Electroluminescent device

Details Electroluminescent device Electroluminescent device

1989-09-05

1992-06-16

DeMeo, Palmer C.

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

H05B 3314

Patent

active

051227118

ABSTRACT:
An electroluminescent device comprising a fluophor luminescent layer and a hole transport layer respectively composed of organic compounds and laminated to each other disposed between a cathode and an anode, said fluophor luminescent layer comprising a pair of fluophor thin films laminated in each other, the material of the cathode-side film having a larger electron transport capacity than the material of the anode-side film.

REFERENCES:
patent: 4356429 (1982-10-01), Tang
patent: 4720432 (1988-01-01), Van Slyke et al.
patent: 4769292 (1988-09-01), Tang et al.
patent: 4775820 (1988-10-01), Eguchi et al.
Tang, C. W. et al., "Electroluminescence of Doped Organic Thim Film", J. Appl. Phys. 65(9), May 1, 1989, pp. 3610-3616.

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