Driving circuit for AMOLED display and driving method thereof
US7205169B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 6, 2006 |
| Grant date | Apr 17, 2007 |
| Priority date | — |
| Expiry date | Jan 6, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2330/02
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A driving circuit and method for an active matrix organic light emitting diode (AMOLED) display are provided. The driving circuit comprises a power circuit, a linear thermistor, and a pixel circuit. The power circuit provides an equivalent current. The linear thermistor coupled to the power circuit adjusts the equivalent current according to the temperature of the AMOLED display. The pixel circuit coupled to the power circuit comprises a driving transistor and a light emitting device. The driving transistor comprises a first end coupled to the power circuit, and the light emitting device coupled to a second end of the driving transistor is driven by the equivalent current to illuminate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.