Patent ID: 7569855

Claim:
A multi-domain vertical alignment pixel structure disposed on a substrate, comprising: an active device, disposed on the substrate, wherein the active device has an insulating layer extending to outside the active device and covering the substrate; a passivation layer, covering the active device and a part of the insulating layer; a first pixel electrode, disposed on the passivation layer and electrically connected to the active device; a second pixel electrode, disposed on the passivation layer and electrically insulated from the first pixel electrode; a capacitor-coupling electrode, disposed between the second pixel electrode and the substrate, wherein the capacitor-coupling electrode is electrically connected to the active device; and a semiconductor layer, disposed between the insulating layer and the passivation layer, wherein the insulating layer and the passivation layer have a trench and a lateral etched groove located on a sidewall of the trench, while the lateral etched groove exposes the side edge of the semiconductor layer.