Optical system and display device
US12416811B1 · kind B1 · utility
0Cited by
0References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 27, 2025 |
| Grant date | Sep 16, 2025 |
| Priority date | — |
| Expiry date | Feb 27, 2045 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/286
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical system, including: a beam splitter, a phase retarder, a polarization reflection element, a lens group, and a second lens. The beam splitter, the phase retarder and the polarization reflection element are provided along a same optical axis, and the phase retarder is provided between the beam splitter and the polarization reflection element; the lens group and the second lens are provided along the optical axis, the lens group at least includes a first lens, and the first lens is provided on a side of the beam splitter away from the phase retarder, and the first lens satisfies: 0.7≤|H1−H0/H2−H0|≤3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.