Patent ID: 7196682
Filing Date: 2007-03-27
Classification: G09G

Abstract:
1. A driving apparatus for active matrix organic light emitting display to display each pixel of a display picture, comprising: a data line, a scan line, an auto-zero control line, a display control line, a power supply line; a writing element which has a drain connecting to the data line, and a gate connecting to the scan line; an auto-zero element which has a gate connecting to the auto-zero control line; a driving element which has a gate connecting to a source of the writing element and a drain connecting to a source of the auto-zero element, and a source connecting to the power supply line; a switching element which has a gate connecting to the display control line and a source connecting to the source of the auto-zero element and the drain of the driving element; a storage element which has two ends, one end connecting to the source of the driving element and other end connecting to a juncture of the source of the writing element, a drain of the auto-zero element and the gate of the driving element; and an illuminating element which has one positive end connecting to the drain of the switching element and the other negative end grounded.