10results about How to "Reduced optical performance" patented technology

The utility model provides a transparent conductive film for improving transmission color. The transparent conductive film is provided with a flexible base material layer, a barrier layer, a shadow eliminating layer, a color layer and a conductive layer which are sequentially arranged from the bottom surface to the surface. The transparent conductive film for improving transmission color provided by the utility model has the characteristics of good color, good stability, no etching mark, good flexibility, good conductivity and the like, is an excellent transparent conductive film, and is suitable for being popularized in the industry.

Disclosed an optical laminate in which at least two or more optical function layers with visible light transmittance are laminated, wherein the optical function layers include a first function layer that includes at least cerium oxide, has a refractive index in a range of 1.8 or more and 2.6 or less at a wavelength of 550 nm, and has a film thickness in a range of 60 nm or more and 130 nm or less, and a second function layer that is formed in contact with an upper surface of the first function layer, has a refractive index in a range of 1.4 or more and 1.6 or less at a wavelength of 550 nm, and has a film thickness in a range of 80 nm or more and 100 nm or less.

The invention discloses silicon wafer thermal annealing treatment equipment, and relates to the technical field of wafer annealing. The silicon wafer thermal annealing treatment equipment comprises a thermal annealing treatment device, the edge of a silicon wafer is slightly contacted and fixed by arranging a plurality of ceramic cambered surface reinforcing blocks, so that the silicon wafer is kept stable in the rotating process and the thermal annealing treatment process, the silicon wafer is effectively prevented from deviating in the thermal annealing treatment or rotating process, and the service life of the silicon wafer is prolonged. Therefore, the overall stability is improved, potential damage or deviation caused by vibration of the silicon wafer is reduced, it is ensured that the silicon wafer is evenly heated in the thermal annealing process, by providing stable fixing force, thermal stress generated in the thermal treatment process of the silicon wafer is reduced, the deformation risk is reduced, and the service life of the silicon wafer is prolonged. Compared with the prior art, the integrity of the silicon wafer in the optical test or related application is ensured, the reduction of the optical performance of the silicon wafer caused by movement is avoided, and compared with the prior art, the integrity of the silicon wafer in the optical test or related application is improved.

The present invention provides a camera lens unit that can suppress the reduction of optical performance even if the plastic lens absorbs water. The camera lens unit (1) has a lens barrel (2) formed of a resin material and a first plastic lens (10) to a seventh plastic lens (70) housed in the lens barrel (2). At least two adjacent plastic lenses among the first plastic lens (10) to the seventh plastic lens (70) have different water absorption rates. In these two plastic lenses with different water absorption rates, a conical interlocking inclined surface centered on the optical axis X is formed so as to be interlocked on the outside of the optically effective part of each lens. When forming the interlocking inclined surface, the interlocking inclined surface of the high water absorption side plastic lens on the side with high water absorption rate is formed on the outside of the interlocking inclined surface of the low water absorption side plastic lens on the side with low water absorption rate.

A biomimetic mother-of-pearl interlocking structure hydrophobic hemp fiber-based radiation cooling membrane and its preparation method are disclosed, belonging to the field of radiation cooling technology. To address the problems of environmentally unfriendly raw materials, high cost, complex preparation processes, and low cooling efficiency in existing radiation cooling materials, this invention provides a preparation technology for a hemp fiber-based biomimetic radiation cooling membrane and a flexible fabric coating. Using industrial hemp recycled fibers as the core green matrix, through synergistic design of material innovation, structural innovation, and process innovation, it comprehensively solves the technical defects of existing radiation cooling materials, providing a new green solution for the large-scale application of radiation cooling technology in multiple scenarios. This radiation cooling membrane, using recycled industrial hemp fibers as the matrix, combines the characteristics of being environmentally friendly, having a biomimetic interlocking structure, and providing high-efficiency radiation cooling. The preparation process is simple and can be mass-produced, meeting the application needs of multiple fields such as building energy conservation, outdoor equipment manufacturing, electronic equipment thermal management, and agricultural greenhouse film control.

The invention provides a 3D microcrystalline glass, which is characterized in that the crystallinity of the 3D microcrystalline glass is 14-100 wt%; the average particle size of the crystals of the 3D microcrystalline glass is 10 to 100 nm; the thickness of the 3D microcrystalline glass ranges from 0.02 mm to 5 mm. The preparation method of the 3D microcrystalline glass is small in processing difficulty and low in processing cost, and the 3D hot bending crystallization time is far shorter than the conventional crystallization time; the time cost is saved, and meanwhile heat treatment energy is saved.

The utility model relates to the field of light guide plates, and discloses a microstructure light guide plate display module which comprises a light emitting source, an optical lens is fixedly connected in the light emitting source, the rear end of the optical lens is fixedly connected with a reflective back plate, and a light guide plate body is fixedly connected in the optical lens. The light guide plate comprises a light guide plate body, a light guide sheet is fixedly connected to the interior of the light guide plate body, a plurality of microgroove structures are arranged in the light guide sheet, a connecting layer is fixedly connected to the front side of the light guide sheet, a first protective layer is fixedly connected to the front side of the connecting layer, and a second protective layer is fixedly connected to the front side of the first protective layer. The front side of the second protective layer is fixedly connected with a waterproof and dustproof assembly. According to the utility model, the light guide plate body is protected, so that the light guide plate body is prevented from being influenced by an external environment and chemical substances, the optical performance of the light guide plate body is prevented from being reduced, and the service life and the stability of the light guide plate body are improved.

The invention relates to the technical field of polyethylene glycol terephthalate production, in particular to polyethylene glycol terephthalate as well as a preparation method and application thereof. The preparation method comprises the following steps: loading p-toluenesulfonic acid and stannous octoate on an MCM-41 molecular sieve to prepare a catalyst A; the MCM-41 molecular sieve has a large specific surface area and a regular pore structure, so that active components can be highly dispersed, exposure of active sites is increased, and the activity of the catalyst A is greatly improved. The catalyst B is prepared by compounding cerous sulfate and ethylene glycol antimony as main raw materials, and the reaction efficiency is greatly improved through a series of steps such as silicon dioxide loading. The prepared polyethylene glycol terephthalate with relatively concentrated molecular weight distribution has good mechanical properties, such as relatively high tensile strength, bending strength and impact strength, and can meet the basic requirements of being used as an LED lampshade material.

The present application relates to the technical field of obstacle removing equipment, and discloses an intelligent laser breaking and removing device with inclination angle protection, which comprises a laser breaking main body shell, a plurality of small lenses and large lenses, and a heat prevention and control assembly is arranged in the laser breaking main body shell and used for autonomously protecting the zoom lens; the heat prevention and control assembly comprises an outer pipe which is arranged in the laser breaking main body shell, and the plurality of large lenses are coaxially arranged on the inner wall of the outer pipe through first fixing rings. The device is matched with the outer pipe, the inner rotating sleeve pipe, the T pipe, the one-way valve, the first fin, the second fin and low-temperature nitrogen, the inner rotating sleeve pipe rotates to drive the T pipe to reciprocatingly move along the inner cylinder axis, negative pressure and positive pressure are generated by the volume change of the first cavity and the second cavity, the waste gas carrying heat after absorbing the heat of the lenses can be discharged in time during the reciprocating transverse movement of the T pipe, and the low-temperature nitrogen is sucked to carry out a new round of cooling, so that the small lenses and the large lenses are comprehensively cooled and protected.

The present invention provides a 3D glass-ceramic, characterized in that the crystallinity of the 3D glass-ceramic is 14-100wt%; the average particle size of the crystals of the 3D glass-ceramic is 10-100nm; and the thickness of the 3D glass-ceramic is 0.02-5mm. The preparation method of the 3D glass-ceramic of the present invention has low processing difficulty and low processing cost, and the 3D hot bending crystallization time is much shorter than the conventional crystallization time; it saves time cost and energy for heat treatment.