Flat display device and method of manufacturing the same
AssigneeSamsung Display Co., Ltd.
InventorsChul-Kyu Kang, Jong-Hyun Choi, Woo-Sik Jun, Hee-Chul Jeon
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Abstract
Provided is a flat display device, and more particularly, an active matrix (AM) flat display device having a thin film transistor (TFT). The flat display device includes a substrate, a plurality of TFTs (thin film transistors) provided on the substrate, each TFT comprising an active layer, a source electrode and a drain electrode that contact the active layer, and an ohmic contact layer interposed between the active layer and the source and drain electrodes, and a light emitting device electrically connected to the TFT, wherein the ohmic contact layer and a layer including the source and drain electrodes are formed to have the same pattern.
Claims15
A flat display device comprising:
- a substrate;
- a plurality of TFTs (thin film transistors) provided on the substrate, each TFT comprising a semiconductor active layer, a source electrode and a drain electrode that contact the semiconductor active layer, and an ohmic contact layer interposed between the semiconductor active layer and the source and drain electrodes;
- a light emitting layer deposited on each TFT;
- and
- a pixel electrode formed by extending one of the source electrode and the drain electrode,
- wherein the ohmic contact layer and a layer including the source and drain electrodes are formed to have the same pattern, the light emitting layer being in direct contact with the extended one of the source electrode and the drain electrode.
A flat display device comprising:
- a substrate;
- a plurality of thin film transistors provided on the substrate, each thin film transistor comprising a semiconductor active layer, a source electrode and a drain electrode that contact the semiconductor active layer, and an ohmic contact layer interposed between the semiconductor active layer and the source and drain electrodes;
- a pixel electrode formed by extending one of the source electrode and the drain electrode;
- and
- a light emitting layer deposited on the pixel electrode, the light emitting layer being in direct contact with the extended one of the source electrode and the drain electrode, wherein the ohmic contact layer and a layer including the source, drain and pixel electrodes having the same pattern.
Dependencies are inferred from the claim text.