1120results about How to "Good shading effect" patented technology

A dispersion composition is provided in which the dispersibility of titanium black is high, the sedimentation of titanium black over time is suppressed, and overall dispersibility and storage stability are high. Further, a polymerizable composition is provided in which favorable coating property on a substrate and even film thickness can be obtained, generation of residue in an unexposed region when a pattern is formed can be suppressed, and favorable pattern shape having any steps after exposure / development can be obtained. The dispersion composition contains (A) titanium black, (B) a graft copolymer and (C) a solvent.

A light source module includes: a light source; a lighting curtain that partially blocks light from the light source; and a reflective layer that is provided on the lighting curtain and that has a planar shape smaller than the lighting curtain.

The invention relates to the digital image processing technology, and provides a multi-exposure image fusion method with rapid and effective calculation. The method does not need complex image decomposition and reconstruction processes, the fusion is accomplished via a pixel weighting manner, more detailed information is displayed by the images, and the image quality is improved. According to the technical scheme of the high-dynamic-range image fusion method based on gradient and brightness information, the method comprises following steps: 1) calculating the local contrast weighting factor Li (x, y) of each inputted multi-exposure image; 2) converting an original image to a color space with the hue H, the saturation S, and the brightness I, extracting the brightness component I, and calculating the brightness weighting factor Hi (x, y); 3) estimating weight; 4) improving a weighted image by the adoption of a recursive filter and obtaining the final weighting function of each inputted image; and 5) performing weighted fusion of the multi-exposure images. The method is mainly applied to digital image processing.

It is provided a package easy-to-open for photosensitive material such as an easy-to-open packaged photosensitive material having at least a biaxially stretched plastic film layer and, as an innermost layer, a heat-sealing layer containing not less than 5 wt % of an ethylene copolymer resin and / or a thermoplastic elastomer. At least one layer of the layered film has light shielding performance, and at least one layer other than the biaxially stretched plastic film layer has a ratio of the tear strength in the direction normal to the flow direction to the tear strength in the flow direction of not less than 3. The package has physical strength such as impact resistance, complete hermetic sealing performance, complete light shielding performance, and amenability of discarding and recycling without affecting the quality of the photosensitive material.

The present invention provides an interlayer for laminated glass which comprises at least one layer composed of an opaque ethylene-vinyl acetate copolymer resin composition or opaque polyvinyl acetal resin composition, and also provides the laminated glass using such interlayers. The interlayer for laminated glass and the laminated glass according to the present invention can offer excellent privacy protection.

Soft, strong, and low dusting tissue paper webs useful in the manufacture of soft, absorbent sanitary products such as bath tissue, facial tissue, and absorbent towels are disclosed. The tissue papers copmrise fibers such as wood pulp and a non-cellulosic, water insoluble particulate filler such as kaolin clay and possess biased surface properties.

In a liquid crystal display device, one or a plurality of partition walls adhering to the two substrates are provided in a region between the adhesive member for sealing the peripheral portions of the two substrates and a display region located inside the adhesive member so as to reduce stress applied to the liquid crystal substance. Even when stress is applied to the liquid crystal substance in the peripheral portion of the substrate, the stress is reduced by the partition wall and is not transmitted to the display region on the opposite side of the partition wall. Therefore, even when a crack occurs in the peripheral portion of the substrate due to the stress, the propagation of the crack is stopped by the partition wall, and the crack does not enter the display region.

The invention disclseos a light screening structure, arranged on a substrate, where the substrate has display region and non-display region, and the light screening structure comprises black matrix layer and light screening layer, the black matrix layer is arranged on the substrate and defines multiple pixel regions in the display region and covers the non-display region adjacent to the edges of the display region; the light screening layer is arranged on the black matrix layer adjacent to the non-display region on the edges of the display region, the light screening layer has at least a flow channel; and the light screening structure can improve the phenomenon of light leakage on the edges of the display region of the LCD panel. In the LCD making course, the invention can avoid liquid crystal pollution. Besides, the invention advances a color filter substrate with the light screening structure, an active component array structure and the LCD panel thereof.

Provided is a flame retardant polycarbonate resin composition, a light reflecting plate formed from the same and peripheral members thereof. The flame retardant polycarbonate resin composition is characterized by comprising (a) aromatic polycarbonate resin, (b) white pigment and (c) talcum treated by the alkali neutralizing treatment and the surface treating of a silane coupling agent, the sum of the (a), (b) and (c) is 100 mass parts, wherein the mass ratio of the (a) to (b) to (C) is (91 to 40) to (4 to 40) to (4 to 20). The formed product has no combustion inhibitor containing halogen or phosphor, with high light reflectivity and fire-retardancy, as well as favorable appearance and light index of reflection, shading performance, thermal conductivity (exothermicity ), mechanical characteristic(rigidity) and dimension stability.

The present invention provides a carbon black dispersion composition for a color filter black matrix resist composition, containing (A) a carbon black having specified physical properties (average primary particle diameter, concentration of surface carboxyl groups), (B) a copolymer having an amino group and / or its quaternary ammonium salt, and (C) an organic solvent, and a color filter black matrix resist composition that contains the above-mentioned dispersion composition, (D) a binder resin having a carboxyl group, (E) an ethylenically unsaturated monomer, (F) a photopolymerization initiator, and (G) specified multifunctional thiol compound and can easily form a thin film or pattern having high light-shielding property by photolithographic method pattern, has excellent storage stability, and exhibits sufficient sensitivity and resolution.

Disclosed is a positive-type photosensitive resin composition comprising: (a) an alkali-soluble resin; (b) a quinone diazide compound; (c) a heatsensitive compound which colors upon being heated and which shows an absorption maximum at a wavelength of not less than 350 nm and not more than 700 nm; and (d) a compound which does not have an absorption maximum at a wavelength of not less than 350 nm to less than 500 nm, and has an absorption maximum at a wavelength of not less than 500 nm and not more than 750 nm. The composition is preferably used for forming light-blocking separators or black matrices of organic electroluminescent devices and liquid crystal display elements.

The invention provides a dispersed composition including: (A) titanium black; (B) a polymer compound including a constituent component having a side chain structure to which an acidic group is linked via a linking group; and (C) a solvent. The (B) polymer compound is a polymer having a structure in which an acidic group is linked to a main chain part via a linking group.

The invention relates to the technical field of modification of acrylonitrile butadiene styrene (ABS) materials and in particular relates to a high-light-shading ABS composite material and a preparation process thereof. The ABS composite material consists of the following raw materials in percentage by weight: 70 to 90 percent of ABS resin, 5 to 15 percent of an inorganic filler, 0 to 15 (0 to 10) percent of a styrene-butadiene copolymer, 0 to 10 (0 to 5) percent of a flexibilizer, 0.1 to 0.5 percent of an antioxidant, 0.1 to 0.5 percent of a light stabilizer, 0.1 to 0.5 percent of a lubricating agent and 0.2 to 1.0 percent of a coupling agent. The high-light-shading ABS composite material has white appearance and high light-shading performance, meets the requirements of shells of IT equipment and lampshades of lighting lamps on high light-shading performance and light aging resistance, and has high surface gloss.

A solid-state imaging device includes: a light-receiving pixel part configured to be formed on a semiconductor substrate; a black-level reference pixel part configured to be formed on the semiconductor substrate; and a multilayer interconnect part configured to be provided over the semiconductor substrate. The multilayer interconnect part includes an insulating layer formed over the semiconductor substrate and metal interconnect layers formed as a plurality of layers in the insulating layer. The multilayer interconnect part has a first light-blocking film formed above an area between first metal interconnects of a first metal interconnect layer as one of the metal interconnect layers above the black-level reference pixel part, and a second light-blocking film that is connected to the first light-blocking film and is formed of a second metal interconnect layer over the first metal interconnect layer.

The invention discloses a white adhesive for a flexible printed circuit and a preparation method thereof. The white adhesive comprises the following raw material compositions: thermosetting resin, filler, thermoplastic resin, rubber, a curing agent and a curing accelerator, wherein the weight ratio in portion of the various raw material compositions is as follows: 20 to 80 portions of the thermosetting resin, 45 to 150 portions of the filler, 0 to 60 portions of the thermoplastic resin, 0 to 40 portions of the rubber, 2 to 9 portions of the curing agent, 0.5 to 2 portions of the curing accelerator and 40 to 120 portions of organic solvent. The white adhesive has good opacity and reflection performance. The invention simultaneously discloses the method for preparing the white adhesive.

The invention relates to the technical field of terminal devices, and provides a display screen and a terminal device. The display screen comprises a display module, a cover plate and a shading unit.The cover plate covers the surface of the display module. The display module is provided with a display module through hole. The shading unit comprises a shading ring and a shading layer, the shadinglayer is attached to the surface of the display module through hole, the shading ring is arranged between the cover plate and the display module and corresponds to the display module through hole in position, and the diameter of the inner ring of the shading ring is smaller than that of the display module through hole. Through the blocking effect of the shading layer, light generated by the display module cannot pass through the surface of the through hole of the display module, so that the imaging effect of the camera is not influenced, and the imaging quality of the camera is effectively guaranteed. By arranging the shading layer, the diameter of the outer ring of the shading ring is reduced, and the imaging quality of the camera cannot be influenced, so that the size of the shading ringcan be further reduced, and the screen-to-body ratio of the display screen is increased.

There are provided a novel ethylenically unsaturated group-containing isocyanate compound, a process for producing the same, and a reactive monomer produced from the isocyanate compound, a reactive polymer and its use. The ethylenically unsaturated group-containing isocyanate compound according to the present invention is represented by formula (I).

The invention discloses an antibacterial water supply pipe, an antibacterial PE composite material and a preparation method thereof. The composite material is composed of the following components by weight: 0.1-1.5 parts of graphene microchip, 95.0-98.5 parts of a PE resin, 0.5-3.0 parts of a dispersant and 0.5 part of an antioxidant. The antibacterial water supply pipe provided by the invention comprises a PE outer wall and an antibacterial inner wall, wherein the PE outer wall and the antibacterial inner wall are shaped by coextrusion; the inner wall is made of the PE resin added with the graphene microchip; and the outer wall is made of the PE resin added with a proper amount of color masterbatch. The above antibacterial water supply pipe has good antibacterial and light-shielding effects, thereby preventing the inner wall from breeding and propagating a large number of bacteria which bring hazards to people's life health.

PROBLEM TO BE SOLVED: To provide a halftone type phase shift mask on which a fine photomask pattern is formed with high accuracy, and to provide a mask blank for producing the above mask. ŽSOLUTION: A semitransparent film 15 having a predetermined phase shift and transmittance to exposure light and a light shielding film 12 placed on the semitransparent film 15 are disposed on one principal face of a transparent substrate 11 such as quartz as a photomask substrate. The light shielding film 12 is surely a so-called "light shielding film" but it can also act as an antireflection film. The semitransparent film 15 is a halftone phase shift layer comprising a halftone material containing both of silicon (Si) and molybdenum (Mo) as an absorbent material. In order to use the halftone phase shift mask blank for producing a mask for ArF exposure, the film thickness and composition of the light shielding film 12 are selected to obtain the optical density OD of the film in the range of 1.2 to 2.3 with respect to light at 193 or 248 nm wavelength. Ž

The invention discloses a thin-film transistor, a preparation method thereof, an array substrate and a display panel, wherein the light shading effect of the channel region of the thin-film transistor is enhanced and the illumination stability of the thin-film transistor is therefore improved. The working stability of the thin-film transistor is enhanced. According to the embodiment of the invention, the thin-film transistor comprises a light-shading layer, a buffer layer positioned on the light-shading layer, and a semiconductor layer positioned on the buffer layer. The semiconductor layer comprises three partial regions, namely a first conductor region, a channel region and a second conductor region. In a direction parallel to the semiconductor layer, the channel region is positioned between the first conductor region and the second conductor region. The thickness of the buffer layer enables the incident light passing through the buffer layer not to influence the first conductor region, the channel region and the second conductor region.

The invention relates to a PVC coating tent material. The invention is characterized in that the PVC coating tent material comprises substrate layers and PVC coatings coated on the surfaces of the substrate layers, and the tent material is provided with a front side and a back side, wherein the PVC coating on the front side comprises a front-side shading layer, a front-side main shading layer and a front-side facing layer which are orderly arranged from the substrate layer to the outside, the front-side shading layer and the front-side main shading layer are formed by coating opaque paint twice; the PVC coating on the back side comprises a back-side bottom layer and a back-side facing layer from the substrate to the outside; and the surface of the facing layer of the PVC coating is provided with a surface treatment layer. By coating the shading layer on the front side twice, a continuous shading layer can be formed, thereby achieving the excellent shading effect, and improving the yield. By coating both the front side and the back side twice with surface treatment paint, the quantity of the surface treatment paint can be ensured, thereby achieving the better self-cleaning effect. Besides, the invention realizes the free use of the tent material even without distinguishing the front side and the back side in use.

The invention relates to a high-flow and temperature-resisting PPO / PA composition for LEDs and a preparation method thereof. The PPO / PA composition comprises the following components by mass percent: 20-50 percent of polyphenyl ether, 20-50 percent of polyamide, 2-8 percent of a compatilizer, 5-15 percent of a fire retardant, 2-15 percent of polyolefin, 10-25 percent of titanium dioxide, 2-10 percent of a flexibilizer, 1-4 percent of a dispersant, and 0.2-0.6 percent of an antioxygen; the preparation method comprises the following steps: drying titanium dioxide, adding the dispersant, polyphenyl ether, polyamide, compatilizer, flexibilizer and antioxygen, and adding the components from a main feed opening of a twin-screw extruder; after the fire retardant and polyolefin are mixed according to a ratio, adding the mixture by a feed pump from a fourth-section cylinder of the twin-screw extruder; extruding and pelleting, so that the composition is prepared. The high-flow and temperature-resisting PPO / PA composition for LEDs has superior heat resistance, superhigh shading performance and excellent flowability, as well as favorable fire resistance and size stability, meets the requirement of ROHS and Reach regulations, and facilitates the realization of the production of products such as LED nixie tubes with the thickness of 0.2 mm and lattice modules.

An object of the present invention is to provide a heat-shrinkable polyester film having a good light blocking property even when the label is not auxiliary processed by printing.The present invention provides a heat-shrinkable polyester film mainly made of a polyester resin, wherein the film has a total luminous transmittance of not more than 40%, a haze of not less than 90%,a sample film has a heat shrinkage percentage of not less than 50% in the maximum shrinkage direction and a heat shrinkage percentage of not more than 10% in a direction orthogonal to the maximum shrinkage direction, the sample film being in a size of 10 cm×10 cm cut off from the film and obtained by immerse in hot water at 95° C. for 10 seconds, subsequently in water at 25° C. for 10 seconds, and withdrawing.

The invention discloses an evaporative cooling air-conditioning system, dispense with a water tank for cool storage, utilizing wind and solar power generation. The evaporative cooling air-conditioning system is formed by an evaporative cooling cold air / water unit, a wind and solar power generation system and a water curtain wall structure, wherein the water and wind power generation system is arranged on an external roof, and the water curtain wall structure is adopted for the side walls of a house. The evaporative cooling cold air / water unit is connected with the tail end in the house through a water feeding pipe and a water return pipe respectively. An air port is formed in the house, and the evaporative cooling cold air / water unit is communicated with the air port through an air duct. According to the evaporative cooling air-conditioning system, the evaporative cooling air-conditioning technology, the wind and solar power generation technology, the cool storage technology and the water curtain wall technology are combined, the peak-valley electricity price difference at night and in the day is utilized for forming cold air and cold water, the purposes of ventilation and cool storage at night are achieved, and therefore the evaporative cooling air-conditioning system is environmentally friendly and economical and saves energy.