Semiconductor Device and Electronic Device
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Accused Products
Abstract
To provide a novel shift register. Transistors 101 to 104 are provided. A first terminal of the transistor 101 is connected to a wiring 111 and a second terminal of the transistor 101 is connected to a wiring 112. A first terminal of the transistor 102 is connected to a wiring 113 and a second terminal of the transistor 102 is connected to the wiring 112. A first terminal of the transistor 103 is connected to the wiring 113 and a gate of the transistor 103 is connected to the wiring 111 or a wiring 119. A first terminal of the transistor 104 is connected to a second terminal of the transistor 103, a second terminal of the transistor 104 is connected to a gate of the transistor 101, and a gate of the transistor 104 is connected to a gate of the transistor 102.
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Citations
19 Claims
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1. (canceled)
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2. A semiconductor device comprising:
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a first transistor, a second transistor, a third transistor, and a fourth transistor; and a first wiring and a second wiring, wherein one of a source and a drain of the first transistor is electrically connected to one of a source and a drain of the second transistor, wherein the other of the source and the drain of the first transistor and a gate of the third transistor are electrically connected to the first wiring, wherein a gate of the first transistor is electrically connected to one of a source and a drain of the fourth transistor, wherein the other of the source and the drain of the second transistor and one of a source and a drain of the third transistor are electrically connected to the second wiring, wherein a gate of the second transistor is electrically connected to a gate of the fourth transistor, and wherein the other of the source and the drain of the third transistor is electrically connected to the other of the source and the drain of the fourth transistor. - View Dependent Claims (3, 4, 5, 6, 7)
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8. A semiconductor device comprising:
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a first transistor, a second transistor, a third transistor, and a fourth transistor; and a first wiring, a second wiring, and a third wiring, wherein one of a source and a drain of the first transistor is electrically connected to one of a source and a drain of the second transistor, wherein the other of the source and the drain of the first transistor is electrically connected to the first wiring, wherein a gate of the first transistor is electrically connected to one of a source and a drain of the fourth transistor, wherein the other of the source and the drain of the second transistor and one of a source and a drain of the third transistor are electrically connected to the second wiring, wherein a gate of the second transistor is electrically connected to a gate of the fourth transistor, wherein the other of the source and the drain of the third transistor is electrically connected to the other of the source and the drain of the fourth transistor, wherein a gate of the third transistor is electrically connected to the third wiring, and wherein the gate of the third transistor is not electrically connected to the gate of the fourth transistor. - View Dependent Claims (9, 10, 11, 12, 13)
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14. A semiconductor device comprising:
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a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor, and a seventh transistor; and a first wiring, a second wiring;
a third wiring, and a fourth wiring,wherein one of a source and a drain of the first transistor is electrically connected to one of a source and a drain of the second transistor, wherein the other of the source and the drain of the first transistor and a gate of the third transistor are electrically connected to the first wiring, wherein a gate of the first transistor is electrically connected to one of a source and a drain of the fourth transistor, wherein the other of the source and the drain of the second transistor and one of a source and a drain of the third transistor are electrically connected to the second wiring, wherein a gate of the second transistor is electrically connected to a gate of the fourth transistor, one of a source and a drain of the sixth transistor, and one of a source and a drain of the seventh transistor, wherein the other of the source and the drain of the third transistor is electrically connected to the other of the source and the drain of the fourth transistor, wherein one of a source and a drain of the fifth transistor is electrically connected to a gate of the seventh transistor, wherein the other of the source and the drain of the fifth transistor is electrically connected to the fourth wiring, and wherein a gate of the sixth transistor is electrically connected to the third wiring. - View Dependent Claims (15, 16, 17, 18, 19)
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Specification