Patent · US Active

Optical grating and 3D display device

US10712585B2 · kind B2 · utility

0Cited by

0References

9Claims

0Family size

Assignee

BOE Technology Group Co., Ltd. · CN

Inventors

Guobing Yin · Beijing, CN
Jiyang Shao · Beijing, CN
Min Peng · Beijing, CN
Xingdong Liu · Beijing, CN
Yuting Zhang · Chengdu, CN

Key dates

Filing date	Jul 11, 2017
Grant date	Jul 14, 2020
Priority date	—
Expiry date	Nov 29, 2037

Classification

Technology area (CPC G)Physics
CPC primaryG02F2201/30
WIPO fieldOptics
WIPO sectorInstruments

Abstract

Embodiments of the present disclosure provide an optical grating and a 3D display device having the same. The optical grating comprises a plurality of grating units arranged from a center of the optical grating towards two sides thereof, values of grating periods of a plurality of said grating units on either side of the center being non-linearly decreased progressively from the center to the side.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.