Organic light emitting device
US7564451B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 29, 2005 |
| Grant date | Jul 21, 2009 |
| Priority date | — |
| Expiry date | Sep 4, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2330/021
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An organic light emitting device driver for driving an organic light emitting device including a plurality of unit pixels each of which includes an organic light emitting element, the organic light emitting device driver includes: a discharge unit for generating a discharge current during a discharge period to thereby discharge a charge charged in the unit pixel, wherein the discharge unit includes: a switching unit for transferring a reference current in response to a predetermined voltage supplied to the unit pixel; and a current mirroring unit for outputting the discharge current generated by mirroring the reference current transferred by the switching unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.