Patent ID: 8487310

Claim:
An organic light-emitting display apparatus, comprising: a substrate in which a pixel region is defined; a thin film transistor (TFT) disposed on the substrate and spaced apart from the pixel region; a planarization pattern covering the TFT and spaced apart from the pixel region, the planarization pattern having an opening and sidewalls about the opening, the pixel region being arranged within the opening; a first electrode electrically connected to the TFT and formed so as to correspond to at least the pixel region, the first electrode being arranged on the planarization pattern and on sidewalls of the opening: a pixel-defining layer formed on the first electrode so as to expose a predetermined region of the first electrode, the pixel-defining layer having projecting portions extending inward towards the pixel region from a bottom of the sidewalls of the opening of the planarization pattern; an intermediate layer connected to the exposed region of the first electrode, said intermediate layer comprising an organic emission layer and formed so as to correspond to at least the pixel region; and a second electrode electrically connected to the intermediate layer.