| Patent application number | Description | Published |
|---|
| 20080241591 | ORGANIC ELECTROLUMINESCENCE DEVICE AND PHENYLENEDIAMINE DERIVATIVE - The invention is to provide an organic EL device having a long life time that can reduce the driving voltage of the organic EL device, and to provide a material having a small ionization potential and exhibiting a large hole mobility by using as a layer or a zone. The organic electroluminescence device comprises a pair of electrodes and an organic light emitting layer sandwiched in the electrodes, characterized in that a hole transporting zone provided between the electrodes comprises the phenylenediamine derivative represented by the specific structural formulae, and the phenylenediamine derivative has a hole mobility of 10 | 10-02-2008 |
| 20080258613 | ORGANIC ELECTROLUMINESCENCE DEVICE - An electroluminescence device including an anode, a cathode, and an emitting layer interposed between the anode and the cathode, in which the emitting layer contains a host, a first dopant, and a second dopant, a luminous intensity of the first dopant is twelve times as great as a luminous intensity of the second dopant or greater, a content of the second dopant is 0.001% by mass to 0.5% by mass, and the emitting layer is formed by a coating process. | 10-23-2008 |
| 20080303433 | FLUORENE-BASED DERIVATIVE AND ORGANIC ELECTROLUMINESCENCE DEVICE EMPLOYING THE SAME - A fluorene-based 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 sandwiched between a cathode and an anode, wherein at least one layer of the organic thin film layers described above comprises the above fluorene-based derivative having a specific structure in the form of a single component or a mixed component. The organic electroluminescence device has a high luminous efficiency, and the fluorene-based derivative materializes the same. | 12-11-2008 |
| 20080309223 | SPUTTERING TARGET, SINTERED ARTICLE, CONDUCTIVE FILM FABRICATED BY UTILIZING THE SAME, ORGANIC EL DEVICE, AND SUBSTRATE FOR USE THEREIN - A sintered article is fabricated which contains one or more of indium oxide, zinc oxide, and tin oxide as a component thereof and contains any one or more types of metal out of hafnium oxide, tantalum oxide, lanthanide oxide, and bismuth oxide. A backing plate is attached to this sintered article to constitute a sputtering target. This sputtering target is used to fabricate a conductive film on a predetermined substrate by sputtering. This conductive film achieves a large work function while maintaining as much transparency as heretofore. This conductive film can be used to achieve an EL device or the like of improved hole injection efficiency. | 12-18-2008 |
| 20090167156 | ORGANIC ELECTROLUMINESCENCE DEVICE - In an organic electroluminescence device including a hole injecting layer, an emitting layer, an electron transporting layer and a cathode, the hole injecting layer contains poly(alkylene dioxythiophene) and at least one type of fluorine-containing colloid-forming polymer acids. The electron transporting layer contains a nitrogen-containing heterocycle derivative represented by a formula (1) below. | 07-02-2009 |
| 20100200848 | ORGANIC ELECTROLUMINESCENT DEVICE WITH CARRIER BLOCKING LAYER INTERPOSED BETWEEN TWO EMITTING LAYERS - An organic electroluminescent device including in sequence an anode, a first emitting layer ( | 08-12-2010 |
| 20100277063 | FLUORENE-BASED DERIVATIVE AND ORGANIC ELECTROLUMINESCENCE DEVICE EMPLOYING THE SAME - A fluorene-based derivative having a specific structure and an organic electro-luminescence device in which an organic thin film layer comprising a single layer or plural layers including at least a light emitting layer is sandwiched between a cathode and an anode, wherein at least one layer of the organic thin film layers described above comprises the above fluorene-based derivative having a specific structure in the form of a single component or a mixed component. The organic electroluminescence device has a high luminous efficiency, and the fluorene-based derivative materializes the same. | 11-04-2010 |
| 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 |
