Backlight module and feedback circuit structure thereof

Details Backlight module and feedback circuit structure thereof Backlight module and feedback circuit structure thereof

2007-02-06

2007-02-06

Tran, Thuy Vinh (Department: 2821)

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

C445S069000, C315S312000

Reexamination Certificate

active

10711860

ABSTRACT:
A backlight module and a feedback circuit structure thereof are provided. The backlight module comprises a plurality of tubes, a driving module, and the feedback circuit structure. The feedback circuit structure comprises a substrate, a plurality of tube contacts, a plurality of independent feedback contacts and at least a common feedback contact. The tube contacts, the independent feedback contacts and the common feedback contact are disposed on the substrate. Each independent feedback contact is electrically connected to one of the tube contacts. The common feedback contact is electrically connected to one of the independent feedback contacts. An independent feedback can proceed by transmitting feedback signals from each independent feedback contact to a corresponding lamp tube. A common feedback can proceed by first coupling the independent feedback contacts together and then transmitting feedback signals from the common feedback contact to a multiple of lamp tubes.

REFERENCES:
patent: 6459203 (2002-10-01), Kim
patent: 6857759 (2005-02-01), Lee et al.
patent: 2004/0124790 (2004-07-01), Han et al.
patent: 2005/0007333 (2005-01-01), Han et al.
patent: 2005/0078080 (2005-04-01), Kang et al.

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