Abstract: A novel metal complex compound for an organic EL device is provided which has at least one partial structure represented by the general formula (1): M1L1 ??(1) in which the partial structure M1L1 is represented by the general formula (2): wherein M1 represents a metal atom selected from Ir, Pt, Rh, and Pd; Y1 represents an alkylene group having 2 to 6 carbon atoms; and at least one of hydrogen atoms directly bonded to the carbon atoms forming the alkylene group Y1 is substituted with a fluorine atom.

Abstract: A novel organic compound and a high-performance organic light-emitting element containing the same. The organic light-emitting element contains a novel compound having a fluoranthene structure.

Abstract: There is provided a high light-emission-efficiency, highly stable, low-cost light emitting device that utilizes a copper complex as a light emitting material and comprises a pair of electrodes provided on a substrate, and an organic substance layer provided between the electrode and comprising a metal coordination compound having a partial structure represented by the general formula (1): wherein Cu represents a copper ion.

Abstract: An electroluminescence device having a layer containing a specific metal coordination compound is provided. The metal coordination compound is represented by formula (1) below: MLmL?n,??(1) wherein M is a metal atom of Ir, Pt, Rh or Pd; L and L? are mutually different bidentate ligands; m is 1, 2 or 3 and n is 0, 1 or 2 with the proviso that m+n is 2 or 3; a partial structure MLm is represented by formula (2) shown below and a partial structure ML?n is represented by formula (3) or (4) shown below: The metal coordination compound of the formula (1) is characterized by having at least one aromatic substituent for at least one of CyN1, CyN2, CyC1 and CyC2. The metal coordination compound having the aromatic substituent is effective in providing high-efficiency luminescence, long-term high luminance, and less deterioration by current passing.

Abstract: A novel compound for an organic EL device is provided which has a structure represented by the general formula (1):

Abstract: A main chain-type or side chain-type polymeric compound having a structure wherein at least one metal complex segment having a plurality of ligands is introduced into a main chain or a side chain is provided. In the case where the polymeric compound is the main chain-type polymeric compound, the metal complex segment has at least one ligand constituting a polymer main chain of the polymeric compound and having a carbon atom and oxygen atom bonded to a metal atom. On the other hand, in the case where the polymeric compound is the side chain-type polymeric compound, a polymer main chain thereof has a conjugated structure, preferably a conjugated double bond. A ligand for the polymeric compound includes a chain or cyclic ligand, of which a bidentate ligand having an organic cyclic structure is preferred, and the ligand has at least one carbon atom or oxygen atom and is bonded to a center metal atom, preferably iridium, via the carbon atom or oxygen atom.

Abstract: There are provided a metal complex which is used as a novel compound for an organic EL device and an organic light-emitting device which uses the metal complex and has an optical output with high efficiency and high luminance. The novel metal complex has, in a partial structure thereof, a non-aromatic ring structure containing at least one olefin and an alkylene group containing at least one F atom, and an unsaturated heterocyclic ring structure containing at least one nitrogen atom. The organic light-emitting device includes a pair of electrodes including an anode and a cathode and at least one layer including an organic compound and interposed between the pair of electrodes, in which the layer including the organic compound contains a metal complex represented by the following structural formula.

Abstract: A fluoranthene compound has 6 fused rings. An organic light-emitting element uses the fluoranthene compound.

Abstract: A high-performance organic light-emitting element and a novel organic compound realizing the above element are provided. A fluoranthene compound having a specific structure and an organic light-emitting element using the same are provided.

Abstract: There is provided a light-emitting material comprising a metal coordination compound having a partial structure represented by the following general formula (1). The light-emitting material has high luminous efficiency and high stability and can be produced at a low cost.

Abstract: A light-emitting device is provided which uses an organic compound to emit light with high luminance and extremely high efficiency. The organic compound is composed of a metal complex having monovalent bidentate ligands. The light-emitting device includes a pair of electrodes which are an anode and a cathode, and plural organic compound layers interposed between the electrodes, in which at least one layer of the organic compound layers contains a metal complex represented by the following structural formula. The light-emitting device is an organic electroluminescent device using the light-emitting device in which the layer including the organic compound is a light-emitting layer.

Abstract: A full-color organic electroluminescent panel has red (R), green (G), and blue (B) color pixels that independently emit light. The organic electroluminescent panel includes a hole-injecting layer common to the red (R), green (G), and blue (B) color pixels and a plurality of hole-transporting layers. The hole-transporting layer in at least one of the red (R), green (G), or blue (B) color pixels differs from a corresponding hole-transporting layer in the remaining pixels.

Abstract: A fluorene derivative represented by the following structural formula. An organic electroluminescence device including a pair of electrodes, and at least one layer containing an organic compound interposed between the pair of the electrodes. The at least one layer containing the organic compound contains the fluorene derivative. The layer containing the fluorene derivative serves as a light-emitting layer.

Abstract: An organic electroluminescent device includes an anode, a cathode, a luminescent layer disposed between the anode and the cathode, and a hole-transporting layer disposed between the anode and the cathode. The luminescent layer includes a first sublayer made of a first metal complex and a second sublayer made of a second metal complex. The second sublayer is disposed further from the hole-transporting layer than the first sublayer.

Abstract: A metal complex is provided which is used for an organic EL device and an organic light-emitting device which outputs light with high luminance and high efficiency. The metal complex has a structure in which a nitrogen atom in a 6- to 8-membered non-aromatic cyclic group is bonded to a metal atom. The organic light-emitting device includes a pair of electrodes which are an anode and a cathode, and an organic compound layer interposed between the electrodes. The organic compound layer contains the metal complex represented by the following structural formula.

Abstract: The invention provides a method for producing an iridium complex with a high yield at a low temperature, and an organic electroluminescence device (organic EL device) having an light output high in efficiency and high luminance in a range from blue to red region. An iridium complex for the organic EL device is produced from an iridium complex having a 4-membered ring structure as an auxiliary ligand.

Abstract: A metal coordination compound having a structure according to formula (1) or (3), wherein ligand L is a phenylisoquinoline ligand and ligand L2 is different from L: A luminescence device and a display apparatus using this metal coordination compound are provided.

Abstract: A metal coordination compound having the following structure: wherein M? is Ir or Rh, m? is 2, and are identical to each other and are represented by a substituted or unsubstituted phenyl isoquinoline ligand. A luminescence device and a display apparatus using this metal coordination is compound are provided.

Abstract: The present invention provides an organic electroluminescent device using a novel light-emitting material. The organic electroluminescent device of the present invention is formed by using an organic compound having an emission wavelength in a single-body state shorter than that in a solution as a light-emitting material, doping the light-emitting material with a conductive material to form a light-emitting layer in such a manner that the content of the conductive material in the light-emitting layer is lower than that of the light-emitting material therein, and interposing the light-emitting layer between electrodes.

Abstract: The present invention provides an organic EL device utilizing phosphorescence which can be driven at a low voltage, which realizes high luminance and high efficiency, and which has a long lifetime. The organic EL device of the present invention includes an organic light-emitting layer composed of at least a host material and a dopant, wherein the dopant is a phosphorescent compound containing a halogen atom, and the host material is a linear aromatic compound having no aromatic substituent at a side thereof.