347results about How to "Guaranteed light transmission" patented technology

The invention discloses an electroluminescent display panel, a display device and an obtained image display method thereof. According to the invention, an image obtaining area is set in a display area, sub-pixels in the image obtaining area are divided into a non-transparent display area and a transparent area so as to enable a camera placed below the image obtaining area to obtain an image through the transparent area, thereby realizing a camera shooting function in the display area, and being conducive to realizing a full-screen display design. A control circuit of the sub-pixels in the image obtaining area is only set in the non-transparent display area, an organic light emitting structure electrically connected with the control circuit is set at least in the non-transparent display area, thereby being capable of realizing a display function at least in the non-transparent display area while ensuring the transparency of the transparent area so as to ensure the continuity of the display. The obtained image can be displayed by adopting a method of reducing the resolution so as to improve the image clarity.

The invention discloses a bracket for a camera die set and the camera die set. The bracket comprises a bracket body; the bracket body comprises a first surface and a second surface which are oppositely arranged; a first concave groove and an annular boss are arranged on the first surface, wherein the annular boss is arranged around the outer side of the first concave groove; a second concave groove is formed in the second surface; through holes which pass through the first concave groove and the second concave groove are formed in the bracket body. According to the bracket for the camera die set, when a lens driving assembly is adhered on the part of the first surface, positioned at the outer side of the annular boss through an adhesive, excessive adhesive is difficult to flow to the first concave groove and a lens, so that the adhering firmness of the bracket and the lens driving assembly can be ensured, the adhesive can be prevented from adhering to a light filter and glass, and as a result, the light filtering performance of the light filter and the light transmission performance of the glass can be ensured, and the good imaging effect of the camera die set can be ensured; in addition, the lens is difficult to be adhered and fixed through excessive adhesive, and the focus of the lens can be normally adjusted.

The invention provides an automatic anti-dazzling system of a front windshield of a car. The automatic anti-dazzling system comprises a front vision module, a cab vision module, a control module and an anti-dazzling module. The front vision module is used for monitoring position and strength of light emitted into the front windshield. The cab vision module is used for monitoring positions of eyes of a driver. The anti-dazzling module is arranged on the front windshield and used for regulating shading of the front windshield. According to the technical scheme, the control module is used for determining the position of the anti-dazzling module where dimming is needed for realizing light shading according to the strengths and positions of light sources in front of the car and position information of eyes of the driver, so that strong light can be prevented from irradiating to the eyes of the driver in time.

The invention discloses a metal nano wire transparent conductive film and a preparation method thereof. The method comprises the following steps: preparing two completely same metal nano wire suspending liquids, respectively adding electrolytes with opposite electric properties into the two suspending liquids to enable surfaces of metal nano wires in the two suspending liquids to respectively carry positive charge and negative charge, and afterwards, performing alternative precipitation to prepare the multi-layer metal nano wire film on the surface of a substrate through a spin coating method, a spray method, a scrape coating method or a dipping-coating method. According to the invention, the technical approach is simple, the operation is convenient, the cost is quite low, the effect of static interaction precipitation is taken into full consideration, and the uniformity of the metal nano wire film and the adhesiveness of the substrate are greatly improved. At the same time, the metal nano wire film is enabled to have quite good conductivity and light transmittance, can be applied to large-scale production, and can be applied to the photoelectric fields such as an organic light emitting diode (OLED), a solar battery, a sensor, a touch screen and the like as an electrode.

The invention provides a full-lamination process for a touch display module. According to the full-lamination process, a big piece of solid optical cement is adhered on an upper polarizer in advance, then the big piece of solid optical cement is cut to have same sizes with the length and the width of the upper polarizer, the procedure that the solid optical cement is adhered onto the upper surface of the upper polarizer is eliminated in the full-lamination process, and the product yield of the full-lamination process is increased. Meanwhile, according to the full-lamination process, two procedures are set to check the quality of semi-finished products, and bad products cannot flow into the next procedure, so that the product yield is significantly increased. A touch screen is adhered with the upper polarizer of a display screen semi-finished product without a back light plate through the solid optical cement, and after the touch screen is adhered with the upper polarizer, the back light plate and a lower polarizer of the display screen semi-finished product are assembled together, so that the solid optical cement is prevented from overflowing into the back light plate, the back light plate can be normally pervious to light, the bad products cannot be caused, and the production cost is reduced.

The invention discloses an organic light-emitting diode device. The light-emitting diode device comprises a substrate; an OLED unit disposed on the substrate; and a packaging structure, which is connected with the substrate, and is used for packaging the OLED unit. The packaging structure comprises a first inorganic barrier layer disposed on the outer side of the OLED unit in a wrapped manner, an inorganic nanometer-organic copolymer mixing layer disposed on the outer side of the first inorganic barrier layer in a wrapped manner, and a second inorganic barrier layer disposed on the outer side of the inorganic nanometer-organic copolymer mixing layer in a wrapped manner. The organic light-emitting diode device has advantages of good water oxygen barrier performance, thin thickness, and strong interface bonding force. The invention also provides the production method of the organic light-emitting diode device.

The invention provides an LED optical stimulation and electrographic recording integrating flexible neural electrode device and a manufacturing method thereof. The device comprises an optical stimulation electrode and a recording electrode, wherein both the optical stimulation electrode and the recording electrode comprise bottom polymer insulating layers, top polymer insulating layers and middle gold circuit layers; a plurality of holes are formed in the bottom polymer insulating layers and the top polymer insulating layers; steel pins sequentially run through the holes in the optical stimulation electrode and the recording electrode; and when the optical stimulation electrode and the recording electrode are in gluing connection, the optical stimulation electrode and the recording electrode are prevented from becoming displaced. According to the method, the optical stimulation electrode and the recording electrode are independently manufactured, and then the optical stimulation electrode and the recording electrode are bonded. According to the flexible neural electrode device disclosed by the invention, on the basis of direct contact between LED and brain tissues, light transparency is guaranteed, and meanwhile, influence on recording results due to a photoelectric effect between light and the recording electrode is effectively avoided; the electrodes, which are relatively thin, can guarantee shape preservation when attached to cerebral cortex; and the requirements of acute experiments and long-term implant experiments can be satisfied.

The invention discloses an LED (Light-Emitting Diode) lighting device. The LED lighting device comprises an LED lamp holder, a water spraying cleaning assembly, a wind power assembly and a supporting part, wherein the water spraying cleaning assembly comprises a water storage tank, a pressurizing barrel, a piston pump and a sprinkler head, the piston pump is connected with the water storage tank through a water inlet pipe and a water inlet one-way valve and is connected with the pressurizing barrel through a water outlet pipe and a water outlet one-way valve, the bottom of the pressurizing barrel is connected with the sprinkler head through a cleaning pipe, the sprinkler head is fixed to one side of the lower part of the LED lamp holder, an electromagnetic valve is arranged on the cleaning pipe, and the working condition of the electromagnetic valve is controlled by a timing switch; the wind power assembly is used for providing a driving force for the piston pump; the supporting part is used for supporting the LED lamp holder, the water spraying cleaning assembly and the wind power assembly. The LED lighting device does not need to be connected to an external water source, and is convenient to mount and use; the LED lighting device adopts wind power to provide power, and is energy-saving, environment-friendly, simple in structure, more stable in operation and lower in cost.

The invention discloses a display panel and a display device, belongs to the technical field of display, and is used for preventing the deformation of a high light transmission area caused by the external pressure, thereby ensuring the light transmission effect of the high light transmission area and ensuring the resolution of a photosensitive assembly arranged below the high light transmission area. The display panel comprises dividing a non-display area into a first area with smaller touch signal line density and a second area with larger touch signal line density according to the wiring density of the touch signal lines in the non-display area, wherein the non-display area is provided with a first sub-support column and a second sub-support column; in a first area, a supporting component is arranged on one side, facing a second substrate, of a first substrate, orthographic projections of at least part of the first sub-support column on the first substrate are overlapped with orthographic projections of the supporting component on the first substrate, and in a second area, orthographic projections of at least part of the second sub-support column on the substrate are overlapped with orthographic projections of the touch signal lines on the first substrate, and the supporting component and the touch signal lines are mutually insulated.

The invention relates to a capacitive touch screen and a manufacturing method thereof. The capacitive touch screen comprises at least one rigid transparent base plate, and is characterized in that at least one surface of each base plate is provided with an electrode arrangement area, each electrode arrangement area is provided with a plurality of grooves, conductive nano-powder is filled in the grooves, the conductive nano-powder in the grooves is connected to form conductive fine wires, and the conductive fine wires form inductive electrodes of the capacitive touch screen in a netted and tiled mode. The inductive electrodes of the capacitive touch screen are manufactured through the method that the grooves are arranged and the conductive nano-powder is embedded into the grooves to form the conductive fine wires, the method that film coating is carried out on the base plate at high temperature does not need to be adopted, and therefore the capacitive touch screen has high flexibility in material, structure and technological selection, and manufacturing cost of the capacitive touch screen is further reduced.

The invention relates to a micromachining process, and particularly relates to a biological micro-electric mechanic system. The invention provides a split type micro-electric mechanic system and a preparation method thereof. The split type micro-electric mechanic system comprises separate polymer microfluidic chips on the structure and a functional base, wherein, the functional base has the advantages of stable structure, reliable performance and repeat application by adopting the process technology of the high-precision silicon-based micro-electric mechanic system; and the microfluidic chips have the advantages of extremely low cost and disposable application by adopting the micro process technology of the high-flux polymer. Therefore, the micromachining process can be applied under different situations, and is particularly suitable for the design of the low-cost, rapid, multifunctional integrated and portable clinical biological micro-electric mechanic system.

The present invention provides a transparent display panel and a preparation method thereof. The transparent display panel comprises a pixel light-emitting area and a non-pixel light-emitting area which are arranged on a substrate, and the light-emitting components are arranged in the pixel light-emitting area, wherein the light-emitting components comprise a reflecting electrode, a transparent pixel electrode, a light-emitting layer and a transparent top electrode which are arranged orderly, and the reflecting electrode is arranged in the inner edge area of the pixel light-emitting area and extends outwards to the non-pixel light-emitting area, so that the light-emitting components form a reflection area in which the reflecting electrode is arranged and a light transmission area beyond the reflection area.

The invention relates to a solar module for double-curved-surface vehicle roof and a preparation method thereof. The solar module comprises an upper packaging layer, an adhesive film layer, a solar cell set and a lower packaging layer. The upper packaging layer and the lower packaging layer are set to curved surfaces which are adapted with the shape of the double-curved-surface vehicle roof. The curved surfaces are composed of double curved surfaces which are bent in a first direction and a second direction. The solar cell set comprises a plurality of sub-cell strings. The number of the sub-cells in the sub-cell string is larger than or equal with one. The sub-cells are obtained through dividing a thin-film solar cell panel or a crystalline silicon solar cell plate. The sub-cells are arranged in the first direction for obtaining the sub-cell strings. The sub-cell strings are parallelly laid in the second direction. The sub-cell strings are connected in at least one manner selected from parallel connection, serial connection and combination of parallel combination and serial connection. The solar module and the preparation method thereof have advantages of reducing a problem of cell damage in a combination process of the double-curved-surface vehicle roof and furthermore improve reliability of the solar cells.

The invention relates to a device using solar energy to generate power, in particular to a solar hot gas flow generating device which uses solar energy to enable gas to flow. The solar hot gas flow generating device comprises a heat collecting shed, a flow guiding chimney communicated with the heat collecting shed and a gas flow generator installed in the flow guiding chimney, wherein the heat collecting shed comprises a light-transmitting heat collecting shed which is positioned at the edge of the heat collecting shed and a solar vacuum tube heat collecting module which is connected with the light-transmitting heat collecting shed and is positioned in the middle of the heat collecting shed; olivary flow guiding chambers are uniformly distributed between the heat collecting shed and the ground; the flow guiding chambers and the heat collecting shed are hermetically connected, and the light-transmitting heat collecting shed and the heat collecting module are hermetically connected; and a gas flow generator I is installed in a speed increasing channel formed by the two flow guiding chambers. In the invention, the heat collecting shed comprises a low temperature region and a high temperature region, the speed increasing channel is arranged in the heat collecting shed, solar photovoltaic cells are installed on the heat collecting shed, and the waste heat of the flow guiding chimney is recycled simultaneously, thereby effectively improving the efficiency of the solar hot gas flow generating system, increasing the strength of the heat collecting shed and prolonging the service life of the heat collecting shed.

The invention belongs to the biologic field of micro algae, relating to a method for cleaning inner wall of pipeline type photobioreactor pipe in micro algae culture. Magnetic sphere is placed into a pipeline type photobioreactor, culture solution flows when being pushed by power, the magnetic sphere randomly enters into the pipeline of photobioreactor along with the culture solution and does directional movement or slides under manual regulation of a control system outside the pipeline, and the magnetic sphere continuously slightly collides and rubs pipe wall in circulated moving process in the photobioreactor pipeline, so that algae cell material adhered onto transparent pipeline inner wall is rubbed into liquid phase used for culturing micro algae, the pipeline photobioreactor pipeline is effectively cleaned and light transmission thereof is maintained. The invention can effectively clean cells into algae liquid phase at initial stage of adherence, or substance such as cell adhered to the inner wall of the pipeline type photobioreactor pipe is removed, restriction of micro algae cell adherence to micro algae cell culture is overcome, and good light transmission and culture effect of photobioreactor are maintained.

The invention discloses a method for preparing light transmitting concrete through application of optical fiber winding machine technology and belongs to the field of novel building materials. According to the method for preparing light transmitting concrete through application of optical fiber winding machine technology, organic material multimode optical fibers with the diameter from 0.5 mm to 1.5 mm are adopted, the optical fibers are wound to an optical fiber winding machine until an optical fiber integrated body with the preset width is formed to serve as a conductor for transmitting the optical fibers, and the specific effect of light transmitting and image transmission through cement concrete materials is achieved. The light transmitting concrete which is the novel fourth generation light transmitting concrete material has the advantages of being simple in technology and easy to operate, enabling light transmitting performance to be guaranteed and having good application prospect.

The invention discloses a quartz tube automatic control feeding production method and device for semiconductor photovoltaics, and belongs to the technical field of quartz tube production. The problemsthat a quartz tube produced by the prior art has poor light transmittance and a low qualification rate are solved. The method comprises the following steps: (1) physically purifying, chemically purifying and chlorinating quartz sand; (2) adding the purified quartz sand to a quartz tube automatic control feeding device for semiconductor photovoltaics to produce a quartz tube for semiconductor photovoltaics. The production device comprises a furnace cover, a furnace body and a crucible, wherein a heating and heat preservation device is arranged between the furnace body and the crucible, the furnace cover is provided with two or more feeding ports, the feeding ports are connected with an automatic feeding control system, and the furnace cover is also provided with a liquid level detecting system, a production measuring instrument is arranged at an outlet of the quartz tube below the furnace body, and the liquid level detecting system and the production measuring instrument are correspondingly connected with the automatic feeding control system. The quartz tube automatic control feeding production method and device for the semiconductor photovoltaics can be used for producing the quartz tube for the semiconductor photovoltaics.

The invention discloses a thermal insulating coating and a preparation method thereof. In the terms of 100 parts of the coating by weight, the thermal insulating coating consists of the following components: 5-10 parts of sulfide, 0-10 parts of ATO and / or ITO, 1-2 parts of dispersing agent, 33-49 parts of solvent and 45-55 parts of film-forming agent. According to the thermal insulating coating and the preparation method thereof provided by the invention, the use amount of the ATO and / or ITO is reduced as well as the optical and thermal insulation performances of the thermal insulating coating are ensured and the material cost of the coating is decreased because the sulfide is contained in the thermal insulating coating. Meanwhile, the thermal insulating coating has the advantages of simple preparation process, low requirement on equipment and reduced production cost.

The invention discloses an LED screen glass curtain wall which is characterized by comprising a glass curtain element board (1), LED lamps (3) and a control driving system, wherein the glass curtain wall element board (1) is provided with lamp holes (5) arranged in a matrix, the lamp holes (5) are provided with liquid-tight transmitting devices; and the LED lamps (3) are installed in the lamp holes (5), and are electrically connected with the control driving system. By combining the LED lamp screen technology and the glass curtain wall and using the glass curtain wall as a support frame of the LED screen, materials and space are saved, problems of large-area installation and outdoor water prevention are solved, and the appearance and the transmitting and perspective effects of the glass curtain wall are ensured. The invention can be widely applied to buildings which take the glass curtain wall as the appearance material, particularly special-structure buildings with the glass curtain wall. The invention can play large-area video images in the evening, which plays the roles of advertisements and city beautification, thereby having broad application prospect.

The invention discloses an LED street lamp efficient in heat dissipation and capable of conducting self-cleaning. The LED street lamp comprises a lamp pole, an LED street lamp body and a lamp pole base. The lamp pole base is fixedly connected to the bottom of the lamp pole, and support pillars are fixedly connected to the two sides of the top end of the lamp pole. The support pillars are connected with a first pulley and a second pulley in a rotary manner. A fixing pillar is fixedly connected to one side of the bottom end of the lamp pole and provided with a sliding rope. The surface of the lamp pole is connected with a connecting plate in a sleeved manner, and a water reservoir is fixedly connected to the top of the connecting plate. A water pump is arranged in the water reservoir, and the water delivery end of the water pump is connected with a water outlet pipe. The water pump is electrically connected with a water pump switch arranged at one side of the bottom end of the lamp pole. A water inlet pipe is connected to the top of the water reservoir, and a rainwater collection pool is connected to the top end of the water inlet pipe. A ringlike water seepage pipe is connected to the tail end of the water outlet pipe. The LED street lamp body is fixedly connected to the bottom of one end of the connecting plate, and a flow guiding plate is arranged at the bottom end of the LED street lamp body, wherein the flow guiding plate is connected with the lamp pole. A flow guiding groove is formed in the flow guiding plate. The LED street lamp is reasonable in structure, good in application value and suitable for being applied and popularized.

The invention relates to a transparent and conductive silk fibroin material and a preparation method thereof. The preparation method comprises the following steps: a transparent silk fibroin materialsubjected to insolubilization treatment is put in a water solution of EDOT (3,4-ethoxylene dioxy thiophene) containing SDS (sodium dodecyl sulfonate) or an EDOT derivative and are subjected to oxidation polymerization under the action of ferric trichloride and ammonium persulfate, so that the transparent and conductive silk fibroin material is prepared. The prepared transparent and conductive silkfibroin material mainly comprises a transparent substrate layer and a transparent conductive layer depositing on the surface of the transparent substrate layer, the substrate layer is made of silk fibroin, the surface sheet resistance of the transparent and conductive silk fibroin material is (6*10<4>)-(1*10<5>) omega, and the highest light transmittance of a visible light area reaches 65%-75%. The preparation process is simple and mild, and the prepared transparent and conductive silk fibroin material has good conductivity and higher transparency.

The invention relates to a PM2.5 protection composite screen window mesh. The composite screen window mesh comprises a screen layer, an adsorption layer is arranged on one side of the screen layer, one face of the absorption layer is tightly attached to the screen layer, and viscose strips are arranged on the periphery of the other face of the adsorption layer. The adsorption layer at least comprises a polypropylene fiber spunbonded non-woven fabric layer and an ultra-fine denier electret melt-blown fiber non-woven fabric layer. Small vent holes are evenly distributed in the polypropylene fiber spunbonded non-woven fabric layer, and the weight per unit area of the ultra-fine denier electret melt-blown fiber non-woven fabric layer ranges from 25 grams per square meter to 50 grams per square meter. The PM2.5 protection composite screen window mesh can efficiently filter and adsorb PM2.5 particulate matter in air, the indoor air environment can be purified, the indoor PM2.5 concentration is effectively reduced, the PM2.5 filter efficiency reaches 99%, high breathability, light transmission and PM2.5 filter efficiency can be achieved, and high PM2.5 filter efficiency of the screen window mesh, breathability and light transmission of the screen window mesh, and normal air ventilation and daylighting can be guaranteed.

The invention provides a flexible transparent conductive film with a hierarchical structure and a preparation method thereof, and relates to the technical field of conductive films. The preparation method comprises the following steps of: obtaining a three-dimensional reticular polymer template by electrospinning; sputtering metal on the polymer template by magnetron sputtering to obtain a metal nano silk screen; transferring the metal nano silk screen to the surface of the flexible transparent substrate, and then placing the flexible transparent substrate in a solvent to remove the polymer template from the m metal nano silk screen to obtain a metal nano film; printing a silver grid circuit layer on the surface of the metal nano film by inkjet printing to obtain the flexible transparent conductive film. The prepared flexible transparent conductive film having a hierarchical conductive network structure has lower electrical resistance and higher stability. The nano silk screen obtainedby electrospinning and magnetron sputtering can make up for the silver grid gap obtained by inkjet printing, thereby enhancing the conductivity of the silver grid gap. Enhancing the conductivity through the composite structure does not significantly affect the light transmission. The method is low in cost, easy to operate, and suitable for large-area roll-to-roll industrial production.

The invention discloses a CNT and silver nanometer wire recombination current expanding layer LED and a manufacturing method thereof. A current expanding layer is composed of a super-aligned CNT and a silver nanometer wire. The CNT and silver nanometer wire recombination current expanding layer LED comprises a substrate, an n-type current limit layer, an active area, a p-type current limit layer and a window layer which are stacked longitudinally in sequence, further comprises a p electrode and an n electrode, and is characterized in that the window layer is paved with the CNT and silver nanometer wire recombination current expanding layer. The LED can enable current to be more evenly diffused to the active area from the electrodes so as to improve the photoelectric conversion efficiency.

The invention discloses a lens. The lens comprises a first lens group, a second lens group, a third lens group, a fourth lens group and an imaging surface, which are sequentially arranged from an object side to an image side; the positions of the first lens group and the third lens group are fixed, and the second lens group and the fourth lens group can move along an optical axis; the lens group satisfies the following conditions: |f3 / f short focus| is greater than or equal to 10 and is less than or equal to 17, and (TTL-D flat plate) / f long focus is greater than 4 and is less than 7, whereinthe f3 represents a focal length of the third lens group, the f short focus represents a system focal length of the lens in a short focus state, and the f long focus represents the system focal lengthof the lens in a long focus state, the TTL represents a total optical length of the lens, and the D flat plate represents the distance between the fourth lens group and the imaging surface. Accordingto the lens provided by the embodiment of the invention, the size and the aperture of a target surface of the lens are increased, the image resolution is relatively high, the image quality obtained in a low illumination scene is better, and the total optical length of the lens is reduced.

The invention provides a preparing method for a transparent adhesive layer of a frame hole region of a mobile phone panel. The preparing method includes the following steps: a protection film is pasted on the back side of the mobile phone panel, optical adhesive dispensing is performed on induction holes on the back side of the mobile phone panel covered with the protection film, the optical adhesives are pressed flat by a pressure block, the adhesives are solidified, and the pressure block and the protection film are removed. The transparent adhesive layer with good smoothness and no bubblescan be prepared, and the subsequent light transmission effect of the induction holes after the film used for hiding the induction holes is pasted on the transparent adhesive layer is effectively guaranteed. In the process of pasting the protection film on the mobile phone panel, the upper surface of the protection film is provided with an auxiliary film, the total thickness of the film layer adsorbed by a film-absorbing plate can be increased, the generation of wrinkle after the film is adsorbed is avoided, the thickness and the stiffness of the film layer are increased, the thickness of subsequent dispensed adhesive is not influenced, the attaching difficulty is reduced, and the quality of the product is also risen.

The invention discloses a light permeable cement plate with a self-cleaning function. The light permeable cement plate is composed of a precast light permeable resin unit used for light guiding, a self-compacted cement mortar base body used as a main body and a super-hydrophobic self-cleaning transparent coating used as a cover surface layer. The precast light permeable resin unit is integrally embedded in the self-compacted cement mortar base body. The contact surface of the precast light permeable resin unit and the self-compacted cement mortar base body needs to be brushed with an interfacemodifying agent to conduct interface enhancement. A preparation method of the light permeable cement plate with the self-cleaning function comprises four process steps of precasting the light permeable resin unit, carrying out interface enhancement through brushing, implanting the cement base body and painting the cover surface coating. The light permeable cement plate with the self-cleaning function has the functions of light transmitting and image developing, day lighting and energy saving and water draining and cleaning. The applying field of the light permeable cement plate with the self-cleaning function covers building design, underground day lighting, interior decoration and the like.

The invention belongs to the technical field of environmental protection, and relates to an air purification device and an air purification system. The air purification device comprises a reactor, a transparent photocatalytic substrate group, a light source and a reflection unit, wherein the transparent photocatalytic substrate group, the light source and the reflection unit are arranged inside the reactor, the transparent photocatalytic substrate group is composed of a plurality of transparent photocatalytic substrates arranged at intervals, the plurality of transparent photocatalytic substrates are arranged in a staggered mode to form a curved airflow channel allowing air to circulate, each transparent photocatalytic substrate is loaded with a photocatalyst material, the reflection unitis arranged in the light lay emission direction of the light source, and the reflection unit can reflect light rays emitted by the light source onto the transparent photocatalytic substrates. The photocatalytic air purification device is provided with tempered photocatalytic glass and a reflective mirror so that the light energy can be utilized to the maximum extent; the S-shaped gas channel is arranged so that the photocatalytic reaction time can be effectively prolonged, and the air purification can be more thorough; the photocatalytic efficiency is high; and compared with a traditional technology, the air purification device and the air purification system have the advantages that the design is scientific and reasonable, the air purification effect is obvious.

The invention discloses a window screening capable of releasing anion and filtering particle matter (PM) 2.5 particles. The window screening comprises a grid cloth with the aperture of 1-3mm and a microfiltration membrane, wherein the grid cloth provides a framework supporting function and is made from any one of polyester, polypropylene, acrylic fibers 6, acrylic fibers, high strength glass fiber, and inflaming retarding aramid fiber, the microfiltration membrane is used for air ventilation and filtration and made of a Teflon material, the aperture of the microfiltration membrane is 0.2-5.0mm, the thickness of the microfiltration membrane is 0.01-0.05mm, the grid cloth and the microfiltration membrane are laminated, the grid cloth faces towards the indoor, and the microfiltration membrane faces the outdoor. The window screening capable of releasing anion and filtering PM 2.5 particles has functions of existing window screenings and is capable of filtering fine particle pollutants in the air and meeting actual use requirements.

The invention provides a sight glass scraper applicable to a container of pharmaceutical equipment. The sight glass scraper applicable to the container of the pharmaceutical equipment comprises an actuator, an upper spring seat, a spring, an outer casing, an outer sealing gasket, an O-shaped sealing ring, a rotary shaft, a scraper support, a scraper, a sealing sleeve and a lower spring seat; the scraper which is installed on the scraper support is closely adhered to the inner surface of a transparent sight glass; one end of the rotary shaft is fixedly connected with the scraper support; the other end of the rotary shaft which passes the sight glass to extend outside the container is fixedly connected with an output shaft of the actuator; a rotary shaft portion which extends outside the container is provided with the outer casing in a sleeving mode; a lower portion of the outer casing is in thread connection with the sealing sleeve; the transparent sight glass is clamped between the outer casing and the sealing sleeve; a moving ring, the upper spring seat, the spring and the lower spring seat are arranged between the rotary shaft and the outer casing. The sight glass scraper applicable to the container of the pharmaceutical equipment has the advantages of rotating closely against the inner surface of the transparent sight glass to scrape dust or water vapor adhered to the inner side due to control of the actuator, being simple in structure, convenient and rapid to operate and guaranteeing the light transmittance performance of the sight glass.