Optical display system, AR display device and VR display device
US11397333B2 · kind B2 · utility
0Cited by
0References
12Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Sep 9, 2019 |
| Grant date | Jul 26, 2022 |
| Priority date | — |
| Expiry date | Sep 9, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/294
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical display system and an AR/VR display device are provided. The optical display system includes: a display screen; a first optical structure, disposed on a light emitting side of the display screen, and configured to divide light from the display screen into different types of polarized light; and a second optical structure, disposed on an emitting path of the different types of polarized light to an image forming side, and configured to form a plurality of virtual image planes corresponding to at least two focal lengths.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.