Patent ID: 9103951
Filing Date: 2015-08-11
Classification: B29C,B29L,G02B

Abstract:
1. A light guide plate comprises comprising at least one incident surface, an exiting surface, and a bottom surface, and side walls, the exiting surface and the bottom surface being disposed facing to each other and being both connected to the incident surface, the side walls being interposed between the exiting surface and the bottom surface and disposed on both sides of the incident surface, wherein, the light guide plate has a cavity formed within the light guide plate and incident light from the incident surface exits the exiting surface after being refracted and/or reflected by the cavity with in the light guide plate; at least one side face of the cavity comprises at least one curved surface convex toward an interior of the cavity, and the at least one side face is parallel to the incident surface of the light guide plate; and the side walls and the incident surface are integrally formed, and the curved surface facing the interior of the cavity and the incident surface are integrally formed on two opposite sides of the cavity.