Organic electroluminescent device

Details Organic electroluminescent device Organic electroluminescent device

1996-02-20

1999-01-12

Nold, Charles

Stock material or miscellaneous articles

Composite

Of inorganic material

428917, 313504, H05B 3300

Patent

active

058585630

ABSTRACT:
In an organic electroluminescent device according to the present invention, at least a luminescent layer using an organic material is provided between a hole injection electrode and an electron injection electrode, and a luminescent material composed of a condensed polycyclic aromatic compound having condensed rings each having a benzene ring as a basic unit the number of which is in the range of 2 to 10, along with an organic material having hole transporting characteristics, is contained as the organic material in the luminescent layer.

REFERENCES:
patent: 3654525 (1972-04-01), Maricle et al.
patent: 3816795 (1974-06-01), Maricle et al.
patent: 4769292 (1988-09-01), Tang et al.
patent: 5449564 (1995-09-01), Nishio et al.
patent: 5601903 (1997-02-01), Fujii et al.
Patent Abstracts of Japan, vol. 17, No. 327 (C-1073) re Japanese Publication No. 05-032966, published Feb. 9, 1993.
Patent Abstracts of Japan, vol. 18, No. 442 (E-1593) re Japanese Publication No. 06-136359 published May 20, 1994.

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