Patent · US Active

Prism sheet, prism assembly and display device

US11061173B2 · kind B2 · utility

0Cited by

0References

18Claims

0Family size

Assignees

Inventors

Desheng Xiang · Beijing, CN
Xi Chen · Sunnyvale, US
Jianye Tang · Beijing, CN
Fuan Zhu · Beijing, CN
Yanchao Zhang · Beijing, CN
Dawei Wang
Jiaqiang Wang · Beijing, CN
Yanming Wang · Beachwood, US
Cheng Chang · Beijing, CN

Key dates

Filing date	Jun 18, 2019
Grant date	Jul 13, 2021
Priority date	—
Expiry date	Jun 18, 2039

Classification

Technology area (CPC G)Physics
CPC primaryG02F1/133607
WIPO fieldOptics
WIPO sectorInstruments

Abstract

Disclosed is a prism sheet, a prism assembly, and a display device. The prism assembly includes a first prism sheet and a second prism sheet stacked with the first prism sheet. The first prism sheet includes a plurality of first subareas, and each first subarea includes at least one first sub-prism; the second prism sheet includes a plurality of second subareas, and each second subarea includes at least one second sub-prism. An orthographic projection of each first subarea on the second prism sheet corresponds to one of the plurality of second subareas one to one; an extending direction of the at least one first sub-prism in a first subarea is perpendicular to an extending direction of the at least one second sub-prism in a second subarea corresponding to the first subarea.

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