Organic electroluminescent device based on pyrene derivatives

Details Organic electroluminescent device based on pyrene derivatives Organic electroluminescent device based on pyrene derivatives

2005-02-08

2005-02-08

Garrett, Dawn (Department: 1774)

Stock material or miscellaneous articles

Composite

Of inorganic material

C428S917000, C252S301160, C252S301350, C313S504000, C313S506000, C257S040000, C257S103000

Reexamination Certificate

active

06852429

ABSTRACT:
A pyrene based compound and its use in an organic light emitting device (OLED) according to the following formula:In the above formula, Z1represents a hydrogen atom, deuterium atom, oxygen atom, silicon atom, selenium atom, substituted or unsubstituted aryl group, substituted or unsubstituted heteroaryl group, substituted or unsubstituted aryl amine or a combination thereof, and Z2represents a hydrogen or deuterium atom. One of Y1and Y2represents a hydrogen atom, deuterium atom, oxygen atom, silicon atom, selenium atom, a substituted or unsubstituted aryl group, substituted or unsubstituted heteroaryl group, substituted or unsubstituted aryl amine or a combination thereof, and the other of Y1and Y2represents a hydrogen or deuterium atom. X1through X6independently represent hydrogen atoms, deuterium atoms, alkyl groups or aryl groups, and at least one of X1through X6represents a bulky alkyl group or bulky aryl group. Also, at least one of X1through X6, Y1, Y2, Z1, and Z2represents a deuterium atom. The pyrene based compounds of this invention are useful in emissive layers, hole transport layers, or electron transport layers of an organic light emitting device (OLED). Within these layers, the pyrene based compound can serve directly to constitute the layers or as a host and/or dopant.

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