Organic electro-luminescence display device and driving method thereof
US7742022B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 18, 2006 |
| Grant date | Jun 22, 2010 |
| Priority date | — |
| Expiry date | Sep 22, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/0285
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
There is disclosed an organic EL display device using pre-charge which can improve display quality by preventing a cross talk generated by a brightness difference within the same picture realization area, and a driving method thereof.An organic EL display device according to an embodiment of the present invention includes a display panel where a plurality of data lines cross a plurality of scan lines and electro luminescence cells are arranged in the crossing parts thereof; a pre-charge driver for supplying a pre-charge current to the data line in accordance with gray levels of data; and a data driver for charging a data current to the data line for a designated period which is set before a scan pulse is supplied to the electro luminescence cell and after the pre-charge current is supplied.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.