28results about How to "Improve light utilization" patented technology

The utility model discloses a novel light guide plate with uniform light distribution relates to novel light guide plate technical field, this novel light guide plate with uniform light distribution includes novel light guide plate, and the novel light guide plate four corners are all connected with fixed clamp seat, the utility model discloses, light guide plate adopts gradual change compound dot, and the design of circular dot and rhombus dot is combined with the layout of optical simulation optimization, and the optimization surface light intensity solves the problem of uneven light emission from the light conduction source, and the nanometer diffusion film cooperates with the micro prism brightening layer, and the light is regulated by secondary scattering and total reflection, and the light emission uniformity is improved 40% than traditional light guide plate, and effectively eliminates bright spot, dark area, and adapts high -end display, precision lighting scene.

This invention belongs to the field of photocatalyst materials technology, specifically relating to a three-dimensional graphene aerogel photo-self-propelled Fenton catalyst, its preparation method, and its application. The preparation method includes: mixing a graphene dispersion containing ethylenediamine with a phenolic resin prepolymer containing ferrocene, phenols, and an alkaline catalyst; followed by a one-step hydrothermal reaction, washing, and freeze-drying to obtain the three-dimensional graphene aerogel photo-self-propelled Fenton catalyst. This catalyst can be used to degrade organic pollutants in water under visible light irradiation.

This invention discloses a plant cultivation system, belonging to the technical field of plant cultivation systems. The system includes a cultivation chamber, double-sided supplemental lighting fixtures, multiple cultivation units, and a ventilation system. By centrally arranging double-sided supplemental lighting fixtures within a closed chamber, and layering multiple nutrient return components and multiple inclined cultivation pots on mounting frames on both sides of the fixtures, with the cultivation chambers of the pots inclined towards the supplemental lighting fixtures, and a ventilation system at the top of the chamber, all planting surfaces can receive uniform light and ventilation. Simultaneously, the ventilation system dissipates heat from the lighting fixtures, eliminating the need for additional cooling devices and resulting in lower energy consumption. Compared to traditional flat-layer cultivation, this solution offers higher space utilization efficiency, more efficient use of light resources, complete recycling of nutrient solution, and more uniform overall crop light exposure. Annual yield for the same planting area is significantly higher than traditional methods, while requiring less manpower and lower costs for daily maintenance, making it suitable for large-scale, high-efficiency cultivation.

The utility model provides a crop insect pest prevention illumination regulation and control greenhouse structure, which relates to the technical field of greenhouse illumination regulation and control, and comprises a greenhouse wall body, an illumination regulation and control assembly is arranged at the top end of the greenhouse wall body, the illumination regulation and control assembly comprises a mounting frame welded on the upper side of the greenhouse wall body, and rolling bins are arranged at the left end and the right end of the mounting frame. A winding rod is mounted in the right side of the winding bin, shading cloth is wound on the surface of the winding rod, a connecting frame is welded to the bottom end of the mounting frame, a rotating shaft is mounted on the inner side of the connecting frame, and a mounting plate is connected to the lower side of the rotating shaft. By arranging the illumination regulation and control assembly, a connecting belt drives shading cloth to be wound to an adjusting rod by rotating the adjusting rod, so that the bottom of a mounting frame is shielded through the shading cloth, light is prevented from irradiating into the greenhouse, when illumination needs to be increased, a winding rod is rotated, the shading cloth is wound and recycled to the winding rod, and therefore the light enters the greenhouse.

The utility model discloses a photovoltaic assembly, the photovoltaic assembly comprises a cell sheet array, a front cover plate, a rear cover plate, a sealant and a reflective film strip, the cell sheet array comprises a plurality of solar cell sheets, gaps are arranged between the solar cell sheets, the front cover plate and the rear cover plate are respectively arranged on the light receiving side and the backlight side of the cell sheet array, and the reflective film strip is arranged between the front cover plate and the rear cover plate. The battery piece array is sealed between the front cover plate and the rear cover plate through the sealant, the reflective film strip is arranged on the side face, facing the battery piece array, of the rear cover plate and provided with a textured area and a pair of reflective slopes, and the pair of reflective slopes are arranged on the two opposite sides of the textured area respectively. The reflective slope gradually inclines towards the rear cover plate in the direction facing the textured area, and the whole textured area and at least part of the reflective slope are exposed to the light receiving side through the gap. According to the photovoltaic module provided by the utility model, the light passing through the gap can be reflected towards the solar cell through the textured area and the pair of reflective slopes, so that the light utilization rate of the photovoltaic module is improved.

This invention provides a metal mask for silicon-based liquid crystal light valve chips, relating to the field of semiconductor optoelectronic device manufacturing technology. It includes a metal substrate and a pixel aperture array, alignment mark area, stress buffer, and reinforced border disposed on the metal substrate, adaptable to mass production evaporation and photolithography processes for LCoS light valve chips. The metal substrate consists of four layers stacked sequentially from bottom to top: a substrate layer, a molybdenum transition layer, a Mo-Ta-N functional pattern layer, and an Al2O3-SiO2 composite passivation layer. The molybdenum transition layer is deposited on the substrate surface using magnetron sputtering, with a surface roughness Ra < 0.15 nm. The Mo-Ta-N functional pattern layer is deposited on the surface of the molybdenum transition layer using reactive magnetron sputtering. The near-vertical, low-roughness aperture sidewalls of this invention result in shadow-free evaporation, uniform electrodes, and clear edges, improving the light utilization and contrast of the LCoS chip. It also increases the utilization rate of the evaporation material and reduces material loss during mass production.

The application discloses a kind of processing methods of multi-focal microlens array, belong to laser application technical field.The purpose of the present application is to solve the problem of traditional plane microlens array only single focal length, low processing efficiency and great processing difficulty;The method is obtained by spatial shaping to ultrafast laser in the quartz inside different focal depth multi-focal array, realize different depth in quartz glass inside ablation.After being ablated quartz glass is etched by hydrofluoric acid solution, utilize the characteristics of ablation point depth in quartz, prepare the microlens array of different focal length on quartz surface.The advantage of the method is high processing efficiency, structure morphology controllable, high processing quality, and the ratio of maximum focal length and minimum focal length of sub-lens can satisfy the demand of microlens array in different application occasions.

This application discloses an AR display module, an AR display device, and a vehicle, belonging to the field of vehicle-mounted equipment technology. The AR display module includes: a light-emitting unit, a display and imaging unit, an optical path coupling unit, and an optical waveguide unit; wherein, the optical path coupling unit includes a triangular prism and a mirror assembly; the triangular prism includes a first optical surface, a second optical surface, and a third optical surface connected end-to-end, the first optical surface facing the emitting end of the display and imaging unit, the second optical surface facing the incident end of the optical waveguide unit, and the third optical surface facing the reflecting surface of the mirror assembly; a first polarization beam-splitting film is formed on the second optical surface; a quarter-wave plate structure is integrated into the mirror assembly. By using the triangular prism and the mirror assembly to filter the polarization state and fold the optical path of the image light, the image light can be efficiently coupled into the waveguide at an angle that meets the requirements of optical waveguide transmission, while improving the system's light utilization and integration.

The application provides a backside incidence and top reflection integrated fiber-waveguide coupler, which comprises a substrate, an SOI substrate, a linearly variable grating device, a reflection cavity structure, a lens focusing fiber and a fiber fixing assembly, wherein the SOI substrate is arranged on the top surface of the substrate, the linearly variable grating device is arranged on the SOI substrate, the reflection cavity structure is arranged above the grating waveguide in the linearly variable grating device and is used for reflecting the uncoupled light back to the grating area to enhance the coupling efficiency, and the lens focusing fiber and the fiber fixing assembly are arranged on the back surface of the substrate, so that the incident light signal enters the grating waveguide part of the grating area through the back surface of the substrate at a preset inclination angle. The fiber-waveguide coupler of the application can improve the coupling efficiency, widen the coupling bandwidth, release the front surface space of the chip, and is beneficial to high-density photon integration and low-temperature environment application.

The application relates to a liquid crystal handwriting board and a handwriting device. The liquid crystal handwriting board comprises a liquid crystal panel and a driving assembly electrically connected with the liquid crystal panel. The liquid crystal panel comprises a first substrate and a second substrate arranged oppositely, and a liquid crystal layer between the first substrate and the second substrate. The first substrate comprises a plurality of block-shaped pixel electrodes, a plurality of photoelectric layers and a plurality of thin film transistors. The thin film transistor is configured to be turned on after being irradiated. The photoelectric layer is configured to generate photo-generated carriers after being irradiated. The pixel electrode is electrically connected with at least one thin film transistor, and at least one photoelectric layer is electrically connected. The thin film transistor is electrically connected with the driving assembly, and the photoelectric layer is electrically connected with the driving assembly. The second substrate comprises a planar common electrode. The photoelectric layer is further configured to charge the pixel electrode after being irradiated. The driving assembly is configured to apply a pixel voltage to the pixel electrode when the liquid crystal handwriting board is in an erasing mode.

This disclosure relates to the field of solar cell manufacturing technology, and discloses a method for fabricating a solar cell and the solar cell itself. The fabrication method includes: providing a substrate layer with a first textured surface; forming an anti-reflection passivation layer on the surface of the substrate layer, the anti-reflection passivation layer conformally covering the first textured surface; laser-treating the anti-reflection passivation layer to form a second textured surface, the second textured surface including multiple micro-recesses; and forming a repair passivation layer on the laser-treated surface of the anti-reflection passivation layer to repair laser damage introduced by the laser treatment, the repair passivation layer conformally covering the second textured surface. This disclosure can ensure the passivation effect of the cell while improving the light-trapping effect of the cell surface.

The utility model discloses a double-sided packaged low-glare photovoltaic module, which comprises a substrate (1), and a current-conducting plate (2) and anti-glare glass (13) are sequentially arranged on the front surface of the substrate (1); grooves (3) which are uniformly distributed are formed in the front surface of the current-conducting plate (2), crystalline silicon battery pieces (4) are arranged in the grooves (3), and the crystalline silicon battery pieces (4) are electrically connected through the current-conducting plate (2); the side edge of the groove (3) protrudes out of the front face of the crystalline silicon battery piece (4), in the side edge of the groove (3) of the protruding part, the front face of the left side edge and the front face of the right side edge are each provided with a first light guide inclined face (5) inclining upwards, and the inner groove face of the upper side edge is provided with a second light guide inclined face (14) facing the front face of the crystalline silicon battery piece (4). According to the utility model, the reflection is reduced by hiding the electric connection parts of the crystalline silicon cells, and the light in the gaps of the crystalline silicon cells is reflected and utilized by utilizing the light guide inclined planes, so that the practicability is good.

The invention provides a light conversion coating material, a solar cell and a photovoltaic module, and the light conversion coating material comprises the following components in percentage by mass: 1.5%-6% of a light conversion material and 75%-85% of a solvent, the general chemical formula of the light conversion material is NaY (1-x) Mx (WO4) 2, M comprises a rare earth element, and x is 0.05-0.9; the solvent comprises a polar organic solvent; the light conversion coating material is in a transparent state. The light conversion material can absorb part of invisible light and emit visible light, the spectral absorption range of the solar cell with the light conversion coating material is widened, and the photoelectric conversion efficiency of the solar cell is improved. Moreover, the light conversion coating material is in a transparent state, when the light conversion coating material is coated on the light receiving surface of the solar cell to prepare a coating, the light receiving surface of the solar cell cannot be shielded, and the photoelectric conversion efficiency of the solar cell is further improved.

The utility model relates to the technical field of PCB (printed circuit board) mounting structures and plant lamps, in particular to a lampshade for mounting a PCB and a lamp panel type plant lamp free of screw mounting. A lampshade for mounting a PCB (printed circuit board) comprises a body, hooking parts are arranged on two sides of the body respectively, and pressing legs used for abutting against the PCB are further arranged on two sides of the body respectively. According to the lampshade structure for installing the PCB, the PCB lamp panel can be rapidly and firmly buckled and installed on the heat dissipation piece without any screws, smooth attachment and efficient heat dissipation of the lamp panel and the heat dissipation piece are guaranteed, the lens can be integrated in the lampshade body so that light path refraction or light condensation can be achieved, meanwhile, the structure is simplified, cost is reduced, and later maintenance is facilitated.

This utility model belongs to the field of LED display technology and discloses an outdoor LED grid display screen, including multiple LED light source emitters arranged in a grid array. Each LED light source emitter includes an emitter body and a light source emitting head. One side of the emitter body is a mounting surface and is mounted on a mounting frame. Multiple light source emitting heads are correspondingly embedded on the end face of the emitter body away from the mounting surface. The light emitted by the light source emitting heads is emitted horizontally in a wide-angle manner. Each light source emitter is equipped with a reflector located above the light source emitting head. One end face of the reflector is an inclined mirror surface, with its lower end abutting against the end face of the emitter body away from the mounting surface and its upper end away from this end face, so as to reflect part of the light emitted upwardly by the light source emitting head in a horizontal direction. This grid display screen can reduce the upward tilt of light and reflect it in a horizontal direction, thereby improving the brightness of the light and the clarity of the display screen.

The utility model discloses an LED packaging device, and the device comprises a pedestal which is provided with a die bonding region; the light-emitting chip is fixedly arranged in the die bonding area; the reflecting layer is arranged on the base, and the height of the reflecting layer is smaller than that of the light-emitting chip; a preset gap is formed between the reflecting layer and the light-emitting chip, and the size of the preset gap is gradually increased in the direction away from the die bonding area; the light-transmitting layer surrounds the light-emitting chip and is arranged in the preset gap in a filling manner; and the packaging adhesive layer is arranged above the base and covers the light-emitting chip, the reflecting layer and the light-transmitting layer. The height of the reflecting layer is lower than that of the light-emitting chip, and a gap is formed between the reflecting layer and the side surface of the light-emitting chip, so that emergent light at the side part of the light-emitting chip can pass through the reflecting layer to be directly emitted and can also be projected to the reflecting layer to be reflected outwards through the reflecting layer, and the emergent light utilization rate of the light-emitting chip is greatly improved; therefore, the luminance of the LED packaging device is effectively improved.

This application relates to a display panel, a backplane, and a display device. The display panel includes: a packaging structure and a driving backplane; the packaging structure includes: a first substrate, the first substrate including a first side and an opposing second side; a light-emitting unit disposed on the first side of the first substrate; a contact structure formed on the second side of the first substrate; the contact structure includes a plurality of concentrically arranged annular pins, the plurality of annular pins being connected to a plurality of pins of the light-emitting unit through a plurality of conductive vias in the first substrate; the driving backplane includes: a second substrate, one side of the second substrate having a plurality of first limiting portions; the second substrate having a first through hole in the axial direction of the first limiting portions; and first pad structures disposed within the plurality of first limiting portions and formed on the side of the second substrate near the first limiting portions. Using this display panel can reduce the difficulty of mass transfer of light-emitting chips.

The utility model belongs to the field of photovoltaic technology, and provides a photovoltaic assembly and a street lamp. Wherein the photovoltaic assembly comprises supporting rods, photovoltaic panels, baffles and end covers, the supporting rods are vertically arranged at intervals, and first sliding grooves matched with each other are formed in the adjacent supporting rods; the photovoltaic panels are arranged between the adjacent supporting rods, are inserted into the first sliding grooves, and are arranged on the light facing surfaces of the photovoltaic modules; the baffle plates are arranged between the adjacent supporting rods, are inserted into the first sliding grooves, and are arranged on the backlight surface of the photovoltaic module; the end covers are arranged at the two ends of the supporting rod and matched with the supporting rod, and through holes are formed in the end covers. According to the photovoltaic assembly provided by the utility model, through cooperation of the supporting rods and the end covers, the photovoltaic panels are installed in a slot mode, and later maintenance can be facilitated; the light utilization rate of the photovoltaic module can be improved and the cost can be reduced by only arranging the photovoltaic panel at the light-facing position of the photovoltaic module; the end cover is provided with the through hole, and the photovoltaic module is sleeved on the rod body based on the through hole, so that the flexibility of combined installation is improved.

The invention discloses an oral cavity cleaning part and oral cavity cleaning equipment, a plurality of cleaning parts are arranged on a first surface of a bearing part and distributed at intervals, a light source assembly is arranged on the side, back to the first surface, of the bearing part in the first direction, and the light source assembly comprises a plurality of light-emitting parts. Wherein the part, located between every two adjacent cleaning parts, of the bearing part has light transmission performance, all the light-emitting parts are arranged corresponding to the gap between every two adjacent cleaning parts, the distance between every two adjacent cleaning parts is L in the direction perpendicular to the first direction, L is smaller than or equal to 4 mm, the cleaning parts are relatively densely distributed, and in the tooth brushing process, the cleaning parts are arranged in the cleaning direction. The cleaning foam is easily adsorbed and stays between the adjacent cleaning parts and in the brush wire gaps in the cleaning parts, and the light rays emitted by the light-emitting part can directly act on functional components in the cleaning foam, so that the contact efficiency of the light rays and the cleaning foam is improved, and the whitening effect is enhanced.

The utility model provides a kind of adjustable grape planting frame, belong to grape planting equipment technical field, including vertical insertion ground support frame, further include, main rod, the main rod fixed mounting is at the top of support frame;Cling frame, the cling frame installation is in the middle section of main rod;Extension frame, the extension frame installation is at the top of main rod;Rain shield, the rain shield installation is above extension frame;Receiving type hollow protection part, the receiving type hollow protection part evenly installs at the outer lateral wall of rain shield.The utility model is through integrated collapsible hollow protection net, hollow rod linkage pesticide spraying system, stratified adaptive support structure and transparent rain shield, realize bird convenient, spray precision, support dynamic, rain shield efficiency, effectively reduce artificial cost and fruit loss, while optimizing grape growth environment, give consideration to quality improvement and management convenience, adapt grape whole cycle planting demand.

The utility model discloses a Si packaging substrate with a light reflection structure and a light absorption structure, comprising a silicon-based substrate, the end face of which is provided with a plurality of grooves in an array manner, and the longitudinal section of each groove is V-shaped; the LED chip is positioned on the bottom surface of the groove through conductive solder, the light-emitting surface of the LED chip faces outwards, and the light conversion layer covers the light-emitting surface; the reflecting layer is arranged on the wedge-shaped side face of the groove and extends to the end face of the silicon-based substrate, and a passivation layer is arranged on the surface of the reflecting layer and / or between the surface of the reflecting layer and the end face of the silicon-based substrate; and the light absorption enclosing wall is arranged on the passivation layer on the outer side of the top of the groove and is of a continuous strip-shaped structure. The array micro light source can solve the problems of poor light utilization rate, poor light collimation performance and poor light crosstalk prevention performance when the existing array micro light source is used.

The invention relates to a solar cell, a preparation method thereof and a photovoltaic module. The solar cell comprises a substrate, a first doped conductive layer and a first grid line, the first doped conductive layer and the first grid line are sequentially arranged on the backlight face of the substrate, the first doped conductive layer comprises a first area in the middle and a second area outside the first area, and the first area comprises an edge area close to the second area and a middle area away from the second area. The second area, the edge area and the middle area are arranged in the first direction, the middle area comprises a first middle sub-area and a second middle sub-area, the first middle sub-area is configured to be an area corresponding to the first grid line in position, the two sub-areas are alternately arranged in the second direction, and the first direction intersects with the second direction; the edge region is provided with a convex microstructure, and the roughness Ra1 of the edge region, the roughness Ra2 of the second middle sub-region and the roughness Ra3 of the second region meet Ra1gt; ra1, Ra2, Ra1gt; and Ra3. The solar cell can improve the power generation efficiency of the backlight surface and improve the double-sided rate.

The table type water purifying and drinking machine comprises a machine body and a pure water kettle installed on the machine body, the machine body is provided with a protruding installation base and a shell covering the installation base, a kettle containing space used for containing the pure water kettle is formed below the installation base, and the machine body is provided with a sterilization module. The sterilization module is arranged in a space defined by the mounting base and the shell, a light transmitting part is arranged at the top of the pure water kettle, the sterilization module can emit ultraviolet light, and the ultraviolet light irradiates the interior of the pure water kettle through the light transmitting part. The light-transmitting part at the top of the pure water kettle enables ultraviolet light emitted by the sterilization module to irradiate the interior of the pure water kettle, sterilization and disinfection are conducted on the interior of the pure water kettle, sanitation and safety of drinking water are guaranteed, use safety and health of the table type water purifying and drinking machine are improved, physical isolation between the sterilization module and a water using area is achieved, and the water purifying and drinking efficiency is improved. And the module is effectively prevented from being affected with damp and damaged while the ultraviolet sterilization effect is ensured.

The utility model provides a photovoltaic packaging plate and a photovoltaic assembly, the photovoltaic packaging plate comprises a light-transmitting plate and a light conversion coating, and the light-transmitting plate comprises a first surface and a second surface which are oppositely arranged; the light conversion coating is located on the first surface and / or the second surface, and the light conversion coating is used for converting ultraviolet light and / or infrared light into visible light. According to the utility model, the light conversion coating is additionally arranged on the photovoltaic packaging plate, so that ultraviolet light and / or infrared light can be converted into visible light, the light utilization rate of a battery piece is improved, and the photoelectric conversion efficiency and the output power of the photovoltaic assembly are effectively improved.

The utility model belongs to petroleum logging instrument technical field discloses a kind of lanthanum bromide crystal detectors special for element logging instrument. Including lanthanum bromide crystal;Iron fluorine Long protective sleeve, it is cut along the center axis and is equipped with conical opening, to tightly wrap lanthanum bromide crystal and leave out light receiving surface in the side towards photomultiplier;Crystal shell assembly, for accommodating and protecting iron fluorine Long protective sleeve and lanthanum bromide crystal;Multiplying tube shell, with crystal shell assembly can be detached connection;Photomultiplier, located in multiplying tube shell and with multiplying tube shell gap cooperation, and by elastic component, so that photomultiplier and lanthanum bromide crystal are always tightly contacted;Probe end cover, one end with multiplying tube shell detachable connection, the other end with electronic skeleton detachable connection;And electronic skeleton, for fixed circuit board, circuit board and photomultiplier electric connection. The utility model's lanthanum bromide crystal detector special for element logging instrument structure is compact, anti-seismic, easy to maintain and light collection efficiency is high.

The utility model aims at providing a kind of micro-nano lens structure and PHUD backlight module, it includes lens block, the surface of lens block is provided with several integrated structure's convex part, the structure of convex part is at least one of cylindrical surface, V face, taper, ellipsoidal surface, irregular free curved surface, and each convex part is equidistant or non-equidistant distribution.Such, the surface of lens block forms several convex parts of integrated structure, compared with the structure of the existing multilayer film material stacking, can reduce light energy loss, improve light utilization, and reduce power consumption, reduce heat loss, further, it can also simplify assembly step, reduce manufacturing cost.

The invention relates to the technical field of gas treatment, and discloses a deep desulfurization system for preparing methanol from coke oven gas and a use method.The deep desulfurization system comprises a photoelectrocatalysis desulfurization module, a nano molecular sieve adsorption module and a regeneration module which are sequentially arranged in the movement direction of the coke oven gas; the photoelectrocatalytic desulfurization module is composed of a reaction tower, a photoanode, a photocathode and an electrolyte, the material of the photoanode is a TiO2-ZrO2 heterojunction nanotube array, the material of the photocathode is a NiFe-LDH / carbon felt composite electrode, and the electrolyte adopts an ionic liquid [BMIM] [BF4] coupled Fe < 3 + > / EDTA redox medium; through integration of a photoelectric coupling technology and a deep desulfurization system, efficient desulfurization, pollutant removal, prolonging of the service life of equipment, prolonging of the service life of a methanol synthesis catalyst and maximization of environmental protection benefits in the process of preparing methanol from coke oven gas are realized; sulfide oxidation / hydrogenation reaction kinetics is improved, and energy consumption is reduced.

This application provides an image sensor, its fabrication method, and an electronic device. The image sensor includes an array of metasurface structures and an array of photoelectric conversion units. The array of metasurface structures is located above the array of photoelectric conversion units. Each photoelectric conversion unit includes multiple photoelectric conversion elements, each corresponding to a frequency band in the spectrum. The metasurface structure includes a first substrate and a microstructure located above the first substrate. The microstructure and the first substrate are used to transmit the optical signal of each frequency band to the photoelectric conversion element corresponding to each frequency band. The microstructure is a rotationally symmetric structure with a rotation angle less than or equal to 90 degrees. The technical solution of this application can improve the light transmittance of each spectral channel, thereby improving the overall light utilization rate of the image sensor.