Tilted plate normal incidence color combiner with a polarizing beam splitter
US8982463B2 · kind B2 · utility
2Cited by
6References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 30, 2011 |
| Grant date | Mar 17, 2015 |
| Priority date | — |
| Expiry date | Feb 21, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/3173
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The disclosure generally relates to color combiners, and in particular color combiners useful in small size format projectors such as pocket projectors. The disclosed color combiners include at least two tilted dichroic plates having at least two reflectors configured with light collection optics to combine at least two colors of light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.