Apparatus and method of driving and ink jet printer for...

Details Apparatus and method of driving and ink jet printer for... Apparatus and method of driving and ink jet printer for...

2008-01-15

2008-01-15

Nguyen, Lam Son (Department: 2853)

Incremental printing of symbolic information

Ink jet

Controller

C347S009000, C347S012000

Reexamination Certificate

active

07318634

ABSTRACT:
The present invention relates to an ink jet printer for display device fabrication, and more particularly, to an apparatus and a method of driving an ink jet printer for manufacturing a display device. According to a first embodiment of the present invention, an apparatus of driving an ink jet printer for manufacturing a display device includes a timing control unit outputting a timing control signal by receiving a prescribed signal (IN) inputted from outside, a head drive unit receiving the timing control signal outputted from the timing control unit and a prescribed drive voltage (Vh), the head drive unit outputting a drive pulse of a predetermined voltage level, and an array resistor outputting a head drive voltage to a plurality of heads by receiving the drive pulse outputted from the head drive unit, wherein the head drive voltage outputted from the array resistor maintains a predefined voltage value. Therefore, the sustainability and reliance of the head can be enhanced by preventing the ink blocking or missing channel in a manner of equalizing the frequency of the drive pulse applied in printing the ink to that of the printing pulse applied in the standby mode and consecutively applying the drive and priming pulses of the same frequency to equalize the ink circulation condition.

REFERENCES:
patent: 4521786 (1985-06-01), Bain
patent: 4982199 (1991-01-01), Dunn

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