Display device and electronic apparatus
A display device includes a pixel circuit, a driving circuit configured to drive a data line coupled to the pixel circuit, and a first capacitance element provided between the data line and the driving circuit, wherein the driving circuit includes a second capacitance element, and a first switching circuit configured to alternately repeat charging and discharging of the second capacitance element, and is configured to control the charging and the discharging based on a gradation specified by the pixel circuit, and output a voltage signal corresponding to the gradation.
1. A display device, comprising:
a pixel circuit;
a driving circuit configured to drive a data line coupled to the pixel circuit; and
a first capacitance element provided between the data line and the driving circuit, wherein
the driving circuit includes
a second capacitance element, and
a first switching circuit configured to alternately repeat charging and discharging of the second capacitance element, and
is configured to control the charging and the discharging based on a gradation specified by the pixel circuit to output a voltage signal in accordance with the gradation.
2. The display device according to claim 1 , wherein
the driving circuit is configured to
repeat the charging and the discharging for a period corresponding the gradation to generate the voltage signal.
3. The display device according to claim 1 , wherein
the driving circuit is configured to
repeat the charging and the discharging the number of times corresponding to the gradation to generate the voltage signal.
4. The display device according to claim 1 , wherein
the driving circuit includes
a third capacitance element, and
a second switching circuit configured to alternately repeat charging and discharging of the third capacitance element, and
the second switching circuit discharges the third capacitance element in a period in which the first switching circuit charges the second capacitance element, and
the second switching circuit charges the third capacitance element in a period in which the first switching circuit discharges the second capacitance element.
5. The display device according to claim 1 , wherein
the driving circuit includes
a fourth capacitance element different from the first capacitance element in capacity, and
a third switching circuit configured to alternately repeat charging and discharging of the fourth capacitance element.
6. A display device, comprising:
a pixel circuit;
a data line coupled to the pixel circuit;
a driving circuit configured to drive the data line; and
a first capacitance element having a first end coupled to the data line and a second end coupled to the driving circuit, wherein
the driving circuit includes
a second capacitance element, and
a first switching circuit configured to alternately repeat charging and discharging of the second capacitance element, and
is configured to control the charging and the discharging based on a gradation specified by the pixel circuit to output a voltage signal in accordance with the gradation.
7. An electronic apparatus comprising:
the display device according to claim 1 .