Driving apparatus of electroluminescent display device and...

Details Driving apparatus of electroluminescent display device and... Driving apparatus of electroluminescent display device and...

2006-10-10

2006-10-10

Tran, Henry N. (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S209000, C315S169300

Reexamination Certificate

active

07119770

ABSTRACT:
A driving apparatus of an electroluminescent display device includes: a scan driving unit for receiving a voltage from a single voltage source and sequentially supplying a scan pulse of which polarity is reversed by the frame unit to scan lines; and a data driving unit for receiving the voltage and sequentially supplying a data pulse with an opposite polarity to the polarity of the scan pulse to data lines. An optimum voltage to a pixel cell can be supplied by completely removing electric charges charged in the pixel cell by reversing a positive pulse or a negative pulse generated by a single power source by the frame unit and supplying it to each data line and scan line.

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