Aging method for thin-film electroluminescent display element

Details Aging method for thin-film electroluminescent display element Aging method for thin-film electroluminescent display element

1981-06-18

1983-10-25

La Roche, Eugene R.

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

3151693, 445 6, H05B 3310

Patent

active

044121555

ABSTRACT:
An aging method for a thin-film electroluminescent display element comprises the steps of applying an AC voltage having at least one characteristic selected from the features that its frequency is approximately within 500 Hz through 10 KHz, its pulse width is approximately within 20 .mu.sec through 100 .mu.sec, and its voltage is of a magnitude, at which a virgin thin-film electroluminescent display element starts to emit electroluminescence, plus 30 V through 60 V.

REFERENCES:
patent: 3185893 (1965-05-01), Sperling
patent: 3708708 (1973-01-01), Soxman
patent: 4206460 (1980-06-01), Yasuda et al.
patent: 4253097 (1981-02-01), Hochstrate

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