113 results about "Antireflection coating" patented technology

The invention discloses a quantum dot composite material as well as a preparation method and application thereof. The method for preparing the quantum dot composite material comprises the following steps: carrying out first mixing on a first solution and a first silicon source with a coordination group, and carrying out hydrolytic condensation reaction on the first silicon source to obtain a first mixed solution; performing second mixing on the first mixed solution and a second silicon source to obtain a second mixed solution; performing solid-liquid separation on the second mixed solution to obtain a silicon ball material; performing third mixing on a perovskite raw material, a second solvent and a silicon ball material to obtain a third mixed solution; and performing fourth mixing and purification treatment on the third mixed solution and a third solvent to obtain the quantum dot composite material. According to the method, the stability of the perovskite quantum dots can be improved, and the loss of the perovskite quantum dots on the cell efficiency is reduced, so that the perovskite quantum dots can be effectively added into an antireflection coating layer, an adhesive film and other base materials, the effective utilization of ultraviolet light is realized, and the cell efficiency is further improved.

This invention discloses a patterned solar glass with a neutral colour anti- reflection coating (ARC) designed to enhance light transmission and optical performance The dual-side structured glass features a smoother side coated with a two-layer anti-reflection coating. The bottom layer is formulated from a silane precursor, a hydrolyzing agent, an acid catalyst, porosity-enhancing agents, and a combination of solvents, achieving a refractive index of 1.4 to 1.5. The top layer is a nano-composite-based AR coating with a refractive index of 1.25 to 1.35 is applied on the bottom layer. The layers are chemically bonded via a roll-coating process, with precise thickness control wherein, the bottom layer ranges from 180–210 nm and the top layer ranges from 140–160 nm. This gradient refractive index structure results in a transmission gain of 2.3% and minimizing Fresnel reflection losses. The coating ensures neutral colour appearance and uniform light transmission, improving omnidirectional performance under varying light angles.

The invention relates to the technical field of building curtain walls, in particular to an energy-saving building curtain wall which comprises a composite glass unit, dynamic ventilation subsystems are arranged on the left side and the right side of the composite glass unit, and the composite glass unit is electrically connected with an intelligent control module. The composite glass unit comprises a tempered photovoltaic glass layer, the tempered photovoltaic glass layer is located on the outermost layer in the composite glass unit, an antireflection coating is arranged on the outer surface of the tempered photovoltaic glass layer, and conductive silver grid lines are printed on the inner surface of the tempered photovoltaic glass layer; according to the invention, through integration of photovoltaic power generation, intelligent ventilation and dynamic heat insulation technologies, a remarkable energy-saving effect and multifunctional optimization are realized, the system adopts combination of the tempered photovoltaic glass layer and the conductive silver grid lines, the photoelectric conversion efficiency is improved by 3.2%, and the annual energy output reaches 58kWh / m; the variable-spacing hollow layer is matched with the nano silicon dioxide aerogel particles and the electrostatic electret net, so that the heat transfer coefficient is intelligently adjusted within the range of 0.7-1.1 W / (m.K).

The invention relates to the technical field of photoetching, and provides an anti-reflection coating composition as well as a preparation method and application thereof. The anti-reflection coating composition comprises the following raw material components in parts by weight: 14-20 parts of extinction resin, 1-4 parts of a catalyst, 2-8 parts of a cross-linking agent and 400-1300 parts of a solvent, the catalyst comprises p-toluenesulfonic acid and organic acid A; the molecular structure of the organic acid A contains an ether bond; the organic acid A comprises one of ethoxyacetic acid, phenoxyacetic acid and 2-naphthoxyacetic acid. According to the technical scheme, the problem of poor film thickness uniformity of the BARC film in the prior art is solved.

Embodiments relate to a method of forming a nanoporous thin film. The method can involve co-sputtering SiO2 and a sacrificial porogen to form a sacrificial porogen: SiO2 composite film onto a substrate. The method can involve annealing the sacrificial porogen: SiO2 composite film to form an annealed sacrificial porogen: SiO2 composite film. The method can involve dissolving at least a portion of the sacrificial porogen from the annealed sacrificial porogen: SiO2 composite film.

The present invention relates to an optical lens comprising a substrate and a multi-layer antireflection coating provided on at least one of the main surfaces of the substrate and comprising a stack of at least one layer having a high refractive index and at least one layer having a low refractive index, a spectral reflectance curve of the multi-layer antireflection coating for an angle of incidence in the range of 0 DEG to 15 DEG has a reflection peak centered on a wavelength in the range of 435-450 nm and having a maximum reflectance of less than or equal to 30% and a full width at half maximum of less than or equal to 90 nm, and a local reflectance minimum in the range of 380-420 nm of less than or equal to 2% and a multi-layer antireflection coating for the at least one major surface, the multi-layer antireflection coating providing the at least one major surface with: for an angle of incidence in the range of 0 to 15 degrees, the present invention relates to a light-emitting device comprising a light-emitting element, a light-emitting element, an average light reflection factor Rv of 380 nm to 780 nm of less than or equal to 2.5%, an average blue light reflection factor RmB1 of greater than or equal to 15% in the wavelength range of 420 nm to 450 nm of greater than or equal to 15%, an average blue light reflection factor RmB3 of greater than or equal to 15% in the wavelength range of 440 nm to 460 nm of greater than or equal to 15%, and a ratio RmB1 / RmB3 of less than or equal to 1.

A self-monitoring system for a micro-LED display panel can track a health status of the micro-LED emitters over the life cycle of the display. The self-monitoring system can include, for example, light sensors and a coverglass treated with an anti-reflective coating that directs light emitted by the micro-LED array toward the light sensors. Light captured by the light sensors can then be analyzed to determine the current value of light attributes such as color, polarization, and intensity, and to compare the current values of the light attributes with their previous values to monitor changes over time.

Layer system (100; 110; 120; 130) comprising infrared mirror coating - a substrate base (11) comprising a substrate layer (a) with a substrate area (F) a ); and - a plurality of descending layer layers (2, 4, 6) and a plurality of descending layer layers (1, 3, 5, 7), wherein an descending and a descending layer layer alternately form on the substrate surface (F a ) are arranged such that the layer system (100; 110; 120; 130) at a detection angle of approximately 0° with at least one substrate normal (N1, N2, N3; N a , N b ) of the substrate area (F a ) • has a reflectivity for electromagnetic radiation of R ≥ 15% for at least one wavelength range between approximately 680 nm and approximately 1100 nm; and • has a reflectivity for electromagnetic radiation of R ≤ 5% for at least one wavelength range between approximately 400 nm and approximately 680 nm; wherein the reflectivity from a wavelength of approximately 630 nm for a viewing angle α of approximately 45° - is between about 10% and 20% higher than with a viewing angle α of about 30°; - is between approximately 20% and 30% higher than with a viewing angle α of approximately 15°; and - is between approximately 23% and 33% higher than with a viewing angle α of approximately 0°.

The utility model discloses a high-performance nanometer antifogging coated lens which comprises a base material layer, strengthening layers are attached to the front side and the rear side of the base material layer respectively, a functional coating layer is attached to the side, away from the base material layer, of each strengthening layer, and a nanometer antifogging coating layer is attached to the side, away from the base material layer, of each functional coating layer. The functional coating layer is an REVO coating layer, an antireflection coating layer or a mercury coating layer, and a film layer, making contact with the nanometer anti-fog coating layer, of the functional coating layer is a silicon dioxide layer. The high-performance nano anti-fog coated lens has excellent anti-fog performance, also has multiple functions of scratch resistance, impact resistance, pollution resistance, ultraviolet resistance or colorful appearance and the like, meets the requirements of users on different performances of the lens, and has relatively high market competitiveness.

The purpose of the present disclosure is to provide a spectacle lens evaluation method capable of evaluating the visibility of an object through a spectacle lens provided with an antireflection film disposed on an eyeball-side surface in a prescribed environment. A spectacle lens evaluation method according to the present disclosure is a method for evaluating a spectacle lens provided with a spectacle lens base material having an eyeball-side surface and an object-side surface, and an antireflection film disposed on the eyeball-side surface of the spectacle lens base material, the method comprising a step for calculating an index Pback represented by formula (1).　In formula (1), RRef(λ) represents the reflectance of a surface on the eyeball-side surface side of a sample obtained by removing the antireflection film from the spectacle lens at a wavelength λ.　RAR(λ) represents the reflectance of a surface on the antireflection film side of the spectacle lens at the wavelength λ.　Rskin(λ) represents the reflectance of a skin corresponding to the wavelength λ.　Vps(λ) represents the sensitivity of an eye corresponding to the wavelength λ.

The utility model discloses a RC LED laser ware packaging module, include: heat sink base plate, the top of heat sink base plate is equipped with negative pole welding area and a plurality of positive pole welding area, and negative pole welding area and a plurality of positive pole welding area are all plated with metal plating, and the bottom of heat sink base plate is equipped with the negative pole pad of negative pole welding area electric connection and a plurality of respectively with corresponding positive pole pad electric connection positive pole pad, RC laser chip is located on negative pole welding area, and the top of RC laser chip is provided with a plurality of different luminous shape's luminous unit, and the negative pole of a plurality of luminous units extends to the bottom of RC laser chip and is electrically connected with negative pole welding area, and the positive pole of a plurality of luminous units is electrically connected with corresponding positive pole welding area respectively, anti -reflection coating, cover in heat sink base plate top. The utility model effectively solved the problem of the prior art in the reflection blur and the problem of the insufficient heat dissipation.

A display article is described herein that includes: a substrate comprising a thickness and a primary surface; a textured surface region; and an antireflective coating disposed on the textured surface region. The textured surface region comprises structural features and an average texture height (Rtext) from 50 nm to 300 nm. The substrate exhibits a sparkle of less than 5%, as measured by PPD140, and a transmittance haze of less than 40%, at a 0° incident angle. The antireflective coating comprises alternating high refractive index and low refractive index layers. Each of the low index layers comprises a refractive index of less than or equal to 1.8, and each of the high index layers comprises a refractive index of greater than 1.8. The article also exhibits a first-surface average photopic specular reflectance (% R) of less than 0.3% at any incident angle from about 5° to 20° from normal at visible wavelengths.

The invention belongs to the technical field of photoetching, and particularly relates to a bottom anti-reflection coating composition as well as a preparation method and application thereof. The bottom anti-reflection coating composition at least contains a polymer A and a polymer B; the polymer A contains a structural unit I derived from a first monomer as shown in a formula (1), a structural unit III derived from a third monomer as shown in a formula (3), a structural unit IV derived from a fourth monomer as shown in a formula (4) and an optional structural unit II derived from a second monomer as shown in a formula (2); the polymer B contains a fifth structural unit derived from a fifth monomer as shown in a formula (5), a sixth structural unit derived from a sixth monomer as shown in a formula (6) and a seventh structural unit derived from a seventh monomer as shown in a formula (7). The key of the invention lies in that the polymer A and the polymer B with specific structures are introduced into the bottom anti-reflection coating composition, so that the bottom anti-reflection coating has excellent anti-reflection performance and developing performance, the problem of photoresist residue is effectively solved, and the resolution of the developed photoresist pattern is improved.

The invention provides a preparation method of a photovoltaic self-repairing anti-corrosion anti-reflection coating, and relates to the technical field of photovoltaic glass processing.The preparation method comprises the steps that firstly, disulfide bonds are introduced to modify polyurethane, then polyacrylate modifies a disulfide bond-containing polyurethane emulsion, a disulfide bond polyurethane / polyacrylate emulsion is successfully prepared, and on this basis, the self-repairing anti-corrosion anti-reflection coating is prepared. A silicon source is introduced to modify the disulfide bond polyurethane / polyacrylate emulsion, and the photovoltaic self-repairing anti-corrosion multifunctional anti-reflection coating is prepared.

Image sensors and methods for fabricating image sensors. The method includes forming a first photoresist layer on a planarization layer. The method also includes performing a development process to form a first hole above a bond pad. The method further includes performing a first dry etching process to form a first trench extending toward the bond pad. The method also includes forming an anti-reflective coating (ARC) layer on the planarization layer and along the first trench. The method further includes forming a second photoresist layer on the ARC layer and within the first trench. The method also includes performing a development process to form a second hole extending from the ARC layer of the first trench to the top of the image sensor.The method further includes performing a second dry etching process to form a second trench from the first trench to the bond pad.

The purpose of the present invention is to provide a technology effective for removing unnecessary light incident on a shutter device. A binder resin is used as an A component, a polyvinyl acetal resin is used as an A1 component, a black material is used as a B component, and a composite of a black pigment and a resin is used as a B1 component. Shutter blades 11-14 and 21-24 used for a focal-plane shutter 101 each have an antireflection film 40 on the end surface thereof. The antireflection film 40 is formed of a resin composition, and contains at least the A component and the B component. The A component contains the A1 component. The B component contains the B1 component having an average particle diameter of 2-6 μm. The mass ratio of the B component to the A component is 7-14.

To provide an anti-reflective coating that is easy to manufacture. [Solution] An anti-reflective film 100 formed on the optical surface of a substrate 200, having first to fourth layers arranged sequentially from the substrate 200 side, wherein the refractive index of the fourth layer 4 decreases as it moves away from the substrate 200, and when the refractive indices of the first to third layers at a wavelength of 550 nm are n1, n2, and n3 respectively, and the maximum refractive index of the fourth layer 4 at a wavelength of 550 nm is n4, then n1 > n2, n2<n3、n3> The condition n4 is satisfied.

The present invention can provide a surface antireflection film in which particles are unlikely to fall from a coating film and which has a low total reflectance.　A surface antireflection coating film according to the present invention comprises a binder resin, carbon black, and silica, said surface antireflection coating film being characterized in that: said surface antireflection coating film has an arithmetic average roughness (Ra) of 0.3-3.0 μm and a developed length ratio (Rlr) of not less than 1.6; the carbon black has a specific surface area of 175-400 m2 / g; the content of the carbon black is 2.5-28.0 parts by mass with respect to 100 parts by mass of the binder resin; and the content of the silica is 16.0-28.0 parts by mass with respect to 100 parts by mass of the binder resin.<sp / >

The application belongs to the technical field of material preparation, and particularly relates to a light-heat material with an antireflection coating and a preparation method thereof. Micron or nanometer magnetic particles are used as the core, and inorganic materials with antireflection function are used as the functional coating to coat the surface of the magnetic particles; wherein the functional coating is metal oxide or non-metal oxide with light reflection inhibiting function. The method is simple in operation, mild in reaction condition, and the prepared material has an antireflection coating, which can reduce the energy loss in the form of diffuse reflection on the surface of the material in the light-heat conversion process, and shows high energy conversion efficiency. In addition, the coating material is stable in chemical property, so that the prepared composite particles have certain oxidation resistance, and can be widely applied in the fields of paint and water treatment chemical industry.

Image sensors and methods for fabricating image sensors. The method includes forming a first photoresist layer on a planarization layer. The method also includes performing a developing process to form a first hole above a bond pad. The method further includes performing a first dry etching process to form a first trench extending toward the bond pad. The method also includes forming an anti-reflective coating (ARC) layer on the planarization layer and along the first trench. The method further includes forming a second photoresist layer on the ARC layer and inside the first trench. The method also includes performing a developing process to form a second hole in extending from the ARC layer of the first trench to the top side of the image sensor. The method further includes performing a second dry etching process to form a second trench from the first trench to the bond pad.

A coated article comprising a substrate having an antireflective (AR) coating disposed on a first surface of the substrate is disclosed herein. In some embodiments, a second AR coating is disposed on a second surface of the substrate opposite the first surface. An insulated gas unit (IGU) including the coated article is disclosed herein.

The utility model belongs to the technical field of light-emitting diode (LED) down lamps, particularly relates to a light-cutting type anti-dazzle LED down lamp, and aims to solve the problems that when the down lamp is installed on a lower ceiling or directly located in a sight range, dazzling light spots are easy to form, visual discomfort is caused, the dazzle effect is caused, and the dazzle is more obvious along with the increase of the brightness of the LED down lamp. According to the technical scheme, the LED down lamp comprises an LED down lamp body, an access cover is detachably installed at a notch in the top of a shell of the LED down lamp body through two cross bolts, an installation opening is formed in the center of the access cover, and a cooling fan used in cooperation with the interior of the LED down lamp body is installed in the installation opening in an embedded mode. When the LED lamp is used, a light source is deeply hidden in the deep cup lampshade for physical light interception, the frosted layer and the antireflection coating of the acrylic mask plate are combined, and the triple anti-glare design can remarkably reduce glare, provide softer and more uniform lighting effect, relieve eye fatigue and improve visual comfort. The LED lamp is especially suitable for places with high requirements for light quality.

The utility model discloses an AR lens with a lighting effect improving function and AR glasses, comprising an optical waveguide lens, two sides of the optical waveguide lens are respectively provided with an inner side surface and an outer side surface, the inner side surface is provided with a light coupling-in area, the outer side surface is provided with a light coupling-out area, the optical waveguide lens is internally provided with a total reflection area, and the total reflection area is provided with a light emitting area. Under the effect of the total reflection area, light rays entering the light ray coupling-in area can be emitted out of the light ray coupling-out area. Wherein an anti-reflection coating is evaporated on the inner side surface, and the reflection of light on the surface of the light coupling-in area can be reduced under the action of the anti-reflection coating. According to the AR lens with the lighting effect improving function and the AR glasses provided by the utility model, the anti-reflection coating is designed on the inner side surface of the conventional optical waveguide lens, so that the reflection of light rays on the surface of a light ray coupling-in area can be reduced, and more light rays enter the optical waveguide lens to improve the utilization rate of the lighting effect.

Self-cleaning anti-reflective film for permanent anti-reflective coating and performance enhancement of new and already installed solar modules, consisting of a single- or multi-layered transparent thermoplastic film with an outer statistically microstructured superhydrophobic first surface (110) and an opposing second surface (120) designed to allow a permanent bond with the front glass of a solar module.

A photosensitive colored resin composition to be used in a cured film formed on an organic light-emitting element, said photosensitive colored resin composition containing a coloring material, an alkali-soluble resin, a photoinitiator and a solvent, also containing one or more substances selected from the group consisting of an alkali-soluble resin having an ethylenically unsaturated bond-containing group in a side chain thereof, and a photopolymerizable compound, and being configured in a manner such that: the coloring material contains a first coloring material having a maximum absorption wavelength of 480-520 nm and a second coloring material having a maximum absorption wavelength of 560-600 nm; the photoinitiator contains at least one compound represented by general formula (A); and a cured film formed using the photosensitive colored resin composition and having a thickness of 3.0μm has a transmittance of 45-85% at 460nm, 530nm, and 620nm, a transmittance of 50% or less at a transmission minimum wavelength of 480-520nm, and a transmittance of 25% or less at a transmission minimum wavelength of 560-600nm. In the formula, each symbol is as stated in the specification.

Antireflection coatings for metasurfaces are described herein. In some embodiments, the metasurface may include a substrate, a plurality of nanostructures thereon, and an antireflection coating disposed over the nanostructures. The antireflection coating may be a transparent polymer, for example a photoresist layer, and may have a refractive index lower than the refractive index of the nanostructures and higher than the refractive index of the overlying medium (e.g., air). Advantageously, the antireflection coatings may reduce or eliminate ghost images in an augmented reality display in which the metasurface is incorporated.

Provided is an aqueous inner surface antireflection coating material having good workability and storage stability and capable of obtaining a coating film excellent in adhesion to a glass substrate and solvent resistance. This aqueous inner surface antireflection coating material for a glass optical element comprises a dispersion containing carbon black and a hydroxyl group-containing acrylic emulsion, a polyisocyanate compound, and an epoxy group-containing compound, the aqueous inner surface antireflection coating material being characterized in that the hydroxyl value of the solid content of the hydroxyl group-containing acrylic emulsion is 5-50 mgKOH / g, the carbon black is coated with a nonionic surfactant, and 15-25 parts by mass of the carbon black is contained in 100 parts by mass of the solid content of the aqueous inner surface antireflection coating material.

The utility model discloses a heat-insulation anti-reflection functional film which comprises a base material layer, a titanium dioxide layer, an indium tin oxide layer, a base layer and an anti-reflection layer which are sequentially stacked, the refractive index of the indium tin oxide layer ranges from 1.8 to 2.0, and the refractive index of the antireflection layer ranges from 1.40 to 1.45. On one hand, the heat insulation and anti-reflection functional film can reduce external heat entering a vehicle and reduce the use energy consumption of the vehicle in daily life, the viewing of passengers to external natural landscapes can be greatly enhanced by matching with the anti-reflection coating, and due to the fact that the forbidden band width (band gap) of the ITO thin film is usually between 3.5 eV and 4.3 eV, the heat insulation and anti-reflection functional film has a good anti-reflection effect. The energy of photons in the ultraviolet light area is larger than the forbidden band width, so that photons are absorbed and electron transition is caused, the extremely low light penetration rate is shown, and therefore the skin of a user in the vehicle can be protected from being hurt by ultraviolet rays.

A higher modulation speed is achieved for a laser device comprising: an active layer structure between a semiconductor substrate and a manipulation-configured lattice structure, with a common active layer for generating laser light; a first facet spatially adjacent to one end and a second facet spatially adjacent to an opposite end of the active layer structure, wherein the first facet emits laser light, the second facet is opposite the first, and both have antireflection coatings; wherein the lattice structure comprises spatially adjacent one-piece lattice sections; and an encapsulation structure for optically confining the laser light, adapted to arrange the lattice structure between the active layer and the encapsulation structure.a DFB structure with a first lattice section, at least one DBR structure with a second lattice section, wherein the first and the second lattice sections share the common active layer for at least the one-piece lattice sections; wherein the DFB structure has a first optical function as a laser function and the at least one DBR structure has a second as optical feedback.