Electro-optic display device with DC offset correction
US6424330B1 · kind B1 · utility
25Cited by
6References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 30, 1999 |
| Grant date | Jul 23, 2002 |
| Priority date | — |
| Expiry date | Apr 30, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/0247
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A display device has a measuring circuit (14) to detect flicker due to the presence of a DC voltage by monitoring the pixel voltage and, if necessary, modifying driving signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.