| 摘要 |
A liquid crystal display device comprises: a display circuit including data lines and scanning lines arranged in a two-dimensional matrix, and switching elements connected between the data lines and the scanning lines; a first inspection circuit including an inspection voltage input and/or output terminal for inputting and/or outputting an inspection voltage to/from one end of the data line via a first analog switch; and a second inspection circuit including an inspection voltage input and/or output terminal for inputting and/or outputting an inspection voltage to/from the other end of the data line. The display circuit, the first inspection circuit, and the second inspection circuit are provided on one substrate, and the first inspection circuit is separable from the display circuit.
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