Nagasaki University

Sumitomo Chemical Company, Limited

Hokkaido University

Noboru Kitamura

Keisuke Umakoshi

Shoji Ishizaka

Masayoshi Onishi

Yusuke Ishii

Eri Sakuda

Akitaka Ito

Kazutoyo Kimura

Chizu Sekine

Satoshi Mikami

Takeo Hirokawa

Kazuyoshi Kawanishi

Ami Higashitani

Keizo Saito

Seiji Akatsu

Disclosed is an device having high light-emitting efficiency. A metal complex represented by the following formula (1).  In the formula (1), n represents an integer of 1 to 3. Land Leach independently represent the moiety of a group bonded to an iridium atom, except for coordinating atoms. When n is 3, a metal complex represented by the following formula (1-3): 

Metal complex and device using the metal complex

Provided is an organic material which can be employed for manufacturing an organic electroluminescent device having a long luminance half-lifetime. The organic material is a composition containing: a borane compound represented by Formula (B1): wherein three Arrepresent an arylene group or a divalent aromatic heterocyclic group; and three Xrepresent an aromatic amino group, a monovalent aromatic heterocyclic group, an alkyl group, or a hydrogen atom; and a conjugated polymer compound represented by Formula (P1): wherein Arrepresents an arylene group, with the proviso that Aris different from Flu; Flurepresents a fluorenediyl group; Hetrepresents a divalent aromatic heterocyclic group; Amrepresents a divalent aromatic amine residue; n, n, nand nare numbers representing molar ratios of Ar, Flu, Hetand Am, respectively, and numbers satisfying 0.4&#x2266;n&#x2266;1, 0&#x2266;n&#x2266;0.6, 0&#x2266;n&#x2266;0.6 and 0&#x2266;n&#x2266;0.6 when defining n+n+n+n=1.

Composition containing borane compound and conjugated polymer compound, and element

The present invention provides a metal complex containing a cation represented by [(M)(M)(L)(L)][in the aforementioned formula, Mis Ptor Pd, Mis H, Au, Ag, Cu, Hg, Tlor Pb, and Land Lare ligands]. The metal complex of the present invention is useful as a light emitting material of an organic EL device.

Metal complex, light emitting element, and display device

Disclosed is a metal complex containing a composition represented by the following formula (a). [(Pd)(M)(X)(L)(L')] (In the formula (a), Mrepresents Ag, Auor Cu; X represents Cl, Br or I; L represents a group represented by formula (1); L&#x2032; represents a group represented by formula (2); two Ms may be the same as or different from each other; four Ls may be the same as or different from each other; and two L's may be the same as or different from each other.) (In the formulae (1) and (2), R, Rand Rindependently represent a hydrogen atom, a halogen atom, a hydroxy group, an optionally substituted alkyl group, an optionally substituted aryl group or an optionally substituted monovalent heterocyclic group.) 

Palladium metal complex

A novel luminescent metal complex comprises a composition of [(Pt)(Au)(M)(L)] where Mdenotes Agor Cu, and L denotes a structure represented by the formula (1) 

Metal complex, light-emitting device and display

There is provided a novel luminescent metal complex. A metal complex having a composition of [(Pt)(M)(X)(L)(LH)], where Mdenotes Ag, Auor Cu, X denotes Cl, Br or I, L denotes a structure represented by the formula (1), and LH denotes a structure represented by the formula (2). 

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Sapporo, Japan

Noboru Kitamura