THIN FILM TRANSISTOR AND ORGANIC LIGHT EMITTING DISPLAY DEVICE HAVING THE SAME
First Claim
Patent Images
1. A thin film transistor (TFT) comprising:
- a substrate;
a gate electrode formed on the substrate;
a gate insulating layer formed on the substrate and the gate electrode;
an active layer formed on the gate insulating layer;
a source electrode formed over the active layer; and
a drain electrode formed to substantially surround at least three surfaces of the source electrode on the active layer.
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Abstract
A thin film transistor (TFT) and an organic light emitting display device having the same are disclosed. In one embodiment, a TFT includes a gate electrode formed on a substrate. A gate insulating layer is formed on the substrate having the gate electrode. An active layer is formed on the gate insulating layer. A source electrode is formed over the active layer. A drain electrode is formed to substantially surround at least three surfaces of the source electrode on the active layer.
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Citations
19 Claims
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1. A thin film transistor (TFT) comprising:
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a substrate; a gate electrode formed on the substrate; a gate insulating layer formed on the substrate and the gate electrode; an active layer formed on the gate insulating layer; a source electrode formed over the active layer; and a drain electrode formed to substantially surround at least three surfaces of the source electrode on the active layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An organic light emitting display device comprising:
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a first substrate comprising an organic light emitting element and a thin film transistor (TFT) formed thereon, wherein the organic light emitting element comprises i) first and second electrodes and ii) an organic light emitting layer interposed between the first and second electrodes, and wherein the TFT is configured to control operations of the organic light emitting element; and a second substrate disposed opposite to the first substrate, wherein the TFT comprises; a gate electrode formed on the first substrate; a gate insulating layer formed on the first substrate and the gate electrode; an active layer formed on the gate insulating layer; a source electrode formed over the active layer; and a drain electrode formed to substantially surround at least three surfaces of the source electrode on the active layer. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. An organic light emitting display device comprising:
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a first substrate; a second substrate disposed opposite to the first substrate; an organic light emitting element formed between the first and second substrates; a gate electrode formed over the first substrate; a gate insulating layer formed over the first substrate and the gate electrode; an active layer formed on the gate insulating layer; a source electrode formed over the active layer; and at least two drain electrodes spaced apart from the source electrode and formed on opposite sides of the source electrode, wherein at least one of the drain electrodes substantially surrounds at least three surfaces of the source electrode, and wherein two of the three surfaces are opposing each other. - View Dependent Claims (19)
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Specification