Patent ID: 11915627
Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 0:
1. A viewing angle expansion plate comprising:
a plurality of cell areas; and
a plurality of pinholes formed in the plurality of cell areas,
wherein each cell area from among the plurality of cell areas corresponds to a respective pixel from among a plurality of pixels in a flat panel display, and
wherein the plurality of cell areas comprises a first cell area in which a first number of a first plurality of pinholes are formed and a second cell area in which a second number of a second plurality of pinholes are formed, the second number being different from the first number, and
wherein a number of pinholes formed in each cell area of the plurality of cell areas is different from the number of pinholes formed in each other cell area of the plurality of cell areas.