DISPLAY SUBSTRATES, METHODS OF MANUFACTURING THE SAME AND DISPLAY DEVICES INCLUDING THE SAME
First Claim
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1. A display substrate, comprising:
- a switching device including;
a first semiconductor layer,a first gate insulation layer,a gate electrode,a second gate insulation layer,a source electrode, anda drain electrode,wherein the first semiconductor layer, the first gate insulation layer, the gate electrode, and the second gate insulation layer are sequentially formed on a base substrate,wherein the source electrode and the drain electrode are formed to be electrically connected, through the second and first gate insulation layers, to the first semiconductor layer;
a first wiring formed on the first gate insulation layer; and
a second wiring formed on the second gate insulation layer, the second wiring being formed over the first wiring and electrically connected to the first wiring.
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Abstract
Display substrates and display devices with reduced electrical resistance are disclosed. One inventive aspect includes a switching device, a first wiring and a second wiring. The switching device includes a first semiconductor layer, first and second gate insulation layers, a source electrode and a drain electrode. The source and drain electrodes are formed to electrically connect, through the first and second gate insulation layers, to the first semiconductor layer. The second wiring is formed on the second gate insulation layer and electrically connected to the first wiring.
28 Citations
20 Claims
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1. A display substrate, comprising:
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a switching device including; a first semiconductor layer, a first gate insulation layer, a gate electrode, a second gate insulation layer, a source electrode, and a drain electrode, wherein the first semiconductor layer, the first gate insulation layer, the gate electrode, and the second gate insulation layer are sequentially formed on a base substrate, wherein the source electrode and the drain electrode are formed to be electrically connected, through the second and first gate insulation layers, to the first semiconductor layer; a first wiring formed on the first gate insulation layer; and a second wiring formed on the second gate insulation layer, the second wiring being formed over the first wiring and electrically connected to the first wiring. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method of manufacturing a display substrate, comprising:
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forming a first semiconductor layer on a base substrate; forming a first gate insulation layer to cover the first semiconductor layer on the base substrate; forming a gate electrode and a first wiring on the first gate insulation layer; forming a second gate insulation layer to cover the gate electrode and the first wiring; forming a second wiring on the second gate insulation layer, the second wiring being formed over the first wiring and electrically connected to the first wiring; and forming a source electrode and a drain electrode, the source and drain electrodes being electrically connected, through the second and first gate insulation layers, to the first semiconductor layer. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
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19. A display device, comprising:
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a switching device including a first semiconductor layer, a first gate insulation layer, a gate electrode and a second gate insulation layer sequentially formed on a base substrate, the switching device further including a source electrode and a drain electrode which are formed through the second and first gate insulation layers to be electrically connected to the first semiconductor layer; a first wiring on the first gate insulation layer; a second wiring on the second gate insulation layer, the second wiring being superimposed over the first wiring and being electrically connected to the first wiring; a first electrode electrically connected to the drain electrode; an organic light emitting layer on the first electrode; and a second electrode on the organic light emitting layer. - View Dependent Claims (20)
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Specification