosensitive cell and includes second nanopost. The first nanopost and the second nanopost form a phase distribution at a location where the lights pass through the first region and the second region, by the phase distribution, light having a first wavelength and light having a second wavelength different from each other from among incident light incident on the color separating lens array are branched in different directions and the light having the first wavelength is condensed onto the first photosensitive cell and the light having the second wavelength is condensed onto the second photosensitive cell.

An image sensor includes: a sensor substrate including first and second photosensitive cells configured to sense light; and a dichroic lens array including a first region and a second region, wherein the first region faces the first photosensitive cell and includes a first nanopillar, and the second region faces the second photosensitive cell and includes a second nanopillar. The first and second nanopillars form a phase distribution at locations where light passes through the first and second regions. Due to the phase distribution, light having a first wavelength and light having a second wavelength, which are different from each other, of incident light incident on the dichroic lens array are branched in different directions, and the light having the first wavelength is focused on the first photosensitive cell, while the light having the second wavelength is focused on the second photosensitive cell.

Disclosed in the present invention are a brain organoid containing optic vesicles generated on the basis of H9 induction and an eye-brain integrated culture method therefor. According to the present invention, H9 embryonic stem cells are used to induce the generation of a brain organoid which contains optic vesicles and has primitive visual fields. On the basis of an established system for culturing a brain organoid containing optic vesicles, and by means of microscopic imaging in combination with antibodies against specific markers related to early retinal development and photosensitive cell development and maturation, the structure and function of the brain organoid containing optic vesicles are identified.

Provided is an image sensor including a color separating lens array. The image sensor includes a sensor substrate including a plurality of first photosensitive cells and a plurality of second photosensitive cells configured to sense light, and a color separating lens array including a plurality of first regions respectively corresponding to the plurality of first photosensitive cells and each including a first fine structure, and a plurality of second regions respectively corresponding to the plurality of second photosensitive cells and each including a second fine structure that is different from the first fine structure, wherein, among incident light incident on the color separating lens array, light of a first wavelength and light of a second wavelength are branched into different directions and focused on the first photosensitive cells and the second photosensitive cells.

The present invention relates to a system 1 for the elemental analysis of a sample 2 to be examined, the analysis system 1 also comprising a device 11 for capturing the characteristics of the laser beam 5 emitted by the generation module 4, the capture device 11 being inserted between the shaping module and the focusing optical means 8 and comprising a deflection mirror 111, a photosensitive cell 112, optical magnification means and means 114 for transmitting the image acquired by the photosensitive cell 112 to a display device 12.

The application discloses a photosensitive cell trigger type waterproof GPS positioning device for marine measurement, which comprises a floating bed, a mounting table is arranged at the top of the floating bed, and the mounting table is connected with the floating bed through a damping assembly. The device is floated on the sea surface through the floating bed, the damping assembly is added to reduce the amplitude of excessive vibration of the device caused by sea surface fluctuation, the mounting table is more stable, the components on the device are further protected, the angle of the photosensitive cell panel is changed through the adjusting mechanism, the sunlight can always irradiate the light surface of the photosensitive cell panel, the working efficiency of the photosensitive cell panel is improved, the storage of electric quantity is facilitated through the storage battery, the GPS locator in the device cannot work due to the fact that the photosensitive cell panel cannot work on cloudy days, the GPS locator is installed and fixed through the clamping assembly, and the GPS locator is further waterproofed through the waterproof shell.

The embodiment of the invention relates to a photosensitive unit array driving circuit and a photosensitive flat panel detector. The circuit comprises a photosensitive unit array, a first preset number of scanning lines, a second preset number of data lines and a bias voltage output unit, each row in the photosensitive unit array corresponds to one scanning line, each column corresponds to N data lines, and each row of photosensitive units is connected with the corresponding scanning line; each column of photosensitive units comprises M groups of photosensitive units, each group of photosensitive units comprises N photosensitive units, and the N photosensitive units are in one-to-one correspondence with the N data lines; the first preset number of scanning lines comprise M groups of scanning lines, and each group of scanning lines outputs scanning driving signals to the corresponding photosensitive units at the same moment. According to the embodiment of the invention, under the condition that the image acquisition frame rate is not changed, the photosensitive sampling time of each row of photosensitive units is prolonged, so that the signal quality is improved, the signal-to-noise ratio is enhanced, the number of noisy points is reduced, the gray scale contrast is improved, and the image quality is improved.

The utility model provides a coconut meat fiber component analysis device which comprises a box body and a controller, a moving mechanism is arranged in the box body, the moving mechanism is connected with a U-shaped frame through an electric push rod, the U-shaped frame is rotatably provided with a rotating plate, two sides of the rotating plate are rotatably connected with the U-shaped frame through a first rotating shaft, one end of the rotating plate is in driving connection with a first motor, and a second motor is arranged on the bottom surface of the rotating plate. A crushing tank is arranged at the top of the box body; a second rotating shaft is rotationally arranged in the crushing tank; one end of the crushing tank is in driving connection with a third motor; a blade is arranged on the second rotating shaft; a cleaning mechanism is arranged on one side of the optical assembly. A plurality of sample bottles can be loaded at one time, the cleaning mechanism is arranged to wash and blow-dry the sample bottles, coconut fiber solution sample crushing, filling, detection and analysis operations are automatically performed, and the analysis efficiency is improved.

The imager comprises: - a spectral filter matrix formed of a repeated pattern of spectral filters; - a polarizer matrix; - a photosensor matrix; and - a processing device designed to, for each of the different spectral bands, form at least one image of pixels having positions in the image corresponding respectively to predefined positions (i, j) of a mask (M) in the photosensor matrix, each of the pixels being calculated from the light intensities measured by the photosensors of the spectral band considered contained in the mask (M) at the position (i,j) of the pixel.The spectral filter pattern is designed so that, for each of the different spectral bands and for all predefined positions (i, j) of the mask (M), the photosensitive cells of the spectral band in question have an isobarycenter located in a central virtual cell (PVC) of the mask (M) of the same size as cells in the photosensitive cell array, and each of the predefined positions (i, j) of the mask (M) is offset by another predefined position (i, j) by one column or one row of the photosensitive cell array. Figure for the abbreviation: Fig. 7.

The utility model relates to the technical field of phototherapy, in particular to a light-operated blood glucose eyeshade device and a light-operated blood glucose eyeshade system. The light-operated blood glucose eyeshade device comprises a middle shell, an LED lamp panel and a rear shell. The middle shell and the rear shell are arranged on the two sides of the LED lamp panel. A plurality of LED lamp beads are arranged on the side, close to the rear shell, of the LED lamp panel. And the LED lamp panel is connected with the rear shell. And the middle shell is connected with the rear shell and covers the LED lamp panel. After a user correctly wears the eyeshade, red light emitted by the eyeshade can irradiate human eyes; red light enters from a visual window, signals can be directly transmitted by activating photosensitive retinal ganglion cells (ipRGCs) (special photoreceptor cells) through optic nerves to a series of nerve nuclei of hypothalamus and medulla oblongata, finally, the red light acts on peripheral brown adipose tissue BAT through sympathetic nerves, the metabolic capacity of blood sugar can be affected, and therefore the sugar control effect is achieved. And when the embodiment is used for reducing blood sugar, the user only needs to wear the equipment, so that the method is easy to implement.

The imager comprises: - a spectral filter matrix formed of a repeated pattern of spectral filters; - a polarizer matrix; - a photosensor matrix; and - a processing device designed to, for each of the different spectral bands, form at least one image of pixels having positions in the image corresponding respectively to predefined positions (i, j) of a mask (M) in the photosensor matrix, each of the pixels being calculated from the light intensities measured by the photosensors of the spectral band considered contained in the mask (M) at the position (i,j) of the pixel.The spectral filter pattern is designed so that, for each of the different spectral bands and for all predefined positions (i, j) of the mask (M), the photosensitive cells of the spectral band in question have an isobarycenter located in a central virtual cell (PVC) of the mask (M) of the same size as cells in the photosensitive cell array, and each of the predefined positions (i, j) of the mask (M) is offset by another predefined position (i, j) by one column or one row of the photosensitive cell array. Figure for the abbreviation: Fig. 7.