Patent application number | Description | Published |
20120298981 | STYRENE-BASED COPOLYMERS, IN PARTICULAR FOR USE IN OPTOELECTRONIC COMPONENTS - The present invention relates to styrene-based copolymers having recurring units which contain substituted anthra | 11-29-2012 |
20120305852 | ELECTROLUMINESCENT POLYMERS, PROCESS FOR THE PREPARATION THEREOF, AND USE THEREOF - The present invention relates to electroluminescent polymers which comprise indenofluorenarylamine derivatives as recurring units, to a process for the preparation thereof, to blends and formulations comprising these polymers, and to the use of these polymers or blends in electronic devices, in particular in organic light-emitting diodes, so-called OLEDs. | 12-06-2012 |
20130126791 | POLYMERS CONTAINING STRUCTURAL UNITS WHICH HAVE ELECTRON-TRANSPORT PROPERTIES - The present invention relates to a polymer which contains at least one structural unit which has electron-transport properties, to processes for the preparation thereof and to mixtures (blends), solutions and formulations which comprise these polymers. Furthermore, the present invention relates to the use of these polymers in electronic devices, in particular in organic electro-luminescent devices, so-called OLEDs (OLED=organic light emitting diodes), and to these organic electroluminescent devices themselves. The polymers according to the invention exhibit improved efficiency, in particular on use in OLEDs. | 05-23-2013 |
20130126855 | POLYMERS CONTAINING SUBSTITUTED BENZODITHIOPHENE UNITS, BLENDS COMPRISING THESE POLYMERS, AND DEVICES COMPRISING THESE POLYMERS OR BLENDS - The present invention relates to polymers containing substituted benzodithiophene units and to blends which comprise the polymers according to the invention. The invention is also directed to the use of the polymers and blends according to the inven-tion in organic electronic devices and to these devices themselves. | 05-23-2013 |
20130137818 | POLYMERS HAVING CARBAZOLE STRUCTURAL UNITS - The present invention relates to polymers which contain at least one carbazole structural unit of the general formula (I) where Ar1, Ar2, Ar3 is each, independently of one another, an aryl or heteroaryl | 05-30-2013 |
20130150527 | POLYMERS WITH CARBAZOLE STRUCTURAL UNITS - The present invention relates to polymers containing at least one carbazole structural unit of the general formula (I) where Ar1, Ar2, Ar3 is each, independently of one another, denote an aryl or heteroaryl | 06-13-2013 |
20130187096 | POLYMER MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES - The present invention relates to polymeric materials which have electron-transporting, hole-transporting and/or emit | 07-25-2013 |
20130187103 | MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES - The present invention relates to electroluminescent polymers which contain at least one structural unit which includes at least one phosphorescent emitter unit, to processes for the preparation of these polymers, to mixtures (also called blends), solutions and formulations which comprise these polymers, to the use of these polymers in electronic devices, in particular in organic electro-luminescent devices, so-called OLEDs (OLED=organic light emitting diodes), and to electronic devices containing these polymers. The polymers according to the invention exhibit improved efficiency and a longer lifetime, in particular on use in OLEDs. | 07-25-2013 |
20130200357 | FORMULATIONS FOR ORGANIC ELECTROLUMINESCENT DEVICES - The present invention relates to a formulation, in particular for use in organic electroluminescent devices, comprising a carbazole compound, an electron-transport compound, a triplet emitter compound and at least one solvent, where the electron-transport compound encompasses a ketone compound or a triazine compound and where the carbazole compound contains at least two carbazole groups whose N atoms are connected to one another via an aromatic or heteroaromatic ring system. The invention is furthermore directed to organic electro-luminescent devices which comprise the mixtures according to the invention. | 08-08-2013 |
20130228767 | MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES - The present invention relates to a mixture comprising a) a polymer which contains at least one L=X structural unit, b) a triplet emitter compound and c) a carbazole compound or a soluble neutral molecule. The invention furthermore relates to organic electroluminescent devices which contain the mixture according to the invention. | 09-05-2013 |
20130261708 | SUBSTITUTED TETRAARYLBENZENES - The present invention relates to substances, to electroluminescent device comprising these substances, and to the use thereof. | 10-03-2013 |
20140048745 | FORMULATIONS AND ELECTRONIC DEVICES - The present invention relates to a formulation comprising at least one solvent and at least two functional compounds of the general formula (I) where A is a functional structural element, B is a solubility-promoting structural element and k is an integer in the range from 1 to 20, the molecular weight of the functional compound is at least 550 g/mol and the solubility-promoting structural element B conforms to the general formula (L-I) where Ar1, Ar2 is each, independently of one another, an aryl or heteroaryl group, which may be substituted by one or more radicals R of any desired type, X is in each case, independently of one another, N or CR2, preferably CH, R1, R2 is each, independently of one another, hydrogen, a straight-chain alkyl, alkoxy or thioalkoxy group having 1 to 40 C atoms or a branched or cyclic alkyl, alkoxy or thioalkoxy group having 3 to 40 C atoms or is a silyl group or a substituted keto group having 1 to 40 C atoms, an alkoxycarbonyl group having 2 to 40 C atoms, an aryloxycarbonyl group having 7 to 40 C atoms, a cyano group (CN), a carbamoyl group (C(═O)NH2), a haloformyl group (C(═O)—X, in which X represents a halogen atom), a formyl group (C(═O)—H), an isocyano group, an isocyanate group, a thiocyanate group or a thio-isocyanate group, a hydroxyl group, a nitro group, a CF3 group, Cl, Br, F, a crosslinkable group or a substituted or unsubstituted aromatic or heteroaromatic ring system having 5 to 60 ring atoms, or an aryloxy or heteroaryloxy group having 5 to 60 ring atoms, or a combination of these systems, where one or more of the groups R1 and/or R2 may form a mono- or polycyclic, aliphatic or aromatic ring system with one another and/or with the ring to which the group R1 is bonded; and l is 0, 1, 2, 3 or 4; where the dashed bond indicates the bond to the functional structural element A. The present invention furthermore relates to electronic devices which comprise mixtures of these compounds. | 02-20-2014 |
20140138661 | COMPOUNDS FOR ORGANIC ELECTROLUMINESCENT DEVICES - The present invention relates to crosslinkable compounds, to the crosslinked compounds obtained from these compounds, and to processes for the preparation thereof. The invention is furthermore directed to the use of these compounds in electronic devices and to the corresponding electronic devices themselves. | 05-22-2014 |
20150057445 | SUBSTITUTED TETRAARYLBENZENES - The present invention relates to substances, to electroluminescent device comprising these substances, and to the use thereof. | 02-26-2015 |