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 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.

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.

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.

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.

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.

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.

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.