Patent ID: 7915613
Filing Date: 2011-03-29
Classification: H01L

Abstract:
1. An organic light emitting display device comprising: a substrate having a plurality of sub-pixel areas; a switching thin film transistor formed on each of the sub-pixel areas, wherein the switching thin film transistor has a first control electrode, a first input electrode and a first output electrode; a driving thin film transistor connected to the switching thin film transistor, wherein the driving thin film transistor has a second control electrode, a second input electrode and a second output electrode; a color filter formed on at least one of sub-pixel areas; an insulating layer formed on the switching thin film transistor and the driving thin film transistor, wherein the insulating layer has a groove and a contact hole; a pixel electrode electrically connected to the driving thin film transistor through the contact hole, the pixel electrode extending to the groove to be partially contained in the groove; wherein the pixel electrode has an edge declined in the groove; a cover member covering the edge of the pixel electrode; wherein the cover member comprises an organic material and a position of an upper surface of the cover member is substantially the same or is lower than a position of an upper surface of the pixel electrode; an organic light emitting member formed on the pixel electrode; and a common electrode formed on the organic light emitting member.