PDP (Plasma Display Panel) light filtering membrane and method for preparing same

Abstract

The invention discloses a PDP (Plasma Display Panel) light filtering membrane capable of realizing low newton ring, static resistance, rigidity addition and antireflection functions simultaneously with only one single coating, and a method for preparing the PDP light filtering membrane, belonging to the field of light filtering devices of the PDP television. The light filtering membrane comprises a transparent plastic basement membrane with precoatings easy to stick on the two surfaces, a functional coating and a light filtering layer; (n2)2=n1*n3 and n2 is greater than n3 and smaller than n1, wherein n1 refers to the refractive index of the plastic basement membrane, while n2 refers to the refractive index of the precoating easy to stick between the plastic basement membrane and the functional coating, and n3 refers to the refractive index of the functional coating and n3 is greater than 1.47 and smaller than 1.60; and the functional coating is prepared from the following raw materials: 5-20% of antistatic particles, 5-40% of rigidity adding particles, 20-40% of a cross-linking agent, 2-8% of a photosensitizer and 30-45% of an organic solvent. The PDP light filtering membrane is capable of realizing low newton ring, static resistance, rigidity addition and antireflection functions simultaneously with only one single coating; and unexpected technical effects are achieved.

Description

technical field [0001] The invention belongs to the field of optical filter devices of PDP televisions, and in particular relates to a PDP optical filter film and a preparation method thereof which simultaneously realize the functions of low iridescence, antistatic, hardening and anti-reflection with a single coating. Background technique [0002] PDP display technology is to discharge the working gas such as neon gas and xenon gas inside the display by applying voltage, so as to emit ultraviolet light of a specific band, and use the ultraviolet light of this specific band to excite the phosphor layer to emit red, green and blue three primary colors. display technology. However, in the process of the PDP display emitting light, in addition to the visible light of the three primary colors of red, green and blue, it will also produce near-infrared rays that seriously interfere with the TV remote control and shutter 3D glasses; secondly, the neon gas inside the PDP display is d...

AI Technical Summary

Problems solved by technology

This patent application solves the rainbow pattern by stacking functional layers with different refractive indices on the substrate in sequence, and has certain requirements for the refractive index of each layer. However, this patent application uses two functional layers to achieve hardening and Antistatic function, antistatic and hardening functions cannot be realized on a one-layer structure, and the preparation process is complicated, the control is difficult, and the yield rate is low

[0009] Patent application 02147181.9 mentions a multilayer structure formed by vacuum coating on the surface of the film, and as long as one layer of the multilayer structure is composed of a mixture of inorganic and organic substances, the film has antireflection function, but the patent application does not There is no mention of whether the film has low iridescence, antistatic, and hardening functions, and the technical solution mentioned in the patent application is to produce under vacuum, with harsh production conditions, complicated preparation process, high difficulty in control, and low yield

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