Patent application number | Description | Published |
20090167167 | Organic electroluminescent device and material for organic electroluminescent device - Disclosed is a novel compound useful as a constituent of an organic EL device. Also disclosed is a practical organic EL device using this compound. This organic EL device has low driving voltage, long life, and reduced leakage current. Specifically disclosed is a compound characterized by having at least one structure (1) shown below in a molecule. Structure (1) | 07-02-2009 |
20090315022 | AZAINDENOFLUORENEDIONE DERIVATIVE, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE AND ORGANIC ELECTROLUMINESCENCE DEVICE - An azaindenofluorenedione derivative shown by the following formula (I), (IIa) or (IIb): | 12-24-2009 |
20100181555 | MATERIAL FOR ORGANIC ELECTROLUMINESCENT DEVICE, ORGANIC ELECTROLUMINESCENT DEVICE, AND ORGANIC ELECTROLUMINESCENT DISPLAY - A material for an organic electroluminescent device including an imine derivative represented by the following formula (Ia) or (Ib), | 07-22-2010 |
20100187519 | MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENT, AND ORGANIC ELECTROLUMINESCENT ELEMENT - A material for an organic electroluminescence device including at least one of compounds shown by the following formula (Ia), (Ib), (IIa), (IIb), (III), (IVa) or (IVb): | 07-29-2010 |
20110275814 | MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE AND ORGANIC ELECTROLUMINESCENCE DEVICE - A material for an organic electroluminescence device including an indenofluorenedione derivative shown by the following formula (I): | 11-10-2011 |
20120306362 | MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE AND ORGANIC ELECTROLUMINESCENCE DEVICE - A material for an organic electroluminescence device including an indenofluorenedione derivative shown by the following formula (I): | 12-06-2012 |
20130161591 | MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENT, AND ORGANIC ELECTROLUMINESCENT ELEMENT - A material for an organic electroluminescence device including at least one of compounds shown by the following formula (Ia), (Ib), (IIa), (IIb), (III), (IVa) or (IVb): | 06-27-2013 |
20130337373 | POLYCARBONATE COPOLYMER, COATING FLUID USING SAME, ELECTROPHOTOGRAPHIC PHOTORECEPTOR, AND METHOD FOR PRODUCING POLYCARBONATE COPOLYMER - This invention relates to a polycarbonate copolymer having a structure formed of a repeating unit represented by the following formula (100): | 12-19-2013 |
20140001461 | INDENOFLUORENEDIONE DERIVATIVE, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENT, AND ORGANIC ELECTROLUMINESCENT ELEMENT | 01-02-2014 |