Patent ID: 7839462
Filing Date: 2010-11-23
Classification: G02F,H01L

Abstract:
1. A pixel structure of a liquid crystal display panel formed on a substrate, the substrate comprises a switch device region, a display region, and a peripheral region, the pixel structure comprising: a semiconductor layer disposed in the switch device region of the substrate, the semiconductor layer comprising a channel region, and a source region and a drain region disposed on two opposite sides of the channel region respectively; a first insulating layer disposed on the substrate, the first insulating layer covering the semiconductor layer and having two openings which expose the source region and the drain region respectively; a first patterned conductive layer disposed on the first insulating layer, the first patterned conductive layer comprising a gate electrode disposed on the first insulating layer and corresponding to the channel region of the semiconductor layer in the switch device region, and a data line disposed on the first insulating layer in the peripheral region, wherein a surface of the gate electrode includes a scan line connection region, and a surface of the data line includes a source connection region; a second insulating layer disposed on the first insulating layer, the gate electrode and the data line, the second insulating layer having four openings which expose the source region, the drain region, the scan line connection region of the gate, and the source connection region of the data line, respectively; a second patterned conductive layer disposed on the second insulating layer, the second patterned conductive layer comprising a data line connection electrode electrically connected to the source region and the source connection region of the data line through the openings of the first insulating layer and the second insulating layer, a scan line electrically connected to the scan line connection region of the gate electrode through the opening of the second insulating layer, and a drain pad electrically connected to the drain region through the openings of the first insulating layer and the second insulating layer; and a liquid crystal driving electrode structure disposed on the second insulating layer in the display region, the liquid crystal driving electrode structure comprising a common electrode, a third insulating layer and a pixel electrode, wherein the pixel electrode is extended to the switch device region and electrically connected to the drain region through the drain pad.