Transformer for driving multi-lamp and backlight module thereof

Electric lamp and discharge devices: systems – Pulsating or a.c. supply – Transformer in the supply circuit

Reexamination Certificate

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Details

C315S282000, C315S278000, C315S324000, C336S213000, C336S221000, C336S222000, C029S606000, C029S607000, C345S102000

Reexamination Certificate

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07449843

ABSTRACT:
A transformer for driving multi-lamps and a backlight module thereof are provided. The transformer comprises a primary winding, a secondary winding, a core, a first bobbin and a second bobbin. The primary winding comprises a primary coil. The secondary winding comprises a secondary coil and a plurality of auxiliary coils whose turns are substantially equal. The core has a first side and a second side. The first bobbin and the second bobbin are respectively disposed on the first side and the second side for winding around the primary coil, the secondary coil and the auxiliary coils.

REFERENCES:
patent: 2802981 (1957-08-01), Blankenbuehler et al.
patent: 5905646 (1999-05-01), Crewson et al.
patent: 6256865 (2001-07-01), Larranaga et al.
patent: 6348848 (2002-02-01), Herbert
patent: 7282868 (2007-10-01), Ushijima et al.
patent: 2004/0155596 (2004-08-01), Ushijima et al.
patent: 2008/0143276 (2008-06-01), Hsueh et al.

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