Display device and driving method thereof
First Claim
Patent Images
1. A display device comprising a pixel, the pixel comprising:
- a first transistor;
a second transistor;
a first capacitor;
a second capacitor;
a third capacitor;
a first display element comprising a first pixel electrode;
a second display element comprising a second pixel electrode;
a first wiring;
a second wiring; and
a third wiring,wherein at least one of the first transistor and the second transistor comprises an oxide semiconductor,wherein a first terminal of the first transistor is electrically connected to the first wiring,wherein a second terminal of the first transistor is electrically connected to the first pixel electrode,wherein a first terminal of the second transistor is electrically connected to the first wiring,wherein a second terminal of the second transistor is electrically connected to the second pixel electrode,wherein a first terminal of the first capacitor is electrically connected to the first pixel electrode,wherein a second terminal of the first capacitor is electrically connected to the second wiring,wherein a first terminal of the second capacitor is electrically connected to the second pixel electrode,wherein a second terminal of the second capacitor is electrically connected to the second wiring,wherein a first terminal of the third capacitor is electrically connected to the second pixel electrode, andwherein a second terminal of the third capacitor is electrically connected to the third wiring.
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Abstract
With a display device using a pixel which includes a sub-pixel, the display device with improved viewing angle and quality of moving image display is provided without increase in power consumption by driving of the sub-pixel. A circuit which can change conducting states by a plurality of switches is provided, and charge in a plurality of sub-pixels and a capacitor element is transported mutually, so that desired voltage is applied to the plurality of sub-pixels without applying voltage in plural times from external. Moreover, a period in which each sub-pixel displays black is provided in accordance with transfer of charge.
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Citations
20 Claims
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1. A display device comprising a pixel, the pixel comprising:
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a first transistor; a second transistor; a first capacitor; a second capacitor; a third capacitor; a first display element comprising a first pixel electrode; a second display element comprising a second pixel electrode; a first wiring; a second wiring; and a third wiring, wherein at least one of the first transistor and the second transistor comprises an oxide semiconductor, wherein a first terminal of the first transistor is electrically connected to the first wiring, wherein a second terminal of the first transistor is electrically connected to the first pixel electrode, wherein a first terminal of the second transistor is electrically connected to the first wiring, wherein a second terminal of the second transistor is electrically connected to the second pixel electrode, wherein a first terminal of the first capacitor is electrically connected to the first pixel electrode, wherein a second terminal of the first capacitor is electrically connected to the second wiring, wherein a first terminal of the second capacitor is electrically connected to the second pixel electrode, wherein a second terminal of the second capacitor is electrically connected to the second wiring, wherein a first terminal of the third capacitor is electrically connected to the second pixel electrode, and wherein a second terminal of the third capacitor is electrically connected to the third wiring. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A display device comprising a pixel, the pixel comprising:
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a first transistor; a second transistor; a first capacitor; a second capacitor; a third capacitor; a first display element comprising a first pixel electrode; a second display element comprising a second pixel electrode; a first wiring; a second wiring; a third wiring; and a fourth wiring, wherein at least one of the first transistor and the second transistor comprises an oxide semiconductor, wherein a first terminal of the first transistor is electrically connected to the first wiring, wherein a second terminal of the first transistor is electrically connected to the first pixel electrode, wherein a first terminal of the second transistor is electrically connected to the first wiring, and wherein a second terminal of the second transistor is electrically connected to the second pixel electrode, wherein a first terminal of the first capacitor is electrically connected to the first pixel electrode, wherein a second terminal of the first capacitor is electrically connected to the second wiring, wherein a first terminal of the second capacitor is electrically connected to the second pixel electrode, wherein a second terminal of the second capacitor is electrically connected to the third wiring, wherein a first terminal of the third capacitor is electrically connected to the second pixel electrode, and wherein a second terminal of the third capacitor is electrically connected to the fourth wiring. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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14. A display device comprising a pixel, the pixel comprising:
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a first transistor; a second transistor; a third transistor; a first capacitor; a second capacitor; a first pixel electrode; a second pixel electrode; a first wiring; a second wiring; a third wiring; and a fourth wiring, wherein at least one of the first transistor and the second transistor comprises an oxide semiconductor, wherein a first terminal of the first transistor is electrically connected to the first wiring, wherein a second terminal of the first transistor is electrically connected to the first pixel electrode, wherein a first terminal of the second transistor is electrically connected to the first wiring, and wherein a second terminal of the second transistor is electrically connected to the second pixel electrode, wherein a first terminal of the first capacitor is electrically connected to the first pixel electrode, wherein a second terminal of the first capacitor is electrically connected to the second wiring, wherein a first terminal of the second capacitor is electrically connected to the second pixel electrode, wherein a second terminal of the second capacitor is electrically connected to the third wiring, wherein a first terminal of the third transistor is electrically connected to the second pixel electrode, and wherein a second terminal of the third transistor is electrically connected to the fourth wiring. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification