Device and method for driving EL device

Details Device and method for driving EL device Device and method for driving EL device

2005-03-15

2005-03-15

Shankar, Vijay (Department: 2673)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

Reexamination Certificate

active

06867755

ABSTRACT:
The EL device driving device comprising a plurality of EL devices having two electrodes, a first EL driving IC having a plurality of output terminals connected to one electrodes of the plurality of EL devices and an input terminal, a second EL driving IC having a plurality of output terminals connected to the other electrodes of the plurality of EL devices and an input terminal, a first AC power supply for supplying an AC voltage of sinusoidal waveform, with one electrode being connected to the input terminal of the first EL driving IC, and a second AC power supply for supplying an AC voltage of sinusoidal waveform having the same waveform as the AC voltage supplied from the first AC supply, and shifted in phase 180 degrees, with one electrode being connected to the input terminal of the second EL driving IC.

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