Patent ID: 7916235
Filing Date: 2011-03-29
Classification: G02F

Abstract:
1. A pixel structure for being disposed on a substrate, the pixel structure comprising: a thin film transistor, disposed on the substrate and comprising a gate, a source, a first drain and a second drain, wherein a main thin film transistor is formed by the gate, the source and the first drain and a sub-thin film transistor is formed by the gate, the first drain and the second drain, and when the main thin film transistor and the sub-thin film transistor are turned on, a conducting current of the sub-thin film transistor is smaller than a conducting current of the main thin film transistor, and the conducting currents form a specific ratio; a first pixel electrode, electrically connected to the first drain; a second pixel electrode, part of the first drain extends to a portion between the second pixel electrode and the substrate to form a capacitor-coupling electrode, wherein the second drain of the sub-thin film transistor is electrically connected to the second pixel electrode; a scan line, disposed on the substrate and electrically connected to the gate; and a data line, electrically connected to the source.