Patent ID: 9568663
Date: 2017-02-14
CPC Classifications: G02B

Claim:
1. A light guide plate, adapted to be disposed beside a light source, the light guide plate comprising: a first substrate, having a light emitting surface, a first bottom surface, and a light incidence surface, wherein the first bottom surface is opposite to the light emitting surface, the light incidence surface connects the light emitting surface and the first bottom surface, and the light source is disposed beside the light incidence surface; a second substrate, opposite to the first substrate, wherein the first bottom surface is located between the light emitting surface and the second substrate, the second substrate has a top surface and a second bottom surface, and the top surface is opposite to the second bottom surface and located between the first substrate and the second bottom surface; a plurality of first microstructures, disposed on the light emitting surface and respectively extending along a first direction parallel to the light incidence surface; a plurality of second microstructures, disposed on the second bottom surface, and respectively extending along the first direction; and a plurality of third microstructures, connected between the first bottom surface and the top surface, and respectively extending along a second direction perpendicular to the light incidence surface.