Light-emitting substrate, test method thereof, display panel, manufacturing method, and display device

CN117316074BActive Publication Date: 2026-08-28CHENGDU VISTAR OPTEOLECTRONICS CO LTD
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Patent Information

Application Number
CN202210725686.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-06-23
Publication Date
2026-08-28
Estimated Expiration
2042-06-23

AI Technical Summary

Technical Problem

为实现无缝拼接屏或全面屏,现有的驱动背板上的信号线的断路检测方法一般采用非接触式检查,无法直接测试位于显示面板的驱动背板的正面的信号线的通断状态,影响检测准确度

Benefits of technology

[0046]本发明实施例的技术方案通过设置至少一条位于基板的正面的第一信号线,第一信号线从显示区延伸至切割区。通过设置至少一个位于基板的正面的第一走线电极,且第一走线电极位于显示区远离切割区的一侧。并通过设置至少一个位于切割区的第一测试电极,第一信号线连接于第一测试电极和第一走线电极之间。通过在第一走线电极传输测试信号,并在第一测试电极检测经过第一信号线传输的测试信号,确定第一信号线的通断状态,改善了对显示面板的正面信号线的通断状态的检测准确度。

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Abstract

The application discloses a light-emitting substrate and a testing method thereof, a display panel, a manufacturing method, and a display device. The light-emitting substrate comprises a panel area and a cutting area, the cutting area is arranged around at least part of the panel area; the light-emitting substrate further comprises a substrate, a display area of the panel area is arranged on the front surface of the substrate; at least one first signal line, the first signal line is arranged on the front surface of the substrate, and the first signal line extends from the display area to the cutting area; at least one first wiring electrode, the first wiring electrode is arranged on the front surface of the substrate and is located on one side of the display area away from the cutting area; the first wiring electrode is connected with the first signal line; at least one first test electrode, the first test electrode is connected with the first signal line; the first test electrode is used for cooperating with the first wiring electrode to test the on-off state of the first signal line, and the first test electrode is located in the cutting area. The technical scheme provided in the embodiment of the application realizes accurate detection of the on-off state of the front surface signal line of the display panel.
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Citation Information

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