| 摘要 |
PROBLEM TO BE SOLVED: To provide a diffuser with a high translucent rate and uniform distribution in diffusion degree. SOLUTION: The diffuser comprises a translucent layer composed of translucent materials, an upper diffusion layer formed on an upper surface of the translucent layer, and a lower diffusion layer formed on a bottom surface of the translucent layer. COPYRIGHT: (C)2007,JPO&INPIT
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