Organic EL device

Details Organic EL device Organic EL device

1997-04-09

1999-07-13

Nold, Charles

Stock material or miscellaneous articles

Composite

Of inorganic material

428917, 313504, 313505, 313506, H05B 3300

Patent

active

059224800

ABSTRACT:
In an organic EL device which includes an organic luminescent layer 18 composed of an organic compound and a hole transporting layer 16 between a cathode 10 and an anode 14, the organic EL device has between the cathode 10 and the organic luminescent layer 18 an electron transporting layer 20 composed of 2-(O-hydroxyphenyl)-benzoxazole or -benzothiazcle zinc complex. The organic EL device of the present invention can emit light of high intensity compared with conventional organic EL devices.

REFERENCES:
patent: 4539507 (1985-09-01), VanSlyke et al.
Chemical Abstracts, vol. 123, No. 10, Sep. 4, 1995, Columbus, Ohio. Sato, Yoshiharu: "Organic Electroluminescence Device" XP-002057020 and JP 07 142 169A (Mitsubishi Kagaku KK, Japan).
Chemical Abstracts, vol. 122, No. 12, Mar. 20, 1995, Columbus, Ohio. Sato, Yoshiharu: "Organic Field-effect Electroluminescent Device Having Oxazole Metal Complex Light-emitting Layer" XP-002057021 and JP 06 336 586 A (Mitsubishi Chem Ind. Japan).
Hamada, Yuji et al., "Blue Electroluminescence in Thin Films of Azomethin-Zinc Complexes"; Japanese Journal of Applied Physics 32 (1993) Apr. 1, No. 4A, Part 2, Tokyo, JP.
Appl. Phys. Lett. 51 (12), Sep. 21, 1987, "Organic Electroluminescent Diodes", by C. Tang et al. pp. 913-915.

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