8results about How to "Stable transmittance" patented technology

The invention provides a high-water-resistance optical film and a polarizing plate comprising the same. The high-water-resistance optical film comprises a base film, a water-resistance layer and an adhesive layer, the structure of the high-water-resistance optical film comprises a water-resistance layer, a first adhesive layer, a base film and a second adhesive layer which are stacked in sequence, or the water-resistance layer, the base film and the second adhesive layer which are stacked in sequence, the surface of the waterproof layer is provided with nanometer protrusions and micropore structures which are uniformly and orderly arranged. The high-water-resistance optical film has excellent hydrophobicity, the water-resistance layer can efficiently absorb ultraviolet radiation, the problems of aging, yellowing, embrittlement and the like of the optical film caused by ultraviolet radiation are effectively prevented, the high-water-resistance optical film can be applied to a polarizing plate, and the service life of the polarizing plate is greatly prolonged.

The invention discloses a microelectronic component production and packaging process, and belongs to the technical field of microelectronic component packaging. A-NH2 group on the surface of the carbon nano tube and an imine group-CO-N-CO-on a polyimide molecular chain can form a hydrogen-bond interaction, so that the carbon nano tube can be effectively dispersed among the polyimide molecular chains, and during graphitization treatment, a carbon-carbon structure of the carbon nano tube is used as a microcrystalline nucleus for graphite growth, so that the carbon nano tube can be effectively dispersed among the polyimide molecular chains. According to the invention, the carbon atoms are introduced into the graphite film, so that disordered carbon atoms are induced to be rearranged, ordered graphite crystals are formed, a regular carbon-carbon structure forms a good heat-conducting passage in the graphite film, and the heat-conducting effect of the fluorescent glue is improved; in addition, ordered graphite crystals are uniformly dispersed in a fluorescent glue system through the prepared hyperbranched polymer dispersion stabilizer, the fluorescent glue with stable light transmittance and heat conduction effect is obtained, and the LED packaging effect is improved.

The utility model discloses a floor UV curing device belongs to floor processing field. Including conveyer, the curing assembly is set up in conveyer, and the curing assembly includes the curing box of installation on conveyer, and the curing box is provided with the curing part for the curing of floor surface paint, and the adjusting part that adjusts the height of curing part is provided on conveyer and is in the internal region of curing box, and the suction part that removes paint mist particle is set up in the top and side wall of curing box, the cleaning assembly is set up in the curing box, and the cleaning assembly includes the support plate of installation on the curing part, and the both ends of two groups of support plate parallel fixed guide rod and hollow rod, and the movable sleeve of sliding sleeve joint is all had on guide rod and hollow rod, and two groups of movable sleeve are connected through fixed part one and are used for the cleaning part of the cleaning of curing part. A kind of floor UV curing device of the application, through the curing assembly stability environment adjust distance and evenness, suction part draws paint mist and reduces residue, and cleaning assembly cleans dirt and is stable transmittance.

The application belongs to the technical field of denture materials, and particularly relates to a special neutral water-based dyeing solution for full-porcelain dentures, a preparation method and application thereof. The dyeing solution is formed by scientifically compounding a coloring part, a surface modification part and a pH adjusting part, and is a stable, neutral and non-corrosive water-based solution. The technical scheme effectively solves the hidden safety hazards existing in the transportation, storage and use of traditional acid dyeing solution, and effectively reduces the potential influence of the acid dyeing solution on the surface structure and mechanical properties of the full-porcelain denture zirconia restoration. After the full-porcelain denture zirconia restoration is treated by the neutral water-based dyeing solution, excellent coloring effect and high tooth color simulation can be achieved through subsequent sintering, and the color simulation degree and clinical application value of the full-porcelain denture product are significantly improved.

The invention discloses a PCB laser windowing device which is characterized in that a first loading and unloading platform is driven by a first loading and unloading mechanism to reciprocate between a first loading and unloading station and a first processing station, and a second loading and unloading platform is driven by a second loading and unloading mechanism to reciprocate between a second loading and unloading station and a second processing station; the waiting time for the PCB laser windowing device to execute laser windowing work is shortened through alternate operation of the first feeding and discharging platform and the second feeding and discharging platform; the laser windowing mechanism drives the laser to reciprocate between the first machining station and the second machining station, and efficient utilization of the laser is achieved. The laser passing through the lens cleaning station is cleaned through the lens cleaning mechanism, so that a laser lens can be effectively cleaned in the process of moving to the next processing station after each laser windowing work is completed, the stability of the light transmittance of the laser lens is ensured, and the processing precision of PCB windowing is further ensured.

This invention belongs to the field of coating materials, specifically including an anti-fog coating, its preparation method, and its application. The raw materials for preparing the anti-fog coating specifically include the following components: photothermal nanoparticles, polyvinyl alcohol, phytic acid solution, glutaraldehyde solution, and deionized water in a ratio of 0.6 kg: 15 kg: 20 L: 10 L: 150 L. The photothermal nanoparticles are added to deionized water and ultrasonically dispersed to obtain a uniform nanoparticle suspension. Polyvinyl alcohol is added to this suspension, and the system is placed in a high-temperature water bath and magnetically stirred until completely dissolved. Then, an appropriate amount of phytic acid solution is added, and ultrasonically dispersed until the phytic acid is fully dissolved. Next, glutaraldehyde solution is added to the mixture, and magnetically stirred to allow the glutaraldehyde to fully react with the system components, obtaining a stable and dispersed coating. Finally, the coating is uniformly applied to the surface of a glass substrate and allowed to air dry naturally in a ventilated area. The resulting coating effectively inhibits the formation of fog droplets and accelerates the dissipation of existing fog droplets, while maintaining good light transmittance.

The present application relates to the technical field of semiconductor packaging materials, in particular to a liquid plastic packaging material for MiniLED with high light transmission and low stress and a preparation method thereof.The liquid plastic packaging material comprises the following components: vinyl MQ silicone resin, phenyl hydrogen-containing silicone resin, hydrogen-containing silicone oil, silicone epoxy resin, platinum gold catalyst, ethynyl cyclohexanol, epoxy group-containing silane coupling agent, silicone defoaming agent, fumed silica and phenyl vinyl silicone resin;the fumed silica is dried, then ground with part of the base resin to form a master batch, and then mixed with the remaining components to remove bubbles to obtain a liquid component;the catalyst and the inhibitor are respectively diluted into a premix, and then mixed in sequence and deaerated again before use.The present application realizes the extreme uniform dispersion of fumed silica and the precise release of stress by constructing a multiple crosslinking network and a double crosslinking system, combining the interface compatibilization effect and the gradient curing process, and solves the technical problem that high light transmission and low stress are difficult to be considered simultaneously.

The application provides a high-water-resistance optical film and a polarizing plate comprising the same, the high-water-resistance optical film comprising a base film, a water-resistance layer and a bondable layer; the structure of the high-water-resistance optical film comprising the water-resistance layer, the first bondable layer, the base film and the second bondable layer which are sequentially stacked, or the water-resistance layer, the base film and the second bondable layer which are sequentially stacked; the surface of the water-resistance layer having uniform and orderly arranged nano-protrusions and microporous structures. The high-water-resistance optical film has excellent hydrophobicity, and the water-resistance layer can efficiently absorb ultraviolet radiation, effectively preventing the problems of aging, yellowing, embrittlement and the like of the optical film caused by ultraviolet irradiation, and can be applied to the polarizing plate, greatly improving the service life of the polarizing plate.