| 摘要 |
PROBLEM TO BE SOLVED: To provide a liquid crystal display device which can easily specify which stage of source driver IC chips has a fault when a trouble occurs at any of source driver IC chips. SOLUTION: Sampling indication signal wiring 9 to 11 among four source driver IC chips 4 and a sampling end signal wiring 12 are connected by signal leading-out auxiliary wiring 14 to 16, and a connection switching auxiliary wiring 14. Pad electrodes 21 to 30 which are electrically disconnected are arranged for each auxiliary wiring, and a connection wiring 42 which can be cut is provided for the sampling end signal wiring 12; if a fault occurs, the connection wiring 42 is cut and the pad electrode provided in the signal leading- out auxiliary wiring connected to a source driver IC chip 4 to be confirmed is connected to easily confirm a sampling indication signal, so that the faulty source driver IC chip can be specified.
|
