A voltage programmed pixel circuit, display system having the pixel circuit and driving method thereof is provided. The pixel circuit includes a light emitting device, a driving transistor connected to the light emitting device and a programming circuit. The programming circuit adjusts a pixel current...http://www.google.se/patents/US8044893?utm_source=gb-gplus-sharePatent US8044893 - Voltage programmed pixel circuit, display system and driving method thereof
