Gate driver on array circuit and display device
AssigneeWuhan China Star Optoelectronics Technology Co., Ltd.
InventorQiang GONG
Life of this patent
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Abstract
A gate driver on array (GOA) circuit and a display device are provided. The GOA circuit is formed on an array substrate, and has a plurality of GOA units. Each of the GOA units has a drive module, a pull-down module, a pull-down output module, and a pull-up output module, which has a forward and reverse scanning function and avoids providing a forward and reverse scanning control unit and receiving a signal of the forward and reverse scanning control unit by connecting a circuit input of a pull-down output module and a drive module.
Claims15
A gate driver on array (GOA) circuit, including a plurality of GOA units, each of the GOA units provided with an (n−1)th level input end, an (n+1)th level input end, a first clock signal input end, a second clock signal input end, a high voltage-level input end, a low voltage-level input end, and a output end, and comprising:
- a drive module electrically connected to the (n−1)th level input end and the (n+1)th level input end;
- a pull-down module electrically connected to the drive module, the first clock signal input end, and the high voltage-level input end;
- a pull-down output module electrically connected to the first clock signal input end, the high voltage-level input end, the low voltage-level input end, and the output end, wherein the pull-down output module comprises a circuit input end electrically connected to the drive module and the pull-down module, and a pull-down node electrically connected to the pull-down module;
- and
- a pull-up output module electrically connected to the second clock signal input end and the output end, wherein the pull-up output module comprises a pull-up node electrically connected to the pull-down module;
- wherein the GOA circuit drives a pixel array by four of the GOA units, and the drive module comprises a pre-stage input diode electrically connected to the (n−1)th level input end and the circuit input end, and a post-stage input diode electrically connected to the (n+1)th level input end and the circuit input end.
A gate driver on array (GOA) circuit, including a plurality of GOA units, each of the GOA units being provided with an (n−1)th level input end, an (n+1)th level input end, a first clock signal input end, a second clock signal input end, a high voltage-level input end, a low voltage-level input end, and a output end, and comprising:
- a drive module electrically connected to the (n−1)th level input end and the (n+1)th level input end;
- a pull-down module electrically connected to the drive module, the first clock signal input end, and the high voltage-level input end;
- a pull-down output module electrically connected to the first clock signal input end, the high voltage-level input end, the low voltage-level input end, and the output end, wherein the pull-down output module comprises a circuit input end electrically connected to the drive module and the pull-down module, and a pull-down node electrically connected to the pull-down module;
- and
- a pull-up output module electrically connected to the second clock signal input end and the output end, wherein the pull-up output module comprises a pull-up node electrically connected to the pull-down module.
Dependencies are inferred from the claim text.