66 results about "Antireflection coating" patented technology

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 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.

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 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.

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 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.

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.

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.

The present invention appropriately attaches a transmissive member to a glass member while appropriately absorbing far infrared rays. This vehicular glass (1) comprises: a glass member (10) in which an opening (19) is formed; a transmissive member (20) provided in the opening (19) and including a base material (22) that transmits far infrared rays and an antireflection film (24B); a frame member (30) having a wall part (31), which is provided between the inner peripheral surface of the opening (19) and the outer peripheral surface (21) of the transmissive member (20), and a support part (33), which protrudes inward from the wall part (31) and supports a surface (20B) of the transmissive member (20); and an adhesive layer (52) that bonds the surface (20B) of the transmissive member (20) and the support part (33) to each other. In the transmissive member (20), a member in an adhesive region (AR1), overlapping the support part (33) in a Z direction, of the surface (20B) has better adhesive compatibility with the adhesive layer (52) than a member in a non-adhesive region (AR2) that is inside the adhesive region (AR1) and does not overlap the support part (33).

This invention relates to the field of solar cell technology, specifically to a space-grade gallium arsenide solar cell with a carbon electrode and its fabrication method. The gallium arsenide solar cell, from top to bottom, comprises an antireflection coating, a metal top electrode, a triple-junction GaAs epitaxial layer, and a composite carbon-based back electrode. The composite carbon-based back electrode, from top to bottom, comprises a MoO3 ultrathin interface layer, a V2C MXene current transport layer, and a graphite / carbon black / composite conductive binder composite layer. This solar cell, using a carbon-based electrode as the back electrode, exhibits low cost, high power-to-weight ratio, high conductivity, and high stability, making it suitable for extreme space environments.

The present application relates to composite films having an anti-reflective coating. The present invention provides a composite film that can include a first transparent substrate and a first anti-reflective coating overlying a first surface of the first transparent substrate. The first anti-reflective coating can include a first UV-curable acrylate binder, a photoinitiator component, and silica nanoparticles dispersed within the first anti-reflective coating. The first anti-reflective coating can further include a ratio of ACl SiO2 / AC1 B of at least about 0.01 and not greater than about 1.3. The composite film can further have a VLT of at least about 93.0% and a haze value of not greater than about 3%.

This invention discloses a broadband infrared polarizer based on a germanium substrate and its fabrication method, belonging to the field of infrared optical device technology. The polarizer comprises a germanium substrate, a buffer layer, an ultrathin metal thin film layer, a dielectric spacer layer, a two-dimensional material metal composite metasurface layer, and a dielectric protective layer, stacked sequentially. An infrared antireflection coating is provided on the surface of the germanium substrate. The ultrathin metal thin film layer serves as a transparent electrode, and the two-dimensional material metal composite metasurface layer contains a metal nanoantenna array and a two-dimensional material layer covering it. By precisely designing the thickness of the dielectric spacer layer, a resonance enhancement effect is formed in the infrared band, improving the polarization extinction ratio and operating bandwidth. This invention also provides a corresponding fabrication method with strong process compatibility, suitable for mass production. This polarizer exhibits high transmittance, wide-band operation, high extinction ratio, and electrical tuning capability in the 412-micron band, making it suitable for systems such as infrared imaging, spectral detection, and free-space optical communication.

A medical device comprises an optical element (10) having a substrate (12) and an anti-reflection coating (14) applied to a coating surface (13) of the substrate (12), the anti-reflection coating (14) comprising an alternating layer sequence of sub-layers (18, 20) having different refractive indices. In addition to the alternating sequence of layers, the anti-reflection coating (14) comprises an anti-corrosion layer (22) which is the farthest layer of the anti-reflection coating (14) from the coating layer (13) of the substrate (12). The anti-corrosion layer (22) is designed such that the ratio of the refractive index of the anti-corrosion layer (22) to the layer thickness of the anti-corrosion layer (22) in nanometer ranges from 0.3 to 0.9. The utility model further relates to the use of an optical element (10) in a medical device.

The invention belongs to the technical field of semiconductors, and provides bottom anti-reflection coating resin, a preparation method and application. The preparation method comprises the following steps: mixing a plurality of solvents with different boiling points to obtain a mixed solvent; the preparation method comprises the following steps: adding a styrene monomer, a hydroxyl-containing acrylic monomer and an ether bond-containing acrylic monomer into a mixed solvent, and uniformly mixing to obtain a pre-polymerized solution; adding an initiator into the pre-polymerization solution, and carrying out heating reflux to carry out free radical polymerization reaction, so as to obtain a reaction solution; and carrying out precipitation treatment on the reaction liquid, and separating out a precipitate to obtain the bottom anti-reflection coating resin. The bottom anti-reflection coating resin obtained by the preparation method is good in adhesiveness and narrow in molecular weight distribution, is used for preparing 193nm deep ultraviolet photoresist, and effectively improves the pattern resolution and the edge roughness of the photoresist.

Embodiments of the disclosure provided herein include waveguide combiners. More specifically, embodiments described herein provide waveguide combiners having waveguide layers and coatings having tapered portions disposed thereon. Waveguides include one or more grids, one or more grids include a plurality of grid structures disposed on a waveguide substrate, the grid structures include waveguide material, and the plurality of grid structures include external grid structures on the outer edges of one or more grids. Waveguide layers are disposed on a waveguide substrate between the external grid structures and the edges of the waveguide substrate, the waveguide layers include waveguide material, and coatings are disposed on the waveguide layers, and the coatings have tapered portions tapered from at least one of the external grid structures to a planar portion of the coating.

The invention relates to one-component, water-thinnable coating materials for producing antireflection coatings on substrate surfaces. The coating materials contain one or more water-dilutable, aliphatic polyurethane resin dispersions, black plastic spheres having sphere diameters d50 in the range from 9 to 17 µm and black pigments. The invention further relates to methods for producing the antireflection coatings and to the use thereof for components and devices whose functions are impaired by the reflection of electromagnetic radiation, more particularly by the reflection of light.

A surface reflection preventing film which does not have a problem of particles being peeled off from the film and has a small total reflectance can be provided. The surface reflection preventing film of the present invention is characterized by containing: a binder resin; carbon black; and silica, wherein the arithmetic average roughness (Ra) of the aforementioned surface reflection preventing film is 0.3 μm or more and 3.0 μm or less, and the length ratio of expansion (Rlr) is 1.6 or more, the specific surface area of the aforementioned carbon black is 175 m 2 / g or more and 400 m 2 / g or less, the content ratio of the aforementioned carbon black is 2.5 parts by mass or more and 28.0 parts by mass or less with respect to 100 parts by mass of the aforementioned binder resin, and the content ratio of the aforementioned silica is 16.0 parts by mass or more and 28.0 parts by mass or less with respect to 100 parts by mass of the aforementioned binder resin.

A method for manufacturing an optical device, wherein the method comprises: Forming a first semiconductor device (700) as part of a first wafer, wherein the first semiconductor device (700) comprises a layer (705) of active devices and an interconnect structure (707); Forming a first opening (717) at least partially through the interconnect structure (707) and the layer (705) of active devices of the first semiconductor device (700); Filling the first opening (717); and Bonding of the first semiconductor device (700) to an optical interposer (100), while the first semiconductor device (700) remains part of the first wafer, wherein the filling of the first opening (717) comprises the deposition of an anti-reflective coating (1501) along side walls of the first opening (717).

Lens coatings and coated lenses which offer full-spectrum protection by reducing back-side reflection of all light spanning from the ultraviolet sub-band B (UVB) to infrared (IR-A) region are provided. The full-spectrum back-side anti-reflective coatings disclosed herein are comprised of multiple thin-film layers of high refractive index (HighIndex) and low refractive index (LowIndex) materials. In many embodiments, the penultimate layer distal from the substrate lens is a HighIndex layer, and the final layer distal from the substrate lens is a LowIndex layer.

The present invention discloses an anti-reflective coating composition, its preparation method and application, wherein the anti-reflective coating composition comprises a polymer having at least one structural unit represented by formula (1).

A cap has a recess configured to accommodate a laser diode and includes: a front wall that defines a front side of the recess, at least a portion of the front wall being formed of a material that transmits laser light to be emitted from the laser diode; a rear wall that defines a rear side of the recess, the rear wall being opposed to the front wall; a main body that that defines an upper side and lateral sides of the recess defining a cavity and is connected to the front wall and the rear wall; and an antireflection coating provided on a surface of the front wall. Lower end surfaces, respectively, of the front wall, the rear wall, and the main body define a bonding surface of the cap.

The present invention relates to an antireflection film–coated transparent substrate that comprises a transparent substrate and an antireflection film that is provided on one principal surface of the transparent substrate. The antireflection film–coated transparent substrate has a luminous reflectance of no more than 1.0%, a luminous transmittance of 85.0%–91.0%, and an average transmittance of at least 78.0% for light of wavelengths of 900–1000 nm.