Stock material or miscellaneous articles – Composite – Of inorganic material
Reexamination Certificate
2008-05-20
2008-05-20
Cano, Milton I. (Department: 1794)
Stock material or miscellaneous articles
Composite
Of inorganic material
C428S917000, C313S504000, C313S506000, C257S040000, C257SE51051, C564S434000
Reexamination Certificate
active
07374830
ABSTRACT:
An organic EL device includes a pair of electrodes, a light emitter layer obtained by mixing a hole transporting material made of a tertiary amine compound, an electron transporting material and a light emitting additive. The tertiary amine compound constituting the hole transporting material has only one oxidation potential as measured by the cyclic voltammetry. A difference in ionization potential between the hole transporting material and electron transporting material of the light emitter layer is 0.35 eV or greater.
REFERENCES:
patent: 5792557 (1998-08-01), Nakaya et al.
patent: 6285039 (2001-09-01), Kobori et al.
patent: 6700058 (2004-03-01), Nelles et al.
patent: 7196224 (2007-03-01), Akashi et al.
patent: 2005/0064237 (2005-03-01), Kato et al.
patent: 2005/0221121 (2005-10-01), Ishihara et al.
patent: 19704031 (1998-08-01), None
patent: A-H08-48974 (1996-02-01), None
patent: A-2000-156290 (2000-06-01), None
patent: WO 03/080558 (2003-02-01), None
Inada, Bando Technical Report No. Feb. 1998, pp. 9-18. “Creation of Photo- and Electro-active Amorphous Molecular Materials”.
Journal of Physics: Condensed Matter, (2006), vol. 18, pp. S2139-S2147.
Kato Tetsuya
Kojima Kazushige
Cano Milton I.
Crouse Brett A.
Denso Corporation
Posz Law Group , PLC
LandOfFree
Organic electroluminescent device 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 device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Organic electroluminescent device will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2777875