Driving circuit
View Patent ↗A driving circuit of a display device is provided. In a first time period of a data writing period, a control section of the driving circuit effects control so as to short-circuit a first node which is set to a target gradation potential and a node (second node) adjacent to the first node, and such that a line (second line) between the second node and a hold capacitor of a pixel is connected in parallel to a line (first line) between the first node and the hold capacitor of the pixel. Further, in a second time period following the first time period, the control section controls switching element groups so as to cancel short-circuiting between the first node and the second node, and such that the second line is not connected in parallel to the first line.
1. A driving circuit for outputting, from output terminals, gradation potentials corresponding to display data, the driving circuit comprising:
a gradation setting circuit which is configured to set, on the basis of a reference potential, a plurality of respectively different gradation potentials at a plurality of nodes;
a plurality of amplifiers provided at the plurality of nodes, respectively;
potential selecting circuits provided respectively in correspondence with the output terminals, wherein each potential selection circuit is configured to select, during a data writing period and from among the plurality of gradation potentials, a target gradation potential corresponding to the display data, and to output the target gradation potential from a respective amplifier to the output terminal; and
a control circuit configured to,
(a) during a first time period of the data writing period, short-circuit a first node set to the target gradation potential and a second node adjacent to the first node, and to connect in parallel a second line between the second node and the output terminal to a first line between the first node and the output terminal, and,
(b) during a second time period which follows the first time period, to cancel the short circuit between the first node and the second node and the parallel connection of the second line to the first line.