Image display apparatus
US7221343B2 · kind B2 · utility
12Cited by
8References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 16, 2003 |
| Grant date | May 22, 2007 |
| Priority date | — |
| Expiry date | Jan 30, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/043
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
There is provided an image display apparatus having light emitting elements in its pixels, producing high resolution, facilitating γ correction, and free from occurrence of pseudo contours. A pixel circuit of the image display apparatus of the present invention with a switch circuit for switching between two states of supply and cutoff of a current to the light emitting element, a preset circuit for presetting the switch circuit at one of the two states independently of an analog display voltage signal, and a reset circuit for reversing the one of the two states of the switch circuit based upon the analog display voltage signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.