Patent · US Active

Near-eye display device

US12399367B2 · kind B2 · utility

0Cited by

0References

12Claims

0Family size

Assignees

Inventors

Ruijun Dong · Beijing, CN
Hao Zhang · Shanghai, CN
Lili Chen · Beijing, CN
Yulong WU · Beijing, CN
Ke Li · Beijing, CN
Chenru Wang · Beijing, CN
Jiarong BAI · Beijing, CN
Na HAN · Seoul, KR

Key dates

Filing date	Aug 4, 2021
Grant date	Aug 26, 2025
Priority date	—
Expiry date	Feb 8, 2043

Classification

Technology area (CPC G)Physics
CPC primaryG02B27/0172
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A near-eye display device, including: a display screen (1) used for image display; an imaging lens (2) located at a light emission side of the display screen (1) and used for imaging a displayed image of the display screen (1); a flat plate (3) located on the side of the imaging lens (2) facing away from the display screen (1) and obliquely arranged relative to the optical axis of the imaging lens (2); a phase retardation layer (4) located on the side of the flat plate (3) facing the imaging lens (2); a polarization beam-splitting layer (5) located between the phase retardation layer (4) and the flat plate (3); a polarizing layer (6) located between the polarization splitting layer (5) and the flat plate (3); and a curved mirror (7).

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