Liquid crystal display device
The present invention has a pixel which includes a first switch, a second switch, a third switch, a first resistor, a second resistor, a first liquid crystal element, and a second liquid crystal element. A pixel electrode of the first liquid crystal element is electrically connected to a signal line through the first switch. The pixel electrode of the first liquid crystal element is electrically connected to a pixel electrode of the second liquid crystal element through the second switch and the first resistor. The pixel electrode of the second liquid crystal element is electrically connected to a Cs line through the third switch and the second resistor. A common electrode of the first liquid crystal element is electrically connected to a common electrode of the second liquid crystal element.
1. A display device comprising:
a scanning backlight including a diffusion plate and a light source; and
a pixel comprising:
a first transistor;
a second transistor;
a third transistor;
a first capacitor;
a second capacitor;
a third capacitor;
a first wiring;
a second wiring;
a third wiring;
a first liquid crystal element including a first pixel electrode; and
a second liquid crystal element including a second pixel electrode,
wherein on/off of the first transistor and on/off of the second transistor are controlled by a signal input to a scan line,
wherein the first capacitor serves to hold a voltage between a potential of the first wiring and a common potential supplied by a Cs line,
wherein the second capacitor serves to hold a voltage between a potential of the second wiring and the common potential,
wherein one of a source and a drain of the first transistor is in contact with the first wiring,
wherein the first pixel electrode is in contact with the first wiring,
wherein one of a source and a drain of the second transistor is in contact with the second wiring,
wherein the second pixel electrode is in contact with the second wiring,
wherein one of a source and a drain of the third transistor is in contact with the second wiring,
wherein the other of the source and the drain of the third transistor is in contact with the third wiring, and
wherein the first wiring is not overlapped with the second pixel electrode and the second wiring and the third wiring are not overlapped with the first pixel electrode.
2. The display device according to claim 1 , wherein on/off of the third transistor is controlled by the signal.
3. The display device according to claim 1 , wherein the common potential is supplied to the second wiring through both of the source and the drain of the first transistor.
4. The display device according to claim 1 , wherein the light source is an LED.
5. The display device according to claim 1 , wherein the light source is a cold cathode fluorescent lamp.
6. The display device according to claim 1 , wherein the other of the source and the drain of the second transistor is connected to a signal line.
7. The display device according to claim 6 ,
wherein the signal line is directly connected to the other of the source and the drain of the second transistor, and
wherein the signal line is not directly connected to the other of the source and the drain of the first transistor.
8. A display device comprising:
a driver circuit configured to perform double-frame rate driving; and
a pixel operationally connected to the driver circuit, the pixel comprising:
a first transistor;
a second transistor;
a third transistor;
a first capacitor;
a second capacitor;
a first wiring;
a second wiring;
a third wiring;
a first liquid crystal element including a first pixel electrode; and
a second liquid crystal element including a second pixel electrode,
wherein on/off of the first transistor and on/off of the second transistor are controlled by a signal input to a scan line,
wherein the first capacitor serves to hold a voltage between a potential of the first wiring and a common potential supplied by a Cs line,
wherein the second capacitor serves to hold a voltage between a potential of the second wiring and the common potential,
wherein one of a source and a drain of the first transistor is in contact with the first wiring,
wherein the first pixel electrode is in contact with the first wiring,
wherein one of a source and a drain of the second transistor is in contact with the second wiring,
wherein the second pixel electrode is in contact with the second wiring,
wherein one of a source and a drain of the third transistor is in contact with the second wiring,
wherein the other of the source and the drain of the third transistor is in contact with the third wiring, and
wherein the first wiring is not overlapped with the second pixel electrode and the second wiring and the third wiring are not overlapped with the first pixel electrode.
9. The display device according to claim 8 , wherein on/off of the third transistor is controlled by the signal.
10. The display device according to claim 8 , wherein the common potential is supplied to the second wiring through both of the source and the drain of the first transistor.
11. The display device according to claim 8 , wherein the other of the source and the drain of the second transistor is connected to a signal line.
12. The display device according to claim 11 ,
wherein the signal line is directly connected to the other of the source and the drain of the second transistor, and
wherein the signal line is not directly connected to the other of the source and the drain of the first transistor.
13. A display device comprising a pixel comprising:
a first transistor;
a second transistor;
a third transistor;
a first capacitor;
a second capacitor;
a first wiring;
a second wiring;
a third wiring;
a first liquid crystal element including a first pixel electrode; and
a second liquid crystal element including a second pixel electrode,
wherein on/off of the first transistor and on/off of the second transistor are controlled by a signal input to a scan line,
wherein the first capacitor serves to hold a voltage between a potential of the first wiring and a common potential supplied by a Cs line,
wherein the second capacitor serves to hold a voltage between a potential of the second wiring and the common potential,
wherein one of a source and a drain of the first transistor is in contact with the first wiring,
wherein the first pixel electrode is in contact with the first wiring,
wherein one of a source and a drain of the second transistor is in contact with the second wiring,
wherein the second pixel electrode is in contact with the second wiring,
wherein one of a source and a drain of the third transistor is in contact with the second wiring,
wherein the other of the source and the drain of the third transistor is in contact with the third wiring, and
wherein the first wiring is not overlapped with the second pixel electrode and the second wiring and the third wiring are not overlapped with the first pixel electrode.
14. The display device according to claim 13 , wherein on/off of the third transistor is controlled by the signal.
15. The display device according to claim 13 , wherein the common potential is supplied to the second wiring through both of the source and the drain of the first transistor.
16. The display device according to claim 13 , wherein the other of the source and the drain of the second transistor is connected to a signal line.
17. The display device according to claim 16 ,
wherein the signal line is directly connected to the other of the source and the drain of the second transistor, and
wherein the signal line is not directly connected to the other of the source and the drain of the first transistor.