Organic electroluminescence device

Details Organic electroluminescence device Organic electroluminescence device

2005-03-21

2008-10-28

Garrett, Dawn (Department: 1794)

Stock material or miscellaneous articles

Composite

Of inorganic material

C428S917000, C313S504000, C257S040000, C257SE51051

Reexamination Certificate

active

07442449

ABSTRACT:
The present invention provides an organic electroluminescence device, by which high brightness is provided in a manner of forming a hole injection or transport layer using a material that lowers an energy barrier. The present invention includes an organic emitting layer between a cathode and an anode and a hole injection and/or transport layer between the anode and the organic emitting layer, wherein at least one of the hole injection and transport layers has a configuration of Formula 1,

REFERENCES:
patent: 6660410 (2003-12-01), Hosokawa
patent: 2001/0046611 (2001-11-01), Kido et al.
patent: 1317005 (2003-06-01), None
patent: 03-094259 (1991-04-01), None
patent: WO02/47457 (2002-06-01), None
patent: WO03/105538 (2003-12-01), None
patent: WO2004/016711 (2004-02-01), None
JP 2003-229279, Suzuki et al., machine assisted translation.
EP search report dated Jun. 30, 2005.

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