30results about How to "Change transparency" patented technology

The invention provides a method for preparing degradable polyolefin with controllable number of degradation units and high monomer utilization rate, comprising the following steps: dissolving cycloketene acetal, free radical initiator and chain transfer reagent in a solvent and then React with olefins or olefin derivatives to obtain degradable polyolefin materials. The invention uses RAFT polymerization of cyclic ketene acetal and olefin to copolymerize cyclic ketene acetal and polyolefin in a random manner, and introduces ester bonds on all polyolefin carbon skeletons. The quantity of the degradable units (ester bonds) introduced by the method of the present invention is controllable, the utilization rate of the monomer is high, the production cost can be effectively reduced and the degradation of the polyolefin can be controlled.

The present invention discloses an image processing method and apparatus. The image processing method comprises the following steps that: target images of preset image content is obtained, all regions in the target images except the preset image content are transparent regions; preset processing regions in the target images are determined; as for each pixel in each preset processing region, some pixels are adopted as first background pixels, the absolute value of the difference value of the pixel value of each of the pixels and any one of N preset pixel values is larger than a threshold value, and the transparency of first target pixels adjacent to the first background pixels in the preset processing regions are changed to be first transparency; the changed target images and background images are synthesized, wherein the background images include a left-eye background image and a right-eye background image, and therefore, a 3D left-eye image and a 3D right-eye image can be obtained; and 3D display is performed based on the 3D left-eye image and the 3D right-eye image.

The invention belongs to the technical field of film materials, in particular to a transparent heat-insulating and anti-ultraviolet composite film based on a photonic quasi-crystal material and a preparation method thereof. The structure of the composite film of the present invention is a transparent base layer, a photonic quasicrystal functional film layer, an adhesive layer and a peelable layer; the photonic quasicrystal film is composed of polymer core-shell structure microspheres arranged in three-dimensional order and infrared functional nanoparticles through Formed by a specific process, it has tunable structural color and optical transparency. The structural color, transparency, and wavelength range of blocking ultraviolet and infrared can be adjusted by adjusting the core microsphere size, shell thickness, refractive index and infrared functional nanoparticle content of the core-shell microspheres, and the ultraviolet and infrared wavelength range can also be controlled by adjusting the thickness. and infrared blocking efficiency. The composite film formed by the invention has high ultraviolet light blocking efficiency, high visible light transmittance, good heat insulation effect, excellent transparent heat insulation, anti-ultraviolet and explosion-proof performance; it can be used for energy-saving and explosion-proof of automobiles and architectural glass.

Embodiments of the present disclosure provide a projection screen including a transflector, and a display adjustment assembly. The transflector has a front surface that reflects projected light. The display adjustment assembly is provided on the rear surface side of the transflector and is configured to adjust transparency.

A method of making an optically diffusive adhesive comprises: preparing a first adhesive composition comprising first particles dispersed in an optically clear adhesive matrix; determining a first haze and a first clarity of the first adhesive composition; and based upon the first haze and the first clarity, preparing a second adhesive composition that comprises the optically clear adhesive matrix, the first particles, and second particles dispersed in the optically clear adhesive matrix. An optically diffusive adhesive comprises first and second particles dispersed in an optically clear adhesive matrix is also disclosed. The first and second particles have a higher refractive index than the optically clear adhesive matrix. Articles comprising the optically diffusive adhesive are also disclosed.

The invention provides a transparent screen display method and an electronic device. It relates to the field of display technology. It solves the problem that the transparency of the transparent screen cannot be adjusted, which reduces the display flexibility of the transparent screen and thus brings inconvenience to users. The electronic device may include: a display unit having a first side and a second side for displaying images; a first adjustment unit disposed on the first side or the second side of the display unit for switching from the first state to the second state Two states. Can be applied to transparent screen display.

The invention relates to a highly sensitive mechanically regulated intelligent window film and a preparation method thereof. The film is a double-layer composite structure, and one layer is a visible light transparency control layer, which is composed of an elastic polymer (transparency greater than or equal to 80%) and nano Microspheres (the surface of which is coated with low-binding molecular materials); the other layer is an ultraviolet and / or infrared blocking layer, which is composed of elastic polymers and ultraviolet light blocking particles and / or infrared light blocking particles uniformly dispersed therein (average The particle size is 10-100nm); the preparation method is: first spray the low-binding molecular material and nano-microsphere dispersion liquid on the substrate, and then pour the curing agent and the elastic material doped with ultraviolet light blocking particles and / or infrared light blocking particles. The mixture of polymer prepolymers is post-cured and finally stripped. The method of the invention is simple, and the prepared film not only has ultraviolet and / or infrared blocking ability, but also has highly sensitive mechanical stretching visible light transparency adjustment ability.

The invention discloses salt mixed hair shampoo and a preparation method thereof, and belongs to the field of household chemicals. The salt mixed hair shampoo comprises raw materials in parts by weight of: 200-400 parts of anionic surfactant, 20-100 parts of amphoteric surfactant, 10-80 parts of conditioning agent, 0-10 parts of thickening agent, 1-5 parts of ethylene diamine tetraacetic acid, 300-650 parts of sodium chloride, 10-100 parts of organic silicon and 100-400 parts of water. The salt mixed hair shampoo sufficiently utilizes a natural mineral product salt resource and the growth of a bacterial colony on the scalp can be effectively controlled through NaCl with the high-concentration content; the effect of removing scurf and relieving itch is good and the utilization of an additive is effectively reduced; a formed hair shampoo product is easy to store, the cost is relatively low and the salt mixed hair shampoo is relatively environment-friendly; and the utilization of a chemical anti-dangdruff agent can be completely replaced, and the poison on the scalp of a human body caused by that a chemical agent stays for a long period, can be avoided, so that the salt mixed hair shampoo is relatively safe.

The present invention discloses an image processing method and apparatus. The method comprises the following steps that: a left-eye target image and a right-eye target image for performing 3D display are acquired; preset processing regions are determined in the left-eye target image and the right-eye target image; as for each pixel in each preset processing region, some pixels are adopted as first background pixels, the absolute value of the difference value of the pixel value of each of the pixels and any one of N preset pixel values is larger than a threshold value, and the transparency of first target pixels adjacent to the first background pixels in the preset processing regions are changed to be first transparency, and the absolute value of the difference value between the pixel value of the first target pixels and any one of the N preset pixel values is smaller than or equal to the threshold value; and 3D display is performed according to the processed left-eye target image and the processed right-eye target image.

Disclosed is a transparent liquid crystal display panel, comprising a glass substrate (10), a first polarized plate (20), a first transparent electrode plate (30), a second transparent electrode plate (50), a liquid crystal layer (40), a colored light filter substrate (60), a second polarizer (70) and a light emitting diode unit (80). The first transparent electrode plate (30) has a light transmitting region (31) and a reflecting region (32). The colored light filter substrate (60) has a colorless part (61) corresponding to the light transmitting region (31) and a colored part (62) corresponding to the reflecting region (32). Light emitted from the light emitting diode unit (80) is reflected through the reflecting region (32) to display an image; and external light passes through the light transmitting region (31) and the colored part (62).