49 results about "Stack light" patented technology

The invention relates to the technical field of power supply of a direct-current light-superposed system, and discloses an operation mode switching control method applied to the direct-current light-superposed system, which comprises the following steps of: recording an output voltage when a combiner box has no current output before the direct-current light-superposed system is started; and executing different processes according to the duration after the direct-current stacked light system is started. According to the method, the impedance of the two sections of lines of the stacked light system is estimated through the operation information of the parallel stacked light system, updating is carried out according to needs, estimation of the voltage drop of the lines is achieved, and therefore the voltage of a base station power supply system is monitored by the stacked light system. The overload protection function of the parallel stacked light system is realized, the utilization rate of photovoltaic power generation is improved, the problems of overcharge and other abnormalities of a base station power supply system are solved, and the reliability of the stacked light system is improved.

The invention relates to the technical field of light guide plate processing, and discloses a light guide plate reflective layer adhesion process and evaporation coating equipment thereof, the light guide plate reflective layer evaporation coating equipment comprises a machine body, the interior of the machine body is hollow, and an operation cavity is formed; the target material hanging frame is arranged in the machine body and is used for mounting and evaporating a target material; the rotating frame is rotationally connected into the machine body and encloses the target material hanging frame; a plurality of groups of mounting mechanisms are arranged on the rotating frame at intervals in the circumferential direction of the rotating frame; each group of mounting mechanism comprises a central shaft and a clamping assembly; the center shaft is rotationally connected to the rotating frame, the number of the clamping assemblies is two, the two clamping assemblies are arranged on the two opposite sides of the center shaft correspondingly, and each clamping assembly is used for clamping light guide plates stacked in the vertical direction; and the driving mechanism is mounted between the machine body and the rotating frame and is used for driving the rotating frame to rotate and enabling the central shaft to rotate when the rotating frame rotates. According to the invention, the single-time coating capacity can be improved.

The present application discloses a method for determining the output voltage of a stacked light system and an electronic device, which belongs to the field of computers. The method includes: when the stacked light system meets the target conditions, the target device obtains the target floating charge voltage of the switching power supply; wherein the DC output end of the stacked light system is connected in parallel to the output bus of the switching power supply; based on the target floating charge voltage of the switching power supply, the target device determines the target output voltage of the stacked light system; wherein the target output voltage of the stacked light system is greater than the target floating charge voltage of the switching power supply.

A backlight module includes stacked light guide plates, a light source module, and a deflecting film. Each light guide plate has a light-incident surface, a light exit surface, a bottom surface, and a light guide structure. The light exit surface and the bottom surface are placed on two opposite sides of the light guide plate and both connected to the light-incident surface, and the light guide structure is formed on the bottom surface. The light-incident surfaces are placed on a light entry side and arranged along a stacking direction. The light source module is disposed on the light entry side and includes light-emitting elements. The light-emitting elements are arranged in a single line along the light-incident surface of each light guide plate, and each light-emitting element has a light emitting surface facing the light-incident surfaces of the plurality of light guide plates.

The invention relates to the technical field of power electronics and new energy power generation, discloses a lightning protection module state feedback circuit suitable for a direct-current stacked light system, and provides a unique and ingenious high-capacity lightning protection module state feedback scheme, and a lightning protection device which is low in design cost and small in size is built by using a piezoresistor and a fuse. The circuit can be applied to a scene of parallel connection of lightning protection devices and a scene of a single lightning protection device, is flexible and variable in application scene, can be compatible with a set of feedback receiving circuit in a conventional common scheme, achieves the same series isolation feedback effect, and provides a new choice for the design of a surge module.

The application provides a lens for improving the light-emitting uniformity of a panel lamp, which is suitable for being placed on a light source part. The lens comprises a main body, an incident cavity, a first refracting surface and a second refracting surface. The first refracting surface is located on the top surface of the main body. The incident cavity is recessed from the bottom surface of the main body to the top surface. The second refracting surface is annularly arranged on the bottom surface of the main body and surrounds the opening part of the incident cavity. The light source part is located below the opening part. The second refracting surface forms an included angle with the light-emitting surface of the light source part. The lens with the first refracting surface and the second refracting surface can improve the light efficiency and avoid the reduction of uniformity when solving the problem of stacked light source parts through specific geometric parameter configuration and hyperbolic curve segment design.

This application discloses a loading and unloading device for an evaporation coating equipment, relating to the technical field of optical device processing. It includes a base and a transport assembly, a lifting assembly, a guard assembly, and a robotic arm. The transport assembly is horizontally disposed on one side of the housing. The guard assembly is disposed on one side of the transport assembly, forming a positioning space adapted to a light guide plate between the guard assembly and the transport assembly. The lifting assembly includes a support platform and a first driving member. The support platform is movably connected to the base in a vertical direction, and the first driving member is used to drive the support platform to move. The robotic arm is disposed between the base and the housing, and includes grippers for clamping and moving multiple stacked light guide plates. This application can effectively improve the efficiency and effect of loading and unloading light guide plates, thereby effectively improving the efficiency and effect of evaporation coating of light guide plates.

A backlight module includes stacked light guide plates, a light source module, and a deflecting film. Each light guide plate has a light-incident surface, a light exit surface, a bottom surface, and a light guide structure. The light exit surface and the bottom surface are placed on two opposite sides of the light guide plate and both connected to the light-incident surface, and the light guide structure is formed on the bottom surface. The light-incident surfaces are placed on a light entry side and arranged along a stacking direction. The light source module is disposed on the light entry side and includes light-emitting elements. The light-emitting elements are arranged in a single line along the light-incident surface of each light guide plate, and each light-emitting element has a light emitting surface facing the light-incident surfaces of the plurality of light guide plates.

The eye protection lamp comprises a main body and a lamp holder arranged on the main body, the lamp holder comprises an annular fixing frame and a first circuit board, and the annular fixing frame is provided with a first annular groove; the first circuit board is arranged in the first annular groove, a plurality of first lamp beads are arranged on the end face, deviating from the bottom of the first annular groove, of the first circuit board and arranged in a surrounding mode to form an annular lamp ring, and overlapped light rays are formed in the irradiation direction of the annular lamp ring. And shadows of objects such as hands or books can be almost eliminated. This not only improves the reading and working efficiency, but also significantly increases the comfort of the user because the movement of the shadow tends to distract attention and cause rapid eye fatigue.

The present disclosure provides a fast and slow axis compression rearrangement prism system for stack light source beam shaping and combining, comprising: a collimation unit for collimating light beams generated by a laser stack light source, the laser stack light source comprising a first stack and a second stack, each stack comprising a plurality of micro strip lasers; the two-stage fast axis compression unit is used for compressing and rearranging light beam arrays among the plurality of micro strip-shaped lasers in each stack twice; the three-section slow axis rearrangement unit is used for translating the whole stacked light beam array in the slow axis direction, shifting the whole translated light beam array by the height of a complete fast axis light spot array in the fast axis direction, and translating the light beam array subjected to height shifting again in the slow axis direction to obtain a light beam array subjected to light spot rearrangement; the beam shrinking unit is used for compressing the beam waist size of the light beam array after the light spots are rearranged in the fast axis direction; and the focusing coupling unit is used for coupling the compressed light beam array into an optical fiber.

The utility model relates to a kind of car door handle with dot matrix lamp and handle assembly, including mutually closed handle shell and framework with assembly cavity, and the light emitting component being set in assembly cavity, the light emitting area is formed on handle shell, light emitting component is located inside light emitting area;Light emitting area is formed with multiple light transmission units in array distribution, light emitting component is configured with light emitting surface, and the light emitting surface and the light emitting area coincide;Light emitting component includes light source and light guide group, light source is located in the side of light guide group, light is emitted from the light source, and laterally incident into light guide group, to provide light for light emitting surface.The utility model lies in: using the light form of parallel incident light and light emitting surface, light source is shot from the side of light emitting surface, avoid the problem of non-uniform light emitting brightness caused by direct light source on light emitting surface, simultaneously, without stacking light source directly below light emitting surface, substantially reduce the size of handle in thickness direction, more adaptive to the installation space of car door.

The application discloses a kind of LGP material double-layer film tearing mechanism, including frame, the frame is respectively connected with tear film subassembly, material taking subassembly, loading table and collection box, the tear film subassembly includes the slide rail one of setting frame side and the mechanical hand connected with slide rail one, the mobile platform of including circular running track in the material taking subassembly, the mobile platform is connected with the grabbing component of grabbing light guide plate, loading table is connected with multiple pressing tables of annular arrangement, multiple pressing tables are fixed multiple overlapping light guide plates, the collection box is located in the extension part of slide rail one, advantage is: the stacked light guide plate can be double-layer film tearing, and both can fix the light guide plate connected with upper layer film when upper layer film is torn, and can fix the lower layer film connected with light guide plate when material taking subassembly moves light guide plate.

The invention provides a stacked power generation method and device, electronic equipment and a storage medium, and the method comprises the steps: dividing a photovoltaic array into a plurality of tracking sub-regions, and determining an optimal power generation working point in each tracking sub-region as a current power generation working point, the optimal power generation working point refers to a working point which enables the photovoltaic panel of the tracking sub-region to output the maximum power or reach other preset power generation targets; acquiring monitoring data of each tracking sub-region regularly or irregularly; according to the monitoring data of each tracking sub-region, judging whether a target tracking sub-region of which the current power generation working point needs to be replaced exists or not; and in response to the existence of the target tracking sub-region of which the current power generation working point needs to be replaced, obtaining a new optimal power generation working point of the target tracking sub-region and updating the new optimal power generation working point as the current power generation working point. According to the embodiment of the invention, the overall power generation efficiency of the photovoltaic array under complex and changeable illumination conditions can be remarkably improved.

The utility model relates to the technical field of stacking equipment, in particular to an alignment structure and a light guide plate stacker, the alignment structure comprises a first conveyor, a second conveyor and a supporting plate; a second conveyor is arranged on one side of the first conveyor, supporting legs of the second conveyor are connected with a supporting plate, an aligning mechanism is arranged above the supporting plate, and a pushing mechanism is arranged above the supporting plate far away from the aligning mechanism. According to the alignment structure and the light guide plate stacking machine, the first electric push rod is started to lift the first positioning frame, then the servo motor is started to drive the first positioning frame to extrude and align the two sides of the stacked light guide plates, and the air cylinder pushes the second positioning frame to extrude and align the front and back parts of the light guide plates; the alignment structure and the light guide plate stacking machine align the plurality of groups of light guide plates; the aligned multiple sets of light guide plates are jacked up through the top plate by starting the second electric push rod, then the multiple sets of light guide plates are carried down, and then the light guide plates can be conveniently taken down through the alignment structure and the light guide plate stacking machine.

A light diffusion sheet 43B has a plurality of inverted substantially polygonal pyramid-shaped recesses 105 on a first surface 102a that acts as a light emission surface or a light incidence surface. A second surface 101a on the opposite side to the first surface 102a is a matt surface, and a flattened layer (e.g., a flattened printed layer 103) composed of a light-transmitting resin (e.g., a light-transmitting ink 106) is provided to cover unevenness on the matt surface.

The invention relates to the technical field of medical instruments, in particular to a surgical dilator which comprises a main body part, one end of the main body part is provided with a light inlet part, the light inlet part is connected with a light source, and the other end of the main body part is a traction part; the light guide part is arranged on the main body part; the number of the light guide parts is two or more, and all the light guide parts are stacked on the main body part layer by layer; each light guide part is provided with a light outlet, and the light outlet direction of the light outlet faces the traction part. According to the surgical dilator, light is emitted towards the surgical site through the light guide parts stacked layer by layer, a multi-stage, multi-point and multi-face light emitting illumination mode is formed, the illumination range can be enlarged through multi-stage and multi-face illumination range stacking, the illumination effect is ensured, the illumination uniformity can be improved through multi-stage and multi-face illumination range stacking, and the illumination effect is improved. Ghosting of other surgical instruments in the surgical area can be reduced.

The invention discloses a hollow overlapped light steel keel sandwich heat preservation wallboard and a mounting method thereof, and relates to the technical field of light steel keel partition walls, the hollow overlapped light steel keel sandwich heat preservation wallboard comprises concrete slabs, light steel keels and a limiting mechanism, the limiting mechanism comprises a first limiting piece, a second limiting piece and a spring, and the first limiting piece and the second limiting piece are connected with the concrete slabs correspondingly; springs are arranged between the first limiting pieces and the second limiting pieces, the two ends of the concrete plates on the two sides are connected through light steel keels, and the concrete plates on the two sides and the light steel keels at the two ends define a filling space used for being filled with heat preservation materials. The springs improve the bending resistance of a system and can provide moderate deformation and energy absorption when bearing external force, so that the stability of the hollow laminated light steel keel sandwich thermal insulation wallboard is ensured; in addition, the arrangement of the springs is matched with the cast-in-place thermal insulation material, so that the stability and the consistency of the thermal insulation effect can be ensured, namely the thermal insulation effect of the hollow laminated light steel keel sandwich thermal insulation wallboard is improved.

The invention discloses an epitaxial structure, an LED chip and a manufacturing method thereof, the epitaxial structure comprises N stacked light-emitting units and tunnel junctions located between two adjacent light-emitting units, N is greater than or equal to 2, and N is a positive integer; the light-emitting unit comprises a first type waveguide layer, an active layer and a second type waveguide layer; the tunnel junction comprises a first type material layer and a second type material layer which are stacked; the forbidden bandwidths of the first type doping layer and the second type doping layer of the tunnel junction in the light emitting direction are not changed or are gradually increased; the array substrate further comprises a plurality of first-type reflecting layers; the first type reflection layer is laminated on the surface, facing the first type waveguide layer, of each tunnel junction; or the first type reflection layer is laminated on the surface, deviating from the active layer, of each first type waveguide layer. The epitaxial structure is combined with a plurality of light-emitting units through tunnel junctions to form a multi-junction structure, so that the working voltage is effectively improved. And moreover, the occupied area is small, and the epitaxial area loss is reduced. Through the arrangement of the forbidden band width of the tunnel junction, the top light absorption from the epitaxial structure along the light emitting direction is reduced, and the higher light emitting efficiency is ensured.

The invention provides a backlight module and a display device. The backlight module comprises a light source substrate, a reflection cup cover, a diffusion film, a light splitting film and a packaging shell, and the light source substrate comprises a plurality of light-emitting elements arranged in an array; the reflection cup cover is located on the side, where the light-emitting elements are arranged, of the light source substrate. The reflection cup cover comprises a plurality of mutually connected reflection cups, an opening is formed in the center of each reflection cup, at least one light-emitting element is located in the opening, and reflection walls of the reflection cups are arranged around the light-emitting elements; the diffusion film is located on the side, away from the light source substrate, of the reflection cup cover, at least part of the reflection cup cover makes contact with the diffusion film, and the at least two stacked light splitting films are located on the side, away from the light source substrate, of the diffusion film. According to the arrangement, the distance between the diffusion film and the light-emitting element can be compressed, the thickness of the backlight module is reduced, meanwhile, the light splitting film is utilized, the lattice pattern phenomenon is eliminated, the distance between the side edge area of the packaging shell and the light source substrate can be further reduced, and a narrow frame of the backlight module is achieved.

The invention provides a staggered stacking type light-emitting chip structure, a manufacturing method thereof and image display equipment. The staggered stacking type light-emitting chip structure comprises a first light-emitting chip, a second light-emitting chip and a third light-emitting chip. The first light-emitting chip, the second light-emitting chip and the third light-emitting chip are sequentially stacked from bottom to top and staggered in the horizontal direction. The vertical projection of the second positive electrode welding pad and the vertical projection of the second negative electrode welding pad of the second light-emitting chip do not fall on the first top light-emitting surface of the first light-emitting chip at all. The vertical projection of a third positive electrode welding pad of the third light-emitting chip and the vertical projection of a third negative electrode welding pad of the third light-emitting chip do not fall on the first top light-emitting surface of the first light-emitting chip and the second top light-emitting surface of the second light-emitting chip at all. Therefore, mutual optical influence among the projection light beam generated by the first light-emitting chip, the projection light beam generated by the second light-emitting chip and the projection light beam generated by the third light-emitting chip can be minimized.

This application relates to an LED driver for a stacked LED driver lighting system. A control logic circuit (202) has a configuration input and a PWM input, and a first control output to a third control output. The configuration input receives a value indicating a leader / follower state and generates a first signal indicating a first / second state at the first control output, a second signal indicating a first dimming state at the second control output, and a third signal indicating a second dimming state at the third control output. A clock circuit (206) includes an oscillator for generating an oscillator clock and has a first control input to a third control input, a clock output, and a synchronization terminal. The clock circuit (206) is configured to: generate a first clock based on a synchronization clock in response to the first state; and generate the first clock based on the oscillator clock and additionally generate a synchronization clock based on the oscillator clock in response to the second state.

The utility model provides a direct-current stacked optical module and a photovoltaic power supply system, which are characterized in that the internal space of a shell is divided into a first chamber and a second chamber which are arranged left and right, and a wiring window is arranged at the top of one side, close to the front surface of the shell, of the second chamber; the photovoltaic module is arranged in the first cavity, and the power distribution module and the photovoltaic wiring terminal are arranged in the front space of the second cavity side by side and face the front face. The photovoltaic wiring terminals are in one-to-one correspondence with the photovoltaic modules and are electrically connected with the input ends of the rear ends of the corresponding photovoltaic modules; the bus positive line bank is arranged in the second cavity and is positioned in the wiring window; the bus positive line bank is electrically connected with the output end positive electrode of the rear end of each photovoltaic module. The first end of the power distribution module is connected with the cathode of the DC bus, and the second end is electrically connected with the output end cathode of each photovoltaic module. Separated unit modules in a solar power generation system are assembled in a unified mode, wiring complexity is simplified, maintenance is convenient, and the size is small.

The present disclosure belongs to the technical field of photovoltaic communication base station, and particularly relates to a stacked light base station voltage tracking method, system, device and medium, the method comprising: S1, judging whether the switching power supply and the photovoltaic device have communication functions, and selecting different methods to obtain the switching power supply output voltage value based on the judgment result; S2, testing the photovoltaic device to obtain the initial photovoltaic device output voltage value, the photovoltaic device output current value and the switching power supply output voltage value, so as to calculate the direct current cable resistance; S3, calculating the adjustment of the initial photovoltaic device output voltage value based on the switching power supply output voltage value, the direct current cable resistance and the photovoltaic device output current value, to obtain the adjusted photovoltaic device output voltage value; S4, repeatedly executing S1-S3 based on the preset frequency to obtain several adjusted photovoltaic device output voltages, judging the stability of the change of the several adjusted photovoltaic device output voltages, and adjusting the preset frequency based on the judgment result. The present application improves the accuracy of voltage tracking.

The invention discloses a micro-nano light trapping structure and two-dimensional material integrated photoelectric sensor and a preparation method and application thereof, and belongs to the technical field of photoelectric sensors, the micro-nano light trapping structure and two-dimensional material integrated photoelectric sensor comprises a light convergence layer, a transparent upper electrode layer, a two-dimensional material layer, a micro-nano light trapping structure layer, a lower electrode layer and a readout circuit layer which are stacked in sequence; wherein the two-dimensional material layer is deposited and wrapped on the surface of the micro-nano light trapping structure layer; and the transparent upper electrode layer partially wraps the surface of the two-dimensional material layer. The invention also discloses a preparation method of the photoelectric sensor and application of the photoelectric sensor in photoelectric detection, imaging technology and environment monitoring. The photoelectric sensor provided by the invention is low in power consumption and high in integration level, can realize high photoelectric conversion efficiency, and can be widely applied to the fields of aviation, spaceflight, military industry, security and the like.

This invention discloses a backlight module, a display device, and a backlight brightness adjustment method. The backlight module includes at least two stacked light guide structures and a light-emitting structure. Each light guide structure has multiple light guide parts arranged in parallel. The side end face of each light guide part is set as the light incident surface, and the end face in the thickness direction is the light emitting surface. The light guiding directions of the light guide parts in different layers of the light guide structure are set at an angle. Each light guide part has multiple light guide points arranged in parallel along its light guiding direction. In the light emitting direction, the light guide points in each layer of the light guide structure are arranged in a one-to-one correspondence. The light-emitting structure includes multiple light-emitting parts, each of which is set corresponding to the light incident surface of one of the light guide parts. This solution achieves brightness zone control by superimposing the brightness of the light guide points in different light guide parts. By placing the light-emitting parts on the side of the light guide parts, the overall thickness of the backlight module is reduced, which can meet users' demand for thin television products.

The utility model discloses a light guide housing, a light source assembly and a sound box, and relates to the technical field of light sound boxes, a containing cavity is formed in the light guide housing, and a first light guide structure is formed on the circumferential side wall surface of the containing cavity; a second light guide structure is formed on the top wall surface of the accommodating cavity; the first light guide structure and the second light guide structure are used for guiding light in the containing cavity out of the light guide shell. According to the technical scheme, the first light guide structure and the second light guide structure are arranged on the circumferential side wall face and the top wall face of the containing cavity respectively, the light in the containing cavity is guided out of the light guide shell, and therefore the light emitting brightness and the light emitting uniformity of the light guide shell are greatly improved; and due to the double-layer stacked light emitting mode, the light guide shell has a relatively three-dimensional light emitting effect and is more attractive, and the impression of a user is greatly improved.

The present invention relates to the technical field of power supply for a DC stacked light system, and discloses an operation mode switching control method applied to a DC stacked light system, the steps of which are as follows: recording the output voltage of the junction box when there is no current output before the DC stacked light system is started; executing different processes according to the length of time after the DC stacked light system is started. The present invention estimates the impedance of the two-section lines of the stacked light system through the operation information of the parallel stacked light system, and updates it as needed, thereby realizing the estimation of the line voltage drop, and thus realizing the monitoring of the voltage of the base station power supply system by the stacked light system. The present invention realizes the overload protection function of the parallel stacked light system, which is beneficial to improving the utilization rate of photovoltaic power generation and solving abnormalities such as overcharging of the base station power supply system, thereby improving the reliability of the stacked light system.

The invention discloses a multi-layer blue light stacked light-emitting device and a preparation method thereof, and belongs to the technical field of display, the multi-layer blue light stacked light-emitting device comprises a substrate layer, and an anode, a first blue light-emitting layer, a middle layer, a second blue light-emitting layer and a cathode which are sequentially stacked along the upper surface of the substrate layer; wherein the first blue light emitting layer comprises a fluorescent material, and the second blue light emitting layer comprises a thermally activated delayed fluorescent material and a fluorescent material. According to the multi-layer blue light stacked light-emitting device, a double-blue light-emitting layer structure is adopted, and compared with a single-layer light-emitting layer, the double-layer structure can achieve regulation and control of excitons / carriers, energy level matching and injection optimization, and interface stability is improved; and secondly, the TADF and the fluorescent material are used as a second light emitting layer, and after the TADF converts the absorbed excitons into singlet through RISC, the singlet is transferred to the fluorescent material through Frster resonance energy transfer or Dexter electron transfer, so that the exciton utilization rate of the fluorescent material is greatly improved, thereby breaking through the conventional efficiency bottleneck, improving the energy conversion efficiency and improving the light emitting quality.

The invention discloses a feeding and discharging device of evaporation coating equipment, and relates to the technical field of optical device processing, the feeding and discharging device comprises a seat body, a transportation assembly, a lifting assembly, a blocking and protecting assembly and a manipulator; the transportation assembly is horizontally arranged on one side of the shell; the blocking and protecting assembly is arranged on one side of the conveying assembly, and a positioning space matched with the light guide plate is formed between the blocking and protecting assembly and the conveying assembly; the lifting assembly comprises a supporting table and a first driving piece. The supporting table is movably connected with the base body in the vertical direction, and the first driving piece is used for driving the supporting table to move; the mechanical arm is arranged between the base and the shell and comprises a clamping jaw used for clamping a plurality of stacked light guide plates to move. The loading and unloading efficiency and effect of the light guide plate can be effectively improved, so that the evaporation coating efficiency and effect of the light guide plate are effectively improved.

The present invention discloses an illumination method and light source for a large-scale photocuring 3D printer. The method utilizes a sequentially stacked light source, collimating lens, focusing lens, homogenizer, spatial filter, free-form surface lens, Fresnel collimating lens, and illumination surface. The light source includes an array of lamp beads, enabling the device to increase the total power of the light source, enabling illumination of large-scale LCD screens while also improving the quality of the light beam. A secondary light beam processing scheme is employed, namely, focusing, homogenizing, and spatially filtering the collimated light beam. After secondary processing, the light beam forms a new extended light source at the spatial filtering point. This light source has a good light intensity distribution, facilitating light field homogenization and spot shape control by the free-form surface lens. Finally, the light beam is collimated by the Fresnel lens, enabling the beam's collimation to be controlled within 5 degrees.