Liquid crystal display device, semiconductor device, and electronic appliance
AssigneeSemiconductor Energy Laboratory Co., Ltd.
InventorHajime Kimura
Life of this patent
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Abstract
The liquid crystal display device includes an island-shaped first semiconductor film 102 which is formed over a base insulating film 101 and in which a source 102d, a channel forming region 102a, and a drain 102b are formed; a first electrode 102c which is formed of a material same as the first semiconductor film 102 to be the source 102d or the drain 102b and formed over the base insulating film 101; a second electrode 108 which is formed over the first electrode 102c and includes a first opening pattern 112; and a liquid crystal 110 which is provided over the second electrode 108.
Claims10
A display device comprising:
- a first pixel comprising:
- a capacitor comprising a first electrode and a second electrode;
- and
- a transistor comprising a semiconductor layer connected to the second electrode,
- wherein the second electrode comprises a region used as a pixel electrode,
- wherein the first electrode comprises indium, zinc, gallium, and oxygen,
- wherein the semiconductor layer comprises indium, zinc, gallium, and oxygen,
- wherein the first electrode and the semiconductor layer are positioned over a first insulating layer,
- wherein the second electrode is positioned over a second insulating layer comprising an organic material,
- wherein the second insulating layer is positioned over the first electrode and the semiconductor layer, and
- wherein the first electrode is connected to a wiring positioned below the first electrode.
A display device comprising:
- a first pixel comprising:
- a capacitor comprising a first electrode and a second electrode;
- and
- a transistor comprising a semiconductor layer connected to the second electrode,
- wherein the second electrode comprises a region used as a pixel electrode,
- wherein the first electrode comprises indium, zinc, gallium, and oxygen,
- wherein the semiconductor layer comprises indium, zinc, gallium, and oxygen,
- wherein the first electrode and the semiconductor layer are positioned over a first insulating layer,
- wherein the second electrode is positioned over a second insulating layer comprising an organic material,
- wherein the second insulating layer is positioned over the first electrode and the semiconductor layer, and
- wherein the first electrode is not a floating electrode.
A display device comprising:
- a first pixel comprising:
- a capacitor comprising a first electrode and a second electrode;
- and
- a transistor comprising a semiconductor layer connected to the second electrode,
- wherein the second electrode comprises a region used as a pixel electrode,
- wherein the first electrode comprises indium, zinc, gallium, and oxygen,
- wherein the semiconductor layer comprises indium, zinc, gallium, and oxygen,
- wherein the first electrode and the semiconductor layer are positioned over a first insulating layer,
- wherein the second electrode is positioned over a second insulating layer comprising an organic material,
- wherein the second insulating layer is positioned over the first electrode and the semiconductor layer, and
- wherein the first electrode is not a pixel electrode.
Dependencies are inferred from the claim text.