Organic electroluminescent element

Details Organic electroluminescent element Organic electroluminescent element

2007-02-20

2007-02-20

Garrett, Dawn (Department: 1774)

Stock material or miscellaneous articles

Composite

Of inorganic material

C428S917000, C313S504000, C313S506000

Reexamination Certificate

active

10735700

ABSTRACT:
An organic electroluminescent element comprising: a pair of electrodes; and an organic layer provided between the pair of electrodes, the organic layer comprising a light-emitting layer and an electron transporting layer, wherein the light-emitting layer contains at least one phosphorescence-emitting material and at least one metal complex functioning as a host material, and the electron transporting layer contains a compound represented by the formula (E-I):in-line-formulae description="In-line Formulae" end="lead"?LA)m  (E-I)in-line-formulae description="In-line Formulae" end="tail"?wherein A represents a monovalent heterocyclic group wherein two or more aromatic hetero rings are condensed, the heterocyclic groups represented by A is the same or different from each other, m represents an integer of 2 or more, and L represents an m-valent linking group.

REFERENCES:
patent: 6821645 (2004-11-01), Igarashi et al.
patent: 6835469 (2004-12-01), Kwong et al.
patent: 2000302754 (2000-10-01), None
patent: 2001247859 (2001-09-01), None
patent: 2002-305083 (2002-10-01), None
patent: WO 02/079343 (2002-10-01), None

Affiliated with

Also associated with

Rating

Organic electroluminescent element does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Organic electroluminescent element, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Organic electroluminescent element will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3869851