30 results about "Light transmission" patented technology

The present application provides a display assembly, a display device, and a driving method thereof, and relates to the technical field of displaying. Light leakage can be overcome. The display assembly comprises a display panel comprising an array substrate and an opposite substrate, the display panel further comprises a display area which comprises a pixel area, a light transmission area, and alight shading area. The side, away from the opposite substrate, of the array substrate is provided with a first light shading pattern which is located in the light shading area and disposed around thelight transmitting area.

The invention provides an OLED display panel and a manufacturing method thereof, and an OLED display device. The OLED display panel comprises a back plate, a substrate, a driving circuit layer, a light-emitting function layer and a packaging layer, wherein the substrate is arranged on the back plate; the driving circuit layer is arranged on the substrate; and the light-emitting function layer is arranged on the driving circuit layer, the packaging layer is arranged on the light-emitting function layer, and a sum of thicknesses of the back plate and the substrate in an electronic element setting area corresponding to an electronic element setting position is smaller than the sum of the thicknesses of the back plate and the substrate in other areas. In the invention, the thickness of at least one layer of the substrate and the back plate in the electronic element setting area is reduced so that light transmittance of the electronic element setting area is increased, an under-screen camera area is normally displayed, an under-screen camera is realized without digging a hole, a screen-to-body ratio is improved, and a technical problem that a display effect is influenced due to a fact that the under-screen camera area of the existing OLED display panel needs hole digging is solved.

The invention provides a manufacturing method of a high-hardness plastic screen and a high-hardness plastic housing of a mobile phone, and a mobile phone screen and a mobile phone housing manufactured by the manufacturing method. The manufacturing method comprises the following steps: performing secondary compressing and forming to obtain a base plastic material; cleaning and drying the base plastic material through electrostatic eliminated drying gas for the first time; soaking in an adhesive for the first time; cleaning and drying the base plastic material covered with the adhesive through the electrostatic eliminated drying gas for the second time; soaking in enhanced liquid containing silicide, nanometer aluminum oxide and corundum for the second time; roasting; hardening; trimming. The product manufactured by the method is free of rainbow-like marks, high in light transmission rate, and high in density; the hardness of the product is up to 9H, and is equal to or beyond that of a traditional glass screen; in addition, the product is hard to break, so that the product can completely replace glass to be used as the screen of the mobile phone; compared with a glass material, the plastic is low in price, so that the cost of the mobile phone screen manufactured through the plastic is low, and as a result, the use cost of a user can be decreased.

A transparent polyimide film, prepared from a copolymerized polyamide acid according to a chemical cyclization method, is provided. The copolymerized polyamide acid requires at least a semi-aromatic polyamide acid, and the semi-aromatic polyamide acid is formed by reacting cyclobutane-1,2,3,4-tetracarboxylic dianhydride (CBDA) and 2,2′-bis(trifluoromethyl)diaminodiphenyl (TFMB). The molar number of dianhydrides of the semi-aromatic polyamide acid is more than 20% of the total molar number of anhydrides of the copolymerized polyamide acid, so that the transparent polyimide film has a light transmittance greater than 80%, a chroma b* less than 5, and a CTE less than 35 ppm/° C.

The invention discloses an operating lamp, and a light transmission cover and light spot regulation method of the operating lamp. The operating lamp comprises a light source, a housing, and a light transmission cover in front of the light source, wherein the light transmission cover includes a front cover and a back cover, at least one surface of the front cover is curved, at least one surface of the back cover is curved, the operating lamp further comprises a regulation device, and the relative position of the front and back covers is changed by the regulation device. The inventive operating lamp needs no control on the lamp base or internal illuminating devices, simplifies the internal structure, improves the reliability and can easily change the irradiation range.

The invention provides an all-optical threshold device based on two-dimension material saturated absorption effect. The device comprises an optical amplifier arranged in the light transmission direction, and a saturable absorber connected with the optical amplifier, wherein the saturable absorber comprises an optical waveguide and a two-dimensional material covering the surface of the optical waveguide. The device is quite simple in structure, non-linear optical fiber or non-linear PPLN semiconductor devices are not needed, and the defects of the prior art that loss is large, stability is poor and cost is high are overcome. By the adoption of the device, the signal to noise ratio of received signals is increased, signal quality is improved, and the reception judgment performance of an optical communication system can be improved. The invention further provides a method for preparing the all-optical threshold device. The method comprises the steps of coating the surface of the optical waveguide with the two-dimensional material to form the saturable absorber, and connecting the optical amplifier with the saturable absorber through optical fiber to form the all-optical threshold device based on two-dimension material saturated absorption effect. The all-optical threshold device can be used for all-optical signal processing.

There is disclosed an optical disk constituted by covering an information recording layer formed on a substrate with a cover layer having a light transmission property, in which ranges of a thickness t and a refractive index n of the cover layer are defined. That is, a function f(n) which is not a constant regarding the refractive index n of the cover layer, and constants t1, t2 determined based on an allowable value of an aberration in the cover layer are used to set the ranges of the thickness t of the cover layer to a range of f(n)−t1≦t≦f(n)+t2.

The invention discloses a snail control method for citrus. The method includes the following steps that 1, pruning is reasonably conducted, hanging branches making contact with the ground are cut off,accumulated water is removed, branch thinning is properly conducted, and ventilation and light transmission are conducted; 2, the trunks of the citrus are coated to be white or lime is spread on theground before the citrus is harmed; 3, chickens and ducks are fed outside for eating snails, or people manually remove the snails; 4, a pesticide is used for prevention, wherein 5-10% copper sulfate or 1-5% salt solution is used for spraying tree disks and trunks in the morning or in the evening, 0.5-0.6 kg of 6% tetramethylaldehyde granules and 10-15 kg of dry fine soil are mixed and then uniformly spread in each mu of a field or around trees, 6% tetramethylaldehyde particles are adhered to tape and then the tape wraps the portions, 20 cm away from the ground, of the trees. The method can effectively prevent the snails, leaves and fruits of the citrus do not suffer from damage, the appearance of the fruits is ensured, the selling value of the citrus is thus improved, and loss is reduced.

The invention belongs to the technical field of optical functional materials. A mixture system of a diimonium salt dye and a polyacrylate pressure-sensitive adhesive which contains alkoxy acrylate and has good compatibility with the diimonium salt dye is used, and a conventional coating preparation technology is used. The invention relates to a near infrared blocking membrane which is a single layer structure, and comprises a substrate, an adhesive glue film and an isolation film, the adhesive glue film thickness is between 5 ~ 50 mum, and an adhesive glue film coating liquid includes at least the following components by mass: 100 parts of the polyacrylate pressure-sensitive adhesive containing 9% ~ 50% of alkoxy acrylate, 0.5-10 parts of diimonium salt and 0.1-10 parts of a curing agent. The preparation method also includes curing process, and the curing conditions are 40-70 DEG C, 30-60% of RH, and 24-168 hours. The near infrared blocking membrane has good visible light region light transmittance, lower near infrared region light transmittance, and good stability of spectral integral blocking effect, and is applicable to the fields of electronics optical instruments and the like with shielding requirements on near infrared. The preparation method is simple in process and easy in operation and control, and production efficiency and rate of good product are high.

The invention relates to a photocatalytic self-cleaning coating as well as a preparation method and application thereof, the photocatalytic self-cleaning coating is prepared from a photocatalytic material, a nano SiO2 film forming material, a coating regulator and a solvent, and is characterized by being prepared from the photocatalytic material, the nano SiO2 film forming material, the coating regulator and the solvent, a film layer formed by coating has photocatalytic self-cleaning, anti-reflection and anti-reflection and surface hardening functions; the coating comprises the following components in percentage by mass: 0.2%-2% of a photocatalytic material, 3%-8% of a nano SiO2 film forming material, 0.01%-0.2% of a coating regulator and 90%-95% of a solvent, the photocatalytic material is a composite material of carbon, nitrogen and phosphorus doped nano TiO2 and phosphorus doped active g-C3N4, and is formed by polymerizing and activating a mixture of carbon, nitrogen and phosphorus doped nano TiO2 gel, urea, melamine and phosphoric acid and performing ultrasonic stripping in an ethanol solvent; the nano SiO2 film forming material is acidic hydrosol of methyl silicone resin and tetraethoxysilane. The photocatalytic self-cleaning coating disclosed by the invention can prevent the surface of solar cell glass from being polluted, and the light transmittance and the surface hardness are improved.

The invention relates to the technical field of coatings, and concretely relates to a photovoltaic glass panel surface layer anti-damping coating and a preparation method thereof. The photovoltaic glass panel surface anti-damping coating comprises, by weight, 8-20% of fluorosilicone copolymer resin, 5-12% of silica, 2-8% of a dispersant, 1-5% of a penetrant, 0.5-2% of an antifoaming agent, 1.5-5% of a leveling agent, and the balance of a diluent. The photovoltaic glass panel surface anti-damping coating has a water repellency reaching 95%, has a great water contact angle reaching 130 DEG or more and has a rolling angle being less than 20 DEG, so the coating has a good self-cleaning ability and a light transmittance of 98% or more under rain erosion, and also can guarantee the photovoltaic conversion rate on the premise of a self-cleaning effect. The preparation method of the photovoltaic glass panel surface anti-damping coating has the advantages of simplicity, low cost and high efficiency.

The invention belongs to the technical field of solar panels, and especially relates to a high-light-transmittance ultra-white figured glass and a preparation process thereof. The purpose of the invention is to solve the problem that an existing solar module is short in service life. The high-light-transmittance ultra-white figured glass comprises main materials and auxiliary materials, the main materials comprise SiO2, CaO and a mixture, the auxiliary materials comprise MgO, Al2O3, Fe2O3, Sb2O3, SO3 and CeO2, and the mixture is prepared by mixing Na2O and K2O. The use amount of antimony oxideand the use of cerium oxide are increased on the basis of the original raw materials of ultra-white glass, parts of ultraviolet rays are shielded after cerium oxide is added, a small amount of generated power is reduced, and the aging of the upper EVA and the lower EVA of a vacuum laminated battery piece of the solar module can be delayed, thereby the service life of the whole solar module can bewell prolonged; and the visible light transmittance is improved after antimony oxide is increased, so the defect that the transmittance of a solar spectrum curve is reduced due to the fact that cerium oxide is added in advance and then parts of ultraviolet rays are shielded is overcome.

The invention discloses a wafer-level packaging method of a semiconductor device and belongs to the technical field of semiconductor packaging. The method comprises the steps that a silicon wafer is taken; arraying of an insulation layer, a conducting electrode, a silicon through hole, a re-wiring metal layer and the like is completed on the silicon wafer through a wafer-level silicon substrate adapter plate, and an inversion zone is reserved for an LED chip; the LED chip is arranged inversely to the inversion zone; a light transmission layer covering the LED chip is formed, and the surface of the light transmission layer is subjected to roughening; and the silicon wafer obtained after packaging is cut into packaging bodies of single semiconductor devices. According to the wafer-level packaging method of the packaging structure of the semiconductor device, the wafer-level silicon substrate adapter plate technology and the surface roughening technology are used for forming the packaging structure of chips with the same size, size is small, a heat resistance value is low, cost is low, and brightness is high.

The invention discloses a method for manufacturing a dielectric layer of a front substrate of a shadow mask plasma display panel, which comprises the following steps: coating dielectric paste on a display area of a glass substrate (1) distributed with electrode wires and firing the dielectric paste at low temperature to obtain a nontransparent dielectric layer (6), coating a dry film with light sensitive characteristic on the dielectric layer (6), and manufacturing mask figures (7) on the dry film by photoetching technology; and forming the dielectric layer (6) with the figures by selectively etching a dielectric material and the mask figures (7) through adopting a sand blasting process, wherein the dielectric figures only cover two sides and top end of the electrode wires on the display area of the panel. The method for manufacturing the dielectric layer of the shadow mask plasma display panel has the advantages of having low production cost, no need of high-temperature firing, good voltage-proof performance and high transmittance, and weakening panel yellowing.

The invention belongs to the technical field of rubber injection forming, relates to a production technology for manufacturing a precise transparent parts with a high-strength requirement on an edge by utilizing low-pressure injection forming and edge extrusion forming, and concretely relates to an injection-extrusion integration forming method for transparent parts edge enhancement. According tothe injection-extrusion integration forming method for transparent parts edge enhancement provided by the invention, technical advantages of high optical quality of low-pressure injection forming andan orientation enhancement structure manufactured by edge extrusion are synthesized, the two processes are organically combined through a set of mold, an edge extrusion module of the mold is utilizedfor realizing the functions of local temperature control, extrusion action and the like, and forced orientation and structuring forming of a macromolecular chain are accomplished, so that an edge enhancement effect of the product is further achieved, the formed transparent parts has the advantages of high light transmission, high precision, an edge enhancement function and the like, enhancement processes such as secondary edge processing, adhering and after-treating of the transparent parts are saved, the working procedure is simple, the operation can be carried out conveniently, the production cycle of the product is shortened, the development cost is reduced, and a comprehensive performance and the service life of the transparent parts are improved.

The invention discloses a colored electroluminescence wire, which comprises a central electrode wire, an inner insulating layer, a luminous layer, a light-transmitting conductive layer, an auxiliary electrode wire, a transparent layer, a colored silk mesh layer and a transparent outer insulating layer, and the central electrode wire It includes at least one linear conductor, the insulating layer covers the central electrode wire, the light-emitting layer covers the insulating layer, the light-transmitting conductive layer covers the light-emitting layer, the auxiliary electrode wire is wound around the periphery of the light-transmitting conductive layer, and the transparent layer is wrapped with an auxiliary electrode wire. The light-transmitting conductive layer of the electrode wire and the colored silk mesh layer are cross-woven by several thread bodies on the periphery of the transparent layer, and the transparent outer insulating layer covers the colored silk mesh layer. The invention has low power consumption, long luminous time, long service life, solid durability, safety and environmental protection; it can be bent into various geometric shapes and patterns, and various colors can be selected; in addition, the invention has a wide range of applications and can be used for housings and automobiles. Interior and exterior decoration, as well as advertising, entertainment venues, toys, handicrafts, exterior decoration of electrical equipment, etc.

The invention provides an intelligent curtain system, which relates to the field of intelligent control, and comprises a plurality of electric curtains arranged in a window in parallel, a first temperature sensor and a first light brightness sensor arranged outside the window, and a second temperature sensor and a second light brightness sensor arranged in the window, the controller is electrically connected with the first temperature sensor, the first light brightness sensor, the second temperature sensor, the second light brightness sensor and the electric curtain and comprises a setting module and a control module, and the control module is used for setting the setting module according to indoor and outdoor temperature detection data and light brightness detection data. And comparing with a light brightness standard value and a temperature standard value, and selecting the electric curtain corresponding to the light transmission parameter and the heat insulation parameter by combining the weight value, so as to carry out comprehensive control on the electric curtain. The problems that in the prior art, an intelligent curtain can only solve the shading problem, and the indoor environment cannot be optimal through comprehensive control over the curtain are solved.

Present invention discloses a method of producing a local illumination patch cord and the corresponding patch cord, based on the technology of a multi-fiber optic cable, from the entrance of supplies till the final product—the local illumination patch cord. Among various available cables, none of those on which tests were carried out met the following final product requirements: flexibility, light efficiency, and decrease of factors affecting its resistance, namely the heat. In opposition to the current accessories available in the market, present invention decentralizes the thermal filter from the cable to the coupling, enabling heat dissipation before entering the illumination cable. Regarding the luminous efficiency, present invention defines a technique with a more effective manner of aggregating the multi-fibers of the cable, with significant savings in production times, and raises polishing quality to the highest level of light transmission.

The invention discloses a material extrusion type 3D printing method, and relates to the technical field of additive manufacturing, and the material extrusion type 3D printing method comprises the following steps that a supporting material and printing slurry are prepared separately, the printing slurry is inorganic non-metal resin-based slurry or metal powder resin-based slurry, so that the printing slurry is suspended in the supporting material, and the supporting material is prepared; the solid content of the printing slurry is greater than or equal to 40%; a supporting material is loaded into a container, and the container loaded with the supporting material is placed on a printing platform; printing slurry is extruded from the supporting material in the container through a 3D printer based on a preset target design model; and determining a target curing treatment mode according to the light transmission of the support material, and performing curing treatment on the printing slurry according to the target curing treatment mode to obtain a target model. The technical problem that in the prior art, due to limitation of material extrusion type 3D printing on printing materials, the performance of the printing materials is poor is solved.

The invention relates to a metal barrier layer, which is a film layer containing at least one active metal ion of Ca, Mg, Al, Mn, Zn, Cr, Fe, Ni, Sn, Sb and Bi, wherein the thickness of the metal barrier layer is 1-30 nm, and the metal barrier layer has light transmission. The invention further discloses a perovskite solar cell using the metal barrier layer, and a preparation method of the perovskite solar cell. According to the invention, the metal barrier layer effectively prevents the metal on the upper layer from permeating to the lower layer to react with perovskite, delays the decomposition of the perovskite film, effectively reduces the chemical corrosion of perovskite to the top metal back electrode, improves the stability of the solar cell, and solves a technical problem that the perovskite solar cell is lower in stability in the air.

A light emitting device that includes a radiation emitter. The radiation emitter includes an emissive substrate which emits radiation. The device further includes an attenuating layer formed by annealing a layer of a different material with the substrate. An array of light transmission channels which are sized to suppress infrared radiation during operation of the light emitting device, extend into the attenuating layer.

The invention discloses a portable breast milk analyzer. The analyzer includes a casing provided with a display; an infrared light source transmitter, a single-chip microcomputer circuit board whose circuit is an analog circuit and a signal acquisition board are arranged in the casing; the single-chip microcomputer circuit board is provided with a photosensitive device; the signal acquisition board is provided with a signal processor; and the casing is provided with a groove, the side wall of the groove is made of light transmission materials, and the groove is arranged between the infrared light source transmitter and the photosensitive device. The beneficial effects of the analyzer are that the analyzer is reasonable in design, simple in structure, small in size, convenient to carry andshort in detection period; the analyzer adopts an open liquid adding manner so that inputting through pipelines is not needed, and cleaning is also not needed; and therefore, cross contamination can be avoided, and measuring precision can be enhanced.

The invention provides a shielding window mounting structure and an electromagnetic information safety protection display, and belongs to the technical field of electromagnetic information safety protection. The invention can solve the technical problems of Moire fringes and poor light transmittance of a low-emission display in the prior art. The shielding window mounting structure comprises shielding glass and a shielding shell, wherein the shielding shell comprises a shielding front shell and a shielding rear shell connected with the shielding front shell through sunk screws, an installationstructure is arranged on the shielding front shell, the shielding glass can be installed on the shielding front shell in an attached mode through the installation structure, the shielding glass is provided with a conductive layer, and the four edges of the shielding glass are wrapped with conductive copper foils. The shielding glass with the conductive layer is adopted, so that the transmittanceof the display is greater than 80%, and no Moire phenomenon exists; and secondly, the shielding window mounting structure can enable the shielding glass to be stably and reliably mounted in the shielding shell.

The invention discloses uniform light-transmitting PVC artificial leather and a preparation method thereof. The uniform light-transmitting PVC artificial leather comprises a surface treatment layer, a light-transmitting layer, a light guide layer, a pattern layer, a bonding layer and a base cloth layer, the light guide layer is prepared from PVC paste resin, a plasticizer, a heat stabilizer, a light diffusant and a flame retardant as raw materials; comprising the following steps: coating release paper with light-transmitting layer slurry, coating the light-transmitting layer with light-guiding layer slurry, pasting a pattern layer on the light-guiding layer, coating the pattern layer with adhesive layer slurry, and pasting a base cloth layer to obtain a semi-finished artificial leather product; and then, roller-coating the surface treatment layer slurry on the light-transmitting layer of the semi-finished artificial leather. The light-transmitting artificial leather can uniformly transmit light under illumination, and has a more uniform light-transmitting effect compared with a traditional material, so that the problem that a uniform and soft light-transmitting effect cannot be realized due to non-uniform light transmission of existing light-transmitting artificial leather is solved.

The invention discloses a preparation method of antibacterial high-strength glass, which comprises the following steps: (1) cleaning a glass substrate, and then putting the glass substrate into a drying oven for drying; (2) heating and melting potassium nitrate to prepare potassium nitrate molten salt; (3) preheating the glass substrate and then rapidly and completely immersing the glass substrate into the potassium nitrate fused salt for ion exchange; (4) taking out the glass substrate after the exchange is completed, cooling, and then cleaning and drying; (5) mixing potassium nitrate and silver nitrate, heating and melting to prepare mixed molten salt; (6) preheating the glass prepared in the step (4), and rapidly and completely immersing the glass into the mixed molten salt for ion exchange; and (7) taking out the glass prepared in the step (6), cooling, cleaning, and drying in a drying furnace to obtain a finished product. The antibacterial high-strength glass prepared by adopting an ion exchange technology is simple in process and relatively low in cost, large-scale production can be realized, and the produced glass is high in strength, good in antibacterial property and good in light transmittance.

The invention discloses a method for preparing an acrylic thick plate by utilizing water bath cooling. The method is characterized by comprising the following steps: (1) prepolymerization pulping, (2)degassing, (3) discharging and injecting, (4) water bath polymerization, (5) demolding, (6) splicing and (7) drying room shaping. An organic glass plate obtained according to the formula disclosed bythe invention is good in transparency, the relative density is smaller than half of that of common glass, the crushing resistance is several times higher than that of the common glass, and the organic glass plate has good electrical insulating property and mechanical strength. According to the acrylic thick plate obtained through the method, the thickness is larger than 100 mm, and the light transmittance reaches 92% or above.

The present invention provides ingestible dosage form articles such as opaque capsules with reduced light transmittance.