Heads-up display system
US7602450B2 · kind B2 · utility
1Cited by
4References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 14, 2006 |
| Grant date | Oct 13, 2009 |
| Priority date | — |
| Expiry date | May 26, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2027/0118
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A heads-up display system includes a liquid crystal display unit that can change optical characteristics in accordance with a video signal. The light modulated by the liquid crystal display unit is projected on a surface of a transparent plate that can reflect the light so as to realize a projection display. The light projected on the transparent plate is polarized light having a transmission axis extending in a direction parallel to a line defining the center with respect to incident light and reflective light of the transparent plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.