Methods and protection schemes for driving discharge lamps...

Details Methods and protection schemes for driving discharge lamps... Methods and protection schemes for driving discharge lamps...

2007-08-21

2009-08-25

Owens, Douglas W (Department: 2821)

Electric lamp and discharge devices: systems

Current and/or voltage regulation

C315S276000

Reexamination Certificate

active

07579787

ABSTRACT:
The present disclosure introduces a simple method and apparatus for converting DC power to AC power for driving discharge lamps such as a cold cathode fluorescent lamp (CCFL), an external electrode fluorescent lamp (EEFL), or a flat fluorescent lamp (FFL). Among other advantages, the invention allows the proper protection under short circuit conditions for applications where the normal lamp current is greater than safe current limit.

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