Method for driving an electro-optical device wherein erasing data stored in each pixel by providing each scan line and data line with an erasing signal
US4915477A · kind A · utility
16Cited by
7References
59Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 11, 1988 |
| Grant date | Apr 10, 1990 |
| Priority date | — |
| Expiry date | Oct 11, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2310/065
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method of driving an electro-optical device having a plurality of scan lines, data lines and pixels in which data written into and stored within the plurality of pixels is erased from the pixels sequentially rather than at the same time. A plurality of pulses supplied on the scan and data lines during the erasing period produces an erasing period for each scan line which is substantially the same. The effective voltage value of signal waveforms during the erasing period is less than the absolute magnitude of a holding signal waveform which maintains the data in the pixels until the erasing period begins.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.