DISPLAY DEVICE AND DRIVING METHOD THEREOF
First Claim
1. A liquid crystal display device comprising a plurality of pixels, each of the plurality of pixels comprising:
- a first liquid crystal element;
a second liquid crystal element;
a capacitor element; and
a circuit,wherein the circuit is configured to electrically connect a first wiring and one of the first liquid crystal element and the second liquid crystal element so that a first voltage is applied to the capacitor element and one of the first liquid crystal element and the second liquid crystal element;
wherein the circuit configured to switch between a first state in which the first liquid crystal element and the capacitor element are electrically connected and the second liquid crystal element and the capacitor element are electrically disconnected, and a second state in which the first liquid crystal element and the capacitor element are electrically disconnected and the second liquid crystal element and the capacitor element are electrically connected; and
wherein the circuit is configured to electrically connect the first liquid crystal element, the second liquid crystal element, the capacitor element, and a second wiring so that a second voltage is applied to the first liquid crystal element, the second liquid crystal element, and the capacitor element.
1 Assignment
0 Petitions
Accused Products
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.
56 Citations
8 Claims
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1. A liquid crystal display device comprising a plurality of pixels, each of the plurality of pixels comprising:
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a first liquid crystal element; a second liquid crystal element; a capacitor element; and a circuit, wherein the circuit is configured to electrically connect a first wiring and one of the first liquid crystal element and the second liquid crystal element so that a first voltage is applied to the capacitor element and one of the first liquid crystal element and the second liquid crystal element; wherein the circuit configured to switch between a first state in which the first liquid crystal element and the capacitor element are electrically connected and the second liquid crystal element and the capacitor element are electrically disconnected, and a second state in which the first liquid crystal element and the capacitor element are electrically disconnected and the second liquid crystal element and the capacitor element are electrically connected; and wherein the circuit is configured to electrically connect the first liquid crystal element, the second liquid crystal element, the capacitor element, and a second wiring so that a second voltage is applied to the first liquid crystal element, the second liquid crystal element, and the capacitor element. - View Dependent Claims (7, 8)
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2. A liquid crystal display device comprising a plurality of pixels, each of the plurality of pixels comprising:
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a first liquid crystal element; a second liquid crystal element; a capacitor element; and a circuit, wherein the circuit is configured to electrically connect the first liquid crystal element, the second liquid crystal element, and a first wiring so that a first voltage is applied to the first liquid crystal element and the second liquid crystal element; wherein the circuit is configured to switch between a first state in which the first liquid crystal element and the capacitor element are electrically connected and the second liquid crystal element and the capacitor element are electrically disconnected, and a second state in which the first liquid crystal element and the capacitor element are electrically disconnected and the second liquid crystal element and the capacitor element are electrically connected; and wherein the circuit is configured to electrically connect the first liquid crystal element, the second liquid crystal element, the capacitor element, and a second wiring so that a second voltage is applied to the first liquid crystal element, the second liquid crystal element, and the capacitor element.
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3. A liquid crystal display device comprising a plurality of pixels, each of the plurality of pixels comprising:
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a first liquid crystal element; a second liquid crystal element; a capacitor element; and a circuit, wherein the circuit is configured to connect the first liquid crystal element, the second liquid crystal element, the capacitor element and a first wiring so that a first voltage is applied to the first liquid crystal element, the second liquid crystal element, and the capacitor element; wherein the circuit is configured to switch between a first state in which the first liquid crystal element and the capacitor element are electrically connected and the second liquid crystal element and the capacitor element are electrically disconnected, and a second state in which the first liquid crystal element and the capacitor element are electrically disconnected and the second liquid crystal element and the capacitor element are electrically connected; and wherein the circuit is configured to electrically connect the capacitor element and a second wiring so that a second voltage is applied to the capacitor element.
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4. A liquid crystal display device comprising a plurality of pixels, each of the plurality of pixels comprising:
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a first liquid crystal element; a second liquid crystal element; a first switch; a capacitor element; a second switch; a third switch; and a fourth switch, wherein one terminal of the first switch is configured to be electrically connected to a second wiring; wherein one terminal of the second switch is configured to be electrically connected to the other terminal of the first switch and the capacitor element, and the other terminal of the second switch is configured to be electrically connected to the first liquid crystal element; wherein one terminal of the third switch is configured to be electrically connected to the other terminal of the first switch and the capacitor element, and the other terminal of the third switch is configured to be electrically connected to the second liquid crystal element; and wherein a terminal of the fourth switch is electrically connected to the other terminal of the first switch and the capacitor element, and the other terminal of the fourth switch is electrically connected to a first wiring. - View Dependent Claims (6)
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5. A liquid crystal display device comprising:
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a plurality of pixels, each of the plurality of pixels comprising; a first liquid crystal element; a second liquid crystal element; a first switch; a capacitor element; a second switch; a third switch; and a fourth switch, wherein one terminal of the first switch is configured to be electrically connected to a second wiring; wherein one terminal of the second switch is configured to be electrically connected to the other terminal of the first switch and the capacitor element, and the other terminal of the second switch is configured to be electrically connected to the first liquid crystal element; wherein one terminal of the third switch is configured to be electrically connected to the other terminal of the first switch and the capacitor element, and the other terminal of the third switch is configured to be electrically connected to the second liquid crystal element; and wherein one terminal of the fourth switch is configured to be electrically connected to the other terminal of the first switch and the capacitor element, and the other terminal of the fourth switch is configured to be electrically connected to a first wiring; a first scan line; a second scan line; a third scan line; and a fourth scan line, wherein the first scan line is configured to control the first switch by a signal which controls an applying state of voltage for driving the first liquid crystal element and the second liquid crystal element; wherein the second scan line is configured to control the second switch by a signal which controls an electrical connection between the capacitor element and the first liquid crystal element; wherein the third scan line is configured to control the third switch by a signal which controls an electrical connection between the capacitor element and the second liquid crystal element; and wherein the fourth scan line is configured to control the fourth switch by a signal which controls an electrical connection between the capacitor element and the first wiring.
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Specification