Organic electroluminescence device

Details Organic electroluminescence device Organic electroluminescence device

2005-08-09

2005-08-09

Williams, Joseph (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C428S690000

Reexamination Certificate

active

06927537

ABSTRACT:
An organic electroluminescence device comprising an anode layer, a cathode layer, a light-emitting layer present between the anode layer and the cathode layer, and a hole transporting thin film layer present between the light-emitting layer and the anode layer, wherein the hole transporting thin film layer in contact with the anode layer, contains at least 5 mass % of a polymer compound, and the value of the lowest unoccupied molecular orbit of the thin film layer is at least 2.1 eV.

REFERENCES:
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patent: 5601903 (1997-02-01), Fujii et al.
patent: 5652067 (1997-07-01), Ito et al.
patent: 5834894 (1998-11-01), Shirasaki et al.
patent: 6630253 (2003-10-01), Tanaka et al.
patent: 9-134786 (1997-05-01), None
patent: 2000-106277 (2000-04-01), None
patent: 2002-38140 (2002-02-01), None
J. Kido, et al., Applied physics letters, vol. 61, No. 7, pp. 761-763, “Organic Electroluminescent Devices Based on Molecularly Doped Polymers”, Jul.-Dec. 1992.

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