Patent ID: 9461263
Filing Date: 2016-10-04
CPC Classification: H01L

Claim Text:
1. An organic light emitting display apparatus, comprising: a substrate; a buffer film directly on the substrate, the buffer film including a via hole; a thin film transistor (TFT) directly on the buffer film, the TFT including an active layer, a gate electrode, a source electrode, and a drain electrode; a first electrode on a gate insulating layer on which the gate electrode is disposed and electrically connected to one of the source electrode and the drain electrode and corresponding to the via hole, the via hole in the buffer film directly on the substrate being larger than the first electrode; an intermediate layer on the first electrode, the intermediate layer including an organic emission layer; and a second electrode on the intermediate layer, wherein the gate insulating layer between the gate electrode and the active layer insulating the gate electrode and the active layer from each other, a portion of the gate insulating layer disposed between the substrate and the first electrode fills the via hole, and the portion of the gate insulating layer directly contacts the substrate and the first electrode.