| 摘要 |
A coverless linear light source light guide with a light reflecting patterned surface that eliminates the need for a reflective cover is discloses. The light guide comprises an elongated polygonal transparent material. The light reflecting patterned surface comprises a plurality of peaks and a plurality of valleys with a valley disposed between each peak. As the light reflecting patterned surface extends along the light guide the depth of each valley increases and the width of the floor of each valley narrows. Closest to the light receiving end the valley depth is shallowest, the valley floor width is widest, and the height of the peak from the valley floor is shortest. Farthermost away, the valley depth is deepest, the valley floor is narrowest, and the height of the peak from the valley floor is the tallest. |
