| 摘要 |
The purpose of the present invention is to provide a light guide plate capable of providing better light uniformity and light output efficiency at different angles. The light guide plate (3) comprises a light input surface (31) including a first elongated element (331), and a light output surface (32) including a second elongated element (341). Each of first and second elongated elements (331, 341) guide light and have a cross-section in the form of a circular arc. |
