摘要:
A coordination metal compound comprising cordinating at least one ligand having a Spiro bond to at least a metal atom; a material for an organic electroluminescence (EL) device, and an organic EL device comprising at least one organic thin film layer sandwiched between a pair of electrodes consisting of an anode and a cathode, wherein at least one organic thin film layer thereof comprises the coordination metal compound or the material for an organic EL device, and a material for luminescence coating formation comprising an organic solvent solution containing the coordination metal compound or the material for the organic EL device is provided. Further, the organic EL device employing either the material for luminescence coating formation or the material for the organic EL device, which exhibits an enhanced efficiency of light emission and is superior in heat resistance, the coordination metal compound having excellent solubility for an organic solvent which realizes the aforementioned, the material for the organic EL device and the material for luminescence coating formation are provided.
摘要:
A chrysene derivative shown by the following formula: wherein R1 to R10 and R21 to R25 are independently a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, a substituted or unsubstituted cycloalkyl group having 3 to 10 ring carbon atoms, a substituted or unsubstituted alkylsilyl group having 3 to 20 carbon atoms, a substituted or unsubstituted arylsilyl group having 8 to 30 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 20 ring carbon atoms, provided that at least one of R21 to R25 is a substituted or unsubstituted fused aromatic ring group having 10 to 20 ring carbon atoms or a substituted or unsubstituted fluorenyl group.
摘要:
A chrysene derivative shown by the following formula: wherein R1 to R10 and R21 to R25 are independently a hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, a substituted or unsubstituted cycloalkyl group having 3 to 10 ring carbon atoms, a substituted or unsubstituted alkylsilyl group having 3 to 20 carbon atoms, a substituted or unsubstituted arylsilyl group having 8 to 30 carbon atoms, or a substituted or unsubstituted aryl group having 6 to 20 ring carbon atoms, provided that at least one of R21 to R25 is a substituted or unsubstituted fused aromatic ring group having 10 to 20 ring carbon atoms or a substituted or unsubstituted fluorenyl group.
摘要:
An organic EL device (1) includes an anode (3), a cathode (4) and an organic thin-film layer (5) provided between the anode (3) and the cathode (4). The organic thin-film layer (5) includes a single-layered mixed-color emitting layer (51) for providing mixed-color emission. The mixed-color emitting layer (51) contains a host, a fluorescent dopant for blue fluorescent emission and a phosphorescent dopant for red or green phosphorescent emission.
摘要:
An organic EL device (1) includes an anode (3), a cathode (4) and an organic thin-film layer (5) provided between the anode (3) and the cathode (4). The organic thin-film layer (5) includes a single-layered mixed-color emitting layer (51) for providing mixed-color emission. The mixed-color emitting layer (51) contains a host, a fluorescent dopant for blue fluorescent emission and a phosphorescent dopant for red or green phosphorescent emission.
摘要:
A novel compound having a spiro bond with a specific structure, a material for forming a luminous coated film comprising the compound having the spiro bond with the specific structure, and an organic electroluminescence device which comprises at least one organic thin film layer sandwiched between a pair of electrode consisting of an anode and a cathode, wherein the organic thin film layer comprises the compound having the spiro bond. The organic EL device employing either the compound having a spiro bond or the material for forming luminous coated film in accordance with the present invention is superior in heat resistance, has stability of the thin film composing the device, emits uniform blue light, and exhibits an excellent luminance, current efficiency even under a low driving voltage.
摘要:
An organic EL material-containing solution contains an organic EL material, a solvent and a viscosity control agent. The organic EL material contains a host and a dopant.The host is a compound shown by Formula (1) below and has a solubility of 2 wt % or higher in the solvent. The solvent is an aromatic solvent, while the viscosity control agent is an alcohol type solution or an alkyl-substituted aromatic solution having 4 or more carbon atoms.
摘要:
Disclosed are a novel polycyclic aromatic compound having a specific structure and a material for forming a luminescent coating film which is composed of an organic solvent solution containing such a polycyclic aromatic compound. Also disclosed is an organic electroluminescent (EL) device wherein an organic thin film layer composed of one or more layers including at least a light-emitting layer is interposed between a cathode and an anode. Such an organic EL device has high luminous efficiency and long life, since the polycyclicaromatic compound is contained, by itself or as a component of a mixture, in at least one layer of the organic thin film layer of the organic EL device.
摘要:
An organic EL material-containing solution contains an organic EL material and a solvent. The organic EL material contains a host and a dopant, the host being a naphthacene compound having a solubility in the solvent of 0.5 wt % or higher. The solvent is selected from the group consisting of an aromatic solvent, a halogen type solvent and an ether type solvent.
摘要:
The OLEDs of the present invention are characterized by providing an organic thin film layer comprising a single layer or plural layers between a cathode and an anode, wherein the organic thin film layer comprises at least one organic light emitting layer, wherein at least one light emitting layer comprises at least one host material and at least one phosphorescent emitter material, wherein the host material comprises a bis-carbazole derivative host material; and the phosphorescent emitter material comprises a phosphorescent organometallic complex having a substituted chemical structure represented by one of the following partial chemical structures represented by the formula: LL′L″M wherein M is a metal that forms octahedral complexes, L, L′, L″ are equivalent or inequivalent bidentate ligands wherein each L comprises a substituted or unsubstituted phenylpyridine ligand coordinated to M through an sp2 hybridized carbon and N; and one of L, L′ and L″ is inequivalent to at least one of the other two.