89results about How to "Does not affect optical performance" patented technology

The acrylic ester modifier is prepared through drying nano silica, nano calcium carbonate, nano zinc oxide, nano zinc sulfide, nano titania or nano cadmium sulfide, adding silane as coupling agent and xylene to react under the xylene refluxing temperature, letting stand to separate lower layer matter, drying the lower layer matter to obtain nano alkylated particle as the acrylic ester modifier. The nano alkylated particle is mixed with emulsifier and deionized water, and through heating under nitrogen protection to 70 deg.c, dropping initiator, acrylic ester monomer to react, cooling, spray drying, modified acrylic ester is obtained. The weight ratio between modifier and the acrylic ester monomer is 2-10 to 90-98. The present invention can raise the performance of polymer.

The present invention discloses a quantum dot packaging body which comprises a first packaging medium which is optically transparent and at least two quantum dot glass bodies dispersed in the first packaging medium. Each quantum dot glass body comprises glass located at the outer layer, a second packaging medium which is optically transparent and located at the inner layer, and at least one type of quantum dots dispersed in the second packaging medium. The first packaging medium consists of high polymer materials. By packaging the packaging body quantum dots in the glass body with a certain volume, the fragile disadvantages of glass tubes are avoided, and at the same time, a relative high luminous efficiency is kept. The present invention also discloses a light-emitting device, a backlight module and a display device. The present invention also discloses a preparation method of the quantum dot packaging body.

The invention relates to a method for preparing graphene-based conductive pearlescent pigment .The method comprises the steps of mixing oxidized graphene solution with pearlescent pigment dispersion liquid, and heating and stirring the mixed solution for one hour to one week at 20-100 DEG C to obtain oxidized graphene-based pearlescent pigment; preparing oxidized graphene-based pearlescent pigment dispersion liquid, adding a metallic reducing agent, conducting uniform mixing, and then conducting heating and stirring for 10 seconds to 24 hours at 10-100 DEG C, so that the graphene-based conductive pearlescent pigment is obtained .The method is convenient to operate, high in efficiency, environmentally friendly, free of pollution, low in cost and capable of achieving large-scale production.

The invention discloses a quantum dot composite material and a preparation method thereof and a quantum dot LED. The method comprises the steps of making oil soluble quantum dots dissolve in non-polar solvent, after the oil soluble quantum dots completely dissolve, adding organic silicon source to form a quantum dot oil phase solution containing the organic silicon source, adding water into the quantum dot oil phase solution containing the organic silicon source, wherein the different layers are generated between the quantum dot oil phase solution and the water, and at the interface the organic silicon source and the water make contact to generate hydrolysis reaction; stirring to make the organic silicon source completely hydrolyzed; after stirring, keeping the solution static to separate the solution, extracting the quantum dot oil phase solution, removing the solvent in the quantum dot oil phase solution to form the quantum dot composite material. The preparation process of the quantum dot composite material neither needs specialized acid and alkaline environments, nor reduces the luminescent efficiency of the quantum dots. In the preparation process of an LED device, the material does not need to be packaged with organic resins, therefore the preparation process of the LED devices is simplified, the cost is reduced, and the service life of the LED devices is prolonged.

The invention discloses a method for improving uvioresistant laser damage for fused quartz optical element, comprising: using an alkaline solution to perform ultrasound cleaning on the fused quartz element; using ultrapure water to perform ultrasound cleaning on the fused quartz element cleaned by the alkaline solution, and drying the same; performing secondary vitrification conversion temperature heating treatment on the fused quartz element cleaned by the ultrapure water; and performing dynamic acid etching and drying on the fused quartz element after the heat treatment. The invention achieves the purposes of eliminating the structural defects of the fused quartz and improving uvioresistant laser damage for fused quartz by controlling parameters such as the temperature and the time of the secondary vitrification conversion temperature heating treatment, frequency of the dynamic acid etching sound field, solution concentration, and etching time, so as to meet running requirements of solid laser device with high power.

A flexible low radiation window film formed by plural layers coated on transparent flexible base material, wherein the Ag(Au) film is silver alloy comprising Ag and doped 15-20 wt% of homogeneous distribution Au. the real time window film monitoring method comprises arranging a plurality of light-emitting diode emission-receiving transducers on the material collecting roller on the multiple target magnetron sputtering coiling film plating machine in cross direction, whose output signals are magnified by amplifier and converted into digital information, and sent to one-chip computer for comparing and processing, and connected to the upper position through the interfaces, the target power output is controlled thus realizing the real time control for the continuous layer's film thickness.

The invention belongs to the technical field of preparation of greenhouse covering film materials and system design of the greenhouse covering film materials, and particularly discloses a greenhouse covering film material easy to clean, a preparation method and a cleaning method. An outer layer of a greenhouse covering film easy to clean is composed of a polyphenol-metal nano-particle thin film, has good optical transmittance, and does not affect the optical performance of an original greenhouse covering film body film; and the thin film is small in mass and good in biocompatibility, does not corrode or damage the surfaces of a greenhouse covering film and a greenhouse covering glass body, and can be used on a large scale. The prepared polyphenol-metal nano-particle thin film can prevent dust from being directly deposited on the surfaces of the greenhouse covering film and greenhouse covering glass; and when the light transmittance of the greenhouse covering film becomes poor due to the dust deposition amount, the nano-particle thin film formed by plant polyphenol and metal ions can be dissociated by spraying a cleaning agent and washing with clear water, and meanwhile, the dust adhered to the nano-particle thin film is removed together, so that the greenhouse covering film is easy to clean.

The invention belongs to the field of optical polyester films, and particularly relates to an antiblocking parent stock for optical base film, and a preparation method thereof, which can not influence on the optical performance of the film while improving the antiblocking property of the film. The antiblocking parent stock for optical base film comprises the following ingredients in percentage by weight: 90-99% of powder PET resin, and 1-10% of antiblocking agent. The antiblocking agent can not influence on the optical performance of the film while achieving the antiblocking property of the film. The closer the antiblocking agent and the refractive index of base body polyester are, the lower the refraction and diffuse reflection degree on a phase interface is, the light transmittance is high and the haze is low.

The invention relates to a reflecting film used by a backlight source in a liquid crystal display, in particular to a high-stiffness coated reflecting film, aims to overcome the defect of press white spot in the existing display screen, and provides the high-stiffness coated reflecting film and a preparation method thereof. The high-stiffness coated reflecting film consists of a reflecting layer, a polyurethane layer and a hardened layer, wherein the polyurethane layer is coated on the upper surface of the reflecting layer; the hardened layer is coated on the upper surface of the polyurethane layer. The high-stiffness coated reflecting film has higher reflectiveness, hardness and stiffness; after the reflecting film is applied to a backlight module, the defect of press white spot in the display screen can be effectively overcome.

The invention discloses an antibacterial barrier BOPET film and a preparation method thereof, and relates to the technical field of BOPET films, wherein the BOPET film is composed of an upper surfacelayer, a core layer and a lower surface layer; the upper surface layer and the lower surface layer are antibacterial layers and are prepared from the following raw materials: silver-loaded carbon nanotubes, glass beads and polyester chips; and the core layer is a barrier layer and is prepared from the following raw materials: EVOH, nano montmorillonite and polyester chips. According to the invention, the formula is optimized and the process parameters are adjusted; on the basis of ensuring good physical and mechanical properties and optical properties, the prepared BOPET film is excellent in antibacterial and barrier properties, the antibacterial rate reaches 99%, the oxygen diffusion coefficient is only 1/3 of that of a common BOPET film, and the BOPET film can be widely applied to the fields of food packaging and other industrial packaging.

The invention discloses a production method of a low-emissivity glass. The production method comprises the steps of A, sputtering a ceramic titanium target with alternating-current medium-frequency power supply, namely, forming a TiO2 dielectric layer on a glass substrate through magnetron sputtering; B, sputtering a chromium plane target with direct-current power supply, namely, forming a CrNx barrier layer on the TiO2 dielectric layer through magnetron sputtering; C, sputtering an aluminum-doped zinc oxide ceramic rotating target with alternating-current power supply, namely, forming an AZO flat layer on the TiO2 dielectric layer through magnetron sputtering; D, sputtering a silver plane target with direct-current power supply,namely, forming an Ag functional layer on the AZO flat layer through magnetron sputtering; E, sputtering with direct-current power supply, namely, forming a (NiCr)xOy layer on the Ag functional layer through magnetron sputtering; F, sputtering a tin target with alternating-current medium-frequency power supply, namely, forming a SnO2 protection layer on the (NiCr)xOy layer through magnetron sputtering; and G, sputtering a graphite target with direct-current power source, namely, forming a C layer on the SnO2 protection layer obtained in the step F through magnetron sputtering. The invention aims at providing the production method, which is simple in process, convenient to operate and relatively low in production cost, of the low-emissivity glass.

The invention discloses an odorless addition type liquid silicone rubber tackifier and a preparation method and application thereof. The preparation method is as follows: mixing an organic compound containing phenyl and vinyl groups, a platinum catalyst and an organic solvent evenly for standby use; adding phenyl hydrogen-containing silicone oil and an organic solvent to a round bottom flask, heating up while stirring, and dropwise adding a mixture containing the organic compound containing the phenyl and vinyl groups, the platinum catalyst and the organic solvent into the round bottom flask whenthe temperature of the round bottom flask reaches 60-90DEG C for the adding time of 1-2h; after the adding is completed, controlling the reaction temperature at 60-100 DEG C for 1-8h; and after thereaction is completed, cooling a reaction solution to room temperature, filtering the reaction liquid by suction, and performing rotary evaporateion to get the tackifier. The preparation process is simple, the raw material is cheap and easy to obtain, the method is easy in industrial production, and the tackifier is colorless and tasteless, good in stability, has good compatibility with additiveliquid silicone rubber (LSR), and does not affect the odor and optical and mechanical properties of the LSR.

The invention relates to an anti-UV protective film for an OLED screen body for a car lamp, comprising a release paper, an adhesive layer, a resin film and a UV barrier layer arranged sequentially from bottom to top, with a total thickness of 40um-100um, and the resin film is The resin film containing the ultraviolet absorber, the visible light transmittance of the combination composed of the adhesive layer, the resin film and the UV blocking layer is 75%-90%. The adhesive layer is used to connect the OLED screen body and the resin film, and has low volatility and low haze characteristics. The resin film is made of PET or PEI resin, which ensures the high temperature resistance and tear resistance of the main body of the protective film. Described ultraviolet absorber is UV-P or UV-531. The invention can block ultraviolet radiation with a wavelength of 5nm-430nm, and the blocking rate can reach 95%-100%.

The invention provides an optical imaging lens and an electronic device applying the same. The optical imaging lens sequentially comprises a first lens, a second lens, a third lens and a fourth lens from an object side and an image side; and each lens comprises an object side face facing to the object side and an image side face facing to the image side. The first lens is a lens with a positive refractive index; and the object side face of the first lens is a convex face. The second lens is a lens with a negative refractive index; and the image side face of the second lens is provided with a convex face part located in an area near the circumference. The image side face of the third lens is a convex face. The object side face of the fourth lens is provided with a convex face part located in an area near an optical axis; and the image side face of the fourth lens is provided with a concave face part located in the area near the optical axis, and a convex face part located in the area near the circumference. The electronic device applying the optical imaging lens comprises a shell and an image module comprising the four-sheet optical imaging lens. The electronic device applying the optical imaging lens provided by the invention still has good optical properties when the length of the optical imaging lens is reduced.

The invention discloses an antistatic scratch-proof transparent BOPET film. The antistatic scratch-proof transparent BOPET film comprises, by weight, PET slice 90-99.9% and nano-modified PET slice 0.1-10%; the nano-modified PET slice contains the following components, by weight, a modified nano-functional additive 0.01 to 10 parts, PET slice 85 to 99.94 parts and a compatibilizer 0.05 to 5 parts;the modified nano-functional additive is modified graphene and/or modified carbon nanotube. According to the preparation method of the BOPET film, creative utilization and selection of components suchas carbon nanotube and graphene materials with a series of excellent characteristics and chemical grafting modifying technology are adopted, so that excellent physical and chemical combination effects between the nano functional materials and the PET slice substrate are achieved, the prepared PET substrate has excellent antistatic performance, high hardness, and scratch resistance, and at the same time, it is ensured that the optical performance is not affected, and the appearance abnormality in the latter stage operation is reduced.

The invention provides lanthanide oxide hydrophobic optical thin film prepared by using an atomic layer deposition method. A film layer is made of lanthanide oxide, so that when being applied to the surface of a substrate of an optical mirror slip, the film layer does not influence the optical performance of the original mirror slip. The lanthanide oxide hydrophobic optical thin film can be applied to the surfaces of optical devices requiring the hydrophobic property, such as an anti-fog optical transmitting mirror and a reflector. The lanthanide oxide thin film needs to be prepared by using atomic layer deposition coating technology and equipment and has the advantages of good hydrophobic property, excellent optical performance and wide application.

The invention provides a 2D/3D switchable optical module and a production method thereof and a display device. The 2D/3D switchable optical module comprises a 2D/3D switchable area and at least one 2Ddisplay area, wherein the at least one 2D display area is positioned on one or more edges of the 2D/3D switchable optical module. The invention provides the 2D/3D switchable optical module and the production method thereof and the display device so as to be adapted to a specially-shaped screen.

The invention provides a backlight module which comprises a plurality of optical films and further comprises multiple layers of colloid sequentially overlapped. Each layer of colloid is attached to one optical film so that all the optical films can be fixed. The invention further provides a liquid crystal display device using the backlight module, and a preparing method of the backlight module. The preparing method of the backlight module includes the steps of overlapping the optical films, overlapping the multiple layers of colloid, and attaching the overlapped colloid to the optical films. According to the backlight module, the multiple layers of colloid are overlapped to be attached to the optical films of different layers, the process is simple, the optical films are good in attachmentfixity, and optical performance of the optical films is not affected.

The invention comprises two window covering boards in same thickness. The microelement is added into the window covering boards in high temperature condition to increase its transparency; there is a conducting metal mesh between two window covering boards to shield electromagnetic wave.