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

Claim 1:
2. A display device, comprising:
a light guide plate, comprising a first area and a second area located on at least one side of the first area, wherein the light guide plate comprising:
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,

wherein the first eccentric orientation is different from the second eccentric orientation,
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.