30results about How to "Low reflex" patented technology

A water-proof coating system for reflecting solar radiation, which comprises optionally a base layer on a substrate and a reinforcing layer on the base layer; a white reflective and water-proof layer on the substrate or on the reinforcing layer; and a decorative and reflective layer on the white reflective and water-proof layer; wherein the decorative and reflective layer comprises colored infrared-reflective pigments. Water-borne coatings for forming a decorative and reflective layer in the coating system, which comprise acrylic polymers, colored infrared-reflective pigments and UV cross-linking agents. Said coating system can reflect solar radiation with high efficiency and effectively prevent water from penetrating through; has strong stain resistance and good weather resistance; has strong adhesion to various substrates; and also offers diversified colors for choosing. Said water-borne coatings can be applied easily, and are environment friendly.

The invention relates to a method for preparing an infrared cut-off filter, specifically comprising the steps of cutting, shaping, slicing, chamfering, grinding, double-sided chemical polishing, coating, and the like. An infrared cut-off filter prepared by the method has high quality. The rejection rate is low. The production efficiency is high.

The invention discloses seven-color artificial leisure turf. The turf comprises artificial fiber grass clusters and a base material, wherein the artificial fiber grass clusters are mounted and inserted in the base material, the base material comprises a rubber layer, a base cloth layer and a glass fiber cloth layer, and the base cloth layer is bonded to the rubber layer and the glass fiber cloth layer through adhesive layers. Shapes and colors of grass filaments of the turf are diversified, the grass filaments are close to natural grass in the field in appearance, have various characteristics and have colors similar to those of newly grown grass and grown grass, curved filaments used as bottom contrasts have light colors as well as yellow colors and are closer to newly germinated grass and withered grass in the field, and the grass filaments are closer to outdoor natural weeds.

A water-proof coating system for reflecting solar radiation, which comprises optionally a base layer on a substrate and a reinforcing layer on the base layer; a white reflective and water-proof layer on the substrate or on the reinforcing layer; and a white decorative and reflective layer on the white reflective and water-proof layer; wherein the decorative and reflective layer is formed from a water-borne coatings comprising acrylic polymers, white infrared-reflective pigments and UV cross-linking agents. Water-borne coatings for forming the white decorative and reflective layer in the coating system, which comprise acrylic polymers, white infrared-reflective pigments and UV cross-linking agents. Said coating system can reflect solar radiation with high efficiency and effectively prevent water from penetrating through, has strong stain resistance and good weather resistance; has strong adhesion to various substrates. Said water-borne coatings can be applied easily, and are environment friendly.

The invention relates to a production method of a sapphire camera window, and the specific steps include crystal rod removal, crystal cutting, grinding, chamfering, annealing, double-sided polishing, laser slice removal, film coating, ink coating and thermal drying, etc.; The finished camera window film has high quality, low reject rate and high production efficiency.

The invention relates to urchin-like double-shell hollow microspheres and a preparation method thereof. The preparation method comprises the following steps: carrying out ultrasonic dispersion on polystyrene / silicon dioxide core-shell particles in anhydrous ethanol, dropwisely adding a tetrabutyl titanate anhydrous ethanol solution, and reacting at 75-85 DEG C for 2-4 hours to obtain polystyrene / silicon dioxide / titanium dioxide multi-core-shell particles; calcining the polystyrene / silicon dioxide / titanium dioxide multi-core-shell particles to obtain double-shell hollow silicon dioxide / titanium dioxide microspheres; and carrying out ultrasonic dispersion on the double-shell hollow silicon dioxide / titanium dioxide microspheres in a glycerol-anhydrous ethanol mixed solution, adding tetrabutyl titanate, stirring uniformly, transferring the mixture into a reaction kettle, and reacting at 140-220 DEG C for 7-12 hours, thereby obtaining the urchin-like double-shell hollow microspheres. The urchin-like double-shell hollow microspheres have lower heat conductivity coefficient, and have excellent absorption effects on UVA and UVB in UV light.

The invention relates to a method for preparing an infrared cut-off filter, specifically comprising the steps of cutting, shaping, slicing, chamfering, grinding, double-sided chemical polishing, coating, and the like. An infrared cut-off filter prepared by the method has high quality. The rejection rate is low. The production efficiency is high.

The invention discloses a method for processing eight-color leisure artificial turf. The method comprises the steps of processing yarn of four colors in one time through four-die-head production equipment, gathering the yarn according to specification requirements for plying and mixing, after the tufting process is conducted, forming a bunch of artificial fiber grass, and bonding a T-shaped nail at the bottom end of each bunch of artificial fiber grass for standby application; coating adhesion agents on the upper side and the lower side of a base cloth layer, placing a rubber layer and a glass fiber cloth layer at the upper side and the lower side of the base cloth layer respectively, extending one end of the bunch of artificial fiber grass, and fixing and connecting the T-shaped nail onto the glass fiber cloth layer through the adhesion agents. The shape and color of yarn are diversified, the characters of the yarn are similar to those of natural grass in the filed from the appearance, the color of the yarn is similar to that of newly-grown grass and mature grass, the color of the yarn serving as bottom lining is light and brown which are more like the newly-grown grass and withered grass in the filed, and the yarn looks like outdoor natural 'weeds'.

A lens element comprises: a rear substrate having a front surface provided with a surface relief having a plurality of zones each capable of providing a lens effect; a front substrate disposed in front of the rear substrate and having a rear surface provided with a surface relief having a plurality of zones each capable of providing a lens effect, the zones of the surface reliefs provided on the rear substrate and the front substrate having the same spatial arrangement over the area of the lens element; and solid or liquid, isotropic, intermediate material disposed between the front surface of the rear substrate and the rear surface of the front substrate, the intermediate material having a refractive index different from the refractive index of each of the rear substrate and the front substrate. This construction reduces the degree of Fresnel reflection which will otherwise degrade the optical performance.

The invention provides an anti-reflection wide-band anti-infrared resin lens and a preparation method thereof. The lens includes: a resin lens substrate, a hardened layer, and an anti-reflection and anti-wide infrared film layer; wherein, the substrate, the hardened layer and the anti-reflection and anti-broadband infrared layer are arranged in sequence, the hardening layer is located on the surface of the resin lens substrate, the anti-reflection layer is located on the surface of the hardening layer; and the anti-reflection and anti-broadband infrared layer is made of high refractive index material TiO 2 The silicon-boron composite oxide layer and the low-refractive index material layer and the transparent conductive material ITO layer are arranged alternately. By adjusting the film layer structure and strictly controlling the material composition and preparation process, the present invention obtains a wide infrared band (above 900nm) cut-off, improves the temperature resistance and environmental resistance of the resin lens for preparing glasses, and obtains a glass with good visual effect. Anti-reflection and anti-wide infrared lens products have good application and market prospects.

The invention relates to a semiconductor device comprising an optically pumped vertical emitter with an active vertical emitter layer (3) and a pump radiation source by means of which pump radiation propagating transversely is generated, the pump A pump radiation field optically pumps the vertical emitter layer (3) in the pump region, wherein the wavelength of the pump radiation field is smaller than the wavelength of the radiation field (12) generated by the vertical emitter. The pump radiation source has an active pump layer (2) which is arranged vertically behind the vertical emitter layer (3) and which, seen in the vertical direction, at least partially overlaps the vertical emitter layer, wherein such The active pumping layer (2) is set so that the pumping radiation field generated during operation has higher power than the laterally propagating parasitic radiation field generated by the vertical emitting layer (3), or wherein the vertical emitting layer (3) ) to suppress the generation of parasitic radiation fields propagating laterally.

The invention relates to a method for preparing a sapphire camera window, the specific steps including crystal growth, crystal rod removal, crystal cutting, grinding, chamfering, annealing, double-sided polishing, laser slice removal, coating, ink coating and thermal drying; The camera window made by the invention has high film quality, low rejection rate and high production efficiency.

A composition of matter comprises a substrate material (M) having a bulk portion and an outer surface integrated into the bulk portion. The outer surface includes a modified surface layer. The modified surface layer extends from the outer surface to a depth of at least 1 nm. The modified surface layer comprises M and at least one other material (X) that is a metal or a metal alloy. The modified surface layer has a 25°C conductivity of at least 2.5% higher or lower than the 25°C conductivity in the bulk portion of M. The composition of matter may be an object comprising a frequency selective surface based metamaterial, and the plurality of modified surface portions may be a plurality of periodic surface elements providing resonant frequencies.

The invention discloses an artificial turf with a diffuse reflection function. The artificial turf with the diffuse reflection function comprises a bottom base cloth, artificial fiber grass clusters and an adhesive layer. The artificial fiber grass clusters are arranged on the bottom base cloth, the adhesive layer is arranged at the lower end of the bottom base cloth, each cluster of bottom base cloth is composed of multiple grass filaments and a fixing base plate, a base body is further laid on each artificial fiber grass cluster, a non-woven fabric layer is further arranged between each base body and the bottom base cloth, a glass fabric layer is further arranged at the lower end of the adhesive layer, each base body is lattice structure formed by interweaving crisscross braided threads, the artificial fiber grass clusters are inserted and planted in the lattices of the base bodies, the non-woven fabrics layer is formed by overlaying three layers of structures, the second layer is a melt-blowing cloth, and the first layer and the third layer are spunbonded nonwovens. The invention further designs a preparation method of the artificial turf with the diffuse reflection function. The artificial turf is simple in structure, has high temperature resistance, abrasion resistance and good diffuse reflection functions, and is long in service life, convenient to produce and manufacture, low in production energy consumption, and free of environment pollution.

The present invention relates to a non-aqueous composition comprising dispersed carbon-coated metal particles in an organic diluent in an amount of at least 10% by weight. The dispersed carbon-coated metal particles have a median diameter equal to or less than 0.6 μm, and have a weight average molecular weight (M w ) and the particle dispersant comprising nitrogen-containing units is dispersed. The median diameter of the dispersed particles is measured using dynamic light scattering. Furthermore, when the non-aqueous composition contains up to and including 25% by weight of the dispersed carbon-coated metal particles, it exhibits no visual settling when subjected to a settling test at 20°C for at least 24 hours. Such non-aqueous compositions may include a photocurable component and are suitable for use in the preparation of photocurable and photocured conductive patterns and layers in a variety of articles, including touch screen devices having touch screen displays.