Color-generating device and display system
US6921175B2 · kind B2 · utility
0Cited by
36References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 19, 2002 |
| Grant date | Jul 26, 2005 |
| Priority date | — |
| Expiry date | Jan 20, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F9/37
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A light-filtering element for a display device is provided. The element includes at least one filter having a chamber with a filtering fluid, the filtering fluid selectively disposed in an optical path, and a liquid motion actuator selectively configured to move the filtering fluid substantially into and out of the optical path.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.