26 results about "Light induced" patented technology

The present application relates to a kind of fluorine-containing dihydronaphthalenone derivative and its preparation method and application, the fluorine-containing dihydronaphthalenone derivative obtained by visible light induced phosphine catalysis difluoroacetophenone derivative and the radical addition cyclization reaction of a variety of olefins in series compared with prior art, the preparation method of the present application has the advantages of high efficiency, short reaction time, high yield, mild condition etc., its structural motif is important in pharmaceutical and agrochemical products;The synthetic method for preparing fluorine-containing dihydronaphthalenone and its derivative of the present application is completely new, and the fluorine-containing dihydronaphthalenone compound synthesized is used in various organic synthesis reactions.

The application provides a display module and a display device. The display module comprises a display panel and a light sensing device. The display panel comprises a light sensing area, and a first type of transistor is arranged in the light sensing area and participates in the generation process of a light emitting driving electric signal. The light sensing device overlaps the light sensing area in a direction perpendicular to the plane where the display panel is located. A floating gap exists between the light sensing device and the display panel, and an insulating part is arranged in the floating gap. The design of arranging the insulating part in the floating gap is conducive to eliminating the tendency of static charge accumulation caused by the small gap. In addition, considering that the insulating part has good insulation performance, the insulating part can block the accumulation process of static charge in the floating gap, thereby avoiding the formation of a strong interference electric field between the display panel and the light sensing device, and further reducing the risk of interference of the first type of transistor from the source, thereby ensuring the display effect of the display panel.

The application relates to the technical field of sensors, in particular to a visual-tactile sensor based on a fiber array and a contact sensing method. The sensor comprises a base piece, an elastic body arranged on one side of the base piece, an image assembly arranged between the base piece and the elastic body, and a light sensing array. The sensor integrates the fiber array and the visualized elastic body in the same flexible structure, realizes high spatial resolution contact shape reconstruction, six-dimensional contact force estimation and micro sliding trend detection without significantly increasing the volume; the contact sensing method synchronously collects image information and fiber signals, extracts image spatial features and fiber time sequence features through a convolutional neural network, splices and fuses the features to output contact shape parameters, six-dimensional force / torque and sliding probability, and introduces a physical constraint loss function to impose monotonicity and consistency constraints on the prediction results, so that the contact sensing results conform to the physical law.

A warp knitting machine and a jacquard device using optical communication, the jacquard device comprises a jacquard guide needle block, a first circuit board and a first optical signal receiver, a first slot is arranged on the base of the jacquard guide needle block, the first circuit board is arranged in the first slot, the power connection end of the first optical signal receiver is electrically connected with the first circuit board, and the first light sensing part of the first optical signal receiver is arranged towards the lower side of the first slot. In the utility model, the first optical signal receiver is arranged to receive the first optical signal, so that the copper bar and the needle transmission pattern process data are replaced, better electromagnetic interference resistance is achieved, and the service life of the jacquard device is prolonged.

The utility model relates to the technical field of television heat dissipation, and disclose a television backplate structure that good heat dissipation, including television backplate structure main part structure still include: rear shell hanger, air cooling radiator, temperature light inductive device, television backplate structure main part structure upside fixedly connected with rear shell hanger, television backplate structure main part structure downside fixedly installed with air cooling radiator, television backplate structure main part structure downside fixedly connected with temperature light inductive device, air cooling radiator contains installation bottom plate, integrated heat dissipation fin structure is fixedly installed on the installation bottom plate upside, integrated heat dissipation fin structure upside symmetry is installed with fan drive structure, the fan drive structure center symmetry is installed with heat dissipation fan blade, can avoid the performance of television of high temperature damage, and the temperature control alarm light temperature control alarm light sends visual alarm, and the user can through the hint of this device timely intervention and avoid damaging television.

A tunable and reconfigurable transparent electrode for a light valve includes a semi-insulating material substrate having an electrically insulating dark region and a shallow electrically conductive region. The light valve further has a transparent and conductive contact supported by the semi-insulating material substrate, wherein charged carriers are generated optically in response to incident light passing through the transparent and conductive contact and into the semi-insulating material substrate.

The present application relates to the technical field of lighting fixtures, and specifically relates to a light-sensing sensor, a lighting fixture and a use method. The light-sensing sensor comprises a condensing lens, a light sensor and a housing; the housing is provided with an accommodating space; the housing is provided with a through hole; the condensing lens and the light sensor are each fixedly arranged within the accommodating space of the housing; a portion of the condensing lens is provided within the through hole; the condensing lens and the light sensor are arranged corresponding to each other; the condensing lens is used for collecting light outside the housing, and the light sensor is used for sensing a change in the light collected by the condensing lens. The present application provides the light-sensing sensor, the lighting fixture and the use method to solve the problem of existing sensors that a light-collecting element and a sensing element are respectively fixed by means of two components during a design process, and during later assembly and use, an installation error between the two leads to inaccurate positioning between the light-collecting element and the sensing element, which affects the use performance of the sensors and results in poor experience.

An optical stylus system including an optical stylus and optical sensing system that are together operative to determine one or more of the target or touch location, centroid, hover distance, tilt angle, azimuth, and in some instances the orientation and rotation of the stylus is disclosed. In some examples, light illuminator and detector angular filters are employed to limit the illumination and detection angles of light to minimize false object detection. In other examples, the stylus is a passive stylus with a surface that reflects light with a consistent angular reflection profile or reflected light pattern regardless of stylus tilt. In still other examples, the stylus can detect light at different modulation frequencies emitted from an array of light emitters in the optical sensing system, or the stylus can emit light and detect reflected light with different spectral distributions across the optical sensing system to determine stylus location.

A method includes directing a laser beam to irradiate a section of a substrate to remove a layer formed on the section. At least a spectral component indicative of layer material removed from the layer is detected from light emitted from the section in response to the irradiating laser beam. Based on the detected spectral component, the laser beam irradiation of the section is controlled or stopped.

The present application relates to the field of photocatalytic organic synthesis, and particularly to a visible light induced tandem radical addition-cyclization reaction for constructing an aromatic heterocycle linked indole ketone compound and a preparation method thereof.By introducing an unsaturated group at the ortho position of a ketoxime ester, a new intramolecular cyclization pathway is generated to realize the construction of a new aromatic heterocycle radical, and a preparation method of the aromatic heterocycle linked indole ketone compound is further provided, and the specific molecular structure is shown in the following formula (I). The present application has the advantages of easy availability of raw materials, simple operation, mild conditions, simple synthesis route, high synthesis efficiency, strong functional group adaptability of the substrate, potential application value in the biological and medical fields due to the particularity and designability of the aromatic heterocycle linked indole ketone structure.

The application discloses a defrosting device and method for an evaporator, and relates to the technical field of defrosting. The defrosting device comprises a controller, an infrared heating assembly, a laser sensing assembly and a temperature sensor connected with the controller. The infrared heating assembly comprises a first support plate, a plurality of heating plates and a plurality of infrared heating lamps. Each heating plate is arranged on the support plate, and each infrared heating lamp is arranged on the heating plate. The laser sensing assembly comprises a second support plate and a plurality of laser sensors, and each laser sensor is arranged on the second support plate. In the application, the infrared heating assembly and the laser sensing assembly are matched, different defrosting zones can be realized according to different frosting conditions on the evaporator, not only the frosting hidden danger can be quickly eliminated, but also the energy consumption can be reduced, and at the same time, the violent heat fluctuation in the defrosting process can be avoided, and the temperature in the refrigerator can be effectively maintained stable.

A display device includes a substrate including a display area and a photo sensing area overlapping the display area, a plurality of pixels disposed at the display area and having an emission area, and a plurality of photo sensors disposed at the photo sensing area and having an effective sensing area. Each of the plurality of pixels includes a light-emitting element including a display pixel electrode, an emissive layer, and a common electrode. Each of the plurality of photo sensors includes a photo sensing element including a sensing electrode, a photoelectric conversion layer and the common electrode. The common electrode is disposed between the emissive layer and the photoelectric conversion layer. A center point of the effective sensing area is located in the emission area in a plan view.

The application provides a mine tunnel route real-time monitoring device and a monitoring method thereof, and relates to the field of coal mine tunnel facilities. The mine tunnel route real-time monitoring device comprises a control bin and a plurality of sensing tentacles. The sensing tentacles are arranged in a straight line and arranged in a ring around the control bin. The sensing tentacles are formed by a strip rod, a plurality of GPS locators and a plurality of connecting pipes. The tail end of the strip rod is connected with the control bin, and the strip rod is in the same straight line with the plurality of GPS locators. The mine tunnel route real-time monitoring device is provided with a plurality of sensing tentacles outside the control bin. The sensing tentacles are composed of a GPS locator, a connecting pipe and a strip rod. The GPS locator is provided with a rotating disc, a baffle and a light sensing unit. The strip rod is provided with a laser emitter. Whether the emitted light can irradiate on the light sensing unit is used to determine whether the position of the GPS locator is changed. Whether the mine wall is cracked too seriously is determined, the monitoring purpose is achieved, the traditional monitoring facilities are replaced, and the mine wall condition can be observed in more detail.

The application discloses a device and method for detecting light frequency change, the device comprises a photographic module, a fiber assembly, a light-transmitting slit, a three-prism light-splitting module, a microscopic module and a CMOS light-sensing module arranged along a light path; the fiber assembly comprises two optical fibers with the same specification, which respectively transmit standard light and target light imaged by the photographic module; the light-transmitting slit shapes the two light beams and then makes the light beams enter the three-prism; the three-prism splits light and realizes one-stage amplification; a rotating shaft is used for fine adjustment to realize synchronous scanning of the two light spectrums; the microscopic module completes two-stage amplification; the CMOS light-sensing module realizes three-stage amplification and transmits spectral data to a computing terminal; and finally, the computing terminal is used for calculating the change amount of the frequency. Through synchronous transmission of the two lights and multi-stage amplification, the application improves the detection resolution, has a simple structure and strong environmental adaptability, can accurately detect small changes in light frequency, and is suitable for cross-disciplinary scenes such as chemical industry and precision measurement.

A method of manufacturing a high-resolution display apparatus having a light sensing function is provided. The method for manufacturing a display apparatus includes: a first step of forming a first pixel electrode and a second pixel electrode; a second step of depositing a light-emitting and light-receiving film over the first pixel electrode and the second pixel electrode; a third step of depositing a first sacrificial film covering the light-emitting and light-receiving film; a fourth step of etching the first sacrificial film and the light-emitting and light-receiving film to form a light-emitting and light-receiving layer and a first sacrificial layer over the light-emitting and light-receiving layer and to expose the second pixel electrode; a fifth step of depositing an EL film over the first sacrificial layer and over the second pixel electrode; a sixth step of depositing a second sacrificial film covering the EL film; a seventh step of etching the second sacrificial film and the EL film to form an EL layer and a second sacrificial layer over the EL layer; an eighth step of removing the first sacrificial layer and the second sacrificial layer and exposing the light-emitting and light-receiving layer and the EL layer; and a ninth step of forming a common electrode covering the light-emitting and light-receiving layer and the EL layer.

The present disclosure pertains to a time-of-flight system, having: an illumination source, a time-of-flight camera having a time-of-flight sensor, including: a light sensing circuitry for detecting light and outputting light sensing signals; and a logic circuitry for processing the light sensing signals from the light sensing circuitry, wherein the logic circuitry includes a sequencer circuitry and a register circuitry, wherein the register circuitry includes multiple registers for storing data which are derived on the basis of the light sensing signals and wherein the sequencer circuitry is adapted to select at least a first set of registers of the register circuitry and a second set of registers of the register circuitry for dynamically providing a first type of frames based on the selected first set of registers and a second type of frames based on the selected second set of registers, wherein first type frames and second type frames are generated in a defined sequence of frames, and a host circuitry connected via a bus to the time-of-flight camera, wherein the host circuitry is configured to configure the sequencer circuitry.

A tunable and reconfigurable transparent electrode for a light valve includes a semi-insulating material substrate having an electrically insulating dark region and a shallow electrically conductive region. The light valve further has a transparent and conductive contact supported by the semi-insulating material substrate, wherein charged carriers are generated optically in response to incident light passing through the transparent and conductive contact and into the semi-insulating material substrate.

The application relates to the field of noninvasive detection technology and discloses a brain computer oxygen monitoring integrated probe, which comprises a contact layer sheet, a plurality of groups of electrode contact sheets and an attached mounting unit. The brain computer oxygen monitoring integrated probe is stacked in the vertical direction through a layered mounting module, electrode lead wire layers, brain oxygen optical element mounting layers and electromagnetic shielding layers are arranged in the vertical direction, the functional structures required by brain electric acquisition and brain oxygen monitoring can coexist in the limited height space of the forehead, the light window of the contact layer sheet and the light hole of the mounting layer sheet form a light well in the vertical direction, the light emitting device and the light sensor are respectively located directly above the light well and keep alternating interval distribution, the space congestion problem caused by simultaneously arranging the brain electric electrode and the brain oxygen optical assembly in a single plane is avoided, and the brain electric electrode and the brain oxygen optical assembly can work in the best acquisition area under the premise of not interfering with each other.

The utility model discloses a laser inductor, including the main part, is seted up with recess on the main part, the recess's groove bottom is seted up with first slot and second slot, the first slot's groove bottom is seted up with the first through -hole that communicates with the inside of main part, the second slot's groove bottom is seted up with the second through -hole that communicates with the inside of main part, the first slot is inlayed with first lens, the second slot is inlayed with second lens, first lens and second lens cover respectively on first through -hole and second through -hole, be equipped with control module in the main part, control module is electrically connected with laser emission device and laser receiving device, laser emission device and laser receiving device are respectively towards first through -hole and second through -hole. The utility model provides a kind of laser inductor, and the independent emission and receiving space of transmission end and receiving end are used respectively, avoid the misjudgment caused by the diffusion of light.

The present application relates to a kind of visible light induced aromatic compound occurs to edit the reaction of de-aromatic skeleton to synthesize novel tricyclo [4,4,2,0] skeleton molecule method. Specifically under the action of photocatalyst, N-acetyl imine generates double radical, and through double radical iteration produces de-aromatic cycloheptatriene type double radical intermediate, then with alkyne occurs the radical type cycloaddition reaction. The present application obtains a series of novel tricyclo [4,4,2,0] skeleton molecules by simple and safe step.

The present application provides a particle containing device, a non-contact particle processing apparatus and a photo-sensing structure thereof. The particle containing device is used for containing a liquid sample containing a plurality of particles. The containing device includes a photo-sensing structure and a matching structure spaced from the photo-sensing structure. The photo-sensing structure includes a substrate, an electrode layer and a photoelectric layer formed on the substrate, and an insulator formed on the photoelectric layer. The insulator includes a charge type track protruding from the photoelectric layer. The photoelectric layer is capable of operating to generate a plurality of charges concentrated on the charge type track, so that the charge density of the charge type track is greater than the charge density of the outer surface of the photoelectric layer, so that the charge type track positions at least one of the particles thereon by electrostatic adsorption. In this way, the particles are moved and positioned by the above-mentioned electrostatic adsorption, so as to accurately realize the positioning of the particles.

This utility model discloses an explosion-proof multi-light sensor camera, including a camera body. The camera body includes: a housing assembly: composed of a shell and a bottom shell connected by screws, the shell having rounded corners and reinforcing ribs with screw holes inside; an external assembly: including a front panel embedded in the front surface of the shell and a protective lens on top of it, the back of the front panel having a buffer pad; and a functional module group, including: a sensing base plate disposed inside the shell and attached to the front panel; a lens protective sleeve located above the sensing base plate; a PCB circuit board located behind the sensing base plate; and a sensor circuit board spaced apart from the PCB circuit board. This utility model meets the explosion-proof requirements of explosion-proof equipment through structural reinforcement, eliminates the risk of electrical sparks through temperature control, and blocks the intrusion of explosive media, enabling the camera to have reliable optical sensing function and inherent safety performance in flammable and explosive environments.

The utility model provides a kind of light response reminding intelligent switch, belong to intelligent switch field, including switch body, the side of switch body is provided with switch button, the other side of switch body is provided with terminal box, and the switch body is provided with the sensing component for sensing human reminding for being used to sense component, the utility model discloses when using, install terminal box in wall interior, and make switch body protrude wall, by human sensor to sense whether someone is close, when someone is close, human sensor will trigger, then by controller opens the LED light bar of switch body close to wall side, makes LED light bar bright, and by the reflection of wall everywhere divergent formation soft light, can prompt the position of switch body to the person close, the hidden design of lamp strip is more senior, can avoid lamp strip directly irradiating eye.

This utility model discloses a protective film for automotive headlights to prevent glare, belonging to the field of automotive parts technology. It includes a protective film body with a micro-groove on its top edge. A control circuit and a light sensor are embedded in the micro-groove. The control circuit and light sensor are encapsulated with epoxy resin material, and the encapsulated control circuit and light sensor are flush with the surface of the protective film body. The protective film body includes a substrate layer. This utility model uses a light sensor to detect ambient light intensity in real time. The control circuit dynamically adjusts the transmittance of the intelligent dimming layer based on the detection results, thereby achieving a highly efficient anti-glare effect. It can automatically adjust the transmittance according to changes in ambient light, achieving dynamic anti-glare and significantly improving driving safety and driving experience. In addition, the design of the protective layer gives the protective film waterproof, dustproof, and scratch-resistant functions, extending the service life of the headlights.

The present application relates to a kind of coherent collapse laser light source and fiber-optic gyroscope, belong to fiber-optic gyroscope technical field, solve the problems of complex structure, higher cost, complex process and application limit in prior art.The coherent collapse laser light source of the present application, using self-injection light induced laser enters coherent collapse state, laser spectrum is widened to several tens of GHz, without high bandwidth photoelectric modulator and complex multistage amplification circuit, the widening effect is good, and the application cost is low;The light source structure adopts all-optical loop feedback structure, and the devices used are common optical devices easy to obtain, simple structure, convenient to realize, no additional process difficulty;The light source adopts full polarization-maintaining optical path structure, and the output is linearly polarized light, greatly reduces the additional loss caused by polarization mismatch when light source and gyro Y waveguide coupling, adapts to various fiber-optic gyroscopes;The fiber-optic gyroscope driven by the coherent collapse laser light source disclosed in the present application has low cost, good performance, and is easy to miniaturize and civilianize.

This utility model relates to the field of automobile door unlocking, specifically to a photosensitive electronic unlocking structure, including a handle base, a handle, and a first spring for resetting the handle. The handle is rotatably connected to the handle base. A transmitter / receiver and a reflector are fixedly mounted on the back of the handle base. A blocking part for blocking light is fixedly connected to the handle; the reflector and the transmitter / receiver are located on opposite sides of the blocking part. This solution achieves electronic unlocking through photosensitive sensing, eliminating the need for a microswitch to detect the rotation of the handle.