VACUUM FLUORESCENT DISPLAY AND FILAMENT DRIVING METHOD THEREOF
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United States of America Patent
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Issued Date -
Jul 3, 2008
app pub date -
Aug 21, 2007
filing date -
Dec 27, 2006
priority date (Note) -
Abandoned
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Abstract
A vacuum fluorescent display (VFD) and a filament-driving method are provided. Two sub-dc voltages having peaks respectively interlaced with each other on the waveform thereof are used to drive the filament. A driving circuit is integrated in the integrated circuit of a VFD driver, a VFD controller or a VFD MCU. The VFD is able to operate without utilizing a transformer.
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