Patent application number | Description | Published |
20080199600 | Organic Semiconductor Solutions - The present invention relates to liquid compositions, in particular solutions, of at least one organic semiconductor which emits light from the triplet state, in an organic solvent or solvent mixture, which are characterised in that the content of certain compounds is below a certain limit value, and to the use thereof for the production of layers of the organic semiconductors on substrates, in particular for the electronics industry. | 08-21-2008 |
20080226941 | Solvent Mixtures For Organic Semiconductors - The present invention relates to solutions of at least one organic semiconductor in at least one organic solvent with at least one aliphatic or cycloaliphatic alkene, and to the use thereof for the production of layers of organic semiconductors on substrates, in particular for the electronics industry. | 09-18-2008 |
20090149627 | INDENOFLUORENE POLYMER BASED ORGANIC SEMICONDUCTOR MATERIALS - The invention relates to polymers comprising indenofluorene units or derivatives thereof, organic semiconductor (OSC) materials comprising them, their use in electronic or electrooptical devices, and devices comprising said polymers or materials. | 06-11-2009 |
20090167166 | MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES - The present invention relates to compounds according to formula (1) and/or according to formulae (4) to (10) and their use in organic electroluminescent devices, in particular as a matrix material in phosphorescent devices. | 07-02-2009 |
20090295275 | Compounds for organic electronic devices - The present invention relates to the improvement of organic electroluminescent devices, in particular blue-emitting devices, by using compounds of the formula (1) or formula (2) as dopants in the emitting layer or as hole-transport material in a hole-transport layer. | 12-03-2009 |
20090321686 | 1,4-BIS(2-THIENYLVINYL)BENZOL DERIVATIVES AND THEIR USE - The present invention relates to novel 1,4-bis(2-thienylvinyl)benzene derivatives, to conjugated polymers, dendrimers, blends, mixtures and formulations comprising same, and to the use thereof in electronic devices, in particular in polymeric organic light-emitting diodes. | 12-31-2009 |
20100102305 | MATERIALS FOR ELECTROLUMINESCENCE AND THE UTILIZATION THEREOF - The present invention relates to organic semiconductors which contain structural units L=X and in addition structural units which emit light from the triplet state. The materials according to the invention are more soluble and easier to synthesise and are therefore more suitable for use in organic light-emitting diodes than comparative materials in accordance with the prior art. | 04-29-2010 |
20100197875 | WHITE-EMITTING COPOLYMERS, REPRESENTATION, AND USE THEREOF - The present invention relates to white-emitting copolymers which are obtained by a combination of blue-, green- and red-emitting repeating units. The copolymers of the invention display better film formation and an improved efficiency when used in polymeric organic light-emitting diodes compared to materials according to the prior art. | 08-05-2010 |
20110037058 | OPTOELECTRONIC DEVICE - The present invention relates to an opto-electronic device comprising a layer comprising a polymer containing fluorine-containing groups, where an adhesive fluorine-fluorine interaction exists at least between some of the fluorine-containing groups of the layer. The invention is furthermore directed to the use of the opto-electronic device and to a process for the production thereof. | 02-17-2011 |
20110068304 | Conjugated Polymers and Blends Containing Carbazole, Representation and Use Thereof - The present invention relates to conjugated polymers comprising specific carbazole structural units. The materials according to the invention display steeper current-voltage curves and are therefore better suited to use in organic light-emitting diodes than are comparative polymers which do not contain these units. | 03-24-2011 |
20110068329 | OPTOELECTRONIC DEVICE - The present invention relates to an opto-electronic device comprising a first layer and a second layer on a substrate, characterised in that the first layer comprises an electrode material containing fluorine-containing groups and the second layer comprises a polymer containing fluorine-containing groups, where an adhesive fluorine-fluorine interaction exists between some of the fluorine-containing groups of the first layer and of the second layer. The invention furthermore relates to the use of the opto-electronic device and to a process for the production of the opto-electronic device according to the invention. | 03-24-2011 |
20110095283 | FLUORINE-BRIDGED ASSOCIATIONS FOR OPTOELECTRONIC APPLICATIONS - The present invention relates to a fluorine-bridged associate consisting of an oligomer or polymer containing fluorine radicals which are bonded to the oligomer or polymer backbone, and up to three types of functional units in the backbone which differ with respect to function and are selected from the group consisting of a hole-transport and/or hole-injection unit, an electron-transport and/or electron-injection unit and an emitter unit, and one to three types of compounds containing a fluorine radical which differ with respect to function and are selected from a hole-transport and/or hole-injection unit, an electron-transport and/or electron-injection unit and an emitter unit, and to an opto-electronic device in which the fluorine-bridged associate is employed. | 04-28-2011 |
20110108818 | ORGANIC ELECTROLUMINESCENCE DEVICE - The present invention relates to organic electroluminescent devices which comprise ketone or phosphine oxide derivatives as matrix material and at least two phosphorescent compounds. | 05-12-2011 |
20110108824 | ELECTROLUMINESCENT POLYMERS, METHOD FOR THE PRODUCTION THEREOF, AND USE THEREOF - The present invention relates to electroluminescent polymers which comprise 2-vinylthiophenylbenzene 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 in electronic devices, in particular in organic light-emitting diodes, so-called OLEDs. | 05-12-2011 |
20120056170 | COMPOSITION COMPRISING AT LEAST ONE EMITTER COMPOUND AND AT LEAST ONE POLYMER HAVING CONJUGATION-INTERRUPTING UNITS - The present invention relates to a composition, containing at least one emitter compound and at least one polymer with conjugation-interrupting units, to the use of said composition in an optoelectronic apparatus and to an optoelectronic apparatus which contains said inventive composition. | 03-08-2012 |
20120061617 | POLYMERS WHICH CONTAIN SUBSTITUTED INDENOFLUORENE DERIVATIVES AS STRUCTURAL UNIT, PROCESS FOR THE PREPARATION THEREOF, AND THE USE THEREOF - The present invention relates to polymers which contain substituted indenofluorene derivatives as structural unit, to substituted indenofluorene derivatives, to a process for the preparation of the polymers according to the invention, to mixtures and solutions which comprise the polymers according to the invention, and to the use of the polymers according to the invention in electronic devices, in particular in organic electroluminescent devices, so-called OLEDs (OLED=organic light emitting diode). | 03-15-2012 |
20120108731 | POLYMERS COMPRISING SUBSTITUTED ANTHRACENYL UNITS, BLENDS COMPRISING THESE POLYMERS, AND DEVICES COMPRISING THESE POLYMERS OR BLENDS - The present invention relates to polymers comprising substituted anthracenyl 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 invention in organic electronic devices and to these devices themselves. | 05-03-2012 |
20120126179 | MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES - The present invention relates to 4,4′-substituted spirobifluorenes which are suitable, owing to excellent properties, as functional materials in organic electroluminescent devices. In addition, the present invention relates to a process for the preparation of 4,4′-substituted spirobifluorenes and to the use of these compounds in organic electroluminescent devices. | 05-24-2012 |
20120142855 | MATERIALS FOR ELECTRONIC DEVICES - The present invention relates to polymers comprising structural units having partially fluorinated substituents, to mixtures and formulations comprising the polymers according to the invention, to a process for the preparation of the polymers according to the invention, and to the use of the polymers according to the invention as functional materials in electronic devices. | 06-07-2012 |
20120238105 | FORMULATIONS FOR THE PRODUCTION OF ELECTRONIC DEVICES - The present invention relates to formula, comprising at least one solvent, and at least one functional composition of the general formula (I), wherein A is a functional structural element, B is a solvent-providing structural element, and k is an integer in the range of 1 to 20. The molecular weight of the functional composition is at least 550 g/mol, and the solvent-providing structural element B corresponds to the general formula ((L-I). Ar1, Ar2 JeWeUs, independently of each other, signify an aryl or heteroaryl group, which can be substituted with one or several discretionary residues R. Each X is, independently of one another, N or CR | 09-20-2012 |
20120299045 | ORGANIC ELECTROLUMINESCENT DEVICE WITH INTEGRATED LAYER FOR COLOUR CONVERSION - The invention relates, inter alia, to an opto-electronic device having at least two electrodes ( | 11-29-2012 |
20130062581 | COMPOSITION FOR THE PREPARATION OF ORGANIC ELECTRONIC (OE) DEVICES - The present invention relates to novel formulations comprising an organic semiconductor (OSC) and one or more organic solvents. The formulation comprises a dimethyl anisole solvent. Furthermore, the present invention describes the use of these formulations as inks for the preparation of organic electronic (OE) devices, especially organic photovoltaic (OPV) cells and OLED devices, to methods for preparing OE devices using the novel formulations, and to OE devices, OLED devices and OPV cells prepared from such methods and formulations. | 03-14-2013 |
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 |
20130168663 | ORGANIC ELECTROLUMINESCENT DEVICE - The present invention relates to phosphorescent organic electroluminescent devices which comprise at least one phosphorescent emitter and a matrix material in the emitting layer, where certain conditions must be satisfied for the positions of the triplet energy and the HOMO and LUMO. | 07-04-2013 |
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 |
20130277617 | ORGANIC ELECTROLUMINESCENT DEVICE - The present invention relates to a mixture comprising two different compounds A and B, each of which contain emitter units, where at least one of the compounds is a polymer. The present invention furthermore relates to a non-conjugated polymer or dendrimer which contains two emitting units covalently bonded as polymer building blocks, to the use of the mixture, the polymer or dendrimer in electronic devices, to electronic devices comprising the mixture, the polymer or dendrimer, and to a formulation comprising the mixture, the polymer or dendrimer in a solvent. | 10-24-2013 |
20130299743 | MATERIALS FOR ORGANIC ELECTROLUMINESCENCE DEVICES - The present invention relates to copolymers containing indenocarbazole derivatives having electron- and hole-transporting properties, in particular for use in the interlayer, emission layer and/or charge-transport layer of electroluminescent devices. The invention furthermore relates to a process for the preparation of the compounds according to the invention and to electronic devices comprising these compounds. | 11-14-2013 |
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 |
20140197401 | ORGANIC ELECTROLUMINESCENCE DEVICE - The present invention relates to organic electroluminescent devices which comprise a mixture of at least two materials in the electron-transport layer. | 07-17-2014 |
20140358198 | ORGANIC SENSITIZERS FOR UP-CONVERSION - The invention relates to compositions, devices containing same, and the use thereof for up-conversion. Said compositions and devices are particularly suitable for generating low-energy radiation. | 12-04-2014 |