Multicolor picture display device
US4686519A · kind A · utility
65Cited by
7References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 9, 1985 |
| Grant date | Aug 11, 1987 |
| Priority date | — |
| Expiry date | Jan 9, 2005 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/1335
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A display device includes a spectroscopic unit for making a corresponding spectral diffraction in accordance with wavelengths of light and an image display unit including a light valve which has a plurality of picture elements. The light valve receives the light-subjected to assortment by color with the spectroscopic unit and controls the light quantity of outgoing light, respectively, thereby passing any light of the three primary colors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.