Cathode potential controller, self light emission display device, electronic apparatus, and cathode potential controlling method
US7864172B2 · kind B2 · utility
17Cited by
1References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 21, 2008 |
| Grant date | Jan 4, 2011 |
| Priority date | — |
| Expiry date | Jul 3, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2360/16
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A cathode potential controller for controlling a common cathode potential applied to a self light emission type display panel in which an emission state of each of pixels is driven and controlled in accordance with an active matrix drive system, the cathode potential controller including: a self light emitting element; a constant current source; an electrode-to-electrode voltage measuring portion; a cathode potential determining portion; and a cathode potential applying portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.