| 摘要 |
Alight pipe system is provided to reduce assembly process time by installing a first fixing part and a second fixing part inside a sleeve, and offer excellent luminance and emission of the light to various directions. A light pipe system(100) includes a light pipe. The light pipe includes a sleeve and an optical film. The sleeve includes a first fixing part and a second fixing part. The optical film(130) is located in a sleeve inner surface. The optical film is located between the first fixing part and the second fixing part. A length ratio of a cross section of the optical film and a reflection part is 1 : 1.
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