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Author: Wanda Chemical

General knowledge
Wanda Chemical

How to Design and Select Light Diffusion Agent Based on LED Lamps ?

By means of actual test data,the influence of different proportions of light diffuser in lampshade and optical lens on the luminous angle and transmission efficiency is presented,which can be used to judge how to select the proportions of light diffuser in design,so as to improve the design efficiency and shorten the product development cycle.

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Professional knowledge
Wanda Chemical

What’s the Best Light Distribution and Diffuser Concentration of Multi – Function Integrated LED Automobile Signal Lamp ?

According to V – H measurement method,by comparing the photometry and goniophotometry results of a multi – functional signal lamp with different diffusant concentration PC inner lens,we found that reasonable diffusant concentration that meets the requirements is less than 5% and obtained the photometric restraining points.

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Professional knowledge
Wanda Chemical

Effect of Mixed Light Difusion Agent on Properties of PC Light Diffusion Material

Our reseach results indicated the haze of PC was improved but its high light transmitance was maintained when 0.15wt% of light difusing agent was added.However,its impact strength decreased due to the presence of light difusing agent.Moreover,the masterbatch proces was found to be more efective than the direct melt-blending method. The anti-aging property of light-difusing PC was
significantly enhanced due to the presence of UV absorber.

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