31results about How to "Low light transmittance" patented technology

[Purpose] To provide a surface illumination fixture using a point light source having strong directivity.[Constitution] In the surface illumination fixture 3 including a surface illumination light-source device 6 converting light from a plurality of point light sources 36 having strong directivity into surface illumination and an illumination fixture main body 41, the surface illumination light-source device 6 includes a casing 30 having a flat plate part 35 being used to attach the surface illumination light-source device to the illumination fixture main body, lateral plate parts standing from the flat plate part, and an opening on a surface opposite to the flat plate part, and includes a light-guide reflection plate covering the opening. The flat plate part 35, the lateral plate parts 32 and 33, and the light-guide reflection plate 40 are formed by members having a high light reflectance and a low light transmittance. The light-guide reflection plate 40 is formed to have a lower light reflectance and a higher light transmittance as the distance from the corresponding point light source increases. The illumination fixture main body 41 having attaching means for attachment to a ceiling or a wall.

Provided are a photonic crystal type color filter and a reflective liquid crystal display (“LCD”) device having the same. The photonic crystal type color filter includes a substrate, and a photonic crystal disposed on the substrate and having a two-dimensional (2D) grating structure.

To provide a near infrared cut filter glass which can suppress the near infrared transmittance to be low while maintaining a high ultraviolet transmittance, at a low cost.Ultraviolet transmitting near infrared cut filter glass comprising, as represented by mass %, from 50 to 85% of P2O5, from 1 to 20% of Al2O3, from 1 to 5% of B2O3, from 0 to 2% of Li2O, from 0 to 15% of Na2O, from 0 to 20% of K2O, from 7 to 20% of Li2O+Na2O+K2O, from 0 to 2% of MgO, from 0 to 1% of CaO, from 0 to 4% of SrO, from 1 to 22% of BaO, from 1 to 22% of MgO+CaO+SrO+BaO, from 0.1 to 2% of CuO, from 0 to 1% of Co3O4 and from 0 to 5% of Sb2O3.

The present invention provides a light shielding highly reflective laminated sheet, which is a multilayer sheet comprising at least two layers, wherein the total light reflectance (Y value) of the surface of the first layer is 96% or more, the total light reflectance (Y value) of the surface of the outermost layer opposite to the first layer in the multilayer sheet is 30% or less and the total light transmittance of the laminated sheet is 0.3% or less, and a thermomolded article and a case using thereof. In application to light reflection for a liquid crystal backlight unit and the like, the light shielding highly reflective laminated sheet, the thermomolded article and the case using thereof of the present invention can prevent light leakage from a lamp holder portion and also make it possible to integrate a plurality of components of the backlight unit into a single body owing to improved workability of the sheet.

The invention discloses a crystalline silicon battery surface passive film and a manufacturing method of the crystalline silicon battery surface passive film. The crystalline silicon battery surface passive film comprises a first silicon oxide film, a silicon nitride film and a second silicon oxide film. The silicon nitride film is deposited on the first silicon oxide film. The second silicon oxide film is deposited on the silicon oxide film. The thickness d1 of the first silicon oxide film is 10 nm-30 nm. The thickness d2 of the silicon nitride film is 30 nm-50 nm. The thickness d3 of the second silicon oxide film is 25 nm-50 nm. The probability of light full reflection is substantially increased, and namely more light enters a silicon wafer, so that more charge carriers are generated, and battery efficiency is improved.

The invention relates to a coated glass pane with a lower and / or solar control coating comprising at least one layer sequence which comprises at least the following transparent layers: a lower anti-reflection layer, an IR-reflecting layer, an upper anti-reflection layer. At least one of the anti-reflection layers comprises at least one compound layer containing a mixture of an (oxy)nitride of Si and / or Al and of ZnO. The inventive coated glass panes are preferably heat treatable, e.g. toughenable and / or bendable.

A block copolymer comprising a polymer block [A] and a polymer block [B]. The polymer block [A] contains mainly a repeating unit having an alicyclic structure, and the polymer block [B] contains the repeating unit having an alicyclic structure and a repeating unit derived from a diene based monomer and / or a vinyl based monomer. In any block, the carbon-carbon unsaturated bonds are hydrogenated. The block copolymer is molded into optical disks, optical waveguides, films, sheets, containers, and optical lenses.

The invention provides a glass fiber / PVC (polyvinyl chloride) composite membrane material. The glass fiber / PVC composite membrane material comprises a first PVC membrane layer, a second PVC membrane layer, a glass fiber base fabric layer and a third PVC membrane layer from bottom to top in sequence, wherein the second PVC membrane layer is a black PVC membrane layer. The invention also provides a preparation method for the glass fiber / PVC composite membrane material. The glass fiber / PVC composite membrane material provided by the invention has good shading and thermal insulation performances on the premise of ensuring good comprehensive color fastness and combustion performances. The preparation method for the glass fiber / PVC composite membrane material, provided by the invention, is simplified in the process and easy to perform.

Disclosed is a light diffusion resin composition that is prepared by adding a bead type light diffusion resin comprised of PMMA as a light diffuser to a polyester resin according to the present invention. The light diffusion resin composition can be molded into a cover for lightings or sign boards by a processing method such as injection molding, extrusion molding or compression molding, so that the cover has a high haze and high light transmittance, making lamps of the lightings or the sign boards, interior lamps of buildings and contents invisible with a high light transmittance and hence a high level of luminance, provides a low surface resistance to prevent dust-attraction caused by static electricity, and minimizes a deterioration of impact strength, thereby allowing the manufacture of the cover irrespective of size.

A dual-view display device and a display method thereof are disclosed. The dual-view display device includes a backlight module, an optical film, a liquid crystal display panel, and a main control unit. The backlight module includes a light guide plate, a left light source, and a right light source. The optical film is disposed in front of the backlight module. The liquid crystal display panel is disposed in front of the optical film. The main control unit is electrically coupled to the left light source, the right light source, and the liquid crystal display panel. The main control unit transmits an image data to the liquid crystal display panel and controls the left and right light sources according to the image data, so as to control the liquid crystal display panel adaptively to display an identical image, one view image, or dual-view images.

A composition for infrared-absorbing layers according to the present invention includes: a compound formed by copper ion and a phosphonic acid represented by the following formula (a); and at least one of a phosphoric acid diester represented by the following formula (b1) and a phosphoric acid monoester represented by the following formula (b2). In the composition, fine particles containing at least the compound are dispersed. A content of the phosphonic acid is less than 2.5 times a total content of the phosphoric acid diester and the phosphoric acid monoester on a molar basis. R1 is an alkyl group with 2 to 4 carbon atoms, R21, R22, and R3 are each a monovalent functional group represented by —(CH2CH2O)nR4 wherein n is an integer of 1 to 25 and R4 is an alkyl group with 6 to 25 carbon atoms.

Provided is a touch sensitive device including an electroactive film, a display device including the same, and a method of manufacturing the electroactive film. The touch sensitive device of the present disclosure includes an electroactive film including a siloxane polymer having a fluoro group or a chloro group bonded to a part of the backbone, and the electroactive film has a dielectric constant that is improved by 15% or more by elongation at an elongation rate of 100% or more.

The invention discloses a method for determining the surface roughness of an impression material through adopting a bulk amorphous alloy new material. The bulk amorphous alloy has the thermoplastic forming capability within the supercooling liquid phase interval, so that low-temperature impression treatment can be realized through utilizing the characteristic, and the material is a plastic material completely during impression and is changed into a rigid material with high strength after the impression. Consequently, compared with the traditional material, the bulk amorphous alloy impression material can high precisely reproduce the surface appearances of samples, and the impression can be stored for a long time stably; and moreover, the method is simple and convenient to operate, does not generate pollution, meets the requirements of social sustainable development and has a wide application prospect.

The invention discloses a multilayer passivation film of a crystalline-silicon battery and a manufacturing method thereof. The multilayer passivation film comprises a first silicon oxide film, a silicon nitride film, a second silicon oxide film and a silicon oxynitride film. The silicon nitride film is deposited on the first silicon oxide film; the second silicon oxide film is deposited on the silicon nitride film; and the silicon oxynitride film is deposited on the second silicon oxide film. The thickness of the first silicon oxide film is 5 to 9 nm, the thickness of the silicon nitride film is 60 to 90 nm, the thickness of the second silicon oxide film is 10 to 20nm, and the thickness of the silicon oxynitride film is 15 to 30nm. According to the invention, the probability of total reflection of light is improved substantially and thus more light enters a silicon wafer to generate more carriers, so that the battery efficiency is enhanced.

There are provided a resin composition that is suitable for an optical component which, while maintaining moldability, low birefringence, heat resistance, mass productivity, mechanical strength, and light transmittance, hardly exhibits a low light transmittance during the use of a blue-violet laser beam source and a deterioration in optical properties, and an optical component produced by molding the resin composition, and a optical pickup device using the optical component. The present invention provides a resin composition comprising 0.05 to 5 parts by weight of the specific hindered amine compound based on 100 parts by weight of the polymer having an alicyclic structure in at least a part of repeating structural unit, an optical component produced by molding the resin composition, and a optical pickup device using the optical component.

A light source device (3) is provided with an LED (4) having strong directivity, a reflective hood (7) which has an interior reflecting surface for reflecting the illumination light from the light source, and a pair of first and second polarizing reflective plates (9A, 9B) for polarizing the illumination light from the LED (4) in a specific direction. The first and second polarizing reflective plates (9A, 9B) have a specific length and width, and a back surface formed from a high reflectance plate. The light source (4) is secured to the reflective hood (7). A specific interval is provided between the first and second polarizing reflective plates (9A, 9B) and the reflecting surface of the reflective hood, and a specific interval is provided between the two plates with the optical axis passing through the 0 DEG direction angle of the light source (4) in between. That is to say, the respective designated angles alfa of inclination are formed with respect to the optical axis so that the interval in the vicinity of the light source is large, and the interval further away is small.

Provided is a film. The film includes water-soluble cellulose ether, about 0.5 parts by weight to about 1.5 parts by weight of a gelation agent based on 100 parts by weight of the water-soluble cellulose ether, and 0 parts by weight to about 0.3 parts by weight of a gelation aid based on 100 parts by weight of the water-soluble cellulose ether, wherein light transmittance is 80% or greater.

The invention provides a novel soluble polyfunctional (methyl) acrylate copolymer, and a curable resin composition using the copolymer with excellent optical characteristics such as low dispersion, high light transmittance, and various balance characteristics required by an optical lens / prism material; no generation of branch of refractive index, and maintenance of high optical properties even though in a rigorous practical using condition such as damp heat condition. The copolymer is obtained by copolymerizing single functional (methyl) acrylate (a), dual functional (methyl) acrylate (b), 2, 4-diphenyl-4-methyl-1-pentene (c) and a thiol compound (d), wherein the side chain of the copolymer comprises a reactive (methyl) acrylate group from the dual functional (methyl) acrylate (b), the end comprises structural units from the 2, 4-diphenyl-4-methyl-1-pentene (c) and the thiol compound (d). The curable resin composition contains the copolymer.

Iron oxide powder for an undercoat layer of a coat-type magnetic recording medium having a multilayer structure which comprises cobalt-doped iron oxide particles having an average length of 0.02 to 0.3 μm, an aspect ratio (length to width ratio) of 2 to 13, and a BET specific surface area of 40 to 100 m2 / g, containing a cobalt compound in an amount of 0.2 to 10 atom % in terms of cobalt based on total iron, and having a pH of 6 to 8, a soluble cation content of 50 ppm or less, and a soluble anion content of 50 ppm or less.

The invention provides a display device, a method of manufacturing the same, and an electronic device. The display device includes a display section in which a plurality of pixels are arrayed in a matrix, a plurality of scan lines which select pixels, a plurality of signal lines which supply image signals to the selected pixels, and color filters that are arranged so as to correspond to color displays of the pixels. In the device, the display section includes an effective pixel portion and a frame portion that surrounds the effective pixel portion, and the frame portion and a wiring circuit of the effective pixel portion are covered with light-shielding layers, the light-shielding layers being separated from each other at a certain separation location in the display section, and a plurality of color filters having different colors are arranged by being stacked at the separation location.

A dual-view display device and a display method thereof are disclosed. The dual-view display device includes a backlight module, an optical film, a liquid crystal display panel, and a main control unit. The backlight module includes a light guide plate, a left light source, and a right light source. The optical film is disposed in front of the backlight module. The liquid crystal display panel is disposed in front of the optical film. The main control unit is electrically coupled to the left light source, the right light source, and the liquid crystal display panel. The main control unit transmits an image data to the liquid crystal display panel and controls the left and right light sources according to the image data, so as to control the liquid crystal display panel adaptively to display an identical image, one view image, or dual-view images.

Provided is a heat-ray-absorbing glass plate which simultaneously provides high visible-light transmittance and low solar transmittance, and also suppresses the development of an amber color. This heat-ray-absorbing glass plate is one containing iron, tin and sulfur, wherein when displayed as mass percentages on an oxide basis, MgO is 4.5% or less, total tin content is less than 0.4% when calculated as SnO2, and the ratio (SnO2 / SO3) of total tin content to total sulfur content expressed in terms of SO3 is 0.2-100.

The invention relates to a display apparatus for a motor vehicle (26), comprising a display panel (10) for displaying at least one graphical display object (12) and a control device. The display panel(10) is freestanding in a space and comprises a multiplicity of predetermined portions (22), which each have an adjustable degree of light transmittance, wherein surroundings (14) of the display panel (10) are visible in the display panel (10) depending on the degree of light transmittance. The control device is configured to individually set a respective light transmittance to a predetermined degree for each of the multiplicity of predetermined portions (22) of the display panel (10). The invention also relates to a motor vehicle (26) comprising such a display apparatus.

A composition includes at least one of particles having an average primary particle diameter of 50 to 150 nm or particles having an average major axis length of 50 to 150 nm, and a resin, in which the composition has an L* in an L*a*b* color space of CIE 1976 of 35 to 75 in a case of forming a film with a thickness of 3 μm using the composition. A film; a cured film; an optical sensor; and a method for producing a film each use the composition.

Disclosed is an illumination member wherein a core having a wiring element provided with a light emitting element is sealed with silicone rubber, and which is characterised in that a transparent silicone rubber (A) enclosure is formed on the light emitting surface side of the core, and a silicone rubber (B) enclosure having different physical properties to the other silicone rubber (A) is formed on the reverse side of the light emitting surface. The illumination member is protected from environmental factors, does not cause internal electrical damage, has minimal variation in light transmittance due to yellowing, and has excellent low temperature properties. As heat radiation, electrostatic, and vibration prevention properties can be added from the reverse side of the light emitting surface, internal loss is prevented, and the member can be used over a long period.

The invention discloses an optical module for dimming in an ultra-low OD region. According to the invention, through the design of a transparent layer and a white glue layer, the white glue layer haslow light source transmittance; little light penetrates through the top of the white glue layer; most of light can be transmitted through the four transparent plates, the light-emitting angle is larger than or equal to 270 degrees, light is emitted from the side face of the transparent layer, a secondary optical lens does not need to be added, meanwhile, the LED wafers are arranged in the transparent layer, the size of the LED wafers is small, the light-emitting angle is large, the LED wafers are arranged on a high-reflectivity PCB, and the OD5 mm target is achieved. Through the design of circular screen printing or square screen printing, the screen printing shape of the surface of the PCB can be changed according to the light type, adjustment of the visual effect is met, the multiple bases are arranged on the PCB in a rectangular array shape, and high reflectivity of the PCB can be guaranteed without adding reflection paper to the PCB.