Tilted dichroic polarizing beamsplitter
US10139645B2 · kind B2 · utility
0Cited by
3References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 31, 2017 |
| Grant date | Nov 27, 2018 |
| Priority date | — |
| Expiry date | Jul 31, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/13355
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The disclosure generally relates to beamsplitters useful in color combiners, and in particular color combiners useful in small size format projectors such as pocket projectors. The disclosed beamsplitters and color combiners include a tilted dichroic reflective polarizer plate having at least two dichroic reflective polarizers tilted at different angles relative to incident light beams, with light collection optics to combine at least two colors of light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.