Liquid Crystal Display Device And Electronic Device
First Claim
1. A liquid crystal display device comprising:
- a thin film transistor over a substrate;
a first insulating film over the thin film transistor;
a first conductive film electrically connected to the thin film transistor;
a second conductive film over the substrate;
a liquid crystal over the first conductive film and the second conductive film;
a second insulating film between the first conductive film and the second conductive film;
a wiring electrically connected to the first conductive film, wherein the wiring and a gate of the thin film transistor are provided on a same surface,wherein the second conductive film overlaps with an entire region of a channel formation region of the thin film transistor, andwherein an orientation of the liquid crystal is configured to be controlled by an electric filed between the first conductive film and the second conductive film.
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Accused Products
Abstract
To provide a semiconductor device, a liquid crystal display device, and an electronic device which have a wide viewing angle and in which the number of manufacturing steps, the number of masks, and manufacturing cost are reduced compared with a conventional one. The liquid crystal display device includes a first electrode formed over an entire surface of one side of a substrate; a first insulating film formed over the first electrode; a thin film transistor formed over the first insulating film; a second insulating film formed over the thin film transistor; a second electrode formed over the second insulating film and having a plurality of openings; and a liquid crystal over the second electrode. The liquid crystal is controlled by an electric field between the first electrode and the second electrode.
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Citations
21 Claims
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1. A liquid crystal display device comprising:
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a thin film transistor over a substrate; a first insulating film over the thin film transistor; a first conductive film electrically connected to the thin film transistor; a second conductive film over the substrate; a liquid crystal over the first conductive film and the second conductive film; a second insulating film between the first conductive film and the second conductive film; a wiring electrically connected to the first conductive film, wherein the wiring and a gate of the thin film transistor are provided on a same surface, wherein the second conductive film overlaps with an entire region of a channel formation region of the thin film transistor, and wherein an orientation of the liquid crystal is configured to be controlled by an electric filed between the first conductive film and the second conductive film. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A liquid crystal display device comprising:
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a thin film transistor over a substrate; a first insulating film over the thin film transistor; a first conductive film electrically connected to the thin film transistor through a contact hole in the first insulating film; a second conductive film over the substrate; a liquid crystal over the first conductive film and the second conductive film; a second insulating film between the first conductive film and the second conductive film; a wiring electrically connected to the first conductive film, wherein the wiring and a gate of the thin film transistor are provided on a same surface, wherein the second conductive film overlaps with an entire region of a channel formation region of the thin film transistor, and wherein an orientation of the liquid crystal is configured to be controlled by an electric filed between the first conductive film and the second conductive film. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A liquid crystal display device comprising:
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a first conductive film over a substrate; a thin film transistor overlapping with the first conductive film with a first insulating film interposed therebetween; a second conductive film overlapping with the thin film transistor with a second insulating film interposed therebetween, wherein the second conductive film is electrically connected to the thin film transistor through a first contact hole in the second insulating film; a liquid crystal over the first conductive film and the second conductive film with a third insulating film interposed therebetween; and a wiring electrically connected to the first conductive film, wherein the wiring and a gate of the thin film transistor are provided on a same surface, wherein an orientation of the liquid crystal is configured to be controlled by an electric filed between the first conductive film and the second conductive film. - View Dependent Claims (16, 17, 18, 19, 20, 21)
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Specification