Semiconductor device and method of fabricating the same
First Claim
Patent Images
1. A display device comprising:
- a thin film transistor, the thin film transistor comprising;
a gate electrode formed over a substrate;
an insulating film formed over the gate electrode;
a semiconductor film formed over the insulating film;
a source electrode formed over the semiconductor film; and
a drain electrode formed over the semiconductor film;
a pixel electrode comprising a transparent conductive material, formed over the substrate, and connected to the drain electrode;
a source wiring being continuous to the source electrode, formed over the insulating film;
a gate wiring being continuous to the gate electrode, formed over the substrate;
a passivation film formed over the source electrode and the drain electrode, the passivation film being in contact with a portion of the semiconductor film between the source electrode and the drain electrode; and
a capacitor, the capacitor comprising;
a capacitor wiring formed over the substrate, wherein the capacitor wiring comprises a same material as the gate electrode;
the insulating film formed over the capacitor wiring; and
the pixel electrode formed over the capacitor wiring with the insulating film interposed therebetween,wherein the capacitor wiring extends substantially in parallel with the gate wiring at least in a pixel portion,wherein the capacitor wiring is electrically connected to a terminal portion, andwherein the terminal portion is formed in an edge portion of the substrate.
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Abstract
A display device includes a main body, a support stand, and a display portion. The display portion includes a pixel having a TFT and a capacitor. The capacitor includes a capacitor electrode on an insulating surface, an insulating film on the capacitor electrode, and a pixel electrode of the TFT on the insulating film.
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Citations
48 Claims
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1. A display device comprising:
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a thin film transistor, the thin film transistor comprising; a gate electrode formed over a substrate; an insulating film formed over the gate electrode; a semiconductor film formed over the insulating film; a source electrode formed over the semiconductor film; and a drain electrode formed over the semiconductor film; a pixel electrode comprising a transparent conductive material, formed over the substrate, and connected to the drain electrode; a source wiring being continuous to the source electrode, formed over the insulating film; a gate wiring being continuous to the gate electrode, formed over the substrate; a passivation film formed over the source electrode and the drain electrode, the passivation film being in contact with a portion of the semiconductor film between the source electrode and the drain electrode; and a capacitor, the capacitor comprising; a capacitor wiring formed over the substrate, wherein the capacitor wiring comprises a same material as the gate electrode; the insulating film formed over the capacitor wiring; and the pixel electrode formed over the capacitor wiring with the insulating film interposed therebetween, wherein the capacitor wiring extends substantially in parallel with the gate wiring at least in a pixel portion, wherein the capacitor wiring is electrically connected to a terminal portion, and wherein the terminal portion is formed in an edge portion of the substrate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A display device comprising:
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a thin film transistor, the thin film transistor comprising; a gate electrode formed over a substrate; an insulating film formed over the gate electrode; a first semiconductor film formed over the insulating film; a source electrode formed over the first semiconductor film; and a drain electrode formed over the first semiconductor film; a pixel electrode comprising a transparent conductive material, formed over the substrate, and connected to the drain electrode; a source wiring being continuous to the source electrode, formed over the insulating film and a second semiconductor film; wherein the second semiconductor film is continuous to the first semiconductor film, and comprises the same material as the first semiconductor film, a gate wiring being continuous to the gate electrode, formed over the substrate; a passivation film formed over the source electrode and the drain electrode, the passivation film being in contact with a portion of the first semiconductor film between the source electrode and the drain electrode; and a capacitor, the capacitor comprising; a capacitor wiring formed over the substrate, wherein the capacitor wiring comprises a same material as the gate electrode; the insulating film formed over the capacitor wiring; and the pixel electrode formed over the capacitor wiring with the insulating film interposed therebetween, wherein the capacitor wiring extends substantially in parallel with the gate wiring at least in a pixel portion, wherein the capacitor wiring is electrically connected to a terminal portion, and wherein the terminal portion is formed in an edge portion of the substrate. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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25. A display device comprising:
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a thin film transistor, the thin film transistor comprising; a gate electrode formed over a substrate; an insulating film formed over the gate electrode; a semiconductor film formed over the insulating film; a source electrode formed over the semiconductor film; and a drain electrode formed over the semiconductor film; a pixel electrode comprising a transparent conductive material, formed over the substrate, and connected to the drain electrode; a source wiring being continuous to the source electrode, formed over the insulating film; a gate wiring being continuous to the gate electrode, formed over the substrate; a passivation film formed over the source electrode and the drain electrode, the passivation film being in contact with a portion of the semiconductor film between the source electrode and the drain electrode; an alignment film formed over the passivation film; and a capacitor, the capacitor comprising; a capacitor wiring formed over the substrate, wherein the capacitor wiring comprises a same material as the gate electrode; the insulating film formed over the capacitor wiring; and the pixel electrode formed over the capacitor wiring with the insulating film interposed therebetween, wherein the capacitor wiring extends substantially in parallel with the gate wiring at least in a pixel portion, wherein the capacitor wiring is electrically connected to a terminal portion, and wherein the terminal portion is formed in an edge portion of the substrate. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36)
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37. A display device comprising:
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a thin film transistor, the thin film transistor comprising; a gate electrode formed over a substrate; an insulating film formed over the gate electrode; a first semiconductor film formed over the insulating film; a source electrode formed over the first semiconductor film; and a drain electrode formed over the first semiconductor film; a pixel electrode comprising a transparent conductive material, formed over the substrate, and connected to the drain electrode; a source wiring being continuous to the source electrode, formed over the insulating film and a second semiconductor film; wherein the second semiconductor film is continuous to the first semiconductor film, and comprises the same material as the first semiconductor film, a gate wiring being continuous to the gate electrode, formed over the substrate; a passivation film formed over the source electrode and the drain electrode, the passivation film being in contact with a portion of the first semiconductor film between the source electrode and the drain electrode; an alignment film formed over the passivation film; and a capacitor, the capacitor comprising; a capacitor wiring formed over the substrate, wherein the capacitor wiring comprises a same material as the gate electrode; the insulating film formed over the capacitor wiring; and the pixel electrode formed over the capacitor wiring with the insulating film interposed therebetween, wherein the capacitor wiring extends substantially in parallel with the gate wiring at least in a pixel portion, wherein the capacitor wiring is electrically connected to a terminal portion, and wherein the terminal portion is formed in an edge portion of the substrate. - View Dependent Claims (38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48)
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Specification