A low dielectric constant OCA optical material and a preparation method. The material comprises a first release film layer, a first organic silicon material layer, a low-K thin film, a second organic silicon material layer, and a second release film layer stacked in sequence. Raw material formulas of the first organic silicon material layer and the second organic silicon material layer comprise the following raw materials: vinyl silicone oil, a vinyl silicone resin, hydrogen-containing silicone oil, a hydrogen-containing silicone resin, a low-K resin, additives, a stabilizer, and a catalyst. The low-K resin is a non-polar resin. The low-K thin film is a silicon-based low-K thin film. The present invention reduces the dielectric constant of OCA, such that the dielectric constant K value is less than or equal to 3.0.
A method for eliminating broken bright spots of an anti-glare display panel. The display panel comprises an anti-glare glass cover plate, with one side face of the anti-glare glass cover plate being of an anti-glare structure layer. The method comprises: cleaning an outer surface of a display screen; coating the outer surface of the display screen with a layer of an adhesive; arranging a plurality of transparent cones on the adhesive, with the bottom surfaces of the cones being in contact with the adhesive; filling spaces between the cones with the adhesive, with the adhesive being arranged beyond the tops of the cones; and adhering and fixing the anti-glare glass cover plate, with the surface of the side without the anti-glare structure layer corresponding to the tops of the cones. The present invention can eliminate the occurrence of broken bright spots which are generated during the etching of the anti-glare glass cover plate.
G09F 9/30 - Dispositifs d'affichage d'information variable, dans lesquels l'information est formée sur un support, par sélection ou combinaison d'éléments individuels dans lesquels le ou les caractères désirés sont formés par une combinaison d'éléments individuels
A hot-melt optical clear adhesive (OCA) film and a preparation method. The hot-melt OCA film is an optical grade material using a hot-melt resin and a silicone resin as a main body, wherein the hot-melt resin comprises a thermosetting resin and a thermoplastic resin, and the silicone resin contains reactive methyl phenyl polysiloxane, methyl phenyl T resin, methyl phenyl silicone resin, a phenyl cross-linking agent, a phenyl chain extender, and an additive. The hot-melt OCA film has good light transmittance, bonding strength, cold and hot impact resistance, and weather resistance.
An automobile interior multimedia system, comprising an automobile carriage, wherein a plurality of rows of automobile seats (1) are arranged inside the carriage, the automobile seats (1) in two adjacent rows are taken as a group, one group of the automobile seats (1) are oppositely arranged, and an electronic entertainment desktop (2) is arranged in the middle of the group of the automobile seats (1); and the automobile seats (1) inside the carriage are all rotatably arranged. According to the automobile interior multimedia system, by means of the structure where front rows and rear rows of the seats (1) in an automobile are designed in opposite directions, passenger seats in the automobile are arranged to sit facing opposite directions, and at the same time, the electronic entertainment desktop (2) is arranged in the middle of the two rows of seats (1), such that passengers in the automobile can conveniently chat face to face, and the electronic entertainment desktop (2) can further provide rich multimedia entertainment activities for the passengers; and the seats (1) are arranged to be of an adjustable type, and can better meet various riding requirements.
B60N 2/14 - Sièges spécialement adaptés aux véhiculesAgencement ou montage des sièges dans les véhicules le siège ou l'une de ses parties étant mobile, p. ex. réglable le siège entier étant mobile rotatif, p. ex. pour faciliter l'accès
B60R 11/02 - Autres aménagements pour tenir ou monter des objets pour postes radio, de télévision, téléphones, ou objets similairesDisposition de leur commande
5.
ULTRA-NARROW BEZEL LIQUID CRYSTAL BACKLIGHT STRUCTURE AND ASSEMBLING METHOD
An ultra-narrow bezel liquid crystal backlight structure, comprising a light guide plate (1) and a light source (2). The light source (2) is installed on the back surface of the light guide plate (1), and the back surface of the light guide plate (1) is provided with two kinds of thin films, namely an antireflection film (3) and a reflection film (4). The antireflection film (3) is arranged in an area where the light source (2) is installed on the back surface of the light guide plate (1), and the reflection film (4) is arranged in the rest area of the back surface of the light guide plate (1) other than the area where the light source (2) is installed. According to the ultra-narrow bezel liquid crystal backlight structure and an assembling method, a side edge structure is eliminated, and the whole display product can be designed to have an extremely narrow bezel; the light source (2) is arranged on the back surface of the light guide plate (1), and the light transmittance of areas of the light guide plate (1) is adjusted and scattering of light on the front surface of the light guide plate (1) is effectively adjusted by providing the antireflection film (3) and the reflection film (4) on the back surface of the light guide plate (1) and by frosting, or providing a transflective film (5) on, the front surface of the light guide plate (1), thus making light uniform.
G02B 6/00 - Guides de lumièreDétails de structure de dispositions comprenant des guides de lumière et d'autres éléments optiques, p. ex. des moyens de couplage
A smart classroom, comprising a projection module (1), an ambient light monitoring module (2), a main control module (4), and an ambient brightness control module (3). The projection module (1) is connected to the ambient light monitoring module (2), and the main control module (4) is connected to the ambient light monitoring module (2) and the ambient brightness control module (3). According to the smart classroom, the projection module (1), the ambient light monitoring module (2), the main control module (4), and the ambient brightness control module (3) form an Internet of Things. The ambient brightness control module (3) may be any one or the combination of two or all of an intelligent window module (31), an intelligent curtain module (32), and an intelligent light source module (33). During the use of projection in a classroom, the ambient light monitoring module (2) automatically monitors the ambient brightness and reports the brightness information to the main control module (4), and the main control module (4) does not perform any processing if the ambient brightness is lower than a predetermined threshold and, otherwise, executes an intelligent ambient brightness control processing instruction.
G05B 19/042 - Commande à programme autre que la commande numérique, c.-à-d. dans des automatismes à séquence ou dans des automates à logique utilisant des processeurs numériques
Disclosed is a projection system having a self-luminous screen, the system comprising a projection system. The projection system comprises a projector (1), the self-luminous projection screen (2) and a reflection plane (3), wherein the self-luminous projection screen (2) is, in particular, the projection screen (2) excited by the projected light from the projector (1) to emit light; the projector (1) is located at a side of the self-luminous projection screen (2); a light-emitting source of the projector (1) is aligned with a front face of the self-luminous projection screen (2); and the reflection plane (3) is attached to a back face of the self-luminous projection screen (2). According to the projection system having the self-luminous screen, the projection screen (2) can be excited by the projected light from the projector (1) so as to have a self-luminous function, and at the same time, the reflection plane (3) can reflect the light that is projected by the projector (1) and passes through the screen, such that the resistance of the projection system to ambient light is greatly improved, the display brightness is effectively improved, and the system cost is reduced.
Disclosed is an image processing method for a touch display product. According to the image processing method for a touch display product, during full-screen display of a screen, an image displayed on the screen can be scaled down by means of a corresponding trigger instruction to form, on the screen, a blank writing area for writing. In this way, writing on the screen of the touch display product can be very conveniently performed, and there is no need to interrupt displayed video signals. The written content and the original image content can be presented on the same screen, such that better lecturing and demonstration effects can be achieved, and the user experience of a user can be improved.
A smart blackboard, comprising a blackboard frame (1) and a blackboard main body (2), the blackboard main body (2) being mounted inside the blackboard frame (1); the blackboard main body (2) has a total of four structural layers which sequentially comprise, from outside to inside, a first anti-glare transparent structural layer (3), a second anti-ambient-light projection curtain layer (4), a third touch layer (5) and a fourth backplate structural layer (6); the first anti-glare transparent structural layer (3) is specifically a rough structure manufactured by using a spraying method or an etching method, and the second anti-ambient-light projection curtain layer (4) is specifically a black grid structure, a Fresnel structure or an anti-ambient-light film-coating structure; a light-transmitting glue layer (7) further needs to be coated between the first anti-glare transparent structural layer (3) and the second anti-ambient-light curtain layer (4), and the glue layer (7) completely fills gaps between the first anti-glare transparent structural layer (3) and the second anti-ambient-light curtain layer (4) and micro-structure recessed regions on the second anti-ambient-light curtain layer (4). The smart blackboard has an integrated design without any assembling gap, supports writing by chalks or fountain pens, supports touch interaction, and displays images clearly.
B32B 33/00 - Produits stratifiés caractérisés par des propriétés particulières ou des caractéristiques de surface particulières, p. ex. par des revêtements de surface particuliersProduits stratifiés conçus pour des buts particuliers non couverts par une seule autre classe
B32B 3/08 - Caractérisés par des caractéristiques de forme en des endroits déterminés, p. ex. au voisinage des bords caractérisés par des éléments ajoutés à des endroits déterminés
An organosilicon porous breathable disinfection and sterilization nano-filtration material for masks that is synthesized from a component A and a component B. The component A comprises the following components: methyl vinyl polysiloxane, methyl hydrogen-containing polysiloxane, a chain extender, a foaming agent, a tackifier, an alkynol inhibitor, and a sanitizer. The component B comprises the following components: methyl vinyl polysiloxane, an anti-structuring agent, a weak reinforcing agent, a foam stabilizer, and a platinum catalyst. After the organosilicon porous breathable disinfection and sterilization nano-filtration material for the masks is mixed and cured, the section foam holes are fine and uniform; the material has the advantages that the mask is flexible and transparent, enough breathing channels of the mask are guaranteed, the surface area is huge, the surface is full of stickiness and disinfection and sterilization factors, viruses and bacteria can be effectively adhered and killed, and the mask can be kept safe and sanitary in the long-time use process.
nnnnn3-n3-n. Compared with the prior art, the graphene PUR and a graphene-based electromagnetic and heat-shielding polyurethane material utilize physical properties of graphene such as excellent electronic effect and thermal effect, not only achieve the performance of electromagnetic and heat shielding at the same time, but with proper fill amount control, also allow the components to synergize, thus attaining excellent mechanical strength and reliable stability.
C09J 171/00 - Adhésifs à base de polyéthers obtenus par des réactions créant une liaison éther dans la chaîne principaleAdhésifs à base de dérivés de tels polymères
C09J 167/00 - Adhésifs à base de polyesters obtenus par des réactions créant une liaison ester carboxylique dans la chaîne principaleAdhésifs à base de dérivés de tels polymères
C09J 11/04 - Additifs non macromoléculaires inorganiques
C09J 11/06 - Additifs non macromoléculaires organiques
A graphene UV pressure-sensitive adhesive and a preparation method therefor. The graphene UV pressure-sensitive adhesive has a formula comprising the following raw materials: aromatic carbamate acrylate, aliphatic carbamate acrylate, polysiloxane acrylate, a reactive diluent, a tackifying resin, a photosensitive initiator, a stabilizer, graphene, a carbon nanotube, a carbon interface treating agent, a silane coupling agent, and a functional additive. The graphene UV pressure-sensitive adhesive is light in weight, viscoelastic, fine and uniform in cross-section foam pores, is firm in bonding with a base material due to the interaction between a graphene nanometer thin film and an organic silicon material base body, excellent in compression resistance, impact resistance and thermal stability, and applicable to lightweight application scenes such as sealing shock absorption, microwave absorption, electromagnetic shielding, and heat dissipation protection. Compared with the prior art, the graphene UV pressure-sensitive adhesive has the following physical properties: the electromagnetic and thermal simultaneous shielding performance is achieved, the weight ratio and volume ratio are properly controlled, the curing rate and curing degree are good, and the excellent mechanical strength and reliable stability are achieved by means of the synergistic effect of the components.
A graphene-based polyurethane porous nanometer material and a preparation method therefor. The graphene-based polyurethane porous nanometer material is formed by mixing component A and component B according to a mass ratio of (1-2): 1. The component A comprises the following components: polyether polyol, polyester polyol, a chain extender, graphene, an anti-structuring agent, a weak reinforcing agent, a foaming agent, and a diluent; the component B comprises the following components: a tackifying resin, a tackifier, isocyanate, graphene, an anti-structuring agent, a weak reinforcing agent, a foam stabilizer, and a functional additive. The graphene-based polyurethane porous nanometer material has the advantages of porosity and small relative density.
Provided are a graphene hydrogel and a method for preparation thereof, the starting material formulation of said graphene hydrogel including the following components in parts by weight: 10-50 parts of vinyl-terminated polydimethylsiloxane; 10-50 parts of vinyl-terminated polymethylvinylsiloxane; 1-10 parts of methyl-terminated polysiloxane containing hydrogen; 1-10 parts of hydrogen-terminated polysiloxane; 0.1-5 parts of silicon–hydrogen chain extender; 10-50 parts of graphene; 1-10 parts of carbon nanotubes; 0.1-2 parts of tackifier; 0.1-2 parts of carbon interface treatment agent; 1-5 parts of inert diluent, 0.01-1 part of acetylenic alcohol inhibitor; and 0.01-1 part of platinum–gold catalyst. In comparison with the prior art, the graphene hydrogel and graphene-based electromagnetic and thermal shielding silicone materials utilize the excellent electronic and thermal effects and other physical properties of graphene, not only achieving the performance of simultaneous electromagnetic and thermal shielding, but the components also act in synergy, enabling excellent mechanical strength and reliable stability.
A graphene AB adhesive and a preparation method therefor. The graphene AB adhesive comprises the following components according to the percentage by weight: a component A: 30%-60% of bisphenol-type glycidyl ether epoxy resin, 10%-30% of polyphenol-type glycidyl ether epoxy resin, 1%-10% of heterocyclic mixed epoxy resin, 1%-10% of a reactive diluent, 1-10% of a toughening agent, 5%-30% of graphene, 1%-10% of carbon nanotubes, 0.1%-2% of a carbon interface treating agent, and 0.01%-1% of a reactive organic silicon modifier; and a component B: 30%-50% of a curing agent, 1%-10% of a curing accelerator, 1%-10% of an inactive diluent, 5%-30% of graphene, 1%-10% of carbon nanotubes, 0.1%-2% of a carbon interface treating agent, and 0.01%-1% of a reactive organic silicon modifier. According to the graphene AB adhesive, the excellent electronic effect, heat effect and other physical properties of graphene are utilized, the electromagnetic and heat simultaneous shielding performance is achieved, the weight ratio and the volume ratio are properly controlled, the components achieve a synergistic effect, and excellent mechanical strength and reliable stability are achieved.
A graphene-based organic silicon porous nano material and a preparation method therefor. The material is composed of a component A and a component B in a weight ratio of 1-2:1. The component A comprises the following raw materials in parts by weight: 10-50 parts of methyl vinyl polysiloxane; 5-20 parts of methyl hydrogen-containing polysiloxane; 0.1-5 parts of a chain extender; 0.1-10 parts of a parting agent; 5-30 parts of graphene; 0.05-2 parts of a structuring control agent; 0.05-2 parts of a silane coupling agent; 0.01-1 parts of a silicone-based inhibitor; and 0.5-5 parts of a foaming agent. The component B comprises the following raw materials in parts by weight: 10-20 parts of methyl vinyl polysiloxane; 10-30 parts of a methyl vinyl MQ silicone resin; 0.1-10 parts of a parting agent; 5-30 parts of graphene; 0.05-2 parts of a structuring control agent; 0.01-1 parts of a catalyst; and 0.5-5 parts of an activator. The described graphene-based organic silicon porous nano material is lightweight and viscoelastic and has fine and uniform cross-sectional pores; a graphene nano film interacts with an organic silicon material matrix; a bonding substrate is firm and has excellent compression resistance, impact resistance and thermal stability; moreover, the described material is suitable for lightweight application scenarios, such as sealing and shock absorption, microwave absorption, electromagnetic shielding and heat dissipation protection.
C08K 3/30 - Composés contenant du soufre, du sélénium ou du tellure
C08K 5/09 - Acides carboxyliquesLeurs sels métalliquesLeurs anhydrides
C08K 5/548 - Composés contenant du silicium contenant du soufre
C08K 5/544 - Composés contenant du silicium contenant de l'azote
C08K 5/5435 - Composés contenant du silicium contenant de l'oxygène contenant de l'oxygène dans un cycle
C08J 9/08 - Mise en œuvre de substances macromoléculaires pour produire des matériaux ou objets poreux ou alvéolairesLeur post-traitement utilisant des gaz de gonflage produits par un agent de gonflage introduit au préalable par un agent chimique de gonflage dégageant de l'anhydride carbonique
C08J 9/10 - Mise en œuvre de substances macromoléculaires pour produire des matériaux ou objets poreux ou alvéolairesLeur post-traitement utilisant des gaz de gonflage produits par un agent de gonflage introduit au préalable par un agent chimique de gonflage dégageant de l'azote
17.
HIGH REFRACTIVE INDEX SILICA GEL FOR FULL LAMINATION OF LIQUID CRYSTAL DISPLAY SCREEN
A high refractive index silica gel for full lamination of a liquid crystal display screen. The high refractive index silica gel for the full lamination of the liquid crystal display screen comprises a component A and a component B, wherein the component A comprises the following raw materials in parts by weight: 50-60 parts of a methyl phenyl vinyl silicone resin, 35-50 parts of methyl phenyl vinyl silicone oil, and 0.1-0.3 part of a platinum group catalyst; and the component B comprises the following raw materials in parts by weight: 20-30 parts of POSS modified hydrogen-containing silicone oil having functions of a cross-linking agent and a bonding agent, 30-50 parts of a methyl phenyl vinyl silicone resin, 20-30 parts of methyl phenyl vinyl silicone oil, and 0.1-0.3 part of an inhibitor. The light transmittance of the silica gel for the full lamination of the liquid crystal display screen is improved, the difference in refractive index among lamination media is reduced, the display effect of the liquid crystal display screen is improved, and moreover, the heat resistance of the materials is improved by means of introduction of phenyl groups.
Disclosed is a printing technology for a full lamination method. A screen frame (4) is comprised, the screen frame (4) is provided with a bottom frame (2) for being attached to the surface of a product (1) to be printed with glue (3), an inner side edge of the bottom frame (2) encloses to form a glue application area (5), the surface of the product (1) to be printed with the glue (3) is provided with an area to be glued (6), the shape of the glue application area (5) is the same as that of the synchronously reduced area to be glued (6), the distance between the inner side edge of the bottom frame (2) and a corresponding side edge of the area to be glued (6) on the surface of the product (1) to be printed with the glue (3) is 1.3 to 1.7 mm, and the viscosity of the glue (3) is 40,000 to 50,000 centipoises. When the glue (3) is printed, the screen frame (4) is aligned with and presses down the product (1) to be printed with the glue (3); afterwards, the glue (3) is applied to the glue application area (5) of the screen frame (4); then, the glue is scraped with a scraper, and part of the glue (3) enters the position between the screen frame (4) and the surface of the product (1) to be printed with the glue (3); and finally, pre-curing is carried out. The technology can prevent glue deficiency while ensuring the amount of excess glue.
B05D 3/02 - Traitement préalable des surfaces sur lesquelles des liquides ou d'autres matériaux fluides doivent être appliquésTraitement ultérieur des revêtements appliqués, p. ex. traitement intermédiaire d'un revêtement déjà appliqué, pour préparer les applications ultérieures de liquides ou d'autres matériaux fluides par cuisson
B05D 3/06 - Traitement préalable des surfaces sur lesquelles des liquides ou d'autres matériaux fluides doivent être appliquésTraitement ultérieur des revêtements appliqués, p. ex. traitement intermédiaire d'un revêtement déjà appliqué, pour préparer les applications ultérieures de liquides ou d'autres matériaux fluides par exposition à des rayonnements
B05D 7/24 - Procédés, autres que le flocage, spécialement adaptés pour appliquer des liquides ou d'autres matériaux fluides, à des surfaces particulières, ou pour appliquer des liquides ou d'autres matériaux fluides particuliers pour appliquer des liquides ou d'autres matériaux fluides particuliers
C09J 183/07 - Polysiloxanes contenant du silicium lié à des groupes aliphatiques non saturés
19.
TRANSPARENT SILICONE GEL CAPABLE OF DUAL-CURING BY USING ULTRAVIOLET LIGHT IRRADIATION AND HEATING
3221/21/2 end-capped linear structured polysiloxane, the viscosity of component A is 50000-150000 centipoise, and the viscosity of component B is 300-10000 centipoise; component C is vinyl polysiloxane having a branched structure, component D is an adhesion promoter, and component E is a compound conforming to general formula (1). The prepared transparent silicone gel capable of dual-curing by using ultraviolet light irradiation and heating may start to be cured after being initiated by illumination by means of ultraviolet light irradiation for a short time, and a heating condition may accelerate the speed of curing.
brevets