Active matrix circuit substrate, display device, method of driving display device, and electronic apparatus
An active matrix circuit substrate includes a first power supply line, a second power supply line, a third power supply line, a fourth power supply line, a first control line, and a second control line; a pixel electrode and a memory circuit; a common electrode that is electrically connected to the fourth power supply line; a capacitor that is provided between the third power supply line and the pixel electrode; a first switch circuit that is provided between the first power supply line and the pixel electrode and operates on the basis of an output of the memory circuit and a potential of the first control line; and a second switch circuit that is provided between the second power supply line and the pixel electrode and operates on the basis of the output of the memory circuit and a potential of the second control line.
1. An active matrix circuit substrate comprising:
a first power supply line, a second power supply line, a third power supply line, a fourth power supply line, a first control line, and a second control line;
a pixel electrode and a memory circuit that are provided in correspondence with a pixel;
a common electrode that is electrically connected to the fourth power supply line;
a capacitor that is provided between the third power supply line and the pixel electrode;
a first switch circuit that is provided between the first power supply line and the pixel electrode and operates on the basis of an output of the memory circuit and a potential of the first control line; and
a second switch circuit that is provided between the second power supply line and the pixel electrode and operates on the basis of the output of the memory circuit and a potential of the second control line;
wherein the first switch circuit includes a first P-type transistor and a second P-type transistor that are connected in series to each other, and the second switch circuit includes a first N-type transistor and a second N-type transistor that are connected in series to each other.
2. The active matrix circuit substrate according to claim 1 , wherein the first control line and the second control line are one and the same.
3. The active matrix circuit substrate according to claim 1 , wherein at least one of the first switch circuit and the second switch circuit includes a circuit that prevents a current from flowing in reverse.
4. The active matrix circuit substrate according to claim 1 , wherein the third power supply line and the fourth power supply line are one and the same.
5. The active matrix circuit substrate according to claim 1 , further comprising:
a scan line;
a data line; and
a pixel switching element that is provided in correspondence with the pixel and is provided between the scan line, the data line, and the memory circuit.
6. A display device comprising:
the active matrix circuit substrate according to claim 1 ; and
an electro-optical material layer that is provided between the pixel electrode and the common electrode.
7. A display device comprising:
the active matrix circuit substrate according to claim 2 ; and
an electro-optical material layer that is provided between a pixel electrode and a common electrode.
8. A display device comprising:
the active matrix circuit substrate according to claim 3 ; and
an electro-optical material layer that is provided between a pixel electrode and a common electrode.
9. A display device comprising:
the active matrix circuit substrate according to claim 4 ; and
an electro-optical material layer that is provided between a pixel electrode and a common electrode.
10. A display device comprising:
the active matrix circuit substrate according to claim 5 ; and
an electro-optical material layer that is provided between a pixel electrode and a common electrode.
11. A method of driving the display device according to claim 6 , the method comprising:
causing the first switch circuit or the second switch circuit to be in a turn-off state before potentials change, when a potential of the third power supply line and a potential of the fourth power supply line change into the same phase.
12. A method of driving the display device according to claim 7 , the method comprising:
causing the first switch circuit or the second switch circuit to be in a turn-off state before potentials change when a potential of the third power supply line and a potential of the fourth power supply line change into the same phase.
13. A method of driving the display device according to claim 8 , the method comprising:
causing the first switch circuit or the second switch circuit to be in a turn-off state before potentials change, when a potential of the third power supply line and a potential of the fourth power supply line change into the same phase.
14. A method of driving the display device according to claim 9 , the method comprising:
causing the first switch circuit or the second switch circuit to be in a turn-off state before potentials change, when a potential of the third power supply line and a potential of the fourth power supply line change into the same phase.
15. A method of driving the display device according to claim 10 , the method comprising:
causing the first switch circuit or the second switch circuit to be in a turn-off state before potentials change, when a potential of the third power supply line and a potential of the fourth power supply line change into the same phase.
16. An electronic apparatus comprising: the display device according to claim 6 .
17. An electronic apparatus comprising: the display device according to claim 7 .