OLED display with aging and efficiency compensation
US7859501B2 · kind B2 · utility
12Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 22, 2007 |
| Grant date | Dec 28, 2010 |
| Priority date | — |
| Expiry date | Oct 27, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/0693
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method of compensating for changes in an OLED drive circuit, includes: providing a drive transistor; providing a first voltage source and a first switch; providing an OLED device connected to the drive transistor. Voltages are measured and used to compensate for changes in the OLED drive transistor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.