Scan shift circuit, touch shift circuit, driving method and related apparatus
AssigneesBoe Technology Group Co., Ltd., Ordos Yuansheng Optoelectronics Co., Ltd.
InventorFei Huang
Life of this patent
Estimating the term…
Abstract
A scan shift circuit and its driving method, a touch shift circuit and its driving method, a gate driving circuit, a touch driving circuit and a display apparatus are disclosed. The scan shift circuit includes an input circuit, a reset circuit, a latch control circuit and a scan signal output circuit. The touch shift circuit includes an input circuit, a reset circuit, a latch control circuit, a cascade signal output circuit, a touch driving circuit and a touch signal output circuit.
Claims20
A scan shift circuit, comprising an input circuit, a reset circuit, a latch control circuit, and a scan signal output circuit;
- wherein the input circuit is connected to an input signal terminal, a first reference signal terminal and a first node, respectively, and configured to provide a signal at the first reference signal terminal to the first node under control of the input signal terminal;
- the reset circuit is connected to a reset signal terminal, the input signal terminal and a second node, respectively, and configured to provide a signal at the input signal terminal to the second node under control of the reset signal terminal;
- the latch control circuit is connected to the first node and the second node, respectively, and configured to control a potential of the first node to be opposite to a potential of the second node;
- and
- the scan signal output circuit is connected with a clock signal terminal, a first enable signal terminal, the first reference signal terminal, the first node, the second node and a scan signal output terminal of the scan shift circuit, respectively, and configured to supply a signal at the clock signal terminal to the scan signal output terminal under joint control of a signal at the first node and a signal at the second node, and to supply a signal at the first reference signal terminal to the scan signal output terminal under joint control of the first enable signal terminal and a signal at the first node.
A touch shift circuit, comprising an input circuit, a reset circuit, a latch control circuit, a cascade signal output circuit, a touch driving circuit and a touch signal output circuit;
- wherein the input circuit is connected to an input signal terminal, a first reference signal terminal and a first node, respectively, and configured to supply a signal at the first reference signal terminal to the first node under control of the input signal terminal;
- the reset circuit is connected with a reset signal terminal, the input signal terminal and a second node, respectively, and configured to provide a signal at the input signal terminal to the second node under control of the reset signal terminal;
- the latch control circuit is connected with the first node and the second node, respectively, and configured to control a potential of the first node be opposite to a potential of the second node;
- the cascade signal output circuit is connected with a clock signal terminal, a first enable signal terminal, the first reference signal terminal, the first node, the second node and a cascade signal output terminal of the touch shift circuit, respectively, and configured to supply a signal at the clock signal terminal to the cascade signal output terminal under joint control of a signal at the first node and a signal at the second node, and to supply a signal at the first reference signal terminal to the cascade signal output terminal under joint control of a signal at the first enable signal terminal and a signal at the first node;
- the touch driving circuit is connected to a touch enable signal terminal, the first reference signal terminal, the cascade signal output terminal and a third node, respectively, and configured to provide a signal at the touch enable signal terminal or a signal at the first reference signal terminal to the third node under control of the cascade signal output terminal;
- the touch signal output circuit is connected to a touch electrode signal terminal, a common electrode signal terminal, the third node and a touch signal output terminal of the touch shift circuit, respectively, and configured to provide a signal at the touch electrode signal terminal or a signal at the common electrode signal terminal to the touch signal output terminal under control of a signal at the third node.
Dependencies are inferred from the claim text.