Control circuit for backlight module of multi-lamp display device

The present invention relates to a control circuit for backlight module of multi-lamp display device. The control circuit includes a control unit whose plural output ends are connected respectively with a lamp driving circuit solely connected with a lamp to control its on/off; the mentioned lamp and...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: CHEN, SI-SHENG, LENG, ZHONG-MING, LI, ZHI-LIANG, YE LIANG, XIAN-MIN
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The present invention relates to a control circuit for backlight module of multi-lamp display device. The control circuit includes a control unit whose plural output ends are connected respectively with a lamp driving circuit solely connected with a lamp to control its on/off; the mentioned lamp and the lamp driving circuit are monitored and controlled by an error detection unit; when any of the mentioned lamps is faulty, the error detection unit can detect and output a signal to the control unit, thereby enabling the control unit to shut off the driving circuit of the faulty lamp and still maintaining the operation of other normal lamps at the same time.