Patent ID: 8529116
Filing Date: 2013-09-10
Classification: G02B

Abstract:
1. A light guide plate, comprising: a first surface; a second surface opposite to the first surface; at least a light incident surface connected with the first surface and the second surface; and a plurality of groove sets separately disposed on the second surface, wherein each of the groove sets comprises a plurality of curved grooves, each of the curved grooves having a curved inclined reflective surface and a curved light-back-surface connected to each other, the curved inclined reflective surface inclined with respect to the first surface, the curved grooves of each of the groove sets curving towards a same curving direction, and the curved inclined reflective surface of one of two adjacent curved grooves is connected to the curved light-back-surface of the other one of the two adjacent curved grooves, and orthographic projections of the curved grooves on the first surface are arc-shaped.