30results about How to "Optical performance impact" patented technology

The invention discloses a manufacture method of an insertion core device of a fiber connector. The manufacture method comprises that an insertion core assembly is provided; a fiber is inserted into a fiber jack of the insertion core assembly till the fiber is protruded out of the front end of the insertion core assembly for a preset distance; and an adhesive is filled into the insertion core assembly so that the adhesive can flow into the fiber jack, and after the adhesive is solidified, the fiber can be kept in a proper position in the fiber jack. According to the invention, the fiber can be smoothly inserted into the insertion assembly without damage, and the adhesive is not adhered to the part, protruded out of the front end of the insertion core assembly, of the fiber.

The invention discloses a high abrasion resistance transparent crystallite fritted glaze, wherein a high-melting-point and high-hardness glass material is formed by taking silicon dioxide, aluminum oxide and magnesium oxide as main ingredients, and a low-melting-point and high-hardness glass material is formed by taking boric acid and silicon dioxide as main ingredients; the two glass materials are mixed at an optimal ratio, so as to form the high abrasion resistance transparent crystallite fritted glaze. Additionally, the invention also discloses a preparation method of the fritted glaze and an enamel layer and a prepared product. Through adjustment and optimization of the formula, a large number of superfine crystals with tiny particles can be generated in the sintered enamel layer, so that the abrasion resistance of the glaze is greatly improved, and the influence on the glossiness and the transmittance of the enamel layer is reduced, therefore, the requirements of the market for a high abrasion resistance glaze ceramic product can be well met, and the transformation, upgrading and development of the traditional ceramic industry are promoted.

The invention relates to an aviation organic glass protective coating which contains the following ingredients: acrylic acid, polyethylene glycol, water-soluble polyether-modified polysiloxane, fumed silica, n-dodecyl mereaptan, potassium persulphate and water. The invention is mainly characterized in that the protective coating doesn't contain an organic solvent at all, has flexibility, can be used to protect optical functional polymer materials such as aircraft cabin glass during transportation and production processes, can conveniently be removed after implementing the protective function and will not influence optical performance of the materials.

The invention relates to a method for preparing a water absorbent anti-fog film used for automotive glass. The method comprises the following steps: step 1, preparing water absorbent resin from raw materials in parts by weight as follows: adding 10-40 parts of resin containing water absorbent groups and 10-50 parts of crosslinkable cured resin to 50-100 parts of organic solvents, mixing up, adding 20-60 parts of curing agent and 1-5 parts of flatting agent. mixing up and obtaining the water absorbent resin; step 2, preparing the anti-fog film: sequentially degreasing the surface of the automotive glass with the organic solvent, performing mechanical polishing, rinsing with tap water and distilled water respectively, and desiccating; performing surface coating on the clean and dry automotive glass with the water absorbent resin prepared according to the step 1, and placing the water absorbent anti-fog film at a temperature of 80-150 DEG C for 0.5-4h after the leveling of the water absorbent anti-fog film. The water absorbent anti-fog film provided by the invention can absorb and desorb steam without creating fog on the glass, and has a long-term anti-fog function.

The invention provides a liquid crystal display device and a backlight module thereof. The backlight module comprises a light guide panel, an optical film, a binding part and fixing columns; the optical film is fixed onto the light guide panel through the binding part, a first positioning hole is formed in the light guide panel, a second positioning hole is formed in the optical film, the first positioning hole and the second positioning hole are oppositely arranged, and the inner wall of each of the first positioning hole and the second positioning hole is connected with side walls of the fixing columns. The invention further provides the liquid crystal display device. By the arrangement, displacement of the optical film on the horizontal and vertical directions can be prevented by the backlight module, folding of the optical film can be prevented comprehensively, and optical performance of the liquid crystal display device is ensured to be unaffected by displacement of the optical film.

The invention discloses a flexible multi-waveband light absorbing BOPET film and a preparation method thereof. The film is a CBABC type five-layer structure film, wherein the A layer is an ultraviolet and infrared absorbing layer, the B layer is a visible light absorbing layer, the C layer is a surface hardening layer, the total thickness is 80-120 [mu]m, the raw materials of the layer A comprise 96.5-97.5% by weight of optical-grade transparent PET slices, 2-2.5% by weight of ultraviolet absorbing masterbatch, and 0.5-1% by weight of infrared absorbing masterbatch, the raw materials of the B layer comprise 95-97% by weight of optical-grade transparent PET slices and 3-5% by weight of visible light absorbing masterbatch, the C layer is plated with TiO2 to achieve the hardening effect on the surface of the film, the A layer and the B layer are prepared through a three-layer co-extrusion biaxial stretching method, and the C layer is prepared through an electron beam evaporation method. The flexible multi-waveband light absorbing BOPET film of the present invention has characteristics of high flatness, high hardness and strong light absorption.

The invention discloses a quantum dot light-emitting diode, comprising a cathode, an anode and a quantum dot light-emitting layer arranged between the cathode and the anode, a functional layer is arranged between the cathode and the quantum dot light-emitting layer, and the functional layer includes n layers A functional structural unit arranged in layers, the functional structural unit is composed of an electron blocking material layer and an electron transport layer arranged in layers, the electron blocking material layer in the functional structural unit is arranged close to the quantum dot light-emitting layer, and the functional structural unit is The electron transport layer is disposed close to the cathode, and the n is an integer greater than or equal to 1. The quantum dot light-emitting diode of the present invention can reduce the transmission rate of electrons to the quantum dot light-emitting layer through the arrangement of the functional layer, so as to balance the injection rate of electrons and holes, so as to improve the recombination efficiency of carriers in the quantum dot layer, Thus, the luminous efficiency, stability and service life of the quantum dot light-emitting diode are improved.

The invention provides a polymer rectangular optical waveguide and micro-fluidic three-dimensional integrated chip and a preparation method thereof, and belongs to the preparation technical field of polymer rectangular optical waveguide three-dimensional hybrid integrated chips. According to the technical scheme of the invention, the impression or carbon dioxide laser-written method is conducted to prepare a micro-fluidic groove and a liquid injection hole on a methyl methacrylate substrate. Meanwhile, a raised rectangular optical waveguide is prepared on another substrate of the same material with the micro-fluidic layer through the wet etching process, wherein the glass transition temperature of the photosensitivepolymer material for preparing the raised rectangular optical waveguide is higher than the glass transition temperature of methyl methacrylate. Through the one-time hot stamping process, the center ply of the optical waveguide is pressed into the interior of the methyl methacrylate substrate, and the surface layer of the center ply of the optical waveguide is exposed. In this way, the application of the wet etching-based rectangular optical waveguide in the three-dimensional integration field is realized. Meanwhile, the bending loss and the scattering loss of the waveguide are lowered.

The invention discloses a doping modification method for a CVD (Chemical Vapor Deposition) ZnS crystal material. The doping modification method comprises the following steps: before deposition, adding a metal M into a zinc crucible, or an alloy Zn-M of M and zinc as a doping agent, performing heating melting, and uniformly mixing so as to obtain an M-doped zinc raw material; further performing chemcial vapor deposition, after deposition is completed, performing constant-temperature constant-pressure thermal treatment, thereby improving the mechanical and mechanical properties of the CVD ZnS crystal material. By adopting the method, on premise that the infrared permeation property of the CVD ZnS crystal material is not remarkably affected, the effect of improving the mechanical property of the CVD ZnS is achieved, the mechanical properties of the CVD ZnS crystal material are improved, the mechanical strength of the CVD ZnS crystal material is improved, the corrosion resistance and the thermal impact resistance is improved, and the method is applicable to on-scale production and commercial application.

The invention discloses a dustproof frost-proof optical telescope system in direct contact with atmosphere. The telescope system comprises a telescope, annular ion tuyeres, a high-pressure generator and a cleaning drying device; the annular ion tuyeres are respectively arranged in a plurality of symmetric directions above a barrel of the telescope, the high-pressure generator is connected with the annular ion tuyeres, the high-pressure airflow passing through the annular ion tuyeres is ionized through the high-pressure generator to generate a large amount of positive and negative ions which are rapidly blown to the telescope together with the airflow along the barrel wall of the telescope, the positive and negative ions are close to an arc surface of the telescope and concentrated on the centre of the telescope to finally form uniform and steady upward airflow; the dry and clean air generated by the cleaning drying device is used as ionization air of the annular ion tuyeres. The telescope can work directly in the air; therefore, the detection efficiency of the telescope is improved, weak vibration is resisted, and the adaptability of the optical laser radar in a special weather condition is improved.

The invention discloses a purification method of environmental protection grade n-hexane, which is characterized in that it comprises the following steps: Step 1, taking industrial grade n-hexane, adding AR grade sulfuric acid to the industrial grade n-hexane, stirring and standing, and separating the lower layer liquid ; Step 2, passing the normal hexane obtained in step 1 into the alkali column for circulation and processing, and then separating the normal hexane; n-Hexane. Through the treatment of sulfuric acid and alkali column, an environmentally friendly n-hexane with a purity of more than 98% and a transmittance of 225nm ultraviolet rays of more than 90% was obtained, which effectively controlled the influence of impurities such as metal ions on the optical properties of n-hexane and met the requirements The parameter requirements of environmental-grade n-hexane are met, and the problem that enterprises cannot normally produce environmental-grade n-hexane is solved.

The invention relates to the technical field of optical films, in particular to an optical diffusion film and a preparation method thereof. In order to overcome the defects of low light brightness and low scattering uniformity caused by mixed scattering particles with large particle sizes and small particle sizes in the conventional optical diffusion film, the invention provides the optical diffusion film and the preparation method thereof. The optical diffusion film comprises a base material, wherein the base material comprises small-granule scattering particles with the particle size of 1 to 10 mu m; at least one of two sides of the base material is provided with large-granule scattering particles with the particle size of 40 to 100 mu m; and the large-granule scattering particles are adhered to the surface of the base material through bonding resin. The provided optical diffusion film has high light transmittance and haze; and therefore, the optical diffusion film has high brightness and scattering uniformity. The preparation method has a simple process and is easy to operate.