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118results about How to "Reduce shading" patented technology

Automatic darkening filter with offset polarizers

A protective automatic darkening filter construction 10 includes two low twist liquid crystal cells 26, 30 interspersed between a series of offset polarizers 24, 28, 32. The resulting construction provides improved homogeneity in the dark state as viewed by the user over a large viewing angle. By reducing variations in shade, visibility through the filter may be improved.
Owner:3M INNOVATIVE PROPERTIES CO

Method and device for treating organic waste gas by combining photocatalysis and microorganisms and application thereof

The invention provides a method for treating organic waste gas by combining photocatalysis and microorganisms. Simultaneously, the invention also discloses a device of the method for treating the organic waste gas by combining the photocatalysis and the microorganisms and application thereof. The method for treating the organic waste gas by combining the photocatalysis and the microorganisms comprises the steps of physical dust removal, photocatalyst catalytic oxidation, microorganism purification, and the like, and can effectively eliminate total suspended particulate matters in the organic waste gas and volatile organic compounds in waste gas. The device of the method for treating the organic waste gas by combining the photocatalysis and the microorganisms is applied to treating industrial organic waste gas, and is particularly applicable to treating the organic waste gas in various industrial organic waste gas emission workshops.
Owner:深圳市中拓天达环保科技有限公司

Projection type video display

InactiveUS7207679B2Reduce shadingAmount of emit light be not reduceTelevision system detailsProjectorsVIT signalsLight source
A video signal processing circuit inputs a video signal to perform processing such as frequency conversion as well as processing for generating data representing the APL (Average Picture Level) of a frame video for each frame period. A microcomputer functions as a dimmer arithmetic block to perform processing for generating dimmer data upon receipt of APL data, and functions as a lamp driver control block to perform processing for sending out a dimmer command to a lamp driver. The lamp driver receives the dimmer command, to control an amount of light emitted from a light source (a lamp).
Owner:SANYO ELECTRIC CO LTD

Integrated displays using nanowire transistors

The present invention is directed to a display using nanowire transistors. In particular, a liquid crystal display using nanowire pixel transistors, nanowire row transistors, nanowire column transistors and nanowire edge electronics is described. A nanowire pixel transistor is used to control the voltage applied across a pixel containing liquid crystals. A pair of nanowire row transistors is used to turn nanowire pixel transistors that are located along a row trace connected to the pair of nanowire row transistors on and off. Nanowire column transistors are used to apply a voltage across nanowire pixel transistors that are located along a column trace connected to a nanowire column transistor. Displays including organic light emitting diodes (OLED) displays, nanotube field effect displays, plasma displays, micromirror displays, micoelectromechanical (MEMs) displays, electrochromic displays and electrophoretic displays using nanowire transistors are also provided.
Owner:ONED MATERIAL INC

Inversion high voltage alternating/direct current light-emitting diode and manufacture method thereof

The invention provides an inversion high voltage alternating / direct current light-emitting diode and a manufacture method thereof. The light-emitting diode comprises a routing electrode, a sapphire substrate, an N-GaN layer, a light-emitting layer, a P-gAn layer, a current diffusion layer, an insulating layer, a metal reflecting layer, an insulation flat layer, a bonding metal medium layer and a support substrate from top to bottom. Mat surfaces formed by plasma dry etching are arranged on two sides of the sapphire substrate, a through hole formed by laser drilling is arranged in the sapphire substrate, and metal is filled in the through hole to enable an electrode on the N-GaN layer and the routing electrode to be connected. The light-emitting diode enables a wafer to be inversely bonded on a substrate of a radiating support, a positive electrode and a negative electrode are respectively located on the upper side and the lower side of a chip, each light-emitting unit on the chip forms an inversed trapezoidal structure due to inversion, each light-emitting unit is wrapped by the reflecting layer to form a structure with an upward opening and effects of reflecting cups, simultaneously shielding of electrodes on light-emitting directions is reduced, only the negative electrode is arranged above the chip, and layout design of the light-emitting units of the high voltage light-emitting diode can be convenient.
Owner:钟伟荣

Liquid crystal display device

A liquid crystal display device is provided. The liquid crystal display device includes a liquid crystal display panel; a backlight unit; a cover glass; a frame; and a filling member. The backlight unit is in contact with a bottom surface of the liquid crystal display panel. The cover glass is bonded to a top surface of the liquid crystal display panel. The frame is bonded to the cover glass. The filling member is configured to bond a lateral surface of the frame, a lateral surface of the liquid crystal display panel and a lateral surface of the backlight unit and reduce a leaked light emitted from the backlight unit.
Owner:LG DISPLAY CO LTD

Manufacturing method of magnetic ball for living being, magnetic ball thereof and magnetic object

The present invention provides a manufacturing method of a magnetic ball for living being, a magnetic ball thereof and a magnetic object, wherein the method is a facility for reducing or eliminating restriction and problem that are caused by particles and microplate tube. The manufacturing method is used for manufacturing the magnetic ball which is used in the fields of biotechnology and life science. The manufacturing method comprises the following steps: (i) a step of mixing at least two magnetic particles and a resin material for preparing a particle dispersion resin material; (ii) a step of molding the particle dispersion resin material for obtaining a particle dispersion molded product; and (iii) grinding and / or abrading the particles to a sphere shape for forming the magnetic ball with particle diameter in 0.1mm-30mm. Furthermore, the magnetic ball has a saturated magnetization intensity of 2-200A*m2 / kg and a residual magnetization intensity of 0-10A*m2 / kg (wherein, the saturated magnetization intensity is larger than the residual magnetization intensity).
Owner:HITACHT MAXELL LTD

Cooling device with fan and wet curtain and control method thereof

The invention discloses a cooling device with a fan and a wet curtain and a control method thereof. The device comprises a water pump, a wet curtain, a water supply pipe, a sprayer, a water recycling pond, a vent fan, a side window, a controller, a temperature sensor, a humidity sensor and an illuminance sensor, wherein one side of a greenhouse of the device is provided with the fan, the other side of the greenhouse is provided with the horizontally arranged wet curtain, and the wet curtain is provided with water through the water pump and the sprayer; since an included angle is formed by the wet curtain and the vertical surface of the device, the sun-shielding effect of the wet curtain on the wet curtain side in the greenhouse is reduced, and the effective utilization area of the greenhouse is improved; since the wet curtain is provided with water through the sprayer in an atomized mode, the threshold of the outer air humidity is improved when the wet curtain achieves the cooling effect because the wet curtain needs absorbing heat for gasification, and the cooling performance and efficiency of the wet curtain cooling device is improved; since the control method adopts fore-feedback type control, the precision of the temperature control and the cooling efficiency of energy are improved. The device can be widely used in the greenhouse which requires high environment control precision, high illuminance conditions and a good cooling effect.
Owner:ZHEJIANG UNIV

Portable Electronic Device

A portable electronic device including a main body, a camera module and a movement mechanism is provided. The main body has an accommodating groove located in the main body and exposed at a surface thereof. The camera module is disposed in the accommodating groove, and the camera module has a wide angle lens. The movement mechanism is located between the camera module and the accommodating groove, and the camera module is configured to move between a first position and a second position in the accommodating groove. When the camera module is located at the first position, an upper surface of the wide angle lens is lower than or equal to the surface of the main body. When the camera module is located at the second position, the wide angel lens is protruded out of the surface of the main body.
Owner:ALTEK SEMICON

Touch screen, display device and display driving method of display device

ActiveCN105204692AIncreasing the thicknessGood shading effect can be maintained at a small thicknessError detection/correctionNon-linear opticsDisplay deviceBlack light
The invention discloses a touch screen, a display device and a display driving method of the display device. The touch screen comprises a display panel, a cover panel located at a bright dipping side of the display panel, a light shield layer located at one side, facing the display panel, of the cover panel and in a non-touch region of the touch screen, and a touch electrode located at one side, deviating from the cover panel, of a film layer at which the light shield layer is located; due to the fact that the light shield layer comprises a non-black light resistance layer, a low-reflectivity conducting layer and an insulating layer which are arranged on the cover panel in sequence in a stacking manner, wherein, the non-black light resistance layer can enable the touch screen to realize the design of a non-black frame, and the insulating layer can avoid the problem that the low-reflectivity conducting layer generates a short circuit with the touch electrode; the reflectivity of the low-reflectivity conducting layer is relatively low, and the low-reflectivity conducting layer can keep a good shading effect under the condition that the thickness is relatively thin, thus, the thickness of the light shield layer can be reduced on the premise of ensuring the good shading effect, and the problem of line breakage of the touch electrode can be avoided.
Owner:BOE TECH GRP CO LTD

Preparation method of solvent-free block silicone oil

The invention discloses a preparation method of solvent-free block silicone oil and belongs to the field of textile chemistry. The method is technically characterized by comprising the steps as follows: S1, polyether amine and 1,3-bis(3-glycidoxy propyl)-1,1,3,3-tetramethyldisiloxane react to produce a hydroxyl-containing polyamine coupling agent; S2, the hydroxyl-containing polyamine coupling agent and organisilicone monomers are subjected to ring opening polymerization under the action of a basic catalyst to produce the solvent-free block silicone oil. The preparation method of the solvent-free block silicone oil comprises concise steps and is convenient to operate, the environment is protected and potential risks during transportation are reduced due to reduction of solvents, the colored light phenomenon on the surface of fabric is effectively reduced while the softness of the fabric is guaranteed and yellowing of the fabric is reduced, and the wet rubbing fastness and dry rubbing fastness of the fabric are improved.
Owner:浙江固高科技股份有限公司

Complex surface numerical control efficient electrolytic machining tool

The invention relates to a complex surface numerical control efficient electrolytic machining tool which comprises a base, a standard platform, an X, Y and Z straight line moving platform, a Y direction numerical control rotating table (a tool B shaft), a Z direction rotating and X direction inclining swinging numerical control rotating table (a tool A shaft and a C shaft), an output end, a stand column, a balance weight, a tool outer cover and the like. According to the tool, feeding of an instrument along a Y and Z space track can be achieved, meanwhile, rotating in the B direction is matched, and blisk blade lattice channel electrolytic machining is completed in a space rotating feeding mode. Through the method, blade body margin difference can be lowered, and irregular hub face machining can be achieved. According to the tool, a workpiece can be obliquely placed according to a corresponding optimized angle, an optimized space angle is formed between the instrument feeding direction and the workpiece, and blisk blade lattice channel electrolytic machining is completed in a space angle feeding mode. According to the method, following blade surface machining accuracy can be improved. According to the tool, efficient electrolytic machining of an aero-engine diffuser, a cartridge receiver and other complex surface parts can be achieved.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Method for manufacturing electrode for solar cell, substrate for solar cell manufactured by the same, and solar cell manufactured by the same

The present invention provides a method for manufacturing an electrode for a solar cell, a substrate for the solar cell manufactured by the same, and a solar cell manufactured by the same. The present invention forms an electrode of a specific pattern through an offset printing system, and plates the electrode through a plating process to fill the metal-free region of a bus bar electrode with a plating metal and thus reduce the sheet resistance of the bus bar. The present invention obtains a finger electrode with a line width of 100 microns or less through the combination of an offset printing process and a wet metal plating process. Further, the present invention obtains an electrode with an aspect ratio of 0.2 to 0.6 to reduce light shield effects and improve efficiency of the solar cell.; The present invention eliminates the necessity of multi-layer offset printing, and thus to reduce use of expensive conductive paste which might otherwise increase in proportion to the number of times printing is performed.
Owner:SSCP CO LTD

Method for autoclave-free adhesive bonding of components for aircraft

The invention relates to a method for autoclave-free adhesive bonding of components (2-6) in order to form in particular, large-sized structural components (1) for aircraft. Since the curing of the least one adhesive film (16) in order to connect the stringers (3-6) takes place free of autoclaves in a vacuum bag at a relatively low partial vacuum between 70 kPa and 100 kPa, the previously necessary complex structure by masking sharp edges and / or arranging pressure elements on order to increase the local contact pressure in specific regions of the components is dispensed with.
Owner:AIRBUS OPERATIONS GMBH

Diamond heat sink GaN-based different-side electrode LED manufacturing method

ActiveCN106784276APerformance impactThe heat dissipation advantage is obviousSemiconductor devicesSputteringEtching
The present invention discloses a diamond heat sink GaN-based different-side electrode LED manufacturing method. The method comprises: performing MOCVD growth of GaN-based LED epitaxial materials on a sapphire substrate; performing ICP etching of the GaN-based LED epitaxial materials of the sapphire substrate, and performing device isolation; performing magnetron sputtering of p-type contact metal, reflective metal and bonding metal on the surfaces of the GaN-based LED epitaxial materials on the sapphire substrate; performing magnetron sputtering of the bonding metal on the surface of a diamond heat sink substrate; performing metal bonding of the GaN-based LED epitaxial materials of the sapphire substrate and the diamond heat sink substrate; performing stripping of the sapphire substrate through adoption of the laser stripping technology; and finally performing magnetron sputtering of n-type contact metal. The diamond heat sink GaN-based different-side electrode LED manufacturing method employs diamond with high heat conductivity to take as a heat sink, LED anodic metal is in metal bonding contact with the diamond, and the heat radiation advantage is obvious; the LED anodic metal is in metal bonding with the diamond in a low temperature to effectively avoid the influence of traditional high-temperature bonding on the LED performance; and the technology is simple in the sapphire substrate leaser stripping process.
Owner:SHAANXI UNIV OF SCI & TECH

Spiral fluorescent tube and manufacturing method therefor

InactiveCN101206981AHigh light efficiencyImprove the efficiency of powder coatingLuminescent coatings applicationFluorescenceSlurry
The invention relates to a spiral fluorescent lamp tube and the manufacturing method thereof. The processing steps of the method mainly comprises the steps that the axial line of the exposed tube of the spiral fluorescent lamp is positioned upward to form a certain angle with the level line, the port of the lamp tube is positioned upward, and the top part of the luminous tube is positioned downward; by rotating the exposed tube of the spiral fluorescent lamp forward and backward, powder slurry poured in the exposed tube of the spiral fluorescent lamp flows and is coated on the inner wall of the exposed tube of the spiral fluorescent lamp evenly, and then the spiral fluorescent lamp tube is continued to be rotated, the inner part of the lamp tube is blown, heated and dried, until the spiral fluorescent lamp tube is formed; therefore the thickness of the fluorescent powder coating layer on the inner surface of the spiral fluorescent lamp tube is even, a great amount of fluorescent powder can be saved, the luminescent effect of the fluorescent lamp tube is enhanced, the current drain during the drying is reduced, and the efficiency of powder coating of the lamp tube is greatly enhanced.
Owner:FUJIAN YDJ LIGHT

Humidifying and cooling draught fan wet curtain device and control method

The invention discloses a humidifying and cooling draught fan wet curtain device and a control method. A wet curtain and draught fans are arranged on the same side of a greenhouse of the device, therefore, the layout of a traditional wet curtain draught fan is optimized, sun shading of the draught fans on the interior of the greenhouse is reduced, and the daylighting property and the space utilization rate of the greenhouse are improved. The volume of fresh air entering the greenhouse and the circulating air volume in the greenhouse are adjusted through angle change of an air inlet side windowbaffle, therefore, the purpose of precisely regulating and controlling the temperature in the greenhouse is achieved, and the defect that the temperature in the greenhouse dramatically changes when the traditional wet curtain draught fan is started and stopped is avoided. Through positive pressure type cooling design, entrance of pathogeny and insect sources of greenhouse crops are reduced. Air is supplied through ventilation pipelines, and therefore the temperature and the humidity in the greenhouse are evenly distributed. The greenhouse humidifying purpose is achieved through inner circulation of air in the greenhouse and the wet curtain. Feedforward type control is adopted in the control method, and therefore the precision of temperature and humidity control is improved. The humidifying and cooling draught fan wet curtain device can be widely applied to greenhouses with the high environment control precision and the good cooling and disease and insect preventing effect.
Owner:ZHEJIANG UNIV

Light-type conversion driving device for car lamp light-type conversion device and conversion method thereof

Provided are a light-type conversion driving device for a car lamp light-type conversion device and a conversion method thereof. The light-type conversion driving device comprises a shell, a rotor, a stator, a rotating shaft and an end cover, and the stator and stator windings inside the shell form a pair of arc-shaped stator magnetic poles capable of being electrically excited; the rotor is an arc-shaped permanent magnet and is fixed on the rotating shaft and arranged in a magnetic field space of the arc-shaped magnetic poles of the stator, and the rotor is matched with the arc-shaped stator magnetic pole to form a closed magnetic circuit with air gaps; the two ends of the rotating shaft are each connected with an oscillating bar which extends in the radial direction of the rotating shaft, a shading plate of the car lamp light-type conversion device is fixedly connected to the oscillating bars on the two ends of the rotating shaft, and the oscillating angle of the shading plate is the same as the rotation angle of the rotor; the mode that a rotation-type electromagnetic execution mechanism is used for driving the shading plate is adopted to achieve light-type conversion, collision noise made in the collision noise attracting and releasing processes is reduced, and a more comfortable driving environment is provided for a user.
Owner:HASCO VISION TECHNOLOGY CO LTD

Flexible transparent LED display screen and display

The invention discloses a flexible transparent LED display screen and a display. The flexible transparent LED display screen comprises a flexible transparent display screen body, an LED circuit and LED lamp beads, the LED circuit is arranged on one side or two sides of a flexible transparent substrate, the LED circuit comprises an electrode wire, the electrode wire comprises a plurality of grid lines, the grid lines are mutually staggered on the same side of the flexible transparent substrate to form a grid, or the multiple grid lines are parallel to one another on the same side of the flexible transparent substrate and staggered with the grid lines on the other side of the flexible transparent substrate to form a grid, the grid comprises basic cells, the basic cells are arrayed in at least two array directions, the included angle between any two adjacent array directions in the at least two array directions is larger than 0 degree, and is not greater than 90 degrees; and the LED lamp beads are electrically connected to the LED circuit. According to the technical scheme, the flexible transparent LED display screen has the advantages of being high in transparency and high in stability.
Owner:ZHUHAI HUACUI TECH CO LTD

Super-span superposed high-energy greenhouse and setup method thereof

The invention relates to a super-span superposed high-energy greenhouse and a setup method thereof. The super-span superposed high-energy greenhouse is characterized by comprising a foundation, gablewalls, a rear wall, a frame, a small heat-acquiring greenhouse, greenhouse film, sunlight panels and heat curtains; the lower end of the foundation is extended underground; the gable walls and the rear wall are fixedly connected to the top of the foundation; the frame is arranged at the top of the gable walls and the rear wall; the front end of the frame is fixedly connected with a ground beam onthe foundation, the rear end of the frame is fixedly connected with the rear wall, and two sides of the frame are fixedly connected with the gable walls; the small heat-acquiring greenhouse is arranged at the top of the frame; the front end of the small heat-acquiring greenhouse is fixedly connected with the frame, and the rear end of the small heat-acquiring greenhouse is fixedly connected with pillars, a truss beam and the rear wall; the greenhouse film and / or the sunlight panels are applied outside the frame and the small heat-acquiring greenhouse; all the heat curtains cover the outside ofthe frame and the small heat-acquiring greenhouse. The setup method includes: building a pile foundation, setting up gable walls, setting up a rear wall, setting up a frame, setting up a small greenhouse, installing a heat collection and supply system, installing green film, installing heat curtains, and setting up heat-preserving walls.
Owner:吉林市东北生态农业发展有限责任公司

Light emitting module and backlight lighting lamp chain comprising the same

A light emitting module may include: a PCB board; a light emitting assembly mounted on the PCB board; a lens and an encapsulating housing, the encapsulating housing encapsulating therein the PCB board, the light emitting assembly and part of the lens, and an exit surface of the lens being exposed out of the encapsulating housing, wherein the encapsulating housing is formed therein with a first concave region surrounding the exit surface and reducing light blocking, and at least a second concave region into the first concave region, wherein the second concave region is designed in such a way that water in the first concave region is drained via the second concave region.
Owner:OPTOTRONIC GMBH

Bone-marrow mesenchymal stem cell culture medium and application thereof

The invention provides a bone-marrow mesenchymal stem cell culture medium and application thereof, and belongs to the technical field of stem cells as well as cell culture and amplification. The bone-marrow mesenchymal stem cell culture medium consists of the following ingredients at the following concentrations: 52-53% by volume of Dulbecco modified MEM medium, 38-42% by volume of MCDB medium, 1XITS cell culture additives, 8-12 microgram / milliliter of linoleic acid, 40-60 microgram / milliliter of human serum albumin, 1X penicillin and streptomycin, 75-125 micromoles of L-ascorbic acid, 1-3% by volume of fetal bovine serum, 10-15 micromoles of dexamethasone, 12-18 ng / mL of platelet-derived growth factors, and 8-12 ng / mL of growth promoting factors. Being adopted, the bone-marrow mesenchymal stem cell culture medium provided by the invention is capable of increasing success rate of clonal culture of bone-marrow mesenchymal stem cells (bMSC); and moreover, the bone-marrow mesenchymal stem cell culture medium is capable of increasing passage times, ensuring relatively high cell purity and improving cell primitivity.
Owner:海门生原干细胞科技有限公司

Forming cultivation cystosepiment

The invention relates to a forming cultivation cystosepiment. The problem that a cystosepiment is complex to manufacture, poor in cultivation effect and unfavorable for root system nutrient solution absorption can be solved effectively. The technical scheme is that the forming cultivation cystosepiment comprises a base plate, a plurality of inclined cultivation holes are evenly formed in the base plate, fixed planting rings are arranged in the cultivation holes, the cultivation holes are staggered and evenly distributed, the transverse distance L between every two cultivation holes is 160 mm, and the longitudinal distance H between every two cultivation holes is 170 mm. An included angle a between the axes of the cultivation holes and the surface of the base plate is 30 degrees, and the thickness of the base plate is 30 mm. The forming cultivation cystosepiment is novel and unique in structure, simple, reasonable, easy to produce and low in cost, enables plants to grow up-rightly and reduces shading. In the growth process, each plant and each leaf have growth spaces and can obtain enough sunshine, moisture and nutrient can be absorbed fully, it is guaranteed that the plants grow quickly and evenly, the yield and quality are greatly improved, and the forming cultivation cystosepiment is convenient to use and good in effect and innovative based on an aerial fog cultivation plate.
Owner:ZHENGZHOU HAILITE AGRI & FORESTRY SCI & TECH CO LTD

Display panel mother board, display panel, manufacturing method of display panel and display device

The invention relates to a display panel mother board, a manufacturing method of the display panel mother board, a display panel and a display device. The display panel mother board comprises an array substrate and a color film substrate, wherein the array substrate comprises metal lead wire layers and a protective layer, and the color film substrate comprises black matrix layers. Alignment rulers are arranged at the portions located in corresponding frame sealing adhesive areas, of each of the metal lead wire layers and the black matrix layers. Protrusions are formed at the portions corresponding to the alignment rulers in the metal lead wire layers, of the protective layer, and / or the color film substrate further comprises a spacer layer, and protrusions are formed at the portions corresponding to the alignment rulers in the black matrix layers, of the spacer layers. According to the technical scheme, the protective layer and the spacer layer are provided with the protrusions in the thickness direction of the alignment rulers in the frame sealing adhesive areas, a frame sealing adhesive is extruded during box alignment, the frame sealing adhesive between the protective layer and the spacer layer in the thickness direction of the alignment rulers is decreased, the shading degrees of the alignment rulers in the black matrix layers and the alignment rulers in the metal lead wire layers are lower, and alignment calibration conducted on the alignment rulers in the black matrix layers and the alignment rulers in the metal lead wire layers is facilitated.
Owner:BOE TECH GRP CO LTD +1

Grooving and contact burying method for crystalline silicon solar cell

The invention relates to a grooving and contact burying method for a crystalline silicon solar cell, which is characterized by including steps: firstly, printing a protection film layer on the surface of a silicon chip flock with the surface textured; secondly, immersing the silicon chip coated by the film into NaOH or KOH solution, grooving by 5-10um in depth, and cleaning after grooving; thirdly, putting the silicon chip in hydrofluoric acid solution to remove an organic masks on the surface of the silicon ship and drying; fourthly, using the silicon chip to make a back electrode, a back electric field and a positive electrode by means of screen printing; fifthly, depositing a silicon nitride film layer on the surface of the whole silicon chip; and sixthly, sintering the obtained silicon chip at 650-900 DEG C. The whole electrode grate line can be completely covered by a silicon nitride anti-reflection film by etching the surface of the silicon chip first and then depositing the silicon nitride anti-reflection film after the electrodes are made in the etched groove, so that silver can be partially replaced by base metals such as copper and the like, and cost is saved.
Owner:IRICO

Sunlight tracking sensor

The invention discloses a sunlight tracking sensor. The sunlight tracking sensor comprises a tubular housing, the tubular housing is long-strip-shaped, the top portion of the tubular housing is provided with a light transmitting panel 2, the center of the light transmitting panel is provided with a square photomask, the photomask is projected in a square shadow region at the center of a circuit board at the bottom of the tubular housing, the center points of four edges of the square shadow region are each provided with a photosensitive tube superposed with the four edges in an attached mode, and the photosensitive tubes and four voltage comparators form a working circuit. The sunlight tracking sensor is simple in structure and low in cost. The tracking precision can be smaller than + / -0.05 DEG, the cross section is small, the sunlight tracking sensor and a reflective mirror heat collector form a three-point one-line arrangement, the shading is small, and the sunlight tracking sensor is especially suitable for sunlight tracking of a heliostat.
Owner:CHANGZHOU INST OF TECH

Thin-film solar cell device having colored pattern

The invention relates to a thin-film solar cell having a colored pattern. The thin-film solar cell having the colored pattern comprises a solar film unit, a front protective layer, at least one colored pattern and a back protective layer; the solar film unit comprises a light receiving surface and a backlight surface; the front protective layer is arranged on the light receiving surface, and comprises an inside surface adjacent to the light receiving surface, an outside surface and a micro-structure unit formed on the outside surface; the colored pattern is formed on the inside surface of thefront protective layer, and comprises multiple micro-color points having at least one color; the back protective layer is arranged on the backlight surface of the solar film unit; when irradiating each micro-color point through the micro-structure unit, incident light irradiates the light receiving surface of the solar film unit corresponding to the micro-color point through poisson spot generatedby the diffraction phenomenon; the light spreading effect is formed on the light receiving surface; the multi-color-system effect is displayed; and in addition, the shade phenomenon and the hot spoteffect also can be reduced.
Owner:ETERBRIGHT SOLAR CORP

Mask plate and preparation method for color film substrate

InactiveCN110806675ASolve the technical problem of stacking too highReduce stack heightOriginals for photomechanical treatmentDiffraction effectColor film
The invention provides a mask plate and a preparation method for a color film substrate. The mask plate comprises a pattern part corresponding to a color resistor, and the pattern part comprises a first area corresponding to a color resistor display area and a second area corresponding to a color resistor non-display area; and at least one gap is formed in the pattern part, so that light penetrating through the gap is diffracted, and the gap is located in the second area. The gap is formed in the second area of the pattern part of the mask plate, when the mask plate is used for exposing a photoresist layer, the diffraction effect is generated when light penetrates through the gap, the shading effects of shading parts on the two sides of the gap are further reduced, the slope angles on thetwo sides of the patterned color resistor corresponding to the pattern part are increased, and the width of the slope is reduced.
Owner:SHENZHEN CHINA STAR OPTOELECTRONICS TECH CO LTD
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