| 摘要 |
PURPOSE: A light refractive film for indoor lighting is provided to improve indoor lighting effect by spreading light emitted to indoor onto various directions. CONSTITUTION: A light, which is emitted in parallel in a region with no patterns, is directly transmitted to the bottom(9). Light, which is emitted to a patterned uneven part, is refracted in a left right up and down side(10) according to a cross pattern.
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