Organic electroluminescent devices

Details Organic electroluminescent devices Organic electroluminescent devices

1998-01-22

2000-01-11

Nold, Charles

Stock material or miscellaneous articles

Composite

Of inorganic material

428917, 313504, 345 36, 345 45, 345 76, H05B 3300

Patent

active

060133848

ABSTRACT:
An organic electroluminescent (EL) device includes at least one luminescent layer having an organic compound doped with a metal capable of acting as a donor dopant, in adjacent to a cathode electrode. The EL device ensures a diminished energy barrier in an electron injection from the cathode electrode into the luminescent layer, i.e., metal-doped organic compound layer, and thus a lowered driving voltage. The lowered driving voltage can be obtained regardless of the work function of the cathode material.

REFERENCES:
Database WPI, Section Ch, Week 9339, Derwent Publications Ltd., London, GB; Class E13, AN 93-309361; XP002087791 and JP 05 222361 A (Mitsubishi Kasei Corp) Aug. 31, 1993--abstract.
Database WPI, Section Ch, Week 9250, Derwent Publications Ltd., London, GB; Class E13, AN 92-411660: XP002087792 and JP 04 308689 A (Mitsubishi Kasei Corp) Oct. 30, 1992--abstract.
Organic EL Devices Doped With a Quinacridone Derivative Showing Higher Brtness and Luminescent Efficiency.
High Bright Organic Thin Film EL Devices Using a Li Ally Cathode.
A Calcium Oxide Can Be Reduced by Aluminum.
Metal Handbook p. 88--Minimumtranlation.
Metal Handbood p. 87--3 Sentanietranslation.
Polymer Light-Emitting Electrochemical Cells.
Physical Review Letters (vol. 14, No. 7) pp. 228-231 only.
IEEE Transactions on Electron Diodes (vol. 40, No. 7).
Organic Electroluminescent Diodes.
Society for Information Display International Symposium Digest of Technical Papers (vol. XXVIII).
Organic EL Cells Using Alkaline Metal Compounds as Electron Injection Materials Electroluminescence from Polyvinylcarbazole.

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