Organic electroluminescent element

Details Organic electroluminescent element Organic electroluminescent element

2011-07-19

2011-07-19

Tarazano, D. Lawrence (Department: 1786)

Stock material or miscellaneous articles

Composite

Of inorganic material

C428S917000, C313S504000

Reexamination Certificate

active

07981522

ABSTRACT:
The invention relates to the improvement of phosphorescent organic electroluminescent devices, by the use of materials of formulas (1) to (4), as indicated in diagram 1, in the hole blocking layer.

REFERENCES:
patent: 5840217 (1998-11-01), Lupo et al.
patent: 7683229 (2010-03-01), Stoessel et al.
patent: 2002/0015859 (2002-02-01), Watanabe et al.
patent: 2002/0034656 (2002-03-01), Thompson et al.
patent: 2002/0066904 (2002-06-01), Yuan et al.
patent: 2002/0125818 (2002-09-01), Sato et al.
patent: 2002/0182441 (2002-12-01), Lamansky et al.
patent: 2003/0022019 (2003-01-01), Seo et al.
patent: 2003/0168970 (2003-09-01), Tominaga et al.
patent: 2004/0077862 (2004-04-01), Stossel et al.
patent: 2005/0234240 (2005-10-01), Stossel et al.
patent: 2006/0208221 (2006-09-01), Gerhard et al.
patent: 2006/0220004 (2006-10-01), Stossel et al.
patent: 103 30 761 (2005-02-01), None
patent: 0 676 461 (1995-10-01), None
patent: 1 191 612 (2002-03-01), None
patent: 1 191 613 (2002-03-01), None
patent: 1 191 614 (2002-03-01), None
patent: 1 202 358 (2002-05-01), None
patent: 1 353 388 (2003-10-01), None
patent: 10-231479 (1998-09-01), None
patent: 2002-260863 (2002-09-01), None
patent: 2003-259818 (2003-09-01), None
patent: 2003-317965 (2003-11-01), None
patent: 2004-220931 (2004-08-01), None
patent: WO-98/01011 (1998-01-01), None
patent: WO-99/40051 (1999-08-01), None
patent: WO-00/57676 (2000-09-01), None
patent: WO-00/70655 (2000-11-01), None
patent: WO-01/41512 (2001-06-01), None
patent: WO-02/02714 (2002-01-01), None
patent: WO-02/15645 (2002-02-01), None
patent: WO-02/43449 (2002-05-01), None
patent: WO-02/060910 (2002-08-01), None
patent: WO-02/074015 (2002-09-01), None
patent: WO-03/040257 (2003-05-01), None
patent: WO-03/084972 (2003-10-01), None
patent: WO-2004/026886 (2004-04-01), None
patent: WO-2004/081017 (2004-09-01), None
patent: WO-2004/093207 (2004-10-01), None
patent: WO 2010098386 (2010-09-01), None
Burgi et. al., From Crystal Statics to Chemical . . . 1983, J. Am. Chem. Soc. vol. 16,, pp. 153-161.
Salbeck et al., “Low molecular organic glasses for blue electroluminescence,”Synthetic Metals, 1997, pp. 209-215, vol. 91.
Tokito et al., “Influence of hole transporting material on device performance in organic light-emitting diode,”Thin Solid Films, 2000, pp. 290-293, vol. 363.
Spreitzer et al., “White and Blue Temperature Stabile and Efficient OLEDs using amorphous Spiro Transport and Spiro Emitting Compounds,”Proceedings of SPIE, 2001, pp. 125-133, vol. 4105.
Japanese Office Action dated Jan. 25, 2011 in Japanese Pat. Appln. No. 2006-541841.

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