Detection method and detection device thereof

• Main Authors: WANG ZHIQIANG, YUAN PEIPEI, DOU YANQIU, HOU LIN, ZHAO RUILONG, FENG XIAOQING, SUN LE, YADONG QIU, TANG WULIJI BAIER
• Format: Patent
• Language: Chinese; English
• Published: 14.07.2023
• Subjects: ADVERTISING; ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION; CRYPTOGRAPHY; DISPLAY; EDUCATION; PHYSICS; SEALS

The detection method and the detection device provided by the embodiment of the invention are used for detecting whether a display panel has a short circuit problem, and the display panel comprises a plurality of grid lines and a plurality of transmission lines which are arranged in a crossed manner; the detection method comprises the following steps: controlling a plurality of grid lines to load a first level signal, and controlling a plurality of transmission lines to load a second level signal, so that the display panel displays a black picture; the difference value between the voltage value of the first level signal and the voltage value of the second level signal is greater than 0V; judging whether a bright area exists in a black picture displayed by the display panel or not; if yes, judging that the display panel has a short circuit problem; if not, it is judged that the display panel does not have the short circuit problem. 本公开实施例提供的检测方法及其检测装置，用于检测显示面板是否存在短路问题，显示面板包括交叉设置的多条栅线和多条传输线；检测方法包括：控制多条栅线加载第一电平信