Patent application number | Description | Published |
20100201255 | Organic electroluminescence device - An organic electroluminescence device comprising a pair of electrodes and a layer of an organic light emitting medium disposed between the pair of electrodes, wherein the layer of an organic light emitting medium comprises a mixed layer comprising (A) at least one hole transporting compound and (B) at least one electron transporting compound, an energy gap of the hole transporting compound represented by Eg1 and an energy gap of the electron transporting compound represented by Eg2 satisfy a relation: Eg108-12-2010 | |
20110034744 | ORGANIC ELECTROLUMINESCENCE DEVICE AND ANTHRACENE DERIVATIVE - An anthracene derivative having a specific asymmetric structure is provided. The asymmetric anthracenes are useful in an organic electroluminescence device and exhibit efficient light emission and a long performance lifetime. | 02-10-2011 |
20110049482 | Novel aromatic compound and organic electroluminescent element containing the same - A novel aromatic compound having an anthracene skeleton structure and an asymmetric molecular structure; and an organic electroluminescence device which comprises a cathode, an anode and an organic thin film layer comprising at least one layer containing a light emitting layer and sandwiched between the cathode and the anode in which at least one layer in the organic thin film layer contains the above novel aromatic compound singly or as a component of a mixture. The organic electroluminescence device exhibits a great luminance of emitted light, a great efficiency of light emission and a high purity of color, emits bluish light, is excellent in stability at high temperatures and has a long life. The organic electroluminescence device can be provided by utilizing the novel aromatic compound. | 03-03-2011 |
20110309338 | Materical for organic electroluminescent devices and organic electroluminescent devices made by using the same - A material for electroluminescent devices which comprises a compound in which a heterocyclic group having nitrogen is bonded to carbazolyl group and an organic electroluminescent device having at least one organic thin film layer which is sandwiched between the cathode and the anode and contains the above material in at least one layer, are provided. The material can provide organic electroluminescent devices emitting bluish light with a high purity of color. The organic electroluminescence device uses the material. | 12-22-2011 |
20120001160 | ORGANIC ELECTROLUMINESCENCE DEVICE - An organic electroluminescent device ( | 01-05-2012 |
20120235129 | MATERIAL FOR ORGANIC ELECTROLUMINESCENT DEVICES AND ORGANIC ELECTROLUMINESCENT DEVICES MADE BY USING THE SAME - A material for electroluminescent devices which comprises a compound in which a heterocyclic group having nitrogen is bonded to carbazolyl group and an organic electroluminescent device having at least one organic thin film layer which is sandwiched between the cathode and the anode and contains the above material in at least one layer, are provided. The material can provide organic electroluminescent devices emitting bluish light with a high purity of color. The organic electroluminescence device uses the material. | 09-20-2012 |
20120235561 | ORGANIC ELECTROLUMINESCENCE DEVICE AND ANTHRACENE DERIVATIVE - An anthracene derivative having a specific asymmetric structure is provided. The asymmetric anthracenes are useful in an organic electroluminescence device and exhibit efficient light emission and a long performance lifetime. | 09-20-2012 |
20120273768 | HETEROCYCLE-CONTAINING ASYMMETRIC AROMATIC COMPOUND, COMPOUND FOR ORGANIC THIN FILM TRANSISTOR, AND ORGANIC THIN FILM TRANSISTOR USING THE SAME - A compound represented by the following formula (I), provided that the compound in which all of R | 11-01-2012 |
20120298203 | DIBENZOFLUORANTHENE COMPOUND AND ORGANIC THIN-FILM SOLAR CELL USING SAME - A dibenzofluoranthene compound represented by the following formula (A). | 11-29-2012 |
20120298975 | MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICES AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE MATERIAL - A material for organic electroluminescence devices comprising a compound in which a heterocyclic group having nitrogen is bonded to an arylcarbazolyl group or a carbazolylalkylene group and an organic electroluminescence device comprising an anode, a cathode and an organic thin film layer comprising at least one layer and disposed between the anode and the cathode, wherein at least one layer in the organic thin film layer comprises the material for organic electroluminescence devices described above. The material can provide an organic electroluminescence device emitting bluish light with a high purity of color. The organic electroluminescence device uses the material. | 11-29-2012 |
20120319099 | MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICES AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE MATERIAL - A material for organic electroluminescence devices comprising a compound in which a heterocyclic group having nitrogen is bonded to an arylcarbazolyl group or a carbazolylalkylene group and an organic electroluminescence device comprising an anode, a cathode and an organic thin film layer comprising at least one layer and disposed between the anode and the cathode, wherein at least one layer in the organic thin film layer comprises the material for organic electroluminescence devices described above. The material can provide an organic electro-luminescence device emitting bluish light with a high purity of color. The organic electroluminescence device uses the material. | 12-20-2012 |
20130174910 | INDENOPERYLENE COMPOUND, MATERIAL FOR ORGANIC THIN-FILM PHOTOVOTAIC CELL CONTAINING INDENOPERYLENE DERIVATIVE AND ORGANIC THIN FILM PHOTOVOTAIC CELL USING SAME - An indenoperylene derivative represented by a formula (A-1), wherein in the formula (A-1), at least one of R | 07-11-2013 |
20140001460 | MATERIAL FOR ORGANIC ELECTROLUMINESCENT DEVICES AND ORGANIC ELECTROLUMINESCENT DEVICES MADE BY USING THE SAME | 01-02-2014 |
20140021461 | MATERIAL FOR ORGANIC ELECTROLUMINESCENCE ELEMENT, AND ORGANIC ELECTROLUMINESCENCE ELEMENT USING THE MATERIAL - An organic electroluminescence device comprising a compound having a specific structure having a heteroatom and an organic electroluminescence device which comprises a cathode, an anode and an organic thin film layer which comprises at least one layer comprising at least a light emitting layer and is disposed between the cathode and the anode, wherein at least one layer in the organic thin film layer comprises the above compound. The device provides excellent efficiency of light emission, forms no defects in pixels, exhibits excellent heat resistance and has a long life. | 01-23-2014 |
20140061616 | ORGANIC SEMICONDUCTOR MATERIAL, COATING LIQUID CONTAINING THE MATERIAL, AND ORGANIC THIN FILM TRANSISTOR - An organic semiconductor material is represented by the following formula (1), wherein two or more of R | 03-06-2014 |
20140291653 | ORGANIC ELECTROLUMINESCENCE DEVICE AND ANTHRACENE DERIVATIVE - An organic electroluminescence device which comprises a cathode, an anode and an organic thin film layer comprising at least one layer comprising a light emitting layer and disposed between the cathode and the anode, wherein at least one layer in the organic thin film layer comprises an anthracene derivative having a specific structure singly or as a component of a mixture, and an anthracene derivative having a specific asymmetric structure and providing an organic electroluminescence device exhibiting a great efficiency of light emission and having a long life, are provided. | 10-02-2014 |