Low power dissipation vacuum fluorescent display

Details Low power dissipation vacuum fluorescent display Low power dissipation vacuum fluorescent display

1998-09-21

2000-04-18

Wong, Don

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

3151691, 315291, G09G 310

Patent

active

060519320

ABSTRACT:
A vacuum fluorescent display comprises a plurality of filaments or filament sets, a controller, and a display portion. The controller controls one of the filaments or filament sets to be alternately connected to a power supply so as to emanate electrons as an electron source. Thus, a predetermined pattern can be displayed on the display portion in response to the electrons. The fact that the filaments or filament sets are alternately powered to induce hot-electron emanation can reduce the overall power consumption for the vacuum fluorescent display.

REFERENCES:
patent: 5949194 (1999-09-01), Kawakami et al.
patent: 5952788 (1999-09-01), Graham et al.

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