| 摘要 |
PROBLEM TO BE SOLVED: To provide a signal processor, a liquid crystal display, and a test system for the liquid crystal display. SOLUTION: This signal processor/liquid crystal display/test system includes an external signal providing part for providing an external clock signal and an external drive voltage, and for outputting an inspection signal to an outside, a memory part storing a reference data corresponding to the external clock signal, and an inspection part for comparing the external clock signal with the reference data for feeding back, according to a result therein, the inspection signal that indicates whether the external clock signal is input without errors or not, to the external signal providing part. The propriety of normally driving the liquid crystal display is notified thereby to the outside, and an external electric power source, provided in the liquid crystal display is blocked to prevent an overcurrent from being generated in the inside of the liquid crystal display to protect the liquid crystal display, when the liquid crystal display is not driven normally in a usual time or in a test process. COPYRIGHT: (C)2007,JPO&INPIT
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