LGP (Light Guide Plate) is a key medium of light guiding. Using different dot pattern designs to guide the light direction to upgrade panel luminance and control the uniform of light. Epoch has professional technology of optical dot patterns, we can analyze and gain the result efficiency through our own laser ink marker and slimming injection molding. Based on the own injection compression technology, we had input high speed injection compression molding and upgrade our technology on slimming the LGP.