Organic light emitting diode display and driving method thereof
US8842110B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 15, 2011 |
| Grant date | Sep 23, 2014 |
| Priority date | — |
| Expiry date | Dec 8, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2330/00
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An organic light emitting display device according to the present invention comprises a display unit; a power supply unit; a driving unit including an output buffer generating the reference voltage and applying the reference voltage to the pixels, and generating a current path control signal in a different logic level along with controlling whether to operate the power IC according to an operating mode; and a leakage current cut-off unit switching a current path between the output terminal of the power supply unit and the input terminal of the OLED driving voltage according to the current path control signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.