Patent application number | Description | Published |
20080246391 | Organic Electroluminescent Device and Display - An organic electroluminescent device including at least an anode, a first emitting layer, a hole barrier layer, a second emitting layer and a cathode in this order. The first emitting layer and the second emitting layer both include a hole transporting material. The organic EL device is small in chromaticity change and has high efficiency. | 10-09-2008 |
20080303417 | Aromatic Amine Derivative and Organic Electroluminescent Device Using Same - Disclosed is an organic electroluminescence device in which an organic thin film which is composed of one or more layers including at least a light-emitting layer is interposed between a cathode and an anode. Since at least one layer of the organic thin film contains a novel aromatic amine derivative, which has an asymmetric structure wherein two different amine units are bonded through a linking group, by itself or as a component of a mixture, molecules of the organic electroluminescence device. This organic electroluminescence device has a long life. | 12-11-2008 |
20090009073 | Oligoarylene Derivatives and Organic Electroluminescent Devices Made By Using The Same - There are provided oligoarylene derivatives capable of emitting blue light at high luminous efficiency which are represented by the following general formulae (1) to (4): | 01-08-2009 |
20090009074 | Oligoarylene Derivatives and Organic Electroluminescent Devices Made By Using The Same - There are provided oligoarylene derivatives capable of emitting blue light at high luminous efficiency which are represented by the following general formulae (1) to (4): | 01-08-2009 |
20090021160 | MATERIAL FOR ORGANIC ELECTROLUMINESCENT DEVICE, METHOD FOR PRODUCING SAME AND ORGANIC ELECTROLUMINESCENT DEVICE - A material for an organic electroluminescence device which can be a cis-isomer or a trans-isomer of structural isomers, the content of the trans-isomer being more than that of the cis-isomer. The ratio (t/c) of the trans-isomer (t) and the cis-isomer (c) is preferably 2 or more. | 01-22-2009 |
20100141119 | AROMATIC AMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT ELEMENT EMPLOYING THE SAME - An aromatic amine derivative having a specific structure having m-terphenyl group and an organic electroluminescence device comprising a cathode, an anode and an organic thin film layer which is disposed between the cathode and the anode and comprises at least one layer comprising at least a light emitting layer, wherein at least one layer in the organic thin film layer comprises the aromatic amine derivative singly or as a component of a mixture. The organic electroluminescence device has a long life. | 06-10-2010 |
20120112176 | AROMATIC AMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT DEVICE USING SAME - Disclosed is an organic electroluminescence device in which an organic thin film which is composed of one or more layers including at least a light-emitting layer is interposed between a cathode and an anode. Since at least one layer of the organic thin film contains a novel aromatic amine derivative, which has an asymmetric structure wherein two different amine units are bonded through a linking group, by itself or as a component of a mixture, molecules are hardly crystallized, thereby improving the production yield of the organic electroluminescence device. This organic electroluminescence device has a long life. | 05-10-2012 |
20120184776 | AROMATIC AMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT DEVICE USING SAME - Disclosed is an organic electroluminescence device in which an organic thin film which is composed of one or more layers including at least a light-emitting layer is interposed between a cathode and an anode. Since at least one layer of the organic thin film contains a novel aromatic amine derivative, which has an asymmetric structure wherein two different amine units are bonded through a linking group, by itself or as a component of a mixture, molecules are hardly crystallized thereby improving the production yield of the organic electroluminescence device. This organic electroluminescence device has a long life. | 07-19-2012 |
20120228594 | AROMATIC AMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT DEVICE USING SAME - Disclosed is an organic electroluminescence device in which an organic thin film which is composed of one or more layers including at least a light-emitting layer is interposed between a cathode and an anode. Since at least one layer of the organic thin film contains a novel aromatic amine derivative, which has an asymmetric structure wherein two different amine units are bonded through a linking group, by itself or as a component of a mixture, molecules are hardly crystallized, thereby improving the production yield of the organic electroluminescence device. This organic electroluminescence device has a long life. | 09-13-2012 |
20120302793 | AROMATIC AMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT DEVICE USING SAME - A process for producing an amine compound, by reacting a halogenated aryl compound with an amine intermediate of formula (1): | 11-29-2012 |
20140077200 | AROMATIC AMINE DERIVATIVES AND ORGANIC ELECTROLUMINESCENT DEVICE USING SAME - The present invention provides a novel aromatic amine derivative having a specific structure and an organic electroluminescence device in which an organic thin film layer comprising a single layer or plural layers including at least a light emitting layer is interposed between a cathode and an anode, wherein at least one layer in the above organic thin film layer, particularly a hole injecting layer contains the aromatic amine derivative described above in the form of a single component or a mixed component. Use of the aromatic amine derivative described above materialize an organic electroluminescence device which reduces an operating voltage and makes molecules less liable to be crystallized and which enhances a yield in producing the organic EL device and has a long lifetime. | 03-20-2014 |