ORGANIC ELECTROLUMINESCENT DEVICE MATERIAL AND ORGANIC ELECTROLUMINESCENT DEVICE

Title:

ORGANIC ELECTROLUMINESCENT DEVICE MATERIAL AND ORGANIC ELECTROLUMINESCENT DEVICE

Document Type and Number:

WIPO Patent Application WO/2008/029670

Kind Code:

A1

Abstract:

Disclosed is an organic electroluminescent device (organic EL device) utilizing phosphorescence, wherein luminous efficiency is improved, while sufficiently securing driving stability. Specifically disclosed is an organic EL device wherein an anode, a hole transporting layer, an organic layer containing a light-emitting layer and an electron transporting layer, and a cathode are arranged on a substrate. In this organic EL device, the hole transporting layer is arranged between the light-emitting layer and the anode, while the electron transporting layer is arranged between the light-emitting layer and the cathode. The light-emitting layer contains an aluminum heterocomplex or dimer complex of deuterated 2-methyl-8-oxyquinoline (Me8HQ-D) obtained by deuterating hydrogen atoms in the methyl group of an optionally substituted 2-methyl-8-oxyquinoline (Me8HQ) as a host material, while containing an organic metal complex including at least one metal selected from group 7-11 elements of the periodic table as a guest material.

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Inventors:

MIYAZAKI HIROSHI (JP)
KATAYAMA ATSUHIKO (JP)
MATSUO SHINJI (JP)
NOGUCHI KATSUHIDE (JP)

Application Number:

PCT/JP2007/066639

Publication Date:

March 13, 2008

Filing Date:

August 28, 2007

Export Citation:

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Assignee:

NIPPON STEEL CHEMICAL CO (JP)
MIYAZAKI HIROSHI (JP)
KATAYAMA ATSUHIKO (JP)
MATSUO SHINJI (JP)
NOGUCHI KATSUHIDE (JP)

International Classes:

C09K11/06; H01L51/50; C07D215/30; C07F5/06

Domestic Patent References:

WO2005014551A1	2005-02-17
WO2002047440A1	2002-06-13
WO2001041512A1	2001-06-07

Foreign References:

JP2004515506A	2004-05-27
JPH06172751A	1994-06-21
JP2001284056A	2001-10-12
JPH05198377A	1993-08-06
JP2003142264A	2003-05-16
JP2001313178A	2001-11-09
JP2002305083A	2002-10-18
JPH05214332A	1993-08-24

Other References:

APPL. PHYS. LETT., vol. 77, 2000, pages 904
Y. KUSHI, J. AMER. CHEM. SOC, vol. 92, 1970, pages 91
INORG. CHEM., vol. 40, pages 1704 - 1711
See also references of EP 2075310A4

Attorney, Agent or Firm:

NARUSE, Katsuo et al. (TKK Nishishinbashi Bldg.11-5, Nishi-shinbashi 2-chome,Minato-ku, Tokyo 03, JP)

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