Organic electroluminescent device

Details Organic electroluminescent device Organic electroluminescent device

2003-12-26

2010-06-22

Garrett, Dawn (Department: 1794)

Stock material or miscellaneous articles

Composite

Of inorganic material

C428S917000, C313S504000, C313S506000

Reexamination Certificate

active

07740956

ABSTRACT:
An organic electroluminescent device comprising: a pair of electrodes; and at least one organic layer between the pair of electrodes, the at least one organic layer between the pair of electrodes, the at least one organic layer including a luminescent layer, wherein the luminescent layer contains at least one electron injection/transport compound, at least one hole injection/transport compound, and at least one green or blue phosphorescent compound; and the electron injection/transport compound and the hole injection/transport compound each has a minimum triplet exciton energy value which is equal to or more than that of the green or blue phosphorescent compound.

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European Office Action, Application No. 03 789 640.4-2111, Sep. 29, 2009, pp. 1-4.

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