Organic electroluminescence device with organic compound...

Details Organic electroluminescence device with organic compound... Organic electroluminescence device with organic compound...

2006-05-16

2006-05-16

Guharay, Karabi (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C428S690000

Reexamination Certificate

active

07045950

ABSTRACT:
The invention is an organic electroluminescent device that comprises organic compound layer(s) including at least one organic emitting layer sandwiched between a pair of electrodes, wherein at least one organic compound layer is formed from an organic compound material having an impurity concentration of lower than 1000 ppm. The device has the advantages of applicability to lightweight, thin and low-voltage driving displays, good luminescent capacity attenuating little even in long-term driving operation, and good durability.

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PHalide, Grant and Hackh's Chemical Dictionary, 5thEdition, McGraw Hill, Inc. (1987), p. 273.

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