LCD detecting device and method
The invention discloses an LCD detecting device and method. The detecting device includes a row signal comparator and a column signal comparator, wherein one input end of the row signal comparator is connected with the row signal output end of an LCD driving board, and one input end of the column si...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention discloses an LCD detecting device and method. The detecting device includes a row signal comparator and a column signal comparator, wherein one input end of the row signal comparator is connected with the row signal output end of an LCD driving board, and one input end of the column signal comparator is connected with the column signal output end of the LCD driving board; the output ends of the row signal comparator and the column signal comparator are both connected with a processor, the other input end of the row signal comparator is connected with a row signal voltage selection module, the other input end of the column signal comparator is connected with a column signal voltage selection module, the row signal voltage selection module and the column signal voltage selection module are both connected with the power supply output end of the LCD driving board, and the output ends of the row signal voltage selection module and the column signal voltage selection module are both connected with the |
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