Organic electroluminescent element

Details Organic electroluminescent element Organic electroluminescent element

2011-08-23

2011-08-23

Tarazano, D. Lawrence (Department: 1786)

Stock material or miscellaneous articles

Composite

Of inorganic material

C257S040000, C313S504000

Reexamination Certificate

active

08003227

ABSTRACT:
The present invention relates to the improvement of phosphorescent organic electroluminescent devices by using materials of the formula (1), preferably triazines, pyrimidines, pyridazines and pyrazines, in the hole-blocking layer.

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English Translation of JP 2003-045662.
English Translation of JP 2004-339070.

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