| Patent application number | Description | Published |
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| 20090045726 | M-CARBAZOLYLPHENYL COMPOUNDS - An object of the present invention is to provide a host compound in an emission layer, which has a high excited triplet level and completely confines triplet excitons of an phosphorescence-emitting substance. The invention relates to a compound containing an m-carbazolylphenyl group, which is represented by the following general formula (1): | 02-19-2009 |
| 20090102361 | COMPOUND HAVING TRIAZOLE RING STRUCTURE SUBSTITUTED WITH PYRIDYL GROUP AND ORGANIC ELECTROLUMINESCENT DEVICE - An object of the invention is to provide an organic compound having excellent electron transport property and hole blocking property as a material for a highly efficient organic EL device, and also provide a highly efficient organic EL device using the compound. This invention relates to a compound having a triazole ring structure to which a substituted pyridyl group is bonded, represented by the following general formula (1), and to an organic electroluminescence device comprising the compound: | 04-23-2009 |
| 20090108750 | COMPOUND HAVING THIADIAZOLE RING STRUCTURE SUBSTITUTED WITH PYRIDYL GROUP AND ORGANIC ELECTROLUMINESCENT DEVICE - An object of the present invention is to provide an organic compound having excellent characteristics, which is excellent in electron injection/transport performance, has hole blocking property and is high in stability in a thin film state, as a material for an organic EL device having high efficiency and high durability, and further to provide an organic EL device having high efficiency and high durability using this compound. The invention relates to a compound represented by general formula (1), which has a thiadiazole ring structure substituted with a substituted pyridyl group, and to an organic EL device having a pair of electrodes and at least one organic layer interposed therebetween, wherein the compound is contained as a constituent material of at least one of the organic layer(s). | 04-30-2009 |
| 20090230849 | COMPOUND HAVING OXADIAZOLE RING STRUCTURE BONDED WITH AROMATIC HETEROCYCLIC RING AND ORGANIC ELECTROLUMINESCENT DEVICE - An object of the invention is to provide an organic compound having excellent characteristics as a material for highly efficient and highly durable organic EL devices, and also to provide a highly efficient and highly durable organic EL device. This invention relates to a compound represented by the general formula (1) having an oxadiazole ring structure bonded with an aromatic heterocycle, and to an organic electroluminescence device containing the compound: | 09-17-2009 |
| 20090278442 | ARYLAMINE COMPOUND AND ORGANIC ELECTROLUMINESCENCE DEVICE - Objects of the invention are to provide a compound of a single molecular species having excellent hole injection/transport property suitable for highly efficient and highly durable organic EL device and excellent amorphousness, and provide a highly efficient and highly durable organic EL device using the compound. This invention relates to an arylamine compound having a molecular weight of 1,500 to 6,000 represented by the following general formula ( | 11-12-2009 |
| 20100090588 | COMPOUND HAVING TRIAZINE RING STRUCTURE SUBSTITUTED WITH PYRIDYL GROUP AND ORGANIC ELECTROLUMINESCENT DEVICE - The present invention is to provide an organic compound having excellent characteristics as a material for an organic EL device having a high efficiency and a high durability, and to provide an organic EL device having a high efficiency and a high durability using the compound. The invention relates to a compound having a triazine ring structure having pyridyl groups attached thereto, which is represented by the general formula (1); and to an organic electroluminescent device comprising a pair of electrodes and at least one organic layer interposed between the electrodes, wherein the compound is used as a constituent material of at least one of the organic layer(s): | 04-15-2010 |
| 20100123388 | COMPOUND WHEREIN SUBSTITUTED BIPYRIDYL GROUP IS CONNECTED WITH PYRIDOINDOLE RING STRUCTURE THROUGH PHENYLENE GROUP, AND ORGANIC ELECTROLUMINESCENT DEVICE - Objects of the present invention are to provide an organic compound having excellent properties, which is excellent in electron-injection/transport performances, has hole-blocking ability and is highly stable in a thin-film state, as a material for an organic electroluminescence device having a high efficiency and a high durability, and to provide an organic electroluminescence device having a high efficiency and a high durability using the compound. The invention relates to a compound having a substituted bipyridyl group and a pyridoindole ring structure connected with each other through a phenylene group, which is represented by the general formula (1), and an organic EL device comprising a pair of electrodes and at least one organic layer interposed between the electrodes, wherein the compound is used as a constituent material for the at least one organic layer. | 05-20-2010 |
| 20100230660 | COMPOUND HAVING PYRIDOINDOLE RING STRUCTURE HAVING SUBSTITUTED PYRIDYL GROUP ATTACHED THERETO, AND ORGANIC ELECTROLUMINESCENCE ELEMENT - The present invention is to provide an organic compound having excellent characteristics as a material for an organic EL device having a high efficiency and a high durability, and to provide an organic EL device having a high efficiency and a high durability by using the compound. The invention relates to a compound having a pyridoindole ring structure having a substituted pyridyl group attached thereto, which is represented by the general formula (1); and to an organic electroluminescent device comprising a pair of electrodes and at least one organic layer interposed between the electrodes, wherein at least one of the organic layer(s) contains the compound: | 09-16-2010 |
| 20100308322 | COMPOUND HAVING PYRIDOINDOLE RING STRUCTURE BONDED WITH SUBSTITUTED PYRIDYL GROUP, AND ORGANIC ELECTROLUMINESCENT DEVICE - Objects of the invention are to provide an organic compound having excellent properties, which is excellent in electron-injecting/transporting performance, has hole-blocking ability, and is highly stable in a thin-film state, as a material for an organic electroluminescent devices having a high-efficiency and a high durability; and to provide an organic electroluminescent device having a high-efficiency and a high durability using the compound. The invention relates to: a compound having a pyridoindole ring structure bonded with a substituted pyridyl group, which is represented by the following general formula (1); and an organic electroluminescent device comprising a pair of electrodes and at least one organic layer interposed between the electrodes, wherein the at least one organic layer contains the compound. | 12-09-2010 |
| 20110006291 | COMPOUND HAVING SUBSTITUTED PYRIDYL GROUP AND PYRIDOINDOLE RING STRUCTURE LINKED THROUGH PHENYLENE GROUP, AND ORGANIC ELECTROLUMINESCENT DEVICE - Objects of the present invention are to provide an organic compound having excellent properties, which is excellent in electron-injecting/transporting performances, has hole-blocking ability and is highly stable in a thin-film state, as a material for an organic electroluminescent device having a high efficiency and a high durability; and to provide an organic electroluminescent device having a high efficiency and a high durability using the compound. The invention relates to a compound having a substituted pyridyl group and a pyridoindole ring structure linked through a phenylene group, which is represented by the general formula (1); and an organic EL device comprising a pair of electrodes and at least one organic layer interposed between the electrodes, wherein the at least one organic layer contains the compound: | 01-13-2011 |
| 20110073852 | ORGANIC ELECTROLUMINESCENT DEVICE - A problem of the invention is to provide an organic EL device having a high efficiency, a low driving voltage and a long life, by combining various materials for organic EL device, which are excellent in an injection or transportation performance of holes or electrons, and in stability and durability in a thin film, so as to enable the respective materials to effectively reveal their characteristics. The invention relates to an organic electroluminescent device including at least an anode electrode, a hole-injecting layer, a hole-transporting layer, an emitting layer, an electron-transporting layer and a cathode electrode in this order, in which the hole-injecting layer contains an arylamine compound having, in its molecule, a structure in which three or more triphenylamine structures are connected through a single bond or a hetero atom-free divalent group; and the hole-transporting layer contains an arylamine compound having two triphenylamine structures in its molecule. | 03-31-2011 |
