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1. Introduction to PS diffuser:
The PS diffuser is a material with light diffusing properties in the PS (polystyrene) sheet type, and is one of the types of diffusing plates of PMMA, PC, PP, PS, etc., with a certain haze, The optical characteristics of plastic sheet such as light transmittance and refractive index can effectively convert the point or line light source into a soft and uniform surface light source, and on the premise of achieving good light transmittance, it also has good light source lattice shielding performance. With the relatively affordable price, it is widely used in the booming LCD-TV and LED lighting products to increase the choice of an optical diffusion material for the secondary light distribution of LED lighting products.
2. Principle of PS diffuser:
The PS diffuser is a material with light diffusing properties in the PS (polystyrene) sheet type, and is one of the types of diffusing plates of PMMA, PC, PP, PS, etc., with a certain haze, The optical characteristics of plastic sheet such as light transmittance and refractive index can effectively convert the point or line light source into a soft and uniform surface light source, and on the premise of achieving good light transmittance, it also has good light source lattice shielding performance. With the relatively affordable price, it is widely used in the booming LCD-TV and LED lighting products to increase the choice of an optical diffusion material for the secondary light distribution of LED lighting products.
3. Features of PS diffuser:
a, relatively speaking, low price; weather resistance is worse than PMMA, use in outdoor moisture, ultraviolet environment, brittle, yellow degeneration is more obvious; specific gravity is about 1.05, lighter than PMAM (1.2), PP (0.96) weight; Suitable for machining and thermoforming; considering the ease of melting, it is recommended not to do laser cutting.
b, surface matte treatment, wear resistance, scratch resistance is stable, it is recommended to use ambient temperature of 60-80 degrees. The dimensional stability is good, and the mold production shrinkage is within 0.45%. Has a good surface antistatic properties to prevent dust absorption.
c, light transmittance: 60% -80% (range adjustable). PS diffuser is widely used in liquid crystal display, LED lighting and imaging display systems. Its main function is to fully diffuse the incident light and achieve a more gentle and uniform illumination effect.
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