Invention Grant
- Patent Title: Display panel and method for testing for occurrence of crack in display panel
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Application No.: US16484117Application Date: 2019-04-26
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Publication No.: US11187742B2Publication Date: 2021-11-30
- Inventor: Xin Zhang , Jingfeng Xue , Siwen Miao
- Applicant: Wuhan China Star Optoelectronics Technology Co., Ltd.
- Applicant Address: CN Wuhan
- Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.
- Current Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.
- Current Assignee Address: CN Wuhan
- Priority: CN201811457847.7 20181130
- International Application: PCT/CN2019/084501 WO 20190426
- International Announcement: WO2020/107796 WO 20200604
- Main IPC: G01R31/28
- IPC: G01R31/28 ; H01L23/498 ; H01L27/12

Abstract:
The present disclosure provides a display panel and a method for testing for occurrence of a crack in the display panel. The display panel includes a panel body, a ground line, a first ground connecting portion, a first testing portion, a second ground connecting portion, a second testing portion, a first switch and a second switch, the ground line surrounds the display region, the first ground connecting portion and the first testing portion are parallel connected to one end of the ground line, the second ground connecting portion and the second testing portion are parallel to another end of the ground line, the first switch is electrically connected between the first ground connecting portion and one end of the ground line, the second switch is electrically connected between the second ground connecting portion and another end of the ground line.
Public/Granted literature
- US20200300906A1 DISPLAY PANEL AND METHOD FOR TESTING FOR OCCURRENCE OF CRACK IN DISPLAY PANEL Public/Granted day:2020-09-24
Information query