ARRAY SUBSTRATE FOR LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME
First Claim
1. An array substrate for a display device, comprising:
- a substrate having a pixel region and a switching region;
a source electrode and a drain electrode on the switching region of the substrate, ends of the source and drain electrodes having tapered edges;
a pixel electrode in the pixel region of the substrate, the pixel electrode being connected to the drain electrode;
an organic semiconductor layer on the source and drain electrodes, the organic semiconductor layer completely contacting tapered edges and a top surface of each of the source and drain electrodes;
a first insulating layer on the organic semiconductor layer; and
a gate electrode on the first insulating layer.
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Accused Products
Abstract
An array substrate for a display device, including a substrate having a pixel region and a switching region, a source electrode and a drain electrode on the switching region of the substrate, ends of the source and drain electrodes having tapered edges, a pixel electrode in the pixel region of the substrate, the pixel electrode being connected to the drain electrode, an organic semiconductor layer on the source and drain electrodes, the organic semiconductor layer completely contacting tapered edges and a top surface of each of the source and drain electrodes, a first insulating layer on the organic semiconductor layer, and a gate electrode on the first insulating layer.
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Citations
28 Claims
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1. An array substrate for a display device, comprising:
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a substrate having a pixel region and a switching region; a source electrode and a drain electrode on the switching region of the substrate, ends of the source and drain electrodes having tapered edges; a pixel electrode in the pixel region of the substrate, the pixel electrode being connected to the drain electrode; an organic semiconductor layer on the source and drain electrodes, the organic semiconductor layer completely contacting tapered edges and a top surface of each of the source and drain electrodes; a first insulating layer on the organic semiconductor layer; and a gate electrode on the first insulating layer. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method of fabricating an array substrate for a display device, comprising the steps of:
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forming a substrate having a pixel region and a switching region; forming a source electrode and a drain electrode on the switching region of the substrate, ends of the source and drain electrodes having tapered edges; forming a pixel electrode in the pixel region of the substrate, the pixel electrode being connected to the drain electrode; forming an organic semiconductor layer on the source and drain electrodes, the organic semiconductor layer completely contacting tapered edges and a top surface of each of the source and drain electrodes; forming a first insulating layer on the organic semiconductor layer; and forming a gate electrode on the first insulating layer. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16)
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17. A method of fabricating an array substrate for a liquid crystal display device, comprising:
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forming a substrate having a pixel region and a switching region; forming a data line on the substrate; forming a source electrode and a drain electrode on the switching region of the substrate, the source electrode extending from the data line and being separated from the drain electrode, ends of the source and drain electrodes having an angle smaller than 90 degrees with respect to a surface of the substrate; forming a pixel electrode in the pixel region of the substrate, the pixel electrode being connected to the drain electrode; forming an organic semiconductor layer on the source and drain electrodes, the organic semiconductor layer contacting an inside end of each of the source and drain electrodes; forming a gate insulating layer on the organic semiconductor layer; forming a gate electrode on the gate insulating layer; forming a gate line connected to the gate electrode and crossing the data line to define the pixel region; and forming a first passivation layer on the gate electrode and the data line, a gate contact hole that exposes the gate electrode and an opening that exposes the pixel electrode being formed in the first passivation layer, the gate line being disposed on the second insulating layer and connected to the gate electrode through the gate contact hole. - View Dependent Claims (18, 19, 20, 21, 22)
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23. A method of fabricating an array substrate for a liquid crystal display device, comprising the steps of:
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forming a gate line and a gate electrode on a substrate having a pixel region and a switching region, the gate electrode extending from the gate line and positioned in the switching region; forming a gate insulating layer on the gate line and the gate electrode by depositing an organic insulating material; forming a data line, a source electrode and a drain electrode on the gate insulating layer, the source electrode extending from the data line and spaced apart from the drain electrode, ends of the source and drain electrodes having an angle smaller than 90 degrees with respect to a surface of the substrate, the source and drain electrodes positioned in the switching region; forming a pixel electrode on the gate insulating layer and in the pixel region, the pixel electrode connected to the drain electrode; forming an organic semiconductor layer on the source and drain electrodes and a first passivation layer on the organic semiconductor layer; and forming a second passivation layer on the first insulating layer and including an opening, wherein the pixel electrode is exposed through the opening. - View Dependent Claims (24, 25, 26, 27, 28)
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Specification