Patent application number | Description | Published |
20090015144 | FLUORANTHENE COMPOUND, ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME, AND SOLUTION CONTAINING ORGANIC ELECTROLUMINESCENCE MATERIAL - A fluoranthene compound with a specified asymmetric structure; an organic EL device which is composed of one or more organic compound layers including at least one emitting layer sandwiched between a pair of electrodes, wherein at least one of the organic compound layers contains at least one kind of the fluoranthene compound; and a solution containing a material for the organic EL which is composed of the fluoranthene compound as the material for the organic EL and a solvent. An organic electroluminescence (EL) device having a superior luminance of light emission, an enhanced efficiency of light emission, and a prolonged lifetime and a compound realizing the device are provided. | 01-15-2009 |
20090051281 | POLYMERIC COMPOUND FOR ORGANIC ELECTROLUMINESCENCE AND METHOD FOR PRODUCTION THEREOF - A polymer compound for an organic electroluminescence device, which has a halogen element content of 50 ppm by mass or less. | 02-26-2009 |
20090206748 | METHOD FOR PRODUCING AROMATIC COMPOUND AND AROMATIC COMPOUND - A process for producing an aromatic compound which can effectively decrease the contents of halogen elements in the aromatic compound and an aromatic compound which is produced in accordance with the process and useful as the material for obtaining an organic electroluminescence device having a long life are provided. The process for producing an aromatic compound comprises bringing an aromatic compound which is produced via an intermediate compound having halogen elements and has contents of halogen elements of 10 to 1,000 ppm by mass into reaction with a dehalogenating agent to decrease the contents of halogen elements to 10 ppm by mass or smaller, and an aromatic compound which is produced in accordance with the process. | 08-20-2009 |
20090230848 | ORGANIC ELECTROLUMINESCENT ELEMENT USING POLYARYLAMINE - In an organic electroluminescence device in which one or more organic compound layer is interposed between a pair of electrodes constituted from an anode and a cathode, the organic compound layer comprises a hole transporting layer and/or a hole injecting layer, and polyarylamine having a specific structure is contained in the above hole transporting layer and/or hole injecting layer, whereby the organic electroluminescence device obtained by using polyarylamine is provided. In particular, materialized is the organic electroluminescence device in which a production process is simplified and which is increased in a size of a screen and a improved in device performance. | 09-17-2009 |
20100270539 | ORGANIC EL ELEMENT AND ORGANIC EL MATERIAL-CONTAINING SOLUTION - An organic EL device ( | 10-28-2010 |
20110220886 | ORGANIC ELECTROLUMINESCENCE MATERIAL COMPOSITION, THIN FILM FORMATION METHOD, AND ORGANIC ELECTROLUMINESCENCE ELEMENT - An organic electroluminescence material composition including a solvent represented by the following formula (1) and an anthracene derivative:
| 09-15-2011 |
20110226992 | ORGANIC ELECTROLUMINESCENT MATERIAL COMPOSITIONS - An organic electroluminescence material composition including an organic electroluminescence material and a solvent, the organic electroluminescence material being a naphthacene derivative, and the solvent being a solvent which is represented by the following formula (1). | 09-22-2011 |
20120181521 | AROMATIC AMINE DERIVATIVE AND ELECTROLUMINESCENCE DEVICE USING THE SAME - Provided are a novel aromatic amine derivative having a specific structure and an organic electroluminescence device in which an organic thin layer comprising a single layer or plural layers including a light emitting layer is interposed between a cathode and an anode, wherein at leas one layer of the above organic thin layer contains the aromatic amine derivative described above in the form of a single component or a mixed component. Thus, the organic electroluminescence device is less liable to be crystallized in molecules, improved in a yield in producing the organic electroluminescence device and extended in a lifetime. | 07-19-2012 |
20120223295 | BISCARBAZOLE DERIVATIVES AND ORGANIC ELECTROLUMINESCENCE - Provided are an organic electroluminescence device having high current efficiency and a long lifetime, and a biscarbazole derivative for realizing the device. The biscarbazole derivative has a specific substituent. The organic EL device has a plurality of organic thin-film layers including a light emitting layer between a cathode and an anode, and at least one layer of the organic thin-film layers contains the biscarbazole derivative. | 09-06-2012 |
20130234119 | MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE AND ORGANIC ELECTROLUMINESCENCE DEVICE - An organic electroluminescence device employing a specific biscarbazole derivative having a cyano group as a first host and a compound having both a carbazole structure and a nitrogen-containing aromatic heteroring as a second host. The organic electroluminescence device has a prolonged lifetime. | 09-12-2013 |
20130306963 | ORGANIC LIGHT EMITTING DEVICE AND MATERIALS FOR USE IN SAME - 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;
| 11-21-2013 |
20140001446 | MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE AND ORGANIC ELECTROLUMINESCENCE DEVICE | 01-02-2014 |
20140048784 | BISCARBAZOLE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT ELEMENT USING SAME - A biscarbazole derivative having a specific group, which is represented by formula (1): | 02-20-2014 |
20140151647 | MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE AND ORGANIC ELECTROLUMINESCENCE DEVICE - An organic electroluminescence device employing a specific biscarbazole derivative having a cyano group as a first host and a compound having both a carbazole structure and a nitrogen-containing aromatic heteroring as a second host. The organic electroluminescence device has a prolonged lifetime. | 06-05-2014 |
20140159006 | AROMATIC AMINE DERIVATIVE AND ELECTROLUMINESCENCE DEVICE USING THE SAME - Provided are a novel aromatic amine derivative having a specific structure and an organic electroluminescence device in which an organic thin layer comprising a single layer or plural layers including a light emitting layer is interposed between a cathode and an anode, wherein at leas one layer of the above organic thin layer contains the aromatic amine derivative described above in the form of a single component or a mixed component. Thus, the organic electroluminescence device is less liable to be crystallized in molecules, improved in a yield in producing the organic electroluminescence device and extended in a lifetime. | 06-12-2014 |
20140312331 | BISCARBAZOLE DERIVATIVES AND ORGANIC ELECTROLUMINESCENCE - Provided are an organic electroluminescence device having high current efficiency and a long lifetime, and a biscarbazole derivative for realizing the device. The biscarbazole derivative has a specific substituent. The organic EL device has a plurality of organic thin-film layers including a light emitting layer between a cathode and an anode, and at least one layer of the organic thin-film layers contains the biscarbazole derivative. | 10-23-2014 |