Battery Voltage High Luminance Color Vacuum Fluorescent Display 950187

Vacuum Fluorescent Displays (VFDs) which can be directly driven at battery voltage have proven their suitability in automotive applications. In addition to green emitting phosphor, other phosphors such as yellowish orange, greenish yellow and most recently reddish orange have been developed to operate at vehicle battery voltage. These phosphors are now readable under direct sunlight conditions. This paper presents the recent technical improvements that were accomplished to add reddish orange to the list of battery voltage phosphors.


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