Illumination device and image projection apparatus comprising the device
US6412953B1 · kind B1 · utility
29Cited by
5References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 1, 1999 |
| Grant date | Jul 2, 2002 |
| Priority date | — |
| Expiry date | Oct 1, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S362/80
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An illumination device and an image display apparatus using the same. The illumination device comprising a light source, an illumination uniformizing device, and a polarization converter. The image display apparatus comprises an illumination device provided in the invention, a synthesizing device, and a projection device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.