Image display using liquid crystal display panel
US4775891A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 23, 1985 |
| Grant date | Oct 4, 1988 |
| Priority date | — |
| Expiry date | Aug 23, 2005 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2310/027
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An image display apparatus having an A/D converter which samples a television signal a plurality of times in each horizontal effective display period and converts the sampled signal into digital data, and a gradation signal generator combines gradation signals produced in a plurality of horizontal effective display periods according to the digital data to produce a new gradation signal. An image display panel is driven for display according to the new gradation signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.