Light guide bar, linear lighting device, surface lighting device, and display apparatus using the same

摘要

disclosed a light guide bar is light incident portion and light exit portion is provided on both sides light output portions , and the position to be face-to-face , and is provided with a reflection prism is provided for reflecting the light emitted toward the light incident through the light incident portion . The shape of the reflection is determined in view of the light incident portion to the effective width equal to the amount of light emission is reached at any point reflection portion .