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30results about How to "Shading" patented technology

Void-containing heat-shrinkable polyester film and process for production thereof

Disclosed is a void-containing heat-shrinkable polyester film which is composed of at least two layers, wherein at least one of the layers is a polyester resin layer comprising a cyclic polyolefin resin and containing voids. The film has an apparent specific gravity of less than 1.00 and has specified heat shrinking properties and mechanical properties. Also disclosed is a void-containing heat-shrinkable polyester film as mentioned above, which exhibits specified cuttability along a perforation. Further disclosed is a process for producing a void-containing heat-shrinkable polyester film as mentioned above.
Owner:TOYOBO CO LTD

Production method of PE-RT oxygen blocking pipe

InactiveCN101315141AUniform thicknessOxygen barrier rate is stableRigid pipesOxygenChemistry
The invention relates to a production method of an oxygen resistant pipe, particularly to a production method of a PE-RT oxygen resistant pipe. The invention production method provides an improvement proposal on the bonding layer of the PE-RT oxygen resistant pipe, that is, a colored master batch is added to high-temperature melted plastics. The inventive production method solves the problems of the prior PE-RT oxygen resistant pipe, including that the external oxygen resistant layer can not well bind with the internal plastic layer, the distribution of the oxygen resistant layer is not uniform, the oxygen resistant rate of the pipe is not stable, the pipe has not light proofness, etc.
Owner:AKAN ENTERPRISE GROUP SHANGHAI

Double-sided adhesive light shading adhesive tape and preparation method thereof

InactiveCN108300351AImprove shadingSolve the problem of poor shading performanceFilm/foil adhesivesGraft polymer adhesivesEngineeringBlack layer
The invention discloses a double-sided adhesive light shading adhesive tape and a preparation method thereof. The light shading adhesive tape comprises a substrate layer, adhesive layers arranged on both sides of the substrate layer, and releasing layers attached to the adhesive layers. The substrate layer comprises a black layer and a white layer, and the 2 adhesive layers are arranged on the outer side of the black layer and the outer side of the white layer respectively. The substrate layer is set into the black layer and the white layer, and the light shading adhesive tape has both light shading property and reflectivity, so that the light shading adhesive tape has good light shading performance; therefore, the problem of poor light shading performance of a conventional light shading adhesive tape is solved.
Owner:SICHUAN YUXI ELECTRONICS TECH CO LTD

High-haze high-light transmittance light diffuser plate and preparation method thereof

The invention provides a high-haze high-light transmittance light diffuser plate mainly using an optical level polystyrene as the main material, and an unmodified organosilicon serves as the light scattering agent; the optical level polystyrene takes 96-99.5% of the total mass, the organosilicon particles takes 0.5-4% of the total mass; the method comprises the following steps: 1, weighing the material according to the proportions, and placing same into a container; 2, evenly mixing the materials in the container so as to form a mixture; 2, pumping the obtained mixture into a dryer, and dryingfor preparation; 3, inputting the obtained dried material into a heating pipe, and fusing same into a slurry state; 4, conveying the obtained slurry mixture to an adjustable die head, and forming thefinished product through three-roller expansion pressure cooling moulding, wherein the haze of the obtained finished product could be >=99.5%, and the light transmittance can be >=80%.
Owner:SUZHOU SANXIN TIMES NEW MATERIAL CO LTD

Method for producing grey mask

PURPOSE: A manufacturing method of a gray tone mask is provided to improve preciseness with a simplified imaging process, and thus to ensure the quality of the resulted product, while reducing imaging processing time, through only single number of imaging process, thereby being suitably used in TFT-LCD. CONSTITUTION: The manufacturing method of a gray tone mask comprised of a light shield part, projection part, a transmission part and a semi-transmission part comprises: preparing a mask blank where at least a semi-transmission film(22) and a light shield part(23) are formed in this order on a transparent substrate(21); forming a resist film(24) on the mask blank; light exposing the resist film in order to expose patterns that are below the resolution limit of a light exposure device to the part forming the semi-transmission part of the resist film; developing the resist film and forming resist patterns(24a) in a way that the residual film values become different between the part forming the light shield part and the part forming the semi-transmission part; etching the light shield film(23a) and semi-transmission film with the resist patterns as a mask to form the transmission part; removing only resist patterns present on the semi-transmission part; and etching a part of the light shield film and the semi-transmission film with the residual resist patterns as a mask to form the semi-transmission part(22a).
Owner:HOYA CORP

Camera device

InactiveCN1707302ASimple autofocus actionImplement autofocus actionTelevision system detailsColor television detailsOptical axisDriven element
The invention provides an imaging device with simple mechanism, light weight and compactness. In an imaging device (1) provided with a lens (3) accommodated in a lens barrel (2) and an imaging element (4) receiving light passing through the lens (3), the lens barrel (2) includes fixed relative The fixed lens barrel (10) at the position of the imaging element (4) and the movable lens barrel (15) that is arranged so that the end face and the fixed lens barrel (10) are opposite to each other and accommodates the lens (3) are opposite to each other. Each end face of the fixed lens barrel (10) and the movable lens barrel (15) is connected by a telescopic drive element (6), thereby making the lens (3) accommodated in the movable lens barrel (15) relative to the The imaging element (4) moves freely.
Owner:ALPS ALPINE CO LTD

Light-proof food packaging film

The invention discloses a light-proof food packaging film. The light-proof food packaging film has an aluminum substrate; the aluminum substrate is covered with a casting polypropylene layer; a printing layer is attached on the casting polypropylene layer and is covered with a brown light-proof glass paper layer; and a polyethylene layer is arranged below the aluminum substrate. The light-proof food packaging film has the advantages of simple structure, beautiful appearance and certain light-proof performance.
Owner:靖江市东晨彩印厂

Curtain type building curtain wall and mounting method thereof

The invention discloses a curtain type building curtain wall and a mounting method thereof. The curtain wall includes a window frame, a glass clamping groove is formed in the window frame, hollow tempered glass is clamped into the glass clamping groove, and a clamping block is arranged at the lower end of the glass clamping groove and clamped to the lower end of the glass clamping groove to fix the hollow tempered glass; four groups of fixing grooves are formed in the inner side of the window frame and fixedly connected with fixing blocks through bolts, a support column is fixedly connected tothe other end of each connecting rod, a winding device is installed on a roller shaft, a fixed pulley is fixedly connected to one end of the roller shaft, and a traction rope is connected to the fixed pulley; lifting ropes are connected to the winding device and provided with louver blades, and a rotary knob is arranged on the side face of the window frame. The curtain type building curtain wallis reasonable in design and simple in structure. The curtain wall not only achieves functions but also has transparency and a light shielding effect at the same time; the privacy protection performance of the curtain wall is great, and the curtain wall is worthy of wide popularization.
Owner:李淑平

Photosensitive resin composition, cured film, element equipped with cured film, organic EL display device equipped with cured film, cured film production method, and organic EL display device production method

The present invention provides a photosensitive resin composition that exhibits a light blocking effect, is of high sensitivity, and provides excellent halftone characteristics. The photosensitive resin composition comprises (A) an alkali-soluble resin, (B) a radical polymerizable compound, (C) a photopolymerization initiator, and (D) a colorant, wherein: the alkali-soluble resin (A) contains a polyimide, a polyimide precursor, a polybenzooxazole precursor and / or a copolymer thereof; and the radical polymerizable compound (B) contains (B-1) a (meth)acrylic compound that has two or more functional groups and that exhibits a glass transition temperature of at least 150 degrees centigrade when used as a homopolymer and (B-2) a (meth)acrylic compound that has four or more functional groups andthat is other than (B-1).
Owner:TORAY IND INC

An electric response switchable glass

The invention discloses an electric response switchable glass, which comprises two light-transmitting substrates arranged oppositely, a power supply component and a polymer-dispersed liquid crystal layer filled between the two light-transmitting substrates, and the polymer-dispersed liquid crystal layer It is a mixture of material molecules without electrical response characteristics and negative liquid crystal molecules. Visible light is transmitted from the polymer dispersed liquid crystal layer, and the two light-transmitting substrates are electrically connected to the two poles of the power supply component; After the optical substrate is connected to the voltage, the negative liquid crystal can be controlled to turn. Since the material molecules do not have electrical response characteristics and will not turn, the material molecules will prevent the negative liquid crystal from turning, so that the reverse liquid crystal The molecules are arranged in multiple domains, so that the electro-responsive dimming glass changes from a light-transmitting state to a light-scattering state, and the electro-responsive dimming glass can realize the adjustment of the light and shade of the glass by energizing and de-energizing.
Owner:SOUTH CHINA NORMAL UNIVERSITY +2

Adhesive tape suitable for electronic product

InactiveCN106883782ASolve the shortcomings of the singleness of tape performanceSolve the shortcomings of the singleness of performancePressure sensitive film/foil adhesivesEngineeringToughness
The invention discloses an adhesive tape suitable for an electronic product. The adhesive tape comprises a substrate, a first pressure-sensitive adhesive arranged on the upper end of the substrate, a second pressure-sensitive adhesive arranged at the lower end of the substrate, release paper arranged at the lower end of the second pressure-sensitive adhesive and a protective film arranged on the pressure-sensitive adhesive. A through hole is formed in the substrate. The invention discloses the adhesive tape suitable for the electronic product. The adhesive tape has good malleability, durability, toughness and opacity, has the properties of high-temperature resistance, ageing resistance and static resistance, and solves the defect that in the prior art, the performance of the adhesive tape of the electronic product is single.
Owner:合肥达悦电子科技有限公司

Black hot-melt adhesive tape, preparation process therefor and application of black hot-melt adhesive tape

The invention relates to a black hot-melt adhesive tape, a preparation process therefor and an application of the black hot-melt adhesive tape. The black hot-melt adhesive tape comprises a release layer and an adhesive film layer, wherein the upper surface of the release layer is coated with the adhesive film layer, and an adhesive film comprises the following ingredients in parts by weight: 67-74parts of polyamide resin, 6-9 parts of polyurethane resin, 4-6 parts of tackifying resin, 0.3-0.7 part of heat-conducting fillers, 5-9 parts of thixotropic agent, 0.4-0.6 part of antioxidant and 7-13parts of carbon black. The preparation process for the black hot-melt adhesive tape comprises the following steps: S1. subjecting the polyamide resin, the polyurethane resin and the carbon black to extruded blending; S2. then, subjecting the carbon black added polyamide obtained in the S1 and polyurethane blended modified colloidal particles to extruded blending with the tackifying resin, the heat-conducting fillers, the thixotropic agent and the antioxidant; and S3. subjecting the blended colloidal particles to heated melt coating, coating the release paper with a melt adhesive film, carrying out cooling on a water cooling roller, and carrying out drying, thereby obtaining the black hot-melt adhesive tape. According to the black hot-melt adhesive tape, the preparation process therefor and the application of the black hot-melt adhesive tape, the adhesive tape can be used for effectively lowering laser penetration energy and protecting chips.
Owner:天津伟景诺兰达科技有限公司

Shading PC material and preparation method thereof

The invention relates to the technical field of polymer material modification, in particular to a shading PC material and a preparation method thereof. The shading PC material is prepared from the following raw materials: polycarbonate, acid-etched glass beads and talcum powder treated by a coupling agent, and the talcum powder treated by the coupling agent is carried on the acid-etched glass beads. According to the shading PC material disclosed by the invention, the talcum powder treated by the coupling agent is carried in micropores or recesses of the glass beads subjected to acid etching, so that the problem of agglomeration of the talcum powder in polycarbonate can be improved, the mixture can be uniformly dispersed, and the polycarbonate can be modified by utilizing the talcum powderand the glass beads; the prepared shading PC material has shading property, stress concentration of the shading PC material due to non-uniform dispersion of mixed materials is avoided, the mechanicalstrength of the shading PC material is not greatly reduced, and the modified shading PC material is ensured to keep good mechanical strength.
Owner:BULL GRP CO LTD

Liquid crystal display substrate, forming method thereof, liquid crystal display panel and forming method of liquid crystal display panel

The invention discloses a liquid crystal display substrate, a forming method thereof, a liquid crystal display panel and a forming method of the liquid crystal display panel. The forming method of the liquid crystal display substrate comprises the steps that a first substrate is provided, wherein the first substrate comprises a display area and a non-display area, the display area comprises a plurality of transparent areas and a plurality of shading areas, and the shading areas are located between the adjacent transparent areas; a shading material film is formed on the display area and the non-display area, wherein the shading material film has a first optical density; and the shading material film is patterned, and a shading layer is formed on the shading area, wherein the shading layer has second optical density, and the second optical density is larger than the first optical density. According to the method, the alignment accuracy can be improved, and the performance of the formed liquid crystal display substrate and the liquid crystal display panel is good.
Owner:INESA DISPLAY MATERIALS

A kind of biodegradable film, its preparation method and the mulch film containing the same

The biodegradable film provided by the invention uses polyvinyl alcohol and rice husks as raw materials, wherein the rice husks can inhibit the growth of weeds in farmland and reduce the competition ability of weeds, thereby helping crops absorb more nutrients and grow rapidly; Due to the existence of rice husk, the film has shading properties, preventing weeds from photosynthesis and achieving better herbicidal effect; because rice husk is a microporous sheet material, it has certain air permeability, and in the process of film formation, it does not The regularly arranged rice husk fragments are easy to form pores through polyvinyl alcohol glue, so the film provided by the invention has moderate physical properties of air permeability and water permeability, does not affect the necessary oxygen content of the soil and water supply in the later stage, and can effectively Conservation of soil water and fertilizer; the biodegradable film provided by the present invention can begin to degrade in 3-5 months, and finally degrade into organic matter without pollution to the soil, loosen the soil, increase soil fertility, and be green and environmentally friendly.
Owner:湖南萨丰机械科技有限公司

Colored protective film

The invention discloses a colored protective film which comprises an anti-scrape protecting layer, a tensile buffer layer, a colored transmitting layer and a matrix film. The colored transmitting layer covers one face of the matrix film, the tensile buffer layer covers one face of the colored transmitting layer, and the anti-scrape protecting layer covers the surface of the tensile buffer layer. The colored protective film has a certain shading property, and can protect some photosensitive objects. Compared with a common white protective film, the colored protective film is brighter in color,and is more attractive, and packaging and propagandizing of a product are facilitated.
Owner:江敏

Optical lens module and forming method thereof

The invention discloses an optical lens module and a forming method thereof, and the method comprises the following steps: providing a substrate which is provided with a first surface and a second surface opposite to the first surface, forming an intermediate film layer on the first surface, enabling the intermediate film layer to partially cover the first surface of the substrate, and enabling the intermediate film layer to at least comprise a leading-out unit; and forming an optical adhesive on the substrate and the intermediate film layer, the optical adhesive having a groove, the bottom ofthe groove exposing at least a portion of the lead-out unit. According to the invention, the intermediate film layer can be formed between the optical cement and the substrate, so that whether the substrate of the optical lens module is damaged can be detected, and the structure of the optical lens module is optimized.
Owner:HOWE OPTOELECTRONICS TECH SHANGHAI

A kind of laser anti-counterfeiting material and its processing technology for medicine packaging

The invention discloses a laser anti-counterfeiting material used for medicine packaging. The laser anti-counterfeiting material comprises an outer protective layer, a laser anti-counterfeiting layer, an aluminum foil layer, a lining paper layer, a paper board layer and a shading material layer. The laser anti-counterfeiting layer is attached to the glaze surface of the aluminum foil layer; the outer protective layer is a transparent layer and is attached to the surface of the laser anti-counterfeiting layer in a laminating mode; the lining paper layer is attached to the matte surface of the aluminum foil layer; the paper board layer is attached to the outer surface of the lining paper layer; and the shading material layer is applied to the outer surface of the paper board layer in a coating mode. According to the laser anti-counterfeiting material used for medicine packaging, aqueous laser transfer coating is adopted, volatilization of toxic gases of oily transfer coating in the drying process is avoided, the obtained packaging material is suitable for packaging products which people can directly eat, and the requirement of green production is met. A processing method of the laser anti-counterfeiting material is high in finished product rate and suitable for market promotion. The laser anti-counterfeiting material has the shading property, thereby being suitable for packaging medicine products needing to be kept in a dark place.
Owner:JIANGSU KINGHENG PACKAGE MATERIAL CO LTD

Electrooptic device, manufacturing method thereof, liquid crystal device and projective display device

To provide an electrooptic device which can reliably suppress a substrate floating effect, such as a parasitic bipolar phenomenon, in an SOI-MIS transistor, and which has superior electrical characteristics. An electrooptic device (liquid crystal light valve) of the present invention uses, as one substrate, a composite substrate including a quartz substrate (main substrate 10A) having a first coefficient of thermal expansion, an insulating layer (insulating underlayer 12) formed on the quartz substrate, and a single-crystal silicon layer (semiconductor layer 1a) formed on the insulating layer and having a second coefficient of thermal expansion. A TFT 30 that uses the single-crystal silicon layer as a channel region 1a' is formed on the insulating layer, and at least one line defect D exists in the single-crystal silicon layer that forms the channel region 1a'.
Owner:BOE TECH GRP CO LTD

Embedded touch screen and liquid crystal display apparatus

The invention discloses an embedded touch screen and a liquid crystal display apparatus comprising the same. The embedded touch screen is especially suitable for an ultrathin display with an array substrate located on the front surface (the upper surface) and a color film substrate located on the back surface (the lower surface), and can achieve the effects of reducing metal reflection and enhancing image display. The liquid crystal display apparatus comprises the array substrate and the color film substrate arranged oppositely, and a liquid crystal layer located between the array substrate and the color film substrate; in the array substrate, a conductive light shield layer and an interlayer insulation layer are prepared in sequence before a scanning line metal layer is prepared; the conductive light shield layer consists of a plurality of mesh electrodes; the touch screen takes scanning lines or data lines as driving electrodes and takes the mesh electrodes as induction electrodes; the mesh electrodes and the driving electrodes are crossly arranged; and a touch function is realized through driving of a touch driving IC.
Owner:NANJING HUADONG ELECTRONICS INFORMATION & TECH +1

A broadband dual-polarized solar cell antenna and antenna array

The invention discloses a broadband dual-polarized solar cell antenna and an antenna array, comprising an antenna vibrator layer, an isolation layer, a solar cell sheet layer, and an antenna base sequentially arranged from top to bottom; the antenna vibrator layer is fed through a metal column The structure is connected with the antenna base and the coaxial radio frequency connector, the solar battery sheet is arranged on the antenna base, the isolation layer is arranged between the antenna oscillator layer and the solar battery sheet, and the The isolation layer is set with transparent material; the present invention has small shading, high transparency, and wide-band dual-polarization large-angle scanning capability, which not only ensures the performance of the antenna, but also ensures the power generation efficiency of the solar cell, and has high engineering application value.
Owner:CHINA ELECTRONIC TECH GRP CORP NO 38 RES INST

Chromatographic column solar ultraviolet analyzer capable of performing real-time fluorescence analysis

The invention relates to the technical field of ultraviolet analyzers, and particularly relates to a chromatographic column solar ultraviolet analyzer capable of performing real-time fluorescence analysis. The chromatographic column solar ultraviolet analyzer aims to solve the problem that an existing structure cannot analyze fluorescence of all separation products of fluorescence invisible to naked eyes in a chromatographic column in real time. According to the technical scheme, the chromatographic column solar ultraviolet analyzer comprises a columnar body formed by rotatably inserting a first semi-cylindrical type and a second semi-cylindrical type, solar cell panels are arranged on the outer wall of the first semi-cylindrical type and the outer wall of the second semi-cylindrical typerespectively, a first ultraviolet lamp tube and a second ultraviolet lamp tube which can emit light with different wavelengths are vertically arranged on the edges of the same sides of the first semi-cylindrical type and the second semi-cylindrical type respectively, and the first ultraviolet lamp tube and the second ultraviolet lamp tube are powered by solar cells.
Owner:XIAN TECHNOLOGICAL UNIV
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