Patent application number | Description | Published |
20080281098 | Organometallic compounds and emission-shifting organic electrophosphorescence - Emissive phosphorescent organometallic compounds are described that produce improved electroluminescence, particularly in the blue region of the visible spectrum. Organic light emitting devices employing such emissive phosphorescent organometallic compounds are also described. Also described is an organic light emitting layer including a host material having a lowest triplet excited state having a decay rate of less than about 1 per second; a guest material dispersed in the host material, the guest material having a lowest triplet excited state having a radiative decay rate of greater than about 1×10 | 11-13-2008 |
20090044864 | ORGANIC PHOTOSENSITIVE OPTOELECTRONIC DEVICES WITH TRIPLET HARVESTING - There is disclosed an organic photosensitive optoelectronic devices comprising organic photoconductive materials, which comprise singlet fission host materials doped with triplet forming materials. There is also disclosed devices made from such materials, such as an organic photovoltaic cell, a photoconductor cell, a photodetector, organic photosensors, chemical sensors, and biological sensors. Methods of fabricating such devices are also disclosed. | 02-19-2009 |
20120168697 | BROADLY ABSORBING METALLOPORPHYRIN-BASED MULTICHROMOPHORIC ARRAYS FOR TRIPLET HARVESTING - The present disclosure relates to multichromophoric assemblies comprising metalloporphyrin scaffolds. The present disclosure also relates, in part, to methods for generating electric-field-stabilized geminate polaron pairs comprising applying electric fields to the multichromophoric assemblies described herein, or alternatively, directly to the metalloporphyrins provided by the present disclosure. The present disclosure further relates, in part, to multichromophoric assemblies comprising metalloporphyrin scaffolds, which exhibit enhanced energy transfer properties. | 07-05-2012 |
20120228586 | ORGANIC PHOTOSENSITIVE OPTOELECTRONIC DEVICES WITH TRIPLET HARVESTING - There is disclosed an organic photosensitive optoelectronic devices comprising organic photoconductive materials, which comprise singlet fission host materials doped with triplet forming materials. There is also disclosed devices made from such materials, such as an organic photovoltaic cell, a photoconductor cell, a photodetector, organic photosensors, chemical sensors, and biological sensors. Methods of fabricating such devices are also disclosed. | 09-13-2012 |
20140076403 | DIPYRIN BASED MATERIALS FOR PHOTOVOLTAICS, COMPOUNDS CAPABLE OF UNDERGOING SYMMETRY BREAKING INTRAMOLECULAR CHARGE TRANSFER IN A POLARIZING MEDIUM AND ORGANIC PHOTOVOLTAIC DEVICES COMPRISING THE SAME - The present disclosure generally relates to organic photosensitive optoelectronic devices comprising at least one boron dipyrrin compound. In addition, the present disclosure relates to methods of making organic photosensitive optoelectronic devices comprising at least one boron dipyrrin compound. The present disclosure also generally relates to chromophoric compounds that combine strong absorption of light at visible wavelengths with the ability to undergo symmetry-breaking intramolecular charge transfer (ICT), and their use for the generation of free carriers in organic photovoltaic cells (OPVs) and electric-field-stabilized geminate polaron pairs. The present disclosure also relates to the synthesis of such compounds, methods of manufacture, and applications in photovoltaic systems and organic lasers. | 03-20-2014 |
20150060795 | ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES - A compound having a structure according to | 03-05-2015 |
20150060830 | ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES - A compound comprising a ligand L | 03-05-2015 |
20150108451 | ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES - A compound having a structure according to formula (I) | 04-23-2015 |