Thin film transistor and organic light emitting display apparatus
AssigneeSamsung Display Co., Ltd.
InventorsEun-Hyun Kim, Jong-Han Jeong, Yeon-Gon Mo
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Abstract
A thin film transistor (TFT) and an organic light emitting display apparatus are provided. The TFT includes: a substrate; a gate electrode on the substrate; an active layer insulated from the gate electrode; source/drain electrodes electrically connected to the active layer; a first insulating film on the source/drain electrodes; a light blocking layer on the first insulating film; and a second insulating film on the light blocking layer.
Claims19
A thin film transistor (TFT) comprising:
- a substrate;
- a gate electrode on the substrate;
- an active layer insulated from the gate electrode;
- source/drain electrodes electrically connected to the active layer;
- a first insulating film on the source/drain electrodes;
- a light blocking layer on the first insulating film and comprising a pigment comprising a material selected from the group consisting of CoCx, Fe2O3, and a Tb-based compound;
- and
- a second insulating film on the light blocking layer.
An organic light emitting display apparatus comprising:
- a substrate;
- a gate electrode on the substrate;
- an active layer insulated from the gate electrode;
- source/drain electrodes electrically connected to the active layer;
- a first insulating film on the source/drain electrodes;
- a light blocking layer on the first insulating film and having a via hole formed in the light blocking layer;
- a second insulating film on the light blocking layer;
- a pixel electrode electrically connected to the source/drain electrodes through the via hole of the light blocking layer;
- an intermediate layer on the pixel electrode and comprising an organic emission layer;
- and
- an opposite electrode on the intermediate layer.
An organic light emitting display apparatus comprising:
- a substrate;
- a gate electrode on the substrate;
- an active layer insulated from the gate electrode;
- source/drain electrodes electrically connected to the active layer;
- a pixel electrode electrically connected to the source/drain electrodes;
- a pixel define film on the pixel electrode and comprising an opening;
- an intermediate layer connected to the pixel electrode through the opening and comprising an organic emission layer;
- and
- an opposite electrode on the intermediate layer, wherein the pixel define film comprises a first insulating film, a light blocking layer on the first insulating film, and a second insulating film on the light blocking layer.
Dependencies are inferred from the claim text.