Organic electroluminescent device, and azepine compound and...

Details Organic electroluminescent device, and azepine compound and... Organic electroluminescent device, and azepine compound and...

2005-09-12

2008-11-25

Wilson, James (Department: 1624)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C257S040000, C257S051000, C540S576000, C540S577000

Reexamination Certificate

active

07456567

ABSTRACT:
An organic electroluminescent device having a pair of electrodes, and at least one organic layer interposed between the pair of electrodes, with the organic layer containing at least one compound represented by formula (1):wherein L11, L13, and L14each independently represent an o-arylene group, an o-heteroarylene group, or a vinylene group; L12represents an o-arylene group, an o-heteroarylene group, a vinylene group, or an ethylene group; and L15represents a trivalent or higher aromatic ring or a trivalent or higher aromatic heterocyclic ring; anda compound represented by formula (2):wherein L21, L22, L23, L24, and L25each independently represent a group necessary for forming an aromatic ring or a group necessary for forming an aromatic heterocyclic ring; anda method for producing a compound represented by formula (2).

REFERENCES:
patent: 10-59943 (1998-03-01), None
patent: 2001-97953 (2001-04-01), None

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