Liquid crystal matrix display device
US4789899A · kind A · utility
14Cited by
3References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 13, 1987 |
| Grant date | Dec 6, 1988 |
| Priority date | — |
| Expiry date | Jan 13, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2310/0251
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention comprises a selective supply of image signals and a desired direct current potential to picture elements during each period of field scanning, whereby flickering and shading unevenness are prevented.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.