Patent application number | Description | Published |
20100039024 | New Heterocyclic bridged biphenyls - The present invention relates electroluminescent devices, comprising a compound of the formula (I), especially as host for phosphorescent compounds. The hosts may function with phosphorescent materials to provide improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices. | 02-18-2010 |
20100108994 | ELECTROLUMINESCENT METAL COMPLEXES WITH BENZOTRIAZOLES - This invention relates to electroluminescent metal complexes with benzotriazoles of the formula (I), a process for their preparation, electronic devices comprising the metal complexes and their use in electronic devices, especially organic light emitting diodes (OLEDs), as oxygen sensitive indicators, as phosphorescent indicators in bioassays, and as catalysts. | 05-06-2010 |
20100109514 | HETEROCYCLIC BRIDGED BIPHENYLS - The present invention relates to compounds of the formula (I), a process for their preparation and their use in organic light emitting diodes (OLEDs), especially as host for phosphorescent compounds. The hosts may function with phosphorescent materials to provide improved efficiency, stability, manufacturability, or special characteristics of electroluminescent devices. | 05-06-2010 |
20100244014 | ELECTROLUMINESCENT METAL COMPLEXES WITH TRIAZOLES AND BENZOTRIAZOLES - This invention relates to electroluminescent metal complexes with triazoles and benzotriazoles, respectively of the formula | 09-30-2010 |
20100249349 | Novel Polymers - The present invention relates to novel polymers comprising a repeating unit of the formula (I) and their use in electronic devices. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high charge carrier mobilities and high stability of the emission color can be observed, if the polymers according to the invention are used in organic light emitting diodes (OLEDs). | 09-30-2010 |
20110114922 | Electroluminescent Metal Complexes with Nucleophilic Carbene Ligands - This invention relates to electroluminescent metal complexes of the formula (I), wherein the ring A, formula (II), represents an optionally substituted aryl group which can optionally contain heteroatoms, the ring B, formula (III), represents an optionally substituted nitrogen containing aryl group, which can optionally contain further heteroatoms, or the ring A may be taken with the ring B binding to the ring A to form a ring; the group C, formula (IV), represents an acyclic carbene, or a cyclic carbene (ring C), which can optionally contain heteroatoms, the ring D, formula (V), represents an optionally substituted aryl group which can optionally contain heteroatoms, n1 is an integer of 1 to 3, m1 is an integer of 0, 1, or 2, m2 is an integer 0, or 1, M | 05-19-2011 |
20110186821 | AZAPYRENES FOR ELECTRONIC APPLICATIONS - The present invention relates to electronic devices, especially electroluminescent devices, comprising azapyrenes of formula (I), or formula (III), wherein Y | 08-04-2011 |
20120007063 | USE OF DIBENZOFURANS AND DIBENZOTHIOPHENES SUBSTITUTED BY NITROGEN-BONDED FIVE-MEMBERED HETEROCYCLIC RINGS IN ORGANIC ELECTRONICS - The present invention relates to the use of dibenzofurans and dibenzothiophenes which have at least one nitrogen-bonded five-membered heterocyclic ring as a substituent as host, blocker and/or charge transport material in organic electronics. The present invention further relates to dibenzofurans and dibenzothiophenes which comprise at least one nitrogen-bonded five-membered heterocyclic ring and at least one carbazolyl radical as substituents, to a process for preparation thereof, and to the use of these compounds in organic electronics. | 01-12-2012 |
20120149904 | BISPYRIMIDINES FOR ELECTRONIC APPLICATIONS - The present invention relates to compounds of formula | 06-14-2012 |
20120168731 | PHENANTHROAZOLE COMPOUNDS AS HOLE TRANSPORTING MATERIALS FOR ELECTRO LUMINESCENT DEVICES - The present invention relates to electroluminescent devices, comprising a compound of the formula (I) as a component of the transporting/injecting and/or electron blocking layer. The compounds of formula (I) may function alone, or in combination with dopants to provide improved efficiency, driving voltage and/or lifetime of electroluminescent devices. | 07-05-2012 |