Invention Grant
- Patent Title: Electrostatic protection circuit and manufacturing method thereof, array substrate and display apparatus
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Application No.: US16638968Application Date: 2019-06-19
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Publication No.: US11296074B2Publication Date: 2022-04-05
- Inventor: Chunping Long
- Applicant: BOE Technology Group Co., Ltd.
- Applicant Address: CN Beijing
- Assignee: BOE Technology Group Co., Ltd.
- Current Assignee: BOE Technology Group Co., Ltd.
- Current Assignee Address: CN Beijing
- Agency: Fay Sharpe LLP
- Priority: CN201821189406.9 20180725
- International Application: PCT/CN2019/091913 WO 20190619
- International Announcement: WO2020/019908 WO 20200130
- Main IPC: H01L27/02
- IPC: H01L27/02 ; G09G3/20

Abstract:
An electrostatic protection circuit and a manufacturing method, an array substrate and a display apparatus in field of display technologies are provided. The electrostatic protection includes a first thin film transistor, a second thin film transistor, and an electrostatic protection line; a gate and a second electrode of the first thin film transistor are connected to a signal line, and a first electrode of the first thin film transistor is connected to the electrostatic protection line; a gate and a second electrode of the second thin film transistor are connected to the electrostatic protection line, and a first electrode of the second thin film transistor is connected to the signal line; each thin film transistor is an oxide thin film transistor, a length-width ratio of a channel of each thin film transistor is greater than or equal to a length-width ratio threshold, the length-width ratio threshold being 5.
Information query
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