Display panel driving circuit and display device
AssigneeHkc Corporation Limited
InventorXiaoyu Huang
Life of this patent
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Abstract
The present discloses provides a display panel driving circuit and a display device. The display panel driving circuit includes a memory; a control chip; and a timing controller including data transmission ends and a control end, the data transmission ends are connected with a control signal output end of a communication switching circuit and a data output end of the memory, and the control end is connected with a controlled end of the communication switching circuit. The timing controller is configured to receive a control signal output by the control chip when controlling the communication switching circuit to be turned on and to read software data of the memory when controlling the communication switching circuit to be turned off.
Claims20
A display panel driving circuit, wherein the display panel driving circuit comprises:
- a memory;
- a control chip, connected to a serial communication bus;
- a communication switching circuit, comprising a controlled end, a control signal input end and a control signal output end, the control signal input end being in communication with the control chip through the serial communication bus;
- and
- a timing controller, comprising data transmission ends and a control end, the data transmission ends being connected with the control signal output end of the communication switching circuit and a data output end of the memory, and the control end being connected with the controlled end of the communication switching circuit;
- wherein
- the timing controller is configured to receive a control signal output by the control chip when controlling the communication switching circuit to be turned on and to read software data of the memory when controlling the communication switching circuit to be turned off.
A display panel driving circuit, wherein the display panel driving circuit comprises:
- a memory;
- a plurality of control chips, connected to a serial communication bus;
- a communication switching circuit, comprising a controlled end, a control signal input end and a control signal output end, the control signal input end being in communication with the control chips through the serial communication bus;
- a unidirectional conduction element, an input end of the unidirectional conduction element being connected with the control signal output end of the communication switching circuit;
- and
- a timing controller, comprising data transmission ends and a control end, the data transmission ends being connected with an output end of the unidirectional conduction element and a data output end of the memory, and the control end being connected with the controlled end of the communication switching circuit;
- wherein
- the timing controller is configured to receive a control signal output by the control chip when controlling the communication switching circuit to be turned on and to read software data of the memory when controlling the communication switching circuit to be turned off.
A display device, comprising a display panel and a display panel driving circuit, wherein a gate driving circuit and a source driving circuit of the display panel are both electrically connected with the display panel;
- and the display panel driving circuit comprises:
- a memory;
- a control chip, connected to a serial communication bus;
- a communication switching circuit, comprising a controlled end, a control signal input end and a control signal output end, the control signal input end being in communication with the control chip through the serial communication bus;
- and
- a timing controller, comprising data transmission ends and a control end, the data transmission ends being connected with the control signal output end of the communication switching circuit and a data output end of the memory, and the control end being connected with the controlled end of the communication switching circuit;
- wherein
- the timing controller is configured to receive a control signal output by the control chip when controlling the communication switching circuit to be turned on and to read software data of the memory when controlling the communication switching circuit to be turned off.
Dependencies are inferred from the claim text.