47results about How to "Strong transmittance" patented technology

The invention relates to a novel 3D (three dimensional) optical stereoscopic membrane and a preparation method thereof. The 3D optical stereoscopic membrane can be attached on a display screen of portable equipment, so that the naked 3D effect of light rays is realized through the optical transmission of the 3D optical stereoscopic membrane. The 3D optical stereoscopic membrane comprises a transparent membrane material layer and a slit grating layer on the transparent membrane material layer, wherein the transparent membrane material layer contains zinc oxide nanoparticles; and the slit grating layer is prepared from electronic ink. With the application of the zinc oxide nanoparticles, the transmittance of the transparent membrane material layer is increased, the viewpoint width of the 3D optical stereoscopic membrane is increased, and the double image degree is lowered. Therefore, the 3D display effect is enhanced.

The invention discloses a microwave desalination device for strong brine. The microwave desalination device for strong brine is used for desalinating strong brine by using microwaves. The device comprises a microwave generating area, a heating vaporization area and a condensation area, wherein a microwave radiator is arranged in the microwave generating area of the device; the heating vaporization area consists of a vapor-water separator, a spraying system, a bottom face, a reflecting face and a shell body; and a cooler is arranged in the condensation area. The device is provided with a vapor pipe, a strong brine heating pipe, a strong brine inlet, a desalinated water outlet, a supersonic wave inlet, at least two vacuumizing ports, at least one cleaning inlet, at least one cleaning outlet, at least one compressed air inlet and at least one crystal outlet. Through applying the microwave desalination device for strong brine to a strong brine system, the heat-transfer conversion efficiency can be increased by effectively utilizing the characteristics of the microwaves; and meanwhile, the investment and operating costs are saved, and breakthroughs are made in industrial zero emission and seawater desalination.

The invention discloses an optically-controlled three-dimensional (3D) optical diaphragm and a preparation method thereof. The optically-controlled 3D optical diaphragm is attached onto any display device capable of displaying a three-dimensional image, and image information with parallax of a left eye and a right eye can be split to the left eye and the right eye of a person to form naked-eye free three-dimensional display. The optically-controlled 3D optical diaphragm comprises a transparent diaphragm material layer and a photochromic grid bar, wherein the transparent diaphragm material layer is doped with zinc oxide nano particles 1,8-diiodooctane additive, the photochromic grid bar is transparent under the non-ultraviolet radiation to display two-dimensional information, the photochromic grid bar turns mazarine under the ultraviolet radiation to realize the grating effect and display the three-dimensional information, through the zinc oxide nano particles in the transparent diaphragm material layer, the transmission rate of the transparent diaphragm material layer is increased by utilizing an optical principle, the viewpoint width of the 3D display is increased, the double-image of the 3D display can be reduced, the 1,8-diiodooctane additive optimizes the dispersibility and uniformity of the zinc oxide nano particles, and the 3D display effect is finally enhanced.

The embodiment of the invention provides an emergent light side substrate of a mirror display device, a production method thereof and the mirror display device, relates to the technical field of display, and can improve the transmittance of the mirror display device and improve the image display effect. The emergent light side substrate of the mirror display device comprises a substrate, and further comprises a reflecting film arranged on the substrate; the reflecting film is divided into a transmissive zone and a reflective zone; the transmissive zone is micro-sized; the transmissive zone part of the reflecting film is light-transmittable; the reflective zone part of the reflecting film is used for reflecting external light. The emergent light side substrate is applied to the mirror display device.

The invention discloses a method for recycling germanium from high-silicon-content optical fiber production waste. The method comprises the following steps that (1) the high-silicon-content and germanium-containing optical fiber production waste is ground till the number of holes is 100 or above,, and then a vulcanizing agent is added and uniformly mixed to prepare particles with the diameters of1-5 mm; (2) sulfidingvolatilization is carried out on the germanium, and the germanium sulfide volatilization smoke dust is collected, or the mixed volatilization smoke dust of the germanium sulfide and germanium dioxide is collected; (3) the obtained germanium-containing smoke dust is subjected to microwave oxidation roasting or oxidation roasting in other forms, or is subjected to sulfuric acidoxidation leaching directly; (4) the high-germanium-content microwave oxidation roasting product is directly subjected to hydrochloric acid chlorination distillation so as to obtain germanium tetrachloride to be subjected to hydrolyzation, and thus a germanium dioxide concentrate is obtained; and (5) sulfuric acid oxidation leaching is carried out on the low-germanium-content materials in the step(2) and the step (3), wherein a leaching solution adopts tannin or an organic solvent to precipitate or extract the enriched germanium and to produce the germanium concentrate. The method can be usedfor extracting and separating the germanium and the silicon from the materials containing 95% or above of the silicon at high efficiency and low cost.

The invention discloses multi-crystal-nucleus composite transparent glass ceramic and a preparation method thereof. The preparation method of the multi-crystal-nucleus composite transparent glass ceramic comprises the following steps that: S1, multiple nucleating agents are added during glass melting; S2, plain glass with a certain boundary dimension is obtained after processing; S3, the plain glass obtained in S2 is placed under the condition that the temperature is T1 and heated for 1-6 hours for annealing treatment, after annealing treatment is completed, the plain glass is placed under thecondition that the temperature is T2 and is heated for 1-6 hours and subjected to nucleation treatment, after nucleation treatment is completed, the plain glass is placed under the condition that thetemperature is T3 and heated for 0-3 hours for crystallization treatment, and T1 is smaller than T2. According to the invention, the glass ceramic containing various crystal nucleuses and crystal phases of lithium disilicate and petalite is prepared, the nucleation and crystallization energy required by the crystal precipitation is reduced through the multiple crystal nucleuses, the heat treatment temperature and the heat treatment time can be reduced, the crystal ratio can be adjusted, and the glass ceramic prepared through the preparation method has characteristics of enhanced damage resistance, good fracture toughness and wide application range.

The pipeline liquid yawp assistant measuring equipment relates to barrel sound transmission water tank. There is joining slot on its bottom, and the joining slot tallies with pipe under test and sealed connects with outside pipe wall. Hydrophone suspends in the sound transmission water tank. It can eliminate infection to measure water yawp by the pipe liquid pressure flutter and directly measure the sound signal in pipe to solve the problem to pick up water signal in the mixing liquid coming from pipe pressure flutter and water yawp signal. It is important to research the yawp of the inner liquid and rule for changing and diffusing, and the dropped yawp and concealed body of the boat. It is fit for testing pipe liquid yawp to existing and built pipe. The sound absorption layer inside the sound transmission water tank reduces the reflect effect of sound wave and keep the linearity and veracity to the measuring data.

The invention provides a preparation method of a high-strength anti-dazzling coating layer. A formula comprises a shells, methyl methacrylate, gamma-methacyloxypropyltrimethoxylsilane, an ethanol solvent, benzyl peroxide and nano titanium oxide; the preparation method of the coating layer comprises the steps that the shells are placed into a ball milling machine to be milled; the methyl methacrylate, the gamma-methacyloxypropyltrimethoxylsilane, the ethanol solvent, the benzyl peroxide and a tetraethoxysilane solution are added to a reactor to perform reaction; shell powder and a mixed solution are mixed, aerated and stirred; other components are added to an icy water bath; spraying and roasting are conducted to obtain the high-strength anti-dazzling coating layer. The high-strength anti-dazzling coating layer has the advantages of better hardness and substrate adhesion force, the service life of the coating layer is prolonged which the protecting effect on a substrate can be enhancedby the powerful wear resistance and anti-impacting performance of the coating layer, the anti-dazzling effect is strong, the permeable rate of a visible light is high, and the quality of a product isimproved.

The invention discloses a display panel and a display device. The display panel comprises a first polaroid, a liquid crystal display panel and a second polaroid. A display area of the liquid crystal display panel comprises a plurality of sub-pixels. The sub-pixels comprise first color sub-pixels and second color sub-pixels. The transmittance of the second color sub-pixels is smaller than that of the first color sub-pixels. The display area comprises a fingerprint identification area, and the fingerprint identification area comprises a plurality of photosensitive units. The photosensitive unitsare arranged in the non-opening areas of the sub-pixels. A first absorption axis of the first polaroid is arranged along a first direction, a second absorption axis of the second polaroid is arrangedalong a second direction, and the photosensitive units are arranged in the non-opening areas of the first color sub-pixels along the first direction; or, the first absorption axis is arranged along the second direction, the second absorption axis is arranged along the first direction, and the photosensitive units are arranged in the non-opening areas of the second color sub-pixels along the firstdirection. According to the technical scheme provided by the invention, the problem of relatively low fingerprint identification accuracy of the liquid crystal display screen can be solved.

The invention relates to the technical field of artificial turfs, in particular to a non-contact permanent antibacterial artificial turf and a manufacturing process thereof. The artificial turf comprises gum and artificial grass silk, the gum and the artificial grass silk respectively contain inorganic antibacterial powder, and the inorganic antibacterial powder is composed of talcum powder and lanthanide series rare earth oxide; the lanthanide series rare earth oxide is a trace element, the inorganic antibacterial powder can radiate electromagnetic waves with the frequency of 0.4 THz-2. 0THz under the irradiation of heat rays, and the inorganic antibacterial powder of the artificial turf can effectively sterilize in a manner of not contacting bacteria and has the advantage of permanent antibacterial property.

The invention relates to a novel 3D (three-dimensional) optical diaphragm and a preparation method. The 3D optical diaphragm can be attached to a portable equipment display screen; screen ray is subjected to the optical transmission of the 3D optical diaphragm to realize the naked eye 3D effect; the 3D optical diaphragm comprises a transparent diaphragm material layer and a slit grating layer on the transparent diaphragm material layer, wherein the transparent diaphragm material layer comprises zinc oxide nano-particles and 1,8-diiodooctane additive; the slit grating layer is prepared from electronic ink; the transmittance of the transparent diaphragm material layer is increased by the zinc oxide nano-particles; the viewpoint width of the 3D optical diaphragm is improved; the double image degree is lowered; the dispersibility and the evenness of the zinc oxide nano-particles are improved by the 1,8-diiodooctane additive; and finally, the 3D display effect is enhanced.

The invention discloses a preparation method of a high-strength nano cellulose-nano aramid fiber composite film. The preparation method comprises the steps of mixing TEMPO oxidized nano cellulose dispersed in dimethyl sulfoxide with a nano aramid fiber dispersion, then protonating the nano aramid fiber, carrying out ultrasonic treatment on the mixed solution, and finally carrying out vacuum filtration and hot pressing treatment to obtain the high-strength composite film. The nano cellulose-nano aramid fiber composite film has high strength, the maximum tensile force of the nano cellulose-nano aramid fiber composite film can reach 344.43 MPa, and the toughness of the nano cellulose-nano aramid fiber composite film can reach 72.99 MJ / m < 3 >. Meanwhile, the TEMPO oxidized nanocellulose is relatively small in size, relatively low in length-diameter ratio and excellent in dispersing performance, so that the transparency of the film is effectively improved after the TEMPO oxidized nanocellulose is added. The application range of the nanocellulose is expanded, and an idea is provided for development of high-strength and high-toughness materials.

The invention relates to the technical field of artificial turfs, in particular to an artificial turf with terahertz frequency electromagnetic waves and a manufacturing process thereof. The artificial turf comprises quartz powder-loaded lanthanide series rare earth oxide, and gum and artificial grass silk in the artificial turf respectively contain the quartz powder-loaded lanthanide series rare earth oxide. The quartz powder loaded lanthanide rare earth oxide is composed of 99%-99.9% of quartz powder and 0.1%-1% of lanthanide rare earth oxide, and the frequency of the terahertz frequency electromagnetic wave is 0.3 THz-2. 5 THz. The artificial turf can effectively degrade harmful gases such as formaldehyde, benzene, hydrogen sulfide and ammonia gas in the artificial turf, and has the advantages of being good in removal effect, long in time effect and free of pollution.

The invention discloses a rare-earth-ion-doped Cs2LiGdBr6 microcrystalline glass and a preparation method thereof. The microcrystalline glass is composed of the following components in percentage by mole: 2 55-75 mol% of P2O5, 15-25 mol% of BaF2, 5-6 mol% of La2O3 and 5-14 mol% of Cs2LiLa(1-x)LnxBr6, wherein x=0.01-0.1, and Ln is Ce<3+>, Eu<3+>, Tb<3+>, Pr<3+> or Nd<3+>. The preparation method comprises the following steps: preparing P2O5-BaF2-La2O3-Cs2LiLa(1-x)LnxBr6 glass by a fusion process, and carrying out heat treatment to obtain the transparent Cs2LiLaBr6 microcrystalline glass. The Cs2LiLaBr6 microcrystalline glass has the advantages of deliquescence resistance, favorable mechanical properties, higher short-wavelength blue-violet light transmission rate, high flare light emission output, favorable energy resolution and the like. The preparation method of the microcrystalline glass is simple and lower in production cost.

The invention discloses a rare-earth-ion-doped Cs2LiLuCl6 microcrystalline glass and a preparation method thereof. The microcrystalline glass is composed of the following components in percentage by mole: 35-45 mol% of P2O5, 10-20 mol% of GeO2, 17-25 mol% of NaF, 6-9 mol% of Lu2O3 and 14-20 mol% of Cs2LiLu(1-x)LnxCl6, wherein x=0.05-0.2, and Ln is Ce<3+>, Eu<3+>, Tb<3+>, Pr<3+> or Nd<3+>. The preparation method comprises the following steps: preparing P2O5-GeO2-NaF-Lu2O3-Cs2LiLu(1-x)LnxCl6 glass by a fusion process, and carrying out heat treatment to obtain the transparent Cs2LiLuCl6 microcrystalline glass. The Cs2LiLuCl6 microcrystalline glass has the advantages of deliquescence resistance, favorable mechanical properties, higher short-wavelength blue-violet light transmission rate, high flare light emission output, favorable energy resolution and the like. The preparation method of the microcrystalline glass is simple and lower in production cost.

The invention discloses a rare-earth-ion-doped Cs2LiGdBr6 microcrystalline glass and a preparation method thereof. The microcrystalline glass is composed of the following components in percentage by mole: 65-75 mol% of TeO2, 8-11 mol% of Nb2O5, 5-16 mol% of ZnF2 and 10-14 mol% of Cs2LiLu(1-x)LnxBr6, wherein x=0.05-0.2, and Ln is Ce<3+>, Eu<3+>, Tb<3+>, Pr<3+> or Nd<3+>. The preparation method comprises the following steps: preparing TeO2-Nb2O5-ZnF2-Cs2LiLu(1-x)LnxBr6 glass by a fusion process, and carrying out heat treatment to obtain the transparent Cs2LiLuBr6 microcrystalline glass. The Cs2LiLuBr6 microcrystalline glass has the advantages of deliquescence resistance, favorable mechanical properties, higher short-wavelength blue-violet light transmission rate, high flare light emission output, favorable energy resolution and the like. The preparation method of the microcrystalline glass is simple and lower in production cost.

The invention provides an organic light-emitting device comprising a conductive anode substrate, a hole injection layer, a hole transport layer, a luminescent layer, an electron transport layer, an electron injection layer and a composite cathode layer. The above-mentioned layers are successively laminated. The composite cathode layer includes a first metal layer, a doping layer, and a second metal layer, wherein the layers are successively laminated. Materials used by the first metal layer and the second metal layer are selected from silver, aluminum, platinum or gold; the doping layer is made of a mixing material formed by an organosilicone micromolecule material doped with VB group metallic oxide, wherein the organosilicone micromolecule material can be diphenyl di (o-tolyl) silicon, p-di(triphenylsilyl) benzene, 1,3-bis(triphenylsilyl)benzene or p-bis (triphenylsilyl)benzene and the VB group metallic oxide can be tantalum pentoxide, vanadium pentoxide, or niobium pentoxide. Because of the composite cathode layer, the light can be scattered, thereby improving the luminous efficiency of the device. In addition, the invention also provides a preparation method of the organic light-emitting device.

The invention discloses an underwater quenching method for a thin steel plate. The method comprises the following steps: polishing, cleaning and decontaminating the surface of a matrix; and standing the pretreated matrix in a water tank, completely immersing the upper surface of the matrix in water, scanning the surface of the matrix by using a blue / green laser with the wavelength range of 400-600nm, and meanwhile, adding a side blowing device to blow away water vapor generated in the laser quenching process in time. According to the method, the laser penetrates through a water layer to irradiate the upper surface of the steel plate, the temperature of the thin steel plate is rapidly increased to increase the surface temperature of the material to be the austenite transformation temperature or above, heat of the machined position of the surface of the thin steel plate is absorbed by the water layer on the upper surface of the thin steel plate, and cooling water absorbs heat to be severely vaporized to take away a large amount of heat, then, the thin steel plate is rapidly cooled, accordingly, the requirement for the hard outside and tough inside of the thin steel plate is met, and the thermal influence on the matrix part is reduced.

The invention discloses a use method of a large-format glass ultrafast picosecond laser cutting machine. The use method comprises the following specific steps that S1, a driving assembly drives glassto be cut to move towards the transmitting end of a laser; S2, the laser is electrified to run in the glass to be cut to generate a plurality of wire holes; the plurality of wire holes form microcracks on the glass to be cut, wherein the pulse width of the laser is not greater than 10ps; S3, external force is applied to the two sides of the microcracks on the the glass to be cut, so that the glass to be cut is cut off along the microcracks. After a glass workpiece is cut by the laser cutting machine, the cutting end face of the obtained glass workpiece is flat, secondary CNC grinding is not needed, and the machining efficiency is greatly improved; in addition, no sewage is generated in the glass workpiece machining process, the glass cutting machine is more environmentally friendly, the cutting speed is high, and the production efficiency of glass products is greatly improved.

The invention belongs to the technical field of glass, and particularly relates to medium-aluminum glass capable of absorbing ultraviolet rays and a preparation method and application of the medium-aluminum glass. The medium aluminum glass comprises the following components in percentage by weight: 59%-66% of SiO2, 8%-12% of Al2O3, 13%-18% of Na2O, 5%-8% of K2O, 3%-8% of MgO and 0.2%-1.2% of CeO2, wherein the total amount of the SiO2, the Al2O3, the Na2O, the K2O and the MgO is 100%. The ratio of the total mass of CeO2, K2O and Na2O to the mass of Al2O3 is 1.75 to 3. The medium-aluminum glass capable of absorbing the ultraviolet rays has excellent ultraviolet ray absorption efficiency, low softening point temperature and high stress layer depth, is particularly suitable for the fields of automobile body glass and the like, can meet the requirement of hot bending shaping of the automobile body glass, has strong absorption on the ultraviolet rays, reduces the harm of ultraviolet radiation to a user, and is suitable for popularization and application. Meanwhile, the visible light transmittance is high, and the visual field of a user cannot be affected.

The invention relates to the technical field of adhesive tapes, and discloses a fireproof sealing anticorrosion adhesive tape for aviation equipment, the fireproof sealing anticorrosion adhesive tape comprises a coating silicone adhesive, a coating and a base material, the base material comprises 1-5 parts by weight of resin, 5-20 parts by weight of glass fiber, 2-10 parts by weight of basalt and 1-5 parts by weight of carbon fiber, and the coating silicone adhesive is prepared from the following components in parts by weight: 1-5 parts by weight of resin, 5-20 parts by weight of glass fiber, 2-10 parts by weight of basalt and 1-5 parts by weight of carbon fiber. The width and the length of the coating layer, the width and the length of the coating silicone adhesive and the width and the length of the base material are the same, and the coating layer comprises a 75-80A curtain coating flame-retardant TPU layer, a polytetrafluoroethylene coating layer, an aluminum foil layer or a graphene layer. According to the scheme, the thickness and the surface density are slightly higher than those of the standard, but the tensile strength, the elongation, the puncture resistance and the water vapor barrier property of the scheme are higher than those of the existing standard. Therefore, the sealing anti-corrosion performance of the scheme is obviously higher than that of the existing adhesive tape.

The invention relates to a preparation method of moringa seed oil sunscreen cream and the product of the preparation method. The preparation method comprises the steps of unshelling 70 parts of moringa seeds, separating seed kernels from seed shell, and carrying out cold pressing treatment on the seed kernels to obtain crude oil; adding 3 parts of baicalin powder, 2 parts of baicalein powder, 2 parts of radix saposhnikoviae extract powder, 2 parts of feutus trbuli extract powder and 2 parts of fructus kochiae total saponin powder into the crude oil to obtain moringa seed oil containing traditional Chinese medicine powder; mixing 5 parts of citric acid crystal with 10 parts of water to obtain a citric acid aqueous solution; carrying out superfine grinding on the seed shell of the moringa seeds, and then adding into the citric acid aqueous solution for modifying to obtain a moringa seed shell superfine powder and citric acid aqueous solution; mixing the moringa seed oil containing the traditional Chinese medicine powder with the moringa seed shell superfine powder and citric acid aqueous solution, and then adding 10 parts of an emulsifying agent EM90 to obtain the moringa seed oil sunscreen cream. The moringa seed oil sunscreen cream has the advantages of being good in protective effect on the skin, high in anti-allergic property and remarkable in ultraviolet ray filtering effect.

The embodiment of the invention provides an emergent light side substrate of a mirror display device, a production method thereof and the mirror display device, relates to the technical field of display, and can improve the transmittance of the mirror display device and improve the image display effect. The emergent light side substrate of the mirror display device comprises a substrate, and further comprises a reflecting film arranged on the substrate; the reflecting film is divided into a transmissive zone and a reflective zone; the transmissive zone is micro-sized; the transmissive zone part of the reflecting film is light-transmittable; the reflective zone part of the reflecting film is used for reflecting external light. The emergent light side substrate is applied to the mirror display device.

The invention relates to the technical field of vehicle exterior trims, in particular to a vehicle exterior trim with a fluorescent effect. The formula of the vehicle exterior trim consists of the following ingredients in parts by weight: 100 parts of PMMA or ASA resin, 0.2-0.35 parts of lubricant , 5.5-7.0 parts of toughening agent, 0.15-0.28 parts of transparent black pigment, 2.8-3.5 parts of fluorescent agent, 0.2-1.0 parts of dispersant and 0.4-0.5 parts of antioxidant. The invention also relates to a preparation method of the vehicle exterior decoration with fluorescent effect. After adding transparent black pigment and fluorescent agent to the formula, the vehicle exterior parts prepared by injection molding process can not only appear black to achieve the versatile effect of vehicle models, but also can be used in dim light or dark after absorbing light or other electromagnetic radiation. It emits visible light in an environment that is visible to the human eye, helps drivers and pedestrians identify passing vehicles, and promptly reminds drivers and pedestrians to pay attention to safety, thereby greatly improving the safety of vehicles; the preparation process of the present invention is simple and easy, and is conducive to industrial production .

The invention relates to the technical field of artificial turfs, in particular to a mosquito-repelling artificial turf and a manufacturing process thereof. The artificial turf comprises mosquito-repelling powder, gum and artificial grass are filled with the mosquito-repelling powder, and the mosquito-repelling powder can emit mosquito-repelling electromagnetic waves with the frequency ranging from 0.5-1.5 THz under irradiation of heat rays. The mosquito-repelling artificial turf uses weak electromagnetic waves to simulate the discharge phenomenon when natural lightning occurs to repel mosquitoes, and has the advantages of being good in mosquito-repelling effect, non-toxic and environment-friendly.

The invention relates to the technical field of edge-covered glass, in particular to edge-covered glass with a fluorescent effect, which comprises glass and a covered edge fixed on the glass, and theformula of the covered edge comprises the following components in parts by weight: 100 parts of PVC resin, 5-6.5 parts of filler, 2.5-4 parts of a lubricant, 2.5-4 parts of a flexibilizer, 0.25-0.4 parts of transparent black pigment, 4-5 parts of a fluorescent agent, 7.5-9 parts of a stabilizer and 19.5-22 parts of a plasticizer. The invention further relates to a preparation method of the edge-covered glass with a fluorescent effect. After the transparent black pigment and the fluorescent agent are added into the covered edge material, the covered edge prepared by an injection molding processcan not only present a black phenomenon, but also emit visible light in a dim or dark environment after absorbing illumination or other electromagnetic radiation, so that the covered edge can be seenby human eyes, the outline of a vehicle body is displayed, a warning effect is achieved, vehicles or pedestrians can make pre-judgment in advance, and the probability of accidents is reduced. The preparation process is simple and feasible and is beneficial to industrial production.

The invention relates to a novel 3D (three dimensional) optical stereoscopic membrane and a preparation method thereof. The 3D optical stereoscopic membrane can be attached on a display screen of portable equipment, so that the naked 3D effect of light rays is realized through the optical transmission of the 3D optical stereoscopic membrane. The 3D optical stereoscopic membrane comprises a transparent membrane material layer and a slit grating layer on the transparent membrane material layer, wherein the transparent membrane material layer contains zinc oxide nanoparticles; and the slit grating layer is prepared from electronic ink. With the application of the zinc oxide nanoparticles, the transmittance of the transparent membrane material layer is increased, the viewpoint width of the 3D optical stereoscopic membrane is increased, and the double image degree is lowered. Therefore, the 3D display effect is enhanced.

The invention discloses an optically-controlled three-dimensional (3D) optical diaphragm and a preparation method thereof. The optically-controlled 3D optical diaphragm is attached onto any display device capable of displaying a three-dimensional image, and image information with parallax of a left eye and a right eye can be split to the left eye and the right eye of a person to form naked-eye free three-dimensional display. The optically-controlled 3D optical diaphragm comprises a transparent diaphragm material layer and a photochromic grid bar, wherein the transparent diaphragm material layer is doped with zinc oxide nano particles 1,8-diiodooctane additive, the photochromic grid bar is transparent under the non-ultraviolet radiation to display two-dimensional information, the photochromic grid bar turns mazarine under the ultraviolet radiation to realize the grating effect and display the three-dimensional information, through the zinc oxide nano particles in the transparent diaphragm material layer, the transmission rate of the transparent diaphragm material layer is increased by utilizing an optical principle, the viewpoint width of the 3D display is increased, the double-image of the 3D display can be reduced, the 1,8-diiodooctane additive optimizes the dispersibility and uniformity of the zinc oxide nano particles, and the 3D display effect is finally enhanced.