Patent application number | Description | Published |
20120126220 | COMPOUND HAVING SUBSTITUTED ANTHRACENE RING STRUCTURE AND PYRIDOINDOLE RING STRUCTURE, AND ORGANIC ELECTROLUMINESCENT DEVICE - There is provided an organic compound having excellent characteristics, including excellent electron-injecting/transporting performance, hole blocking ability, and high stability in the thin-film state, for use as material of an organic electroluminescent device having high efficiency and high durability. There is also provided a high-efficient and high-durable organic electroluminescent device using the compound. The compound is represented by general formula (1) having a substituted anthracene ring structure and a pyridoindole ring structure. The organic electroluminescent device includes a pair of electrodes, and one or more organic layers sandwiched between the pair of electrodes, and the compound is used as a constituent material of at least one organic layer. | 05-24-2012 |
20120175599 | COMPOUND HAVING CARBAZOLE RING STRUCTURE, AND ORGANIC ELECTROLUMINESCENT DEVICE - [Problem] An organic compound of excellent characteristics is provided that exhibits excellent hole-injecting/transporting performance with electron blocking ability, and that has high stability in the thin-film state and high luminous efficiency, the organic compound being provided as material for an organic electroluminescent device having high efficiency and high durability. The invention also provides a high-efficient, high-durable organic electroluminescent device using the compound. | 07-12-2012 |
20120205642 | ORGANIC ELECTROLUMINESCENT DEVICE - A high-efficiency, high-durability organic electroluminescent device, particularly a phosphorescent organic electroluminescent device is provided by using an organic compound of excellent characteristics that exhibits excellent hole-injecting/transporting performance and has high triplet exciton confining capability with an electron blocking ability, and that has high stability in the thin-film state and high luminous efficiency. | 08-16-2012 |
20120273767 | ORGANIC ELECTROLUMINESCENT DEVICE - A high-efficiency, high-durability organic electroluminescent device, particularly a phosphorescent organic electroluminescent device is provided by using an organic compound of excellent characteristics that exhibits excellent hole-injecting/transporting performance and has high triplet exciton confining capability with an electron blocking ability, and that has high stability in the thin-film state and high luminous efficiency. | 11-01-2012 |
20120292609 | COMPOUND HAVING TRIPHENYLAMINE STRUCTURE, AND ORGANIC ELECTROLUMINESCENT DEVICE - There is provided an organic compound of excellent characteristics that exhibits excellent hole-injecting/transporting performance and has an electron blocking ability and a highly stable thin-film state with excellent heat resistance. The compound of the present invention is an arylamine compound having a triphenylamine structure. The arylamine compound is used as a constituent material of at least one organic layer in an organic electroluminescent device that includes a pair of electrodes, and one or more organic layers sandwiched between the pair of electrodes. | 11-22-2012 |
20130075715 | COMPOUND HAVING ACRIDAN RING STRUCTURE, AND ORGANIC ELECTROLUMINESCENT DEVICE - An organic compound with characteristics excelling in hole-injecting/transporting performance and having an electron blocking ability, a highly stable thin-film state, and excellent heat resistance is provided as material for an organic electroluminescent device of high efficiency and high durability, and the organic electroluminescent device of high efficiency and high durability is provided using this compound. The compound of a general formula (Chemical Formula 1) having a substituted acridan ring structure is used as a constituent material of at least one organic layer in the organic electroluminescent device that includes a pair of electrodes and one or more organic layers sandwiched between the pair of electrodes. | 03-28-2013 |
20130112950 | COMPOUND HAVING CARBAZOLE RING STRUCTURE, AND ORGANIC ELECTROLUMINESCENT DEVICE - There is provided an organic compound of excellent characteristics that exhibits excellent hole-injecting/transporting performance and has high triplet exciton confining capability with an electron blocking ability, and that has high stability in the thin-film state and high luminous efficiency. The compound is used to provide a high-efficiency, high-durability organic electroluminescent device, particularly a phosphorescent organic electroluminescent device. The present invention is a compound of the following general formula having a carbazole ring structure. The compound is used as a constituent material of at least one organic layer in an organic electroluminescent device that includes a pair of electrodes, and one or more organic layers sandwiched between the pair of electrodes. | 05-09-2013 |
20130126856 | COMPOUND HAVING INDENOCARBAZOLE RING STRUCTURE, AND ORGANIC ELECTROLUMINESCENT DEVICE - An organic compound with excellent characteristics excelling in hole-injecting/transporting performance and having electron blocking ability, high stability in a thin-film state and high luminous efficiency is provided as material for an organic electroluminescent device. The compound of a general formula (1) having an indenocarbazole ring structure is used as a constituent material of at least one organic layer in the organic electroluminescent device that includes a pair of electrodes and one or more organic layers sandwiched between the pair of electrodes. | 05-23-2013 |
20130292663 | COMPOUND HAVING SUBSTITUTED BIPYRIDYL GROUP AND PYRIDOINODOLE RING STRUCTURE, AND ORGANIC ELECTROLUMINESCENT DEVICE - To provide an organic compound of excellent characteristics that exhibits excellent electron-injecting/transporting performance with hole blocking ability, and has high stability in the thin-film state, as material for an organic electroluminescent device having high efficiency and high durability, and to provide the organic electroluminescent device having high efficiency and high durability using the compound. An organic electroluminescent device includes a pair of electrodes, and one or more organic layers sandwiched between the pair of electrodes, wherein the compound of general formula (1) in which a substituted bipyridyl group and a pyridoindole ring structure are bonded via a phenylene group, is used as a constituent material of at least one organic layer. | 11-07-2013 |
20130328040 | ORGANIC ELECTROLUMINESCENT DEVICE - An organic electroluminescent device comprising, between an anode and a cathode, a hole-transporting layer, a luminous layer and an electron-transporting layer, wherein the hole-transporting layer contains an arylamine compound (X) having a molecular structure to which three or more triphenylamine skeletons are singly bonded or bonded through a divalent hydrocarbon group and an arylamine compound (Y) having a molecular structure to which two triphenylamine skeletons are singly bonded or bonded through the divalent hydrocarbon group. The device excels in hole and electron injection/transport property, stability and durability in the form of thin films, and is highly efficient, becomes luminous on a low driving voltage, and has a long life. | 12-12-2013 |
20130328041 | COMPOUNDS HAVING BIPYRIDYL GROUP AND CARBAZOLE RING, AND ORGANIC ELECTROLUMINESCENT ELEMENT - The present invention relates to a compound having a bipyridyl group and a carbazole ring, which is represented by the following general formula (1); and an organic electroluminescent element containing a pair of electrodes and at least one organic layer interposed therebetween, in which the compound is used as a constituent material of the at least one organic layer: | 12-12-2013 |
20140021451 | ORGANIC ELECTROLUMINESCENT DEVICE - An organic electroluminescent device comprises, between an anode and a cathode, a hole injection layer, a hole-transporting layer, a luminous layer and an electron-transporting layer, wherein the hole injection layer contains an arylamine compound (α) having three or more triphenylamine skeletons, the hole-transporting layer contains an arylamine compound (β) having two triphenylamine skeletons, and the electron-transporting layer contains an electron-transporting compound having an anthracene ring skeleton and a pyridoindole ring skeleton. The organic EL device emits light highly efficiently, drives on a low voltage, and features excellent durability and long life. | 01-23-2014 |
20140034936 | COMPOUND HAVING SUBSTITUTED TRIPHENYLENE RING STRUCTURE, AND ORGANIC ELECTROLUMINESCENT DEVICE - An organic compound having an excellent electron injection and transport performance is provided as a material for a low-power-consumption organic electroluminescent device. A low-power-consumption organic electroluminescent device is also provided by using the compound. The compound is a compound of general formula (1) or (2) having a substituted bipyridyl and triphenylene ring structure. The organic electroluminescent device includes a pair of electrodes, and one or more organic layers sandwiched between the pair of electrodes, and uses the compound as constituent material of at least one of the organic layers. | 02-06-2014 |
20140042425 | COMPOUND HAVING ACRIDAN RING STRUCTURE, AND ORGANIC ELECTROLUMINESCENT DEVICE - An organic compound with characteristics excelling in hole-injecting/transporting performance and having an electron blocking ability, a highly stable thin-film state, and excellent heat resistance is provided as material for an organic electroluminescent device of high efficiency and high durability, and the organic electroluminescent device of high efficiency and high durability is provided using this compound. The compound of a general formula (Chemical Formula 1) having a substituted acridan ring structure is used as a constituent material of at least one organic layer in the organic electroluminescent device that includes a pair of electrodes and one or more organic layers sandwiched between the pair of electrodes. | 02-13-2014 |
20140124756 | COMPOUND HAVING AN INDOLOCARBAZOLE RING STRUCTURE AND ORGANIC ELECTROLUMINESCENT DEVICE - A compound having an indolocarbazole ring structure is represented by the following general formula (1), and is used as a material for forming a highly efficient and highly durable organic electroluminescent device. The compound features excellent hole injection/transport capability, has electron blocking power and is highly stable in the form of a thin film. | 05-08-2014 |
20140339518 | PHOSPHORESCENT ORGANIC LIGHT EMITTING DEVICES COMBINED WITH HOLE TRANSPORT MATERIAL HAVING HIGH OPERATING STABILITY - An improved OLED includes an emitter layer disposed between a cathode and an anode where the emitter layer includes a host material and a phosphorescent emitter material. A first hole transport layer is disposed between the emitter layer and the anode and a second hole transport layer is disposed between the first hole transport layer and the anode. The first hole transport layer includes a first hole transport material that is a carbazole type compound and the second hole transport layer includes a second hole transport material that is different from the first hole transport material. The phosphorescent emitter material includes a phosphorescent organometallic compound that is a heteroleptic compound represented by the formula L | 11-20-2014 |
20140374721 | NOVEL BENZOTRIAZOLE DERIVATIVES AND ORGANIC ELECTROLUMINESCENT DEVICES USING THE DERIVATIVES - Benzotriazole derivatives represented by the following general formula (1), | 12-25-2014 |
20140374728 | PHOSPHORESCENT ORGANIC LIGHT EMITTING DEVICES HAVING A HOLE TRANSPORTING COHOST MATERIAL IN THE EMISSIVE REGION - An improved OLED includes an emissive layer disposed between a cathode and an anode where the emissive layer includes a multi-component host material and a phosphorescent emitter material. The host material includes at least a first host compound and a second host compound, where the first host compound is hole-transporting host compound having the general formula wherein R | 12-25-2014 |
20150048351 | COMPOUND HAVING ACRIDAN RING STRUCTURE, AND ORGANIC ELECTROLUMINESCENT DEVICE - An organic compound with characteristics excelling in hole-injecting/transporting performance and having an electron blocking ability, a highly stable thin-film state, and excellent heat resistance is provided as material for an organic electroluminescent device of high efficiency and high durability, and the organic electroluminescent device of high efficiency and high durability is provided using this compound. | 02-19-2015 |
20150060803 | COMPOUND HAVING ACRIDAN RING STRUCTURE, AND ORGANIC ELECTROLUMINESCENT DEVICE - An organic compound with characteristics excelling in hole-injecting/transporting performance and having an electron blocking ability, a highly stable thin-film state, and excellent heat resistance is provided as material for an organic electroluminescent device of high efficiency and high durability, and the organic electroluminescent device of high efficiency and high durability is provided using this compound. The compound of a general formula (Chemical Formula 1) having an acridan ring structure is used as a constituent material of at least one organic layer in the organic electroluminescent device that includes a pair of electrodes and one or more organic layers sandwiched between the pair of electrodes. | 03-05-2015 |