Transparent thin film transistor, and method of manufacturing the same
First Claim
1. A thin film transistor (TFT) comprising:
- a plastic substrate;
an active layer disposed on the plastic substrate and comprising a channel region, a source region, and a drain region, the active layer including a material selected from the group consisting of InZnO, ZnSnO, and ZnInGaO;
a gate electrode insulated from the active layer;
a source electrode insulated from the gate electrode and electrically connected to the source region of the active layer; and
a drain electrode insulated from the gate electrode and electrically connected to the drain region of the active layer,wherein the source region and the drain region of the active layer comprise hydrogen, andwherein a concentration of hydrogen of the source region and the drain region of the active layer ranges from about 1018/cm3 to about 1021/cm3, andwherein the active layer is transparent to light.
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Abstract
A thin film transistor (TFT) and a method of manufacturing the same such that an ohmic contact can be formed between a semiconductor layer and a source electrode or between the semiconductor layer and a drain electrode, wherein the TFT can be applied to a plastic substrate. The TFT includes: a substrate; an active layer formed of ZnO, InZnO, ZnSnO, and/or ZnInGaO on the substrate and including a channel region, a source region, and a drain region; a gate electrode insulated from the active layer; and source and drain electrodes insulated from the gate electrode and electrically connected to the source region and the drain region, respectively, wherein the source region and the drain region of the active layer include hydrogen.
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Citations
2 Claims
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1. A thin film transistor (TFT) comprising:
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a plastic substrate; an active layer disposed on the plastic substrate and comprising a channel region, a source region, and a drain region, the active layer including a material selected from the group consisting of InZnO, ZnSnO, and ZnInGaO; a gate electrode insulated from the active layer; a source electrode insulated from the gate electrode and electrically connected to the source region of the active layer; and a drain electrode insulated from the gate electrode and electrically connected to the drain region of the active layer, wherein the source region and the drain region of the active layer comprise hydrogen, and wherein a concentration of hydrogen of the source region and the drain region of the active layer ranges from about 1018/cm3 to about 1021/cm3, and wherein the active layer is transparent to light. - View Dependent Claims (2)
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Specification