The light diffuser materials with the same content of light diffusion agent are obtained by compounding with PC, respectively, and the optical properties and repeated experimental deviations of the materials are studied.
According to the effects of different processing processes on the properties of the composites, the optical properties and process stability of the three kinds of composites were studied by direct addition method, single-screw master batch method and twin-screw master batch method.
This chapter discusses the preparation of LDA masterbatch by using light diffusion agent and polycarbonate as raw materials, and the preparation and properties of photodiffusion composite. Through the type of light diffusion agent and the filling amount of light diffusion agent, the effect of light diffusion agent on the composites was studied.
Commonly used light diffusers include inorganic particles such as TiO2, BaSO4, SiO2, CaCO3, Al2O3, and glass beads, as well as organic polymer particles such as PS and silicone resin.
Then,how to chose the Light Diffusion Materials?
LED is a point light source. In practical applications, it is usually necessary to transform it into a line light source or a surface light source to make the light bright and soft. To achieve this transformation, it is inseparable from an indispensable light diffusion material. Light diffusion materials are generally composed of light diffusion agent and polymers, which are supplied to the market in the form of light diffusion plastics, light diffusion encapsulant, light diffusion coating and ink. How’s the dosage ratio and particle size of light diffusion agent affect the effect of light diffuser? let’s discuss together
At present, the diffuser plate is an important optical diffusion part inside the TV set, which can distribute the light emitted by the LED in the TV set uniformly. It can make the light of LED in the TV set evenly distributed. In this paper, transmittance (T.T.), fog degrees (HAZE) and brightness (Lv) three aspects were studied, the main and auxiliary materials including GPPS, organic silicon light diffusion agent, inorganic optical diffusion agent and anti-aging agent were analyzed, and several kinds of organic and inorganic optical diffusion agents were compared and analyzed. The results showed that when the organic silicon light diffusion agent dosage was 0.6%~0.8%, the inorganic optical diffusion agent was 0.15%, the transmittance reached (43±3) %, the fog degree was up to 99.4%.
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