Patent ID: 11892672
Assignee: TPK TOUCH SOLUTIONS (XIAMEN) INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC G | IPC F  G

Claim 0:
1. A light guide plate, comprising:
a first area;
a second area, located on at least one side of the first area;
a substrate;
a plurality of first eccentric microstructures, disposed in the substrate, and located at the first area, wherein each of the first eccentric microstructures comprises a first eccentric orientation; and
a plurality of second eccentric microstructures, disposed in the substrate, and located at the second area, wherein each of the second eccentric microstructures comprises a second eccentric orientation, and wherein an angle between the first eccentric orientation and the second eccentric orientation is less than 90 degrees, wherein each of the first eccentric microstructures comprises:
a curved surface, with a conical point and a cutting edge positioned at a surface of the substrate, wherein the first eccentric orientation is a direction from a central point of the cutting edge to a projection of the conical point to the surface; and
at least one vertical cutting surface, wherein the at least one vertical cutting surface is parallel to the first eccentric orientation.