THIN-FILM TRANSISTOR AND METHOD FOR FORMING THE SAME
First Claim
1. A thin-film transistor, comprising:
- a substrate;
a gate electrode disposed on a top surface of the substrate;
a gate insulator layer disposed on the top surface of the substrate and covering on the gate electrode;
a semiconductor oxide layer disposed on the top surface of the gate insulator layer and comprising a semiconductor channel, and a thickness of the semiconductor oxide layer not being larger than 20 nanometers (nm);
a protection layer disposed on a top surface of the semiconductor oxide layer and corresponding to the semiconductor channel;
an organic dielectric layer disposed on the top surface of the semiconductor oxide layer, covering on the protection layer, and comprising a plurality of through holes; and
a source electrode and a drain electrode, disposed on a top surface of the organic dielectric layer and contacting the semiconductor oxide layer through the plurality of through holes.
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Accused Products
Abstract
A thin-film transistor comprises a substrate, a first electrode on the top surface of the substrate, an insulation layer on the top surface of the substrate and covering the first electrode, a semiconductor oxide layer on the top surface of the insulation layer, a protection layer on the top surface of the semiconductor oxide layer, an organic dielectric layer on the top surface of the semiconductor oxide layer and covering the protection layer, a source electrode and a drain electrode both penetrating the organic dielectric layer from the top surface thereof. A channel thickness of the semiconductor oxide layer is not thicker than 20 nanometers. The source electrode contacts the semiconductor oxide layer at the first side of the protection layer and the drain electrode contacts the semiconductor oxide layer at the second side, opposite to the first side, of the protection layer.
4 Citations
13 Claims
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1. A thin-film transistor, comprising:
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a substrate; a gate electrode disposed on a top surface of the substrate; a gate insulator layer disposed on the top surface of the substrate and covering on the gate electrode; a semiconductor oxide layer disposed on the top surface of the gate insulator layer and comprising a semiconductor channel, and a thickness of the semiconductor oxide layer not being larger than 20 nanometers (nm); a protection layer disposed on a top surface of the semiconductor oxide layer and corresponding to the semiconductor channel; an organic dielectric layer disposed on the top surface of the semiconductor oxide layer, covering on the protection layer, and comprising a plurality of through holes; and a source electrode and a drain electrode, disposed on a top surface of the organic dielectric layer and contacting the semiconductor oxide layer through the plurality of through holes. - View Dependent Claims (2, 3, 4, 5, 12, 13)
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6. A fabrication method of a thin-film transistor, comprising:
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providing a substrate; forming a gate electrode on the substrate; forming a gate insulator layer on the substrate, the gate insulator layer covering the gate electrode; forming a semiconductor oxide layer on the gate insulator layer, a thickness of the semiconductor oxide layer not being larger than 20 nm; forming a protection layer on the semiconductor oxide layer, the protection layer covering on a part of the semiconductor oxide layer; forming an organic dielectric layer on the semiconductor oxide layer, the organic dielectric layer covering on the protection layer; patterning the organic dielectric layer to form a plurality of through holes; and forming a source electrode and a drain electrode on the organic dielectric layer and respectively filling the plurality of through holes with the source electrode and the drain electrode so that the source electrode and the drain electrode contact the semiconductor oxide layer. - View Dependent Claims (7, 8, 9, 10, 11)
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Specification