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66results about How to "Improve light energy utilization" patented technology

AR lens module and optical display device

The embodiment of the invention provides an AR lens module and optical display equipment. The AR lens module is used for a full-color AR light machine, and comprises a lens group, an X-cube color combination prism and a display chip which are arranged along the same optical axis, wherein the lens group is composed of a first lens, a second lens, a third lens and a fourth lens which are arranged in sequence, and the fourth lens and the X-cube color combination prism are arranged adjacently; the focal power of the first lens and the third lens is positive, and the focal power of the second lens and the fourth lens is negative; the first lens, the second lens, the third lens and the fourth lens are all aspherical mirrors. The CRA of the AR lens module is 13 degrees, and the CRA is the included angle between the chief light of the edge field of view and the optical axis of the display chip.
Owner:GOERTEK OPTICAL TECH CO LTD

Device-level optical integrated light source

The invention relates to the technical field of semiconductor photoelectricity, and discloses a device-level optical integrated light source which comprises a support, a light-emitting chip, a lens and a light-transmitting glue layer. The light-emitting chip is arranged on the support, and the lens is arranged above the support and covers the light-emitting chip. The lens includes a lower optical interface and an upper optical interface. And the light-transmitting glue layer is filled between the bracket and the lens and at least covers the light-emitting surface of the light-emitting chip. And a reflecting surface which forms a certain included angle with the light-emitting surface of the light-emitting chip is arranged on the peripheral side surface of the lower optical interface. And the reflecting surface is an intersection interface of the lens and the light-transmitting glue layer or / and an intersection interface of the lens and air. The device-level optical integrated light source is high in light energy utilization rate, concentrated in light spot energy and good in edge light cut-off effect; compared with a conventional one-time packaging light source, the light energy utilization rate is improved by at least 50%. Meanwhile, the overall structure is simple and reasonable, the size is small, integrated design of a device-level optical integrated light source is easy, and manufacturing is easy.
Owner:SHENZHEN OPTISEEN TECHNOLOGY CO LTD

Multi-aperture beam coherent synthesis device and method for off-axis parabolic reflector

The present invention discloses a multi-aperture beam coherent synthesis device and method of an off-axis parabolic reflector, and relates to the technical field of beam coherent synthesis. The present invention carries out a simplified optical path design: the distributed design reduces the complexity of the optical path design, simplifies the optical path of the system, and improves the overall efficiency of the system. The design of the parabolic shape enables the array beam to complete focusing while sampling, further simplifying the complexity of the sampling optical path; low beam power loss: the distributed off-axis parabolic reflector effectively reduces the sampling power loss of the beam, reduces the optical power loss, and has a high light energy utilization rate for the transmitted beam. Different from the traditional structure of a beam splitter plus a focusing lens, which requires all beams to be split and focused, the present invention uses a reflector that only needs to reflect a small part of the beam to complete the sampling and focusing of the array beam, and the overall reflector area is small and the processing price is cheap.
Owner:CHONGQING UNIV OF TECH

Lens and LED device adopting same

The utility model relates to the technical field of semiconductor luminescence, and discloses a lens and an LED device using the same, and the lens comprises an optical function area and a bearing part. The optical functional region includes a light guide structure and a third optical interface. The light guide structure comprises a first optical interface on the bottom surface and used for inputting light and a second optical interface on the side surface and used for reflecting the light. A cavity structure is arranged between the second optical interface and the bearing part. An opening is formed in one side of the cavity structure. The third optical interface is a free-form surface with the center area recessed inwards, and the curvature of the third optical interface is gradually reduced from the center to the edge. By arranging the light guide structure, the height of the light-emitting surface is increased, the height of the lens is further increased, the problem of light interference is solved, and the light energy utilization rate is improved. And the surface type arrangement of the third optical interface realizes large-angle light emission and uniform light emission of the LED device. The overall structure is simple, production cost is low, and heat dissipation is good.
Owner:SHENZHEN OPTISEEN TECHNOLOGY CO LTD

Photovoltaic synergistic film with double-sided matte coatings

The utility model relates to the technical field of H01L31 / 00, in particular to a photovoltaic synergistic film with a double-sided matte coating. The matte adhesive tape sequentially comprises an adhesive layer, a second matte coating, a base material layer and a first matte coating from bottom to top. The utility model provides the photovoltaic synergistic film with the double-sided matte coatings, by optimizing the structural design of the film layer, the problems that the conventional photovoltaic synergistic film is poor in weather resistance and easy to yellow are effectively solved, and the photovoltaic synergistic film can be applied to a double-glass assembly, so that the output power is improved again, and the photovoltaic synergistic film has very high popularization and application values.
Owner:CHENGUANG (CHANGZHOU) NEW MATERIAL TECH CO LTD +1

Method for preparing vitamin D2 with high conversion rate and high selectivity

The invention discloses a method for preparing vitamin D2 with high conversion rate and high selectivity, and belongs to the technical field of organic photosynthesis reaction.The method comprises the steps that an ergosterol solution passes through a first-stage illumination reactor, the illumination wavelength is controlled to be 254 nm, the illumination time is 20-25 min, and an ergosterol ring-opening product reaction solution is obtained through a first photoreaction; the ergosterol ring-opening product reaction liquid passes through a second-stage illumination reactor, the illumination wavelength is controlled to be 365-415 nm, the illumination time is 30-35 min, and a VD2 precursor reaction liquid is obtained through a second photoreaction; the VD2 precursor reaction liquid is heated and converted into VD2 converted oil; and carrying out esterification, crystallization, hydrolysis and recrystallization on the VD2 conversion oil to obtain a VD2 finished product. According to the method, the conversion rate of ergosterol and the selectivity of a target product can be remarkably improved, the purity of a VD2 finished product is improved, the impurity content is reduced, and the VD2 impurity limit requirement specified by European Pharmacopoeia is met.
Owner:CHENGDU YAZHONG BIOPHARML

Catalyst for preparing methanol through photocatalytic reduction of CO2 as well as preparation method and application of catalyst

PendingCN121755245AConducive to multiple reflectionsEasy to scatterPhysical/chemical process catalystsOrganic compound preparationPtru catalystActive site
The invention relates to the technical field of photocatalytic processes, in particular to a catalyst for preparing methanol through photocatalytic reduction of CO2 as well as a preparation method and application of the catalyst. The catalyst comprises a composite carrier and active sites dispersed on the surface or in pores of the composite carrier, the composite carrier is of a heterojunction composite structure formed by a hollow TiO2 sphere and MCN, the hollow TiO2 sphere comprises a shell layer and a spherical cavity structure located in the shell layer, the shell layer is formed by TiO2 nanoparticles, and the MCN has a mesoporous pore structure; a II-type or Z-type heterojunction interface is formed between the hollow TiO2 spheres and the MCN through physical contact and chemical action; the active sites comprise copper nano species, sulfur vacancy defects and amino groups; the copper nano species are copper nano particles or clusters, and the valence state of copper is 0 and / or + 1 valence amino is grafted on the surface of the composite carrier through an organic long chain. The catalyst provided by the invention can greatly improve the yield and selectivity of methanol prepared by photocatalytic reduction of carbon dioxide.
Owner:XINGTAI UNIV

Polarizing plate, liquid crystal panel, and display device

ActiveCN224366221UImprove spotlight effectImprove aggregation performancePrismsPolarising elements
The application discloses a polarizer, a liquid crystal panel and a display device, relates to the technical field of display, and discloses a polarizer, which comprises a first protective layer, a first triangular prism array structure, a polarization layer, a second triangular prism array structure and a second protective layer which are sequentially stacked. The application effectively improves the light condensation capacity of the polarizer.
Owner:SHENZHEN SKYWORTH DISPLAY TECH CO LTD

A storage and interpretation device for electrophoretic gels

ActiveCN224739988Uprevent looseningimprove acquisition
The utility model discloses a kind of for electrophoresis film's storage and interpretation device, it is related to electrophoresis film device technical field, including hinged rotation connection's first frame body and second frame body, the first frame body and second frame body are equipped with placing cavity, the placing cavity is equipped with the light plate group that can emit light, the first frame body and second frame body are rotatably connected with cover plate, the rotating direction of the cover plate is perpendicular to the hinged rotating direction of the first frame body and second frame body, the light plate group is connected battery and controller.The utility model is to provide a kind of for electrophoresis film's storage and interpretation device, it is convenient to carry, and good protection performance, reduce the surface abrasion of light plate group and internal element damage risk, prolong service life, guarantee its optical performance stable.
Owner:HANGZHOU D A GENETIC ENG

A liquid crystal display unit with zero visual seam

PendingCN122172481Areduce thicknessEliminate visual fragmentationNon-linear opticsLiquid-crystal displayVisual screening
The application discloses a kind of zero visual seam's liquid crystal display unit, it is related to display technical field.The display unit includes backlight module, liquid crystal panel assembly and optical compensation composite cover plate.Wherein, the edge of backlight module is equipped with the chamfer support surface that is inwards shrinkage, the non-display area of liquid crystal panel assembly is bent or adhered along the chamfer support surface, so that the physical height of non-display area is lower than the plane where effective display area is located.Optical compensation composite cover plate is adhered to the surface of liquid crystal panel assembly and extends to cover above non-display area, and the cover plate sequentially includes light remodeling layer, waveguide light uniform layer and wide-angle scattering layer from bottom to top.The application is cooperated by mechanical structure and micro-nano optics, realizes the visual screening of physical seam under the premise of not increasing electronic control complexity, solves the problems of large assembly thickness, black seam ghost and edge image distortion in traditional seam elimination scheme.
Owner:ZHEJIANG VISION ELECTRONIC TECH CO LTD

Temperature and humidity monitoring equipment for low-temperature freezing injury of fruit trees

The utility model discloses temperature and humidity monitoring equipment for low-temperature freezing injury of fruit trees, which relates to the field of fruit tree monitoring equipment and comprises a vertical rod, a fixing component, a monitoring component, a solar component and an electric control box, the vertical rod is arranged on the ground surface through the fixing component, and the monitoring component, the solar component and the electric control box are arranged on the vertical rod. The solar assembly comprises a clamping block set, a supporting rod, an auxiliary supporting rod, an I-shaped support and a solar panel, the solar panel is arranged on the I-shaped support, the clamping block set is arranged on the vertical rod, one end of the supporting rod is fixedly connected with the clamping block set, and the other end of the supporting rod is fixedly connected with the I-shaped support through a bolt. The auxiliary supporting rod is arranged above the supporting rod and hinged to the I-shaped support, a sliding block is hinged to the other end of the auxiliary supporting rod, the supporting rod is provided with a sliding groove corresponding to the sliding block, the sliding block is arranged in the sliding groove in a sliding mode, and a sliding stop bolt is arranged on the sliding block. The device is simple in structure, and can improve the solar energy utilization rate of the fruit tree temperature and humidity monitoring device.
Owner:LANDSCAPE RES INST OF XINJIANG ACAD OF FORESTRY SCI

Three-axial dual-channel fisheye lens

ActiveCN117991478Bincrease profitImprove pixel utilization
The application provides a three-optical-axis double-channel fisheye lens, including an optical technical feature scheme and an optical structural feature scheme of the three-optical-axis double-channel fisheye lens, and through the optical structure of the three-optical-axis double-channel fisheye lens, a mapping relationship that one object field corresponds to two image fields can be realized. The three-optical-axis fisheye lens is applied in a single-position dome projection system, can efficiently utilize pixels, and improves light energy utilization.
Owner:QINHUANGDAO AUDIO-VISUAL MASCH RES INST CO LTD

LED point light source shell capable of expanding irradiation range

The utility model discloses a light-emitting diode (LED) point light source shell capable of expanding irradiation range, which comprises a bottom cover, a shell body and a lampshade, the bottom cover is covered on the lower end portion of the shell body, the lampshade is detachably covered on the upper end portion of a containing groove, a round convex lens is arranged on the upper end portion of the lampshade in a protruding mode, and a plurality of prism refraction units are arranged on the inner circumferential wall of the round convex lens in a protruding mode. The left side wall and the right side wall of the lampshade are each provided with a first limiting groove in a concave mode, the lower end of each first limiting groove is provided with a first elastic buckle arm in a protruding mode, the upper end walls of the two sides of the shell are each provided with a through groove in a concave mode, the inner side walls of the through grooves are each provided with a first buckle protrusion in a protruding mode, and the first elastic arms are detachably embedded in the through grooves respectively. The first limiting plates are detachably embedded in the first limiting grooves respectively, and the first elastic buckle arms are detachably and fixedly connected with the first buckle protrusions respectively. According to the technical scheme, light rays can be irradiated in a scattered mode, the light ray irradiation range is enlarged, and the LED lamp is convenient and fast to mount and dismount and high in practicability.
Owner:深圳市富利丰光电科技有限公司

Triangular fillet-based photoconductive switch device and manufacturing and packaging method thereof

The invention discloses a photoconductive switching device based on a triangular fillet shape and a manufacturing and packaging method, and mainly solves the problem of low light energy utilization rate of the photoconductive switching device in the prior art. The invention relates to a semi-insulating LED (light emitting diode), which comprises a semi-insulating substrate (1), a reflecting mirror (2), a metal electrode (3), an external connection electrode (4) and a packaging material (5), the semi-insulating substrate adopts a triangular fillet shape, and an included angle alpha is formed between the side surface of the semi-insulating substrate and the reflecting mirror; the length of the reflecting mirror is only half of the bottom length of the triangular substrate, the reflecting mirror is positioned on the left half surface or the right half surface of the triangular substrate, and the other half surface serves as a light incident surface; the triangular substrate carries out total reflection on the entered trigger light, and the light after total reflection is reflected back to the substrate through the reflector for secondary total reflection; the metal electrode is located on the semi-insulating substrate and is connected with the external connection electrode, and the packaging material is poured outside the whole device. The device improves the utilization rate of light energy, is simple in structure, and can be used for an ultra-wideband electromagnetic pulse generator and a solid-state compact pulse power supply.
Owner:XIDIAN UNIV

Optical device, imaging device, zoom driving method and lens center moving method

The present invention relates to the field of optical device technology, and solves the problem that the impedance value of the impedance film in the existing low-voltage driven variable focus lens technology is unstable, resulting in the inability of the liquid crystal lens to accurately adjust the focal length, and provides an optical device, an imaging device, a zoom driving method, and a lens center moving method. The lens includes a first electrode layer, a first alignment layer, a liquid crystal layer, a second alignment layer, and a second electrode layer arranged in sequence along the light transmission direction. The first electrode layer includes a first electrode, a second electrode, and a first impedance film arranged between the first electrode and the second electrode. The first electrode and the second electrode are respectively connected to opposite ends of the first impedance film; the second electrode layer structure is the same as the first electrode layer. The shape of the light-through hole formed by each electrode in the light transmission direction is a parallelogram. The present invention not only solves the problem that the impedance value of the existing liquid crystal lens impedance film is unstable, resulting in the inability to accurately adjust the focal length, but also realizes new functions such as lens center movement, cylindrical lens and prism.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Optical waveguide device and preparation method thereof, AR near-eye display device and application thereof

The present invention relates to an optical waveguide device and a preparation method thereof, an AR near-eye display device and applications thereof, wherein a super-surface structure layer is stacked on the outer surface of the coupling end of the optical waveguide device, and the light emitted by the light source device is directly or indirectly coupled into the optical waveguide through the super-surface structure layer for propagation. The super-surface structure layer is configured to phase-modulate the first light beam emitted to the super-surface structure layer, so that the second light beam emitted from the super-surface structure layer has collimation and directionality. The light entering the optical waveguide has collimation and directionality to improve the coupling efficiency of light, thereby improving the utilization rate of light energy and display brightness. The optical waveguide device plus the light source device of the present application constitute an AR near-eye display device, which can be applied to naked-eye 3D light field display. The super-surface structure layer not only realizes the collimation and directionality of the light emitted by the display panel, improves the light efficiency and brightness, but also facilitates the realization of the light-weight and thin display optical machine.
Owner:SOUTHERN UNIVERSITY OF SCIENCE AND TECHNOLOGY

An LCOS optical system and AR device

This application discloses an LCOS optical system and an AR device, relating to the field of augmented reality technology. The LCOS optical system includes an illumination module and an imaging module disposed on the light-emitting side of the illumination module. The illumination module includes a light source, a first collimation module, and a light-uniforming element. The imaging module includes a beam splitter, an LCOS device, and a projection lens, with the first collimation module, the light-uniforming element, and the beam splitter arranged sequentially along the light-emitting direction of the light source. The light beam emitted from the light source is collimated by the first collimation module and uniformly irradiated by the light-uniforming element before entering the beam splitter. After passing through the beam splitter, it enters the LCOS device, where the LCOS device modulates the beam into image light carrying image information. This image light is then transmitted to the projection lens through the beam splitter to project an image. This LCOS optical system and AR device can reduce the illumination space, contributing to the miniaturization of the LCOS optical system and AR device.
Owner:ZHEJIANG CRYSTAL OPTECH

Agricultural light complementary meteorological monitoring and application system and control method thereof

The embodiment of the invention provides an agriculture and light complementation meteorological monitoring and application system and a control method thereof, the outer edge of a photovoltaic panel is provided with a drainage pipeline, the drainage pipeline is provided with a drainage hole, the drainage hole is connected with a water inlet hole through a connecting water pipe, and a water storage tank stores an external water source flowing in from the water inlet hole; the centrifugal pump pumps an external water source from the lowest position of the water storage tank to the highest position of the water storage tank through crossed water pipes; when water flows out of the water storage tank, the centrifugal pump pumps an external water source from the lowest position of the water storage tank to the highest position of the water storage tank through the crossed water pipes, and the external water source flows to the sprinkling irrigation pipe network through the water outlet hole in the highest position; the regional meteorological monitoring module collects meteorological data; the data analysis module generates irrigation decision data and crop illumination data based on the meteorological data; the control module adjusts the inclination angle of the photovoltaic panel, controls operation of the centrifugal pump, controls opening and closing of the controllable intercepting valve, controls opening and closing of water outlet holes of the water storage tank and controls irrigation of the sprinkling irrigation pipe network. The light utilization rate is improved; and an external water source is utilized for irrigation.
Owner:THREE GORGES GROUP IND DEVELOPMENT (BEIJING) CO LTD +1

Sensor device

The utility model relates to the technical field of semiconductor luminescence, and discloses a sensor device, which comprises a substrate, an optical chip, a light-transmitting glue layer, a high-reflection glue layer and a fence part. The optical chips are arranged on the substrate, and the number of the optical chips is at least two. The light-transmitting glue layer at least covers a part of the upper surface of the optical chip. The side face of the light-transmitting glue layer is provided with a reflecting face used for reflecting edge large-angle light. And the high-reflection glue layer tightly covers the reflecting surface, or tightly covers the reflecting surface and the side surface of the optical chip, or tightly covers the reflecting surface, the side surface of the optical chip and a part of the upper surface. The enclosure part is arranged on the base plate. And the enclosure part covers the high-reflection glue layer. The side, away from the substrate, of the enclosure part extends to the position above the reflecting surface. According to the utility model, the reflecting surface and the high-reflection adhesive layer are arranged, so that edge wide-angle light can be fully utilized, the light energy utilization rate is improved, and the detection accuracy of a sensor device is further improved. Meanwhile, the high-reflection glue layer can enable the connection between the optical chip and the substrate to be firmer, and the reliability of the whole sensor device is improved.
Owner:SHENZHEN OPTISEEN TECHNOLOGY CO LTD

LED lamp chamber of microscope

The utility model discloses a light-emitting diode (LED) lamp chamber of a microscope, which comprises a lamp chamber shell, a lamp is arranged in the lamp chamber shell, the lamp adopts an LED lamp, an illumination structure capable of optimizing the illumination effect is arranged on the lamp chamber shell, and the LED lamp is combined with the illumination structure, so that the optimization of the illumination effect and the reduction of energy consumption are realized. The LED lamp chamber utilizes the optical amplification principle of a microscope to accurately control light rays emitted by the LED light source, so that the lighting effect is optimized, and the light energy utilization rate is improved. Compared with traditional lighting equipment, the LED lamp chamber has higher brightness, lower energy consumption and longer service life, and energy consumption and light pollution can be effectively reduced.
Owner:新启航半导体有限公司

Preparation method of titanium dioxide-calcium carbonate composite photocatalytic material

The invention relates to the field of semiconductor materials, in particular to a preparation method of a titanium dioxide-calcium carbonate composite photocatalytic material, which comprises the following steps: step 1, polishing and cleaning the surface of a pure titanium sample, removing oil stain and an oxide layer on the surface, and drying for later use; 2, the pure titanium sample treated in the step 1 serves as an anode of a micro-arc oxidation reaction, a stainless steel electrolytic cell serves as a cathode, electrolyte is added into the stainless steel electrolytic cell, the micro-arc oxidation reaction is conducted, and a porous titanium dioxide structure is prepared; step 3, cleaning and drying the porous titanium dioxide structure for later use; 4, the micro-arc oxidation sample treated in the step 3 is put into a mixed reaction solution of deionized water, Na2CO3 and Ca (NO3) 2 to be subjected to centrifugal oscillation for 10-20 min, cleaning and drying are conducted after the reaction is completed, and the titanium dioxide-calcium carbonate composite structure is prepared. The preparation method provided by the invention reduces waste emission and energy consumption, and better meets the requirements of environmental protection and energy conservation.
Owner:SHENZHEN HUASUAN TECH CO LTD

Ag2S / Mn0. 5Cd0. 5S composite catalyst as well as preparation method and application thereof

The invention belongs to the field of piezoelectric electro-catalysis, and particularly relates to an Ag2S / Mn0. 5Cd0. 5S composite catalyst as well as a preparation method and application thereof. Mn0. 5Cd0. 5S nanoparticles and Ag2S are prepared by a hydrothermal synthesis method, and finally, the Mn0. 5Cd0. 5S nanoparticles and Ag2S are compounded by an impregnation method to form a heterojunction, so that the Ag2S / Mn0. 5Cd0. 5S composite catalyst is prepared. The catalyst is used for reducing H2 and CO2 produced by piezoelectric electro-catalysis under the synergistic effect of sunlight irradiation and ultrasonic vibration. The synthesis method of the catalyst is simple, green, pollution-free and high in operability. The prepared catalyst has abundant active sites and an excellent catalytic effect.
Owner:CHANGZHOU UNIV

Induction device for rapid propagation of tissue culture woody flowers

The invention discloses a tissue culture woody flower rapid propagation induction device, and relates to the technical field of plant tissue culture, the tissue culture woody flower rapid propagation induction device comprises a culture cabinet and a tissue culture bottle, a bottle rotating mechanism, a humidifying mechanism, a bottle pressing mechanism and a rapping mechanism are arranged in the culture cabinet, a nutrient solution supplementing mechanism is arranged in the tissue culture bottle, and a culture chamber is arranged in the culture cabinet; an illuminating lamp is arranged in the culture chamber, the tissue culture bottle is detachably mounted in the culture chamber, the tissue culture bottle comprises a bottle body and a bottle cap, the bottle cap is in threaded connection with the bottle body, the bottle rotating mechanism comprises a turntable, a transmission shaft, a driving shaft and a driving motor, the driving shaft is mounted on an output shaft of the driving motor, and the driving shaft drives the turntable through a rotating shaft; the tissue culture device has the advantages of uniform illumination and stable nutrition supply, and solves the problem that plant growth is affected by non-uniform illumination and unstable nutrition supply of an incubator in a traditional tissue culture technology.
Owner:SOUTHWEST FORESTRY UNIVERSITY

Backlight module and display device

ActiveCN224745252UImprove light energy utilizationIncrease the amount of edge light
The application provides a backlight module and a display device, and relates to the technical field of display, which is used to at least alleviate the problem of backlight module edge darkening in the related art. The backlight module comprises a frame, a light guide plate, an optical film and a port adhesive. The frame comprises a first surface and a second surface. The light guide plate is supported on the first surface. The optical film is supported on the light guide plate. One end of the port adhesive is located on the optical film, and the other end is connected with the second surface. The port adhesive comprises a light reflection layer. The light reflection layer has an overlap with the orthographic projection of the optical film on the first surface.
Owner:GUANGZHOU CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD

MINI LED lamp panel and projector

The utility model discloses a MINI LED lamp panel and a projector. The MINI LED lamp panel comprises a substrate, a boss on the substrate, a MINI LED chip attached to the boss, a conical reflection cup and a support structure for supporting and connecting the conical reflection cup and the substrate. Wherein the conical reflection cup is provided with a first port and a second port, and the first port is smaller than the second port; the inner diameter of the conical reflection cup is gradually increased from the first port to the second port; the boss is located in the first port, so that the MINI LED chip is located in the conical reflection cup; a gap is reserved between the first port and the substrate. A gap is reserved between the first port, close to the MINI LED lamp, of the conical reflection cup and the substrate, so that the conical reflection cup is prevented from being heated to deform; the boss is arranged on the substrate, so that the MINI LED chip is located in the conical reflection cup, and the light energy utilization rate of the MINI LED chip is improved.
Owner:SHENZHEN KTC COMMERCIAL DISPLAY TECHNOLOGY CO LTD

Optical waveguide with double-sided out-coupling structure

ActiveCN224480585Uevenly distributedSolve the "dark zone effect"WaveguideMaterials science
The utility model relates to a kind of optical waveguide with double-sided coupling-out structure. Including: waveguide substrate, coupling-in unit, first coupling-out unit and second coupling-out unit, coupling-in unit and first coupling-out unit are located in the first surface of waveguide substrate, second coupling-out unit is set in the second surface of waveguide substrate opposite to first coupling-out unit, and second coupling-out unit is high-reflection-efficiency diffraction structure.Coupling-in unit is configured to couple image light into the waveguide substrate, part of the image light is diffracted by the first coupling-out unit, and the remaining light is reflected by the second coupling-out unit when it reaches the second coupling-out unit.
Owner:SVG TECH GRP CO LTD +2

Solar cell, preparation method thereof and photovoltaic module

The invention provides a solar cell and a preparation method thereof, and a photovoltaic module, and the solar cell comprises the components of a semiconductor substrate which comprises a front surface and a back surface which are oppositely arranged; a first intrinsic amorphous silicon layer, a first doping layer, a first transparent conducting layer and a first metal electrode are prepared on the front surface of the semiconductor substrate upwards, and a second intrinsic amorphous silicon layer, a second doping layer, a second transparent conducting layer and a second metal electrode are prepared on the back surface of the semiconductor substrate downwards; the first aluminum oxide layer is located between the first doping layer and the first transparent conducting layer; the first dielectric layer is positioned on the first transparent conductive layer; wherein the first metal electrode penetrates through the first dielectric layer and is connected with the first transparent conductive layer.
Owner:RISEN ENERGY CO LTD

Circulating flow cultivation device in sunlight greenhouse

The invention belongs to the technical field of cultivation, and particularly relates to a circular flow cultivation device in a sunlight greenhouse, which comprises an annular track, a traction headstock and a plurality of trailers, the plurality of trailers are connected in sequence and move on the annular track through the traction headstock, a box body is arranged on the trailers, and a partition plate is connected in the box body. The interior of the box body is sequentially divided into a cultivation box and a water collection box from top to bottom through a partition plate, a plurality of water seepage holes are formed in the partition plate, a plurality of drip irrigation mechanisms are arranged on the side wall of the cultivation box, a soil loosening mechanism is arranged in the middle of the cultivation box, and the drip irrigation mechanisms and the soil loosening mechanism are covered with substrates in the cultivation box. The soil loosening assembly loosens the matrix through the vibration assembly. The limitation that an existing cultivation device is fixed in position is broken through, crops on the cultivation device can receive light evenly, the air permeability and water permeability of a matrix are improved, good environmental conditions are created for crop root growth, and root development is promoted.
Owner:GANSU AGRI UNIV

Soybean row planting device

The application relates to a soybean row spacing planting device and belongs to the technical field of agricultural machinery. The device is used for no-tillage seeding with a row spacing of 38 cm and can complete the work once. The device comprises a land wheel, a grass separating wheel, a bionic wheel, a compacting wheel, a mouth fertilizer box, a seed box, a large fertilizer box, a front frame, a seed box mechanism, a mouth fertilizer box mechanism, a front frame and a bracket mechanism connected through a four-link mechanism, the four-link mechanism is composed of a bracket mechanism connecting plate and a crossbeam, a fertilizer applicator mechanism, a land wheel mechanism, a power wheel mechanism and a power input mechanism are installed on the front frame, and a large fertilizer box mechanism, a seeding unit mechanism, a grass separating wheel mechanism, a compacting wheel mechanism and a hydraulic adjusting mechanism are installed on the bracket mechanism. After the row spacing of the soybean is changed from 65 cm to 38 cm, the area of the ground between the rows is reduced in the early growth stage, and the light energy utilization rate of the soybean leaves is greatly improved.
Owner:NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S

Geological disaster monitoring device

The utility model discloses a geological disaster monitoring device, and relates to the technical field of geological disaster monitoring. The device comprises a solar module, a wind energy module, a lifting module, a mounting module and a control module, the solar module utilizes a solar panel, a motor, a rotating bearing and a gear to realize adjustment of vertical and horizontal angles; the wind energy module utilizes a wind driven generator, a motor and a rotating bearing to realize adjustment of a horizontal angle; the lifting module achieves lifting of the device through a T-shaped nut and a T-shaped lead screw. The installation module achieves rapid and stable installation of the device through an electric push rod, a pressing block, a short ground nail and a long ground nail. The device has the advantages of being high in energy utilization rate, not single in supply, convenient to maintain, safe, reliable, stable to install, convenient, fast and efficient.
Owner:WUHAN MOMING TECH CO LTD