| 摘要 |
PROBLEM TO BE SOLVED: To provide a white film for an optical duct, used in a light guide section of the optical duct system, which can carry visible light suitable for illumination efficiently and evenly, and is lightweight, and in the production of which no organic solvent having the risk of sick house syndrome is used. SOLUTION: This white film for the optical duct has an average reflectance of ≥96.0%, and is used for the optical duct. COPYRIGHT: (C)2009,JPO&INPIT
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