| 摘要 |
PURPOSE: A display panel is provided to prevent a check line from being corroded by heat or exposure after electrically separating lines after array test in order to prevent the damage of a display panel. CONSTITUTION: A display panel includes an insulating substrate having a display area(300) and a peripheral area. A line is formed in the display area. A first check line(250) and a second check line are formed into the line in a vertical direction. A diode(270) is formed between the first check line and the second check line. The line is electrically connected to the first check line and the second check line.
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