Electric lamp and discharge devices: systems – Pulsating or a.c. supply – Transformer in the supply circuit
Reexamination Certificate
2011-08-02
2011-08-02
Vo, Tuyet Thi (Department: 2821)
Electric lamp and discharge devices: systems
Pulsating or a.c. supply
Transformer in the supply circuit
C315S274000, C315S291000, C315S307000, C315S312000
Reexamination Certificate
active
07990071
ABSTRACT:
A lamp drive circuit used for driving a number of lamps is provided. The lamps are used in a backlight module. The backlight module is used for providing a light source when a liquid crystal display displays. The lamps are respectively electrically connected to a coil. The coils have the same number of turns and have the same magnetic circuit, so that the currents flowing through the lamps are balanced.
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Chen Hsing-Ju
Sun Chia-Hung
Wey Chin-Der
Yeh Yi-Chun
AU Optronics Corp.
Rabin & Berdo P.C.
Vo Tuyet Thi
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