A display device including a current drive circuit capable of stably and correctly supplying an intended current to a light emitting element of each pixel without being affected by variations in characteristics of an active element inside the pixel and as a result capable of displaying a high quality...http://www.google.de/patents/US7193591?utm_source=gb-gplus-sharePatent US7193591 - Current drive circuit and display device using same, pixel circuit, and drive method
