Thin-film transistor array substrate, organic light-emitting display device including the same, and method of manufacturing the thin-film transistor array substrate
First Claim
1. A thin-film transistor array substrate comprising:
- a thin-film transistor comprising;
an active layer;
a gate electrode disposed on the active layer;
a source electrode connected to a source region of the active layer;
a drain electrode connected to a drain region of the active layer;
a first insulating layer disposed between the active layer and the gate electrode; and
a second insulating layer disposed between the gate electrode and the source electrode, and between the gate electrode and the drain electrode;
a pixel electrode disposed in an opening defined in the second insulating layer, wherein the pixel electrode comprises a transparent conductive oxide, and;
a capacitor comprising;
a first electrode disposed on a layer, on which the active layer is disposed; and
a second electrode disposed on a layer, on which the gate electrode is disposed;
a pad electrode disposed on the second insulating layer, wherein the pad electrode comprises a material substantially the same as a material in the source electrode and the drain electrode;
a first protective layer disposed on the pad electrode; and
a second protective layer disposed on the first protective layer,wherein the first and second protective layer comprise different materials from each other, and different materials from the pad electrode,wherein the pad electrode has an upper surface, and the first and second protective layers cover the entire upper surface of the pad electrode, andwherein the first protective layer comprises an amorphous transparent conductive oxide.
1 Assignment
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Accused Products
Abstract
A thin-film transistor (“TFT”) array substrate includes: a TFT including an active layer, a gate electrode, a source electrode, a drain electrode, a first insulating layer disposed between the active layer and the gate electrode, and a second insulating layer disposed between the gate electrode, and the source and drain electrode; a pixel electrode including a transparent conductive oxide and disposed in an opening defined in the second insulating layer; a capacitor including a first electrode disposed on a layer on which the active layer is disposed, and a second electrode disposed on a layer on which the gate electrode is disposed; a pad electrode disposed on the second insulating layer and including a material substantially the same as a material in the source electrode and the drain electrode; a first protective layer disposed on the pad electrode; and a second protective layer disposed on the first protective layer.
9 Citations
16 Claims
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1. A thin-film transistor array substrate comprising:
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a thin-film transistor comprising; an active layer; a gate electrode disposed on the active layer; a source electrode connected to a source region of the active layer; a drain electrode connected to a drain region of the active layer; a first insulating layer disposed between the active layer and the gate electrode; and a second insulating layer disposed between the gate electrode and the source electrode, and between the gate electrode and the drain electrode; a pixel electrode disposed in an opening defined in the second insulating layer, wherein the pixel electrode comprises a transparent conductive oxide, and; a capacitor comprising; a first electrode disposed on a layer, on which the active layer is disposed; and a second electrode disposed on a layer, on which the gate electrode is disposed; a pad electrode disposed on the second insulating layer, wherein the pad electrode comprises a material substantially the same as a material in the source electrode and the drain electrode; a first protective layer disposed on the pad electrode; and a second protective layer disposed on the first protective layer, wherein the first and second protective layer comprise different materials from each other, and different materials from the pad electrode, wherein the pad electrode has an upper surface, and the first and second protective layers cover the entire upper surface of the pad electrode, and wherein the first protective layer comprises an amorphous transparent conductive oxide. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An organic light-emitting display apparatus comprising:
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a thin-film transistor comprising; an active layer; a gate electrode disposed on the active layer; a source electrode connected to a source region of the active layer; a drain electrode connected to a drain region of the active layer; a first insulating layer disposed between the active layer and the gate electrode; and a second insulating layer disposed between the gate electrode and the source electrode, and between the gate electrode and the drain electrode; a pixel electrode comprising a transparent conductive oxide, and disposed in an opening defined in the second insulating layer; a capacitor comprising; a first electrode disposed on a layer, on which the active layer is disposed; and a second electrode disposed on a layer, on which the gate electrode is disposed; a pad electrode disposed on the second insulating layer, and comprising a material substantially the same as a material in the source electrode and the drain electrode; a first protective layer disposed on the pad electrode; a second protective layer disposed on the first protective layer; a third insulating layer disposed on the second insulating layer, wherein an opening is defined in the third insulating layer, and the opening in the third insulating layer exposes the pixel electrode; an organic emission layer disposed on the pixel electrode; and an opposite electrode disposed on the organic emission layer, wherein the first and second protective layer comprise different materials from each other, and different materials from the pad electrode, wherein the pad electrode has an upper surface, and the first and second protective layers cover the entire upper surface of the pad electrode, and wherein the first protective layer comprises an amorphous transparent conductive oxide. - View Dependent Claims (14, 15, 16)
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Specification