Organic electroluminescent device

Details Organic electroluminescent device Organic electroluminescent device

1999-02-04

2000-11-07

Wong, Don

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

3151691, 315291, G05G 310

Patent

active

061441651

ABSTRACT:
Electroluminescent device having an active layer of an electroluminescent material situated between two patterns of electrodes at least one of which is transparent to light emitted by the active layer, one of the patterns comprising a material for injecting charge carriers for emission a control for supplying bias voltage across a part of the active layer or setting bias current through the part of the active layer, means for applying a voltage in the reverse direction across part of the active layer, for measuring current associated with voltage applied in the reverse direction and for varying bias voltage or current depending on the measured current value.

REFERENCES:
patent: 3673572 (1972-06-01), Sliva et al.
patent: 4035774 (1977-07-01), Chang
patent: 5523555 (1996-06-01), Friend et al.
patent: 5578814 (1996-11-01), Dadali et al.
patent: 5593788 (1997-01-01), Shi et al.
patent: 5719589 (1998-02-01), Norman et al.
patent: 5923309 (1999-07-01), Ishizuka et al.
patent: 5990629 (1999-11-01), Yamada et al.
patent: 6008588 (1999-12-01), Fujii

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