57 results about "Optical stability" patented technology

The invention discloses a UV curing adhesive for coating a low-refractive-index optical fiber and a processing method thereof, belongs to the technical field of adhesive preparation, and is used for solving the technical problem that the refractive index and the damp-heat resistance of the UV curing adhesive for coating the optical fiber in the prior art need to be further improved. The preparation method comprises the following steps: introducing a low-refractive-index hybrid siloxane prepolymer, a multi-component interface bonding prepolymer and a modified branched polyester prepolymer into a system together, and constructing a compact and uniform organic-inorganic three-dimensional network in a curing process by utilizing silica condensation, interface chemical bonding and a flexible chain segment cross-linking reaction, the low-refractive-index hybrid siloxane prepolymer endows a film layer with a stable refractive index, the multi-component interface bonding prepolymer enhances the binding force of a base material, the modified branched polyester prepolymer improves stress buffering and toughness, and the obtained cured film is low in refractive index, firm in interface bonding and small in mass change in a humid and hot environment and shows excellent optical stability and long-term reliability.

The invention relates to the technical field of biological medicines, and particularly discloses a BODIPY (boron dipyrromethene)-based compound and an application of the BODIPY-based compound in photodynamic oxidation of beta-amyloid protein (Abeta). The compound takes iodo-BODIPY as a photosensitive core and is connected with 4-t-butyloxycarboryl benzene as an A beta recognition group. The introduction of iodine atoms significantly enhances the intersystem crossing ability of molecules, so that the molecules have excellent reactive oxygen species (ROS) generation ability. The compound has high ROS yield, good optical stability and biocompatibility, can specifically target A beta aggregate, realizes photodynamic oxidative degradation, and provides a novel potential tool for treatment of Alzheimer's disease.

The invention belongs to the technical field of reflectors, and particularly discloses a reflector preparation method based on micro-channel heat dissipation, and the method comprises the steps: obtaining a first mirror body and a second mirror body, and plating a reflecting film on one side of the first mirror body and one side of the second mirror body; the method comprises the following steps: performing micro-fluidic groove parameterization design according to three-dimensional data of a lens body, establishing an optimization model which only takes geometric parameters as independent variables, outputting performance evaluation indexes through coupling heat transfer-fluid-structure simulation, and performing iterative updating on the geometric parameters based on an evaluation result; processing parameters are generated, a micro-flow groove is formed through picosecond laser etching, and the groove wall is polished through femtosecond laser; deionized water washing, cerium oxide grinding, sodium bicarbonate cleaning and secondary washing are sequentially carried out; and bonding the two mirror bodies into a mirror surface. According to the method, under the condition that processing, tolerance and operation boundary constraints are met, comprehensive optimization of low temperature rise, low surface shape change and low pressure drop of the mirror surface is achieved, and the optical stability and reliability under high-power application are improved.

The application discloses an anti-ultraviolet aging polycarbonate modified material and application thereof, and belongs to the technical field of polymer material modification. The material comprises synergistically modified polycarbonate, an organic small-molecule functional regulator, an antioxidant, a light stabilizer, a lubricating dispersant and an inorganic filler, wherein the synergistically modified polycarbonate is constructed into a multiple synergistic network by introducing a borate dynamic covalent structure, a Schiff base structure and a rare earth coordination structure, and the organic small-molecule functional regulator is p-hydroxybenzophenone. The preparation method comprises preparation of the synergistically modified polycarbonate and a subsequent melt blending and extrusion process. Through the technical scheme, the synergistic effect of ultraviolet absorption, energy transfer and free radical inhibition is realized, the yellowing degree of the material is significantly reduced, the mechanical property retention rate and the optical stability are improved, and the material is suitable for the fields of automobile transparent parts, outdoor optical materials and electronic and electrical shell.

The application belongs to the technical field of automobile intelligent display and polymer optical material, and relates to a front windshield anti-reflection film for automobile AR-HUD and a preparation method thereof. The anti-reflection film comprises modified optical acrylic resin, 9,9-bis(4-hydroxyphenyl) fluorene, nano-silica sol, ultraviolet absorber, light stabilizer and leveling agent. The modified optical acrylic resin is modified by introducing o-diphenol structural unit, aryl boronic acid structural unit, beta-cyclodextrin structural unit and adamantane structural unit into the acrylate base structure to form a dynamic borate ester bond and a host-guest inclusion synergistic topological network structure through free radical copolymerization. The anti-reflection film significantly improves the reflection efficiency of the target wave band of AR-HUD while maintaining high visible light transmittance, and exhibits excellent optical stability and double image control ability in a humid heat environment, and is suitable for the field of optical functional film of automobile front windshield.

This invention relates to the field of perovskite solar cell technology, and more particularly to cesium-based perovskite solar cells and their fabrication methods. In the fabrication process of perovskite solar cells, aromatic nitrile molecules are used in combination with cesium halide as a SAM layer. The two synergistically optimize the crystal quality, interface passivation, and charge transport process of the perovskite layer, reducing non-radiative recombination losses, thereby significantly improving the cell efficiency; Cs + The synergistic effect with halogen elements enhances the water, thermal, and optical stability of the perovskite material interface, ensuring that the device can maintain a high initial efficiency after long-term operation. At the same time, cesium halide optimizes the crystallization process of perovskite, and aromatic nitrile molecules can improve the wetting characteristics of perovskite precursors on SAM substrates. The two work together to promote the formation of more uniform, dense, and high-quality perovskite films and reduce interface defects.

The application discloses a kind of high fluorescent quantum efficiency and high stable molecular sieve confined CsPbBr3 quantum dot composite material and preparation method thereof, and relates to the technical field of optoelectronic materials.Adopt high-temperature solid-phase reaction and in-situ encapsulation strategy to restrict CsPbBr3 quantum dot in Mg-doped pure-silicon zeolite molecular sieve inside, and obtain molecular sieve confined CsPbBr3 quantum dot composite material.The molecular sieve confined CsPbBr3 quantum dot composite material provided by the application shows excellent optical stability and extremely high fluorescent quantum efficiency, and the fluorescent quantum efficiency can reach 97.4%, and the preparation method is suitable for mass production.

This application discloses a radiation-resistant glass, a chemically strengthened glass, and their preparation methods and applications, belonging to the field of glass material technology. The radiation-resistant glass, based on the mass percentage of oxides, comprises: SiO2: 64.0~72.0%, Al2O3: 1.0~7.0%, MgO: 1.0~2.0%, ZnO: 2.0~5.0%, Na2O: 5.0~9.0%, K2O: 3.0~5.5%, CaO: 0.1~2.0%, B2O3: 0~6.0%, TiO2: 0~3.0%, CeO2: 2.0~6.0%, Sb2O3: 0.01~2.0%; and satisfies: 1.5≤(B2O3+Na2O) / (Al2O3+ZrO2)≤5; 1.70≤Na2O / K2O≤1.80; 0≤TiO2 / CeO2≤1.0. This application enables the glass to possess excellent radiation resistance and optical stability, low coefficient of thermal expansion, high strength and safe breakage characteristics by adjusting the basic components and proportions. It can be used in applications that require ultraviolet cutoff and resistance to high-energy radiation, such as in solar modules, as a cover plate for solar modules in aerospace or outer space environments.

The invention provides cathodoluminescent lamps with improved optical stability and extended lifetimes through advanced enclosure and electron emission configurations. A filament emits electrons via thermionic emission, which are accelerated by an anode toward a cathodoluminescent emitter to produce photons. The vacuum enclosure comprises glass, fused silica, and metal portions coupled with vacuum-compatible epoxy, with the metal providing thermal and electrical conduction. The lamp can include anode current monitoring and filament power control to stabilize emission. An electrically activated getter maintains vacuum conditions by chemically bonding contaminants and can be refreshed over time. The designs enable effective vacuum maintenance, stable operation, and long-term reliability suitable for commercial applications.

The invention relates to the technical field of functional polymer composite materials, in particular to a polyvinyl butyral composite material as well as a preparation method and application thereof. According to the polyvinyl butyral composite material provided by the invention, the initial dispersity of the ITO nanoparticles is excellent, polymer yellowing and degradation caused by photocatalysis of the ITO nanoparticles can be remarkably inhibited, and the polyvinyl butyral composite material is excellent in optical stability and durability in the long-term use process. According to the polyvinyl butyral composite material provided by the invention, the indium tin oxide nanoparticles are high in dispersion and light aging resistance, so that the polyvinyl butyral composite material is endowed with excellent anti-yellowing performance and efficient near-infrared shielding performance and can be used for laminated glass, for example, the polyvinyl butyral composite material is used as an interlayer of the laminated glass, the application problem of the ITO nanoparticles is solved, and the performance of the laminated glass is improved.

The invention discloses a high-temperature-resistant non-metal sleeve insulation optical fiber unit, and relates to the technical field of special optical cable manufacturing. The cable comprises a cable body, the cable body comprises a fiber core, a buffer layer, an insulating layer and a sheath, and the fiber core, the buffer layer, the insulating layer and the sheath are sequentially distributed from inside to outside; the high-temperature-resistant optical fiber has an all-nonmetal insulation structure, can fundamentally avoid the problems of electromagnetic induction and electrochemical corrosion, is free of electromagnetic interference, prolongs the design life, has excellent high-temperature-resistant performance, and ensures that the optical fiber unit continuously works for a long time in a high-temperature environment through the composite design of multiple layers of high-temperature-resistant materials of the fiber core, the buffer layer, the insulation layer and the sheath; the optical fiber has the advantages of simple structure, stable and reliable performance, light weight and convenience in installation, can effectively buffer thermal stress of different materials at high temperature, ensures long-term mechanical strength and optical stability of the optical fiber at high temperature, and has high safety and reliability.

The present disclosure relates to a liquid crystal compound, a preparation method therefor, and a use thereof. The liquid crystal compound provided by the present disclosure has relatively large negative dielectric anisotropy and the characteristics of high clearing point, relatively high optical anisotropy, moderate rotational viscosity, and liquid crystal miscibility, exhibits excellent low-temperature working effect, and shows good properties such as thermal stability, chemical stability, optical stability, and mechanical properties. Therefore, the driving voltage of a liquid crystal display device in which the liquid crystal compound is used can be effectively reduced, the response speed of the liquid crystal display device is increased, and the liquid crystal display device has the characteristics of moderate optical anisotropy numerical value, high charge retention rate, etc.

The invention discloses a high-strength low-melting-point glass binder and application thereof in photovoltaic glass. According to the binder, Bi2O3-B2O3-ZnO is used as a main body system, and SiO2, Al2O3, CeO2, ZrO2 and other components are introduced, so that the glass network stability and the interface bonding strength are remarkably improved while the low softening temperature is kept. When being used for a reflective coating of photovoltaic backboard glass, the coating can form a compact coating under a low-temperature sintering condition, and has excellent damp-heat durability and optical stability.

The application discloses an environmentally-friendly chalcogenide glass material with excellent acousto-optic characteristics and application thereof. The chemical composition of the chalcogenide glass material is Ga x Sn y Se 100‑x‑y‑z Te z , wherein x, y and z are molar fractions of Ga, Sn and Te respectively, x = 5-10, y = 15-20, and z = 3-7. The chalcogenide glass material contains stable [GaTe n Se 4‑n ] and [SnTe n Se 4‑n ] tetrahedral structures in the micro-network structure. The value of n is 0, 1, 2, 3 or 4. The chalcogenide glass material can be applied to the acousto-optic field as an acousto-optic medium. The chalcogenide glass material has excellent comprehensive performance, remarkable environmental-friendly characteristics, low cost advantage, good mechanical processing performance and optical stability in a variable temperature environment, and provides an ideal material for low-cost and large-scale manufacturing of high-performance acousto-optic devices such as acousto-optic modulators and deflectors.

The application discloses an oxygen-enriched recombinant human I / V type collagen corneal repair gel and a preparation method thereof. Methyl methacrylic acid is added into recombinant human I / V type collagen to prepare a methyl methacrylate anhydride recombinant human collagen RHC-I / V-MA solution, the solution is dissolved in an EDC solution for reaction for 2-4 hours to obtain a RHC-I / V-MA-EDC sponge-like solid sample, then the sample is dissolved in a photoinitiator to obtain a mixed solution, an oxygen-containing gas is continuously introduced into the mixed solution by using a micro-nano bubble generator, the flow rate of the oxygen-containing gas is 0.1-2 L / min, and the oxygen-containing gas is introduced for 1-15 minutes to obtain the oxygen-enriched recombinant human I / V type collagen corneal repair gel. The light transmittance of the oxygen-enriched recombinant human I / V type collagen corneal repair gel is extremely high in a spectral range of 400-700 nm, the oxygen-enriched recombinant human I / V type collagen corneal repair gel has good optical stability, is suitable for repairing a corneal transparent layer and provides a material selection with excellent optical performance for corneal repair.

The invention relates to a one-dimensional pyrenyl organic framework nonlinear optical material as well as preparation and application thereof. The material is prepared from a pyrenyl amino monomer (Py) and different dialdehyde monomers (PTDE, PTBE and PDA) through direct Schiff base condensation reaction under a solvothermal condition, a series of one-dimensional linear organic framework material (COF) chain segments are constructed, and a thin film material is further prepared. The obtained material has highly ordered crystallinity, an expanded pi-conjugated skeleton and an obvious donor-acceptor (D-A) charge transfer channel. The one-dimensional pyrenyl D-A COF (Py-PTDE, Py-PTBE and Py-PDA) has the advantages that the one-dimensional pyrenyl D-A COF (Py-PTDE, Py-PTBE and Py-PDA) has the obvious RSA (Reverse Saturated Absorption) effect under the excitation of femtosecond laser (800 nm and 1550 nm) for the first time; compared with the prior art, in particular to a Py-PTDE material, the effective nonlinear absorption coefficient (beta eff) of the Py-PTDE material reaches 116.89 cm. GW <-1 > and 337.03 cm. GW <-1 > at 800 nm and 1550 nm respectively, so that the Py-PTDE material is obviously superior to a precursor material and another two COF materials, and shows a lower optical limiting threshold value at a near-infrared band. The excellent performance is mainly derived from more effective D-A interaction, narrower optical band gap and more efficient intramolecular charge transfer channel in the material. The material disclosed by the invention is simple in preparation method and high in repeatability, and the obtained COF film has excellent thermal stability and optical stability, can be directly used for preparing optical limiting devices and ultrafast optical response devices and can be applied to other three-order nonlinear optical fields.

The invention discloses an adhesive for a polaroid. The adhesive comprises the following components in parts by mass: 100 parts of an acrylate copolymer, 2-30 parts of an isocyanate compound, 1-10 parts of a metal chelate, 1-10 parts of an epoxy compound and 50-500 parts of a solvent, the acrylate copolymer is synthesized by copolymerizing the following raw materials in percentage: 60 to 80 percent of acrylate monomer, 10 to 30 percent of carboxylic acid vinyl ester monomer and 5 to 10 percent of acrylate containing carboxyl. The adhesive for the polaroid has high light transmittance and high cohesive force, can show good yellowing resistance under illumination and oxidation conditions, and can still keep good adhesive performance and optical stability in a high-temperature and high-humidity environment.

The invention discloses a compact shear speckle interference system, which is suitable for detection scenes with large view field and small view field in narrow space, and a replaceable front lens is arranged between an object to be detected and an interference imaging optical system and comprises a wide-angle lens, a standard lens, a micro-focus lens, an endoscopic lens and the like; the interference imaging optical system comprises a beam splitter prism, double interference arms and hyperboloid reflectors, and the two hyperboloid reflectors are tightly attached to the beam splitter prism; diffuse reflection speckle light of an object to be measured is divided into transmission light beams and reflection light beams by the beam splitter prism, the transmission light beams and the reflection light beams are transmitted through the double interference arms, reflected and focused through the curved reflector and then return along the same path, and interference fringe patterns carrying object deformation information are formed through beam combination interference. The PZT assembly drives the single curved-surface reflector to perform nanoscale micro-movement along the optical axis to realize phase modulation, and the two-dimensional precision displacement table drives the curved-surface reflector to perform micro-movement perpendicular to the optical axis to regulate and control the imaging shear amount. The optical system is compact in structure, excellent in dynamic response, flexible and adjustable in view field and high in optical stability.

A diffractive optic reflex sight (DORS) is provided for aiming devices in which a virtual image, such as a reticle, is produced and appears in the distance of a user's view when looking through the reflex sight. A light source illuminates a diffractive optical element (DOE) that includes a modulation pattern that generates a patterned illuminations corresponding with the virtual image. A reflective image combiner then reflects the patterned illumination so that the virtual image appears in the distance of the viewer's view. The DORS optical design system is mechanically and optically stable for precision aiming across a range of environmental conditions and in different use scenarios or applications including use in rapidly changing temperatures, varying light conditions, and a wide range of user proficiencies. The DORS optical design system is a readily manufacturable aiming and sighting device for a wide range of applications from handguns to astronomical telescopes.

The present inventive concept relates to a hybrid wavelength converter including both a metal halide perovskite nanocrystal particles and non-perovskite-based quantum dots or non-perovskite-based phosphors converting a wavelength of light generated from an excitation light source to specific wavelengths, and a light-emitting device including the same. By including metal halide perovskite nanocrystal particles and non-perovskite quantum dots or non-perovskite phosphors in the dispersion medium, the hybrid wavelength converter according to the present inventive concept enables to make simultaneous wavelength conversion to red and green light, and to be optically stable and improved color purity and luminescence performance without changing the emission wavelength range even with a lower cadmium content than the conventional quantum dot wavelength converter.

The application provides a cement-based aerogel material with intrinsic anti-aging ability and stable optical performance and a preparation method thereof, anti-aging functional groups are chemically bonded to the cement-based aerogel network through in-situ copolymerization, the pore structure and optical performance are optimized, and the synergistic improvement of anti-aging performance and optical stability is realized. The raw materials of the cement-based aerogel material include a matrix material and a functional monomer, the matrix material is composed of silicate cement and silica sol, wherein the cement accounts for 50-70wt%, and the silica sol accounts for 30-50wt%; the functional monomer includes ultraviolet absorbing monomer A, antioxidant monomer B and hydrophobic monomer C, and the total amount of the functional monomer ranges from 1wt% to 8wt%. The cement-based aerogel material obtained in the application has excellent physical performance (such as optical performance), greatly promotes the important application value and application potential of the material in the fields of optoelectronic devices, gas-sensitive sensors, space high-speed particle capture and electrochemical energy storage devices, thermal insulation and the like.

The invention discloses an optical reflector and a preparation method thereof. The optical reflector comprises a substrate and a film system located on the surface of the substrate. The film system sequentially comprises a metal reflecting layer, an interface matching layer and a reflection enhancing film set from the side of the substrate to the outside. Wherein the metal reflecting layer is a deposited aluminum layer; the interface matching layer is a deposited aluminum fluoride layer; the reflection enhancement film group is of a multi-layer structure formed by alternately stacking high-refractive-index material layers and low-refractive-index material layers, and the high-refractive-index material layers and the low-refractive-index material layers are deposited fluoride layers; and the interface matching layer is laminated on the surface of the metal reflecting layer to form interface protection between the metal reflecting layer and the reflection enhancing film group, so that the optical stability of the metal reflecting layer under the working wavelength of the wave band of 170-240 nm is maintained.

The application belongs to the technical field of nano singlet oxygen fluorescent probe, and particularly relates to a near-infrared ratio type nano singlet oxygen fluorescent probe based on 2-pyridone and a preparation method and application thereof. The application upgrades the fluorophore to perylene monimide with a larger conjugated system and stronger push-pull electron ability, successfully red-shifts the emission spectrum to the near-infrared region / red light region (625 nm blue shift to 550 nm), perfectly avoids the interference of spontaneous fluorescence of biological tissues, and greatly improves the light penetration depth. The strong hydrophobic PMI-t-PY small molecule is nano-wrapped and self-assembled by using the amphiphilic liposome material (mPEG-DSPE) innovatively, directly solving the defects of poor water solubility and easy aggregation and fluorescence quenching in water of the traditional small molecule probe. The probe has high optical stability and specific selectivity in a wide pH range, and can realize high-fidelity, quantitative and dynamic visualization monitoring of endogenous singlet oxygen in living cells and photodynamic therapy.

The invention relates to the technical field of dyes, and particularly discloses a naphthalimide benzooxygen heterocyclic yellow dye, ink and an electrowetting display device. The structural formula of the naphthalimide benzooxygen heterocyclic yellow dye is shown in the specification, wherein R1, R2 and R3 are respectively and independently selected from any one of alkyl, alkoxy, alkyl phenyl, alkoxy phenyl and thienyl. A dye main body obtained after coupling of naphthalimide and phenol mainly absorbs blue light of 400-480 nm, the substance is yellow, the main body structure has a large conjugate plane, is immiscible in polar liquid and has a good molar absorption coefficient, the solubility is improved by adding long-chain branched alkyl in the main body structure, and the dye has a good color rendering effect. The prepared dye can be dissolved in an organic solvent to prepare printing ink suitable for electrowetting display, and after the printing ink is applied to an electrowetting display device, the electrowetting display device has good aperture opening ratio, short switch response time, good electrical stability and good optical stability.

The invention discloses oxygen-enriched recombinant human I / V type collagen cornea repair gel and a preparation method thereof.The preparation method comprises the steps that methacrylic acid is added into recombinant human I type collagen and recombinant human V type collagen, a methacrylic anhydride recombinant human collagen RHC-I / V-MA solution is prepared and then dissolved in an EDC solution, a reaction is conducted for 2-4 h, and an RHC-I / V-MA-EDC spongy solid sample is obtained; dissolving in a photoinitiator to obtain a mixed solution; a micro-nano bubble generator is adopted to continuously introduce oxygen-containing gas into the mixed solution, the introduction flow of the gas is 0.1-2 L / min, the introduction time is 1-15 min, and the oxygen-enriched recombinant human I / V type collagen cornea repair gel is obtained. The material prepared by the method has high light transmittance in a spectral range of 400-700nm, has good optical stability, is suitable for repairing a cornea transparent layer, and provides a material selection with excellent optical performance for cornea repair.

The invention belongs to the technical field of medicinal chemistry, and discloses a 2, 5-diketopiperazine compound, a synthesis method, a composition and application. The synthesis method comprises the following steps: synthesizing or providing 2, 3, 4, 5 or 6-substituted benzaldehyde A; synthesizing or providing an intermediate 2, 5-diketopiperazine derivative B; 2, 3, 4, 5 or 6-substituted benzaldehyde A and an intermediate 2, 5-diketopiperazine derivative B are subjected to Aldol condensation to obtain the compound with the structure as shown in the formula (I). The compound is novel in structure, part of the compound has excellent anti-tumor activity and optical stability, and the compound has good development prospects.

The application provides an optical communication receiving assembly and a preparation method thereof, and aims to solve the technical problem that the integration density, structural reliability and optical integrity are difficult to be optimized simultaneously in the packaging of an optical receiving module. The scheme realizes high-density vertical interconnection of a photodetector array and a receiving circuit through hybrid bonding, and forms a sealed cavity by coffer bonding a transparent cover plate after the micro-lens array is manufactured, so that the micro-lens array is in a physical isolation state all the time, and damage to the optical structure is effectively avoided. Meanwhile, low parasitic and short-path signal vertical extraction is realized through a first TSV column. Through the collaborative design of hybrid bonding, cavity protection and TSV vertical interconnection, the application improves the integration density, reduces the parasitic parameters, reduces the packaging size, and improves the structural integrity and optical stability in the process, effectively solving the problems of low interconnection density, large packaging size, fragile structure and easy damage to optical performance in the background art.

The present invention relates to an optical stability transfer device (16), which comprises an interferometer (20) including: an acousto-optic filter (26), configured to receive a reference optical signal (Soref) and at least one target optical signal (So1, So2), to emit a plurality of acoustic signals (Saref, Sa1, Sa2), and to diffract each optical signal to form zero-order reference and target optical signals (Soref(0), So1(0), So2(0)) and first-order reference and target optical signals (Soref(1), So1(1), So2(1)); and an optical coupler (34), configured to combine the optical signals into recombined optical signals (Soref(comb), So1(comb), So2(comb)). The optical stability transfer device (16) also comprises a photodetector (22), configured to convert each recombined optical signal into output electrical signals (Seref, Se1, Se2); and a control unit (24), configured to keep the optical delay (T) of the interferometer (20) constant and to keep the frequency (fo1, fo2) of the or each target optical signal constant.

The invention belongs to the technical field of high polymer material modification, and particularly relates to a neutral light filtering PMMA composite material with soft scratch resistance as well as a preparation method and application of the neutral light filtering PMMA composite material. The invention discloses a PMMA (polymethyl methacrylate) composite material with soft scratch resistance and neutral filtering characteristics, by adopting a composite filtering system of a specific scratch-resistant agent, a benzotriazole organic ultraviolet absorbent and zinc oxide, the material shows excellent optical stability in a wide spectral range of 400-950 nm, the light transmittance fluctuation is not more than 5%, and the light transmittance is not more than 5%. The neutral filtering effect can be accurately achieved, and the problem of color distortion of a light source is effectively solved. Meanwhile, the composite material also has good soft scratch resistance, and can be widely applied to the fields of high-end optical products such as optical lenses, display panels, lighting devices and the like.

The invention discloses a method for improving the reliability of a phase delay film and the phase delay film, and belongs to the technical field of optics. According to the invention, the sulfur-sulfur alkyl chain-containing compound is adopted to perform molecular modification on the phase delay film, so that the adsorption and invasion rate of the phase delay film to water molecules can be reduced, and polymer swelling, plasticizing and hydrolysis effects caused by water vapor can be reduced; thermal motion of a polymer molecular chain in a high-humidity and high-temperature environment is inhibited, internal stress release and microstructure change are reduced, and then the problems of phase delay value drift, haze rising and surface physical degradation of the phase delay film in the high-humidity and high-temperature environment are solved; and the optical stability and the mechanical stability of the phase delay film in a high-humidity and high-temperature environment are improved.