Patents Assigned to Covion Organic Semiconductors GmbH
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Patent number: 7834136Abstract: 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.Type: GrantFiled: February 4, 2004Date of Patent: November 16, 2010Assignee: Covion Organic Semiconductors GmbHInventors: Amir Parham, Aurelie Falcou, Susanne Heun, Heinrich Becker, Esther Breuning
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Patent number: 7323533Abstract: The present invention relates to novel conjugated polymers comprising spirobifluorene units and their use in optoelectronic devices, preferably in, for example, displays based on polymeric organic light-emitting diodes.Type: GrantFiled: August 29, 2002Date of Patent: January 29, 2008Assignee: Covion Organic Semiconductors GmbHInventors: Heinrich Becker, Kevin Treacher, Hubert Spreitzer, Aurelie Falcou, Philipp Stössel, Arne Büsing, Amir Parham, Bernd Schröder
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Publication number: 20070265473Abstract: The present invention relates to novel conjugated polymers comprising spirobifluorene units and their use in optoelectronic devices, preferably in, for example, displays based on polymeric organic light-emitting diodes.Type: ApplicationFiled: July 25, 2007Publication date: November 15, 2007Applicant: Covion Organic Semiconductors GmbHInventors: Heinrich Becker, Kevin Treacher, Hubert Spreitzer, Aurelie Falcou, Philipp Stossel, Arne Busing, Amir Parham, Bernd Schroder
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Patent number: 7244960Abstract: The present invention relates to solutions of organic semiconductors and their use in the production of electronic components.Type: GrantFiled: July 18, 2002Date of Patent: July 17, 2007Assignee: Covion Organic Semiconductors GmbHInventors: Hubert Spreitzer, Susanne Heun, Kevin Treacher, Neil Tallant, Stephen Yeates, Beverly Brown
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Publication number: 20070034862Abstract: The present invention describes a novel design principle for organic electronic elements by inserting at least one additional crosslinkable layer. The properties of the electronic devices are thereby improved. Structured construction of these devices is furthermore facilitated.Type: ApplicationFiled: September 4, 2004Publication date: February 15, 2007Applicant: COVION ORGANIC SEMICONDUCTORS GMBHInventors: Amir Parham, Aurelie Falcou, Susanne Heun, Jurgen Steiger
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Publication number: 20070031698Abstract: An oligomer or polymer comprising a first repeat unit and a second repeat unit that may be the same or different, the first repeat unit having formula (I): wherein each E independently represents optionally substituted nitrogen or optionally substituted phosphorus, with the proviso that at least one E is optionally substituted phosphorus; each Ar1, Ar2 and Ar3 is the same or different and independently represents an optionally substituted aryl or heteroaryl; n is 0-3; and in the case of unsubstituted nitrogen and phosphorus, the second repeat unit is directly conjugated to the first repeat unit.Type: ApplicationFiled: August 18, 2004Publication date: February 8, 2007Applicant: COVION ORGANIC SEMICONDUCTORS GMBHInventors: Carl Towns, Ian Rees, Ilaria Grizzi, Paul Wallace
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Publication number: 20060241202Abstract: The present invention relates to new semiconductive polymers, a process for their manufacture and their use in thin film electronic and optical devices, such as organic light emitting diodes (OLED) and photovoltaic devices, e.g. solar cells and photo detectors.Type: ApplicationFiled: May 28, 2004Publication date: October 26, 2006Applicant: Covion Organic Semiconductors GmbHInventor: Paul Wallace
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Publication number: 20060241321Abstract: The present invention relates to the use of boron and aluminum compounds in electronics, in particular as electron transport material, as host material of the emission layer and as hole blocking material, in each case in phosphorescent OLEDs, and also to layers produced therefrom in phosphorescent OLEDs.Type: ApplicationFiled: May 18, 2006Publication date: October 26, 2006Applicant: Covion Organic Semiconductors GmbHInventors: Philipp Stossel, Hubert Spreitzer, Heinrich Becker, Jacqueline Drott
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Publication number: 20060220004Abstract: The present invention relates to new types of metal complexes. Such compounds can be used as active components (=functional materials) in a series of different types of applications which can be classed within the electronics industry in the widest sense. The inventive compounds are described by the structure 1 and the formulae (1) to (60).Type: ApplicationFiled: March 9, 2004Publication date: October 5, 2006Applicant: Covion Organic Semiconductors GmbHInventors: Philipp Stossel, Hubert Spreitzer
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Publication number: 20060208221Abstract: The present invention describes new types of material mixtures composed of at least two substances, one serving as a matrix material and the other being an emission material capable of emission, the latter comprising at least one element of atomic number greater than 20, and the use thereof in organic electronic components such as electroluminescent elements and displays.Type: ApplicationFiled: April 13, 2004Publication date: September 21, 2006Applicant: Covion Organic Semiconductors GmbhInventors: Anja Gerhard, Horst Vestweber, Philipp Stössel, Susanne Heun, Hubert Spreitzer
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Patent number: 7094897Abstract: The present invention describes novel organometallic compounds which are phosphorescence emitters. Such compounds can be used as active components (=functional materials) in a series of different types of application which can be classed within the electronics industry in the broadest sense. The compounds according to the invention are described by the formulae (I), (Ia), (II) and (IIa).Type: GrantFiled: April 3, 2002Date of Patent: August 22, 2006Assignee: Covion Organic Semiconductors GmbHInventors: Philipp Stossel, Hubert Spreitzer, Heinrich Becker
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Patent number: 7087787Abstract: The invention relates to a method for producing derivatives of 4-alkylsulfinyl methylarylene methanols. Derivatives of 4-alkylsulfinyl methylarylene methanols are valuable monomers in the production of conjugated polymers, which are suitable for use as electroluminescent materials.Type: GrantFiled: August 27, 1999Date of Patent: August 8, 2006Assignee: Covion Organic Semiconductors GmbHInventors: Dirk Vanderzande, Joanes Gelan, Albert van Breemen, Michael Van Der Borght, Laurence Lutsen, Raf Kiebooms, Willi Kreuder
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Publication number: 20060159951Abstract: The present invention relates to the improvement of phosphorescent organic electroluminescent devices by using materials of the formula (1) in the hole blocking layer.Type: ApplicationFiled: July 20, 2004Publication date: July 20, 2006Applicant: COVION ORGANIC-SEMICONDUCTORS GMBHInventors: Aurelie Falcou, Frank Meyer, Amir Parham, Heinrich Becker
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Publication number: 20060127696Abstract: The present invention describes novel organometallic compounds which are phosphorescent emitters. Such compounds can be used as active components (=functional materials) in a variety of different applications which can in the widest sense be considered part of the electronics industry. The compounds of the invention are described by the formulae (I), (Ia), (II) and (IIa).Type: ApplicationFiled: August 14, 2003Publication date: June 15, 2006Applicant: COVION ORGANIC SEMICONDUCTORS GmbHInventors: Philipp Stossel, Ingrid Bach, Hubert Spreitzer
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Publication number: 20060127592Abstract: The present invention relates to solutions and/or dispersions of organic semiconductors in a solvent mixture of at least two different organic solvents, characterized in that A. Each of the solvents on its own has a boiling point of below 200° C. and a melting point of 15° C. or less, B. at least one of the solvents has a boiling point in the range from greater than 140 to less than 200° C., C. the solvents used have no benzylic CH2 or CH groups, D. the solvents used are not benzene derivatives containing tert-butyl substituents or more than two methyl substituents, and their use in printing processes for producing layers of organic semiconductors, especially for the electronics industry.Type: ApplicationFiled: February 2, 2006Publication date: June 15, 2006Applicant: Covion Organic Semiconductors GmbHInventors: Hubert Spreitzer, Heinrich Becker, Kevin Treacher, Susanne Heun, Andreas Sauer
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Patent number: 7060369Abstract: The present invention relates to the use of boron and aluminum compounds in electronics, in particular as electron transport material, as host material of the emission layer and as hole blocking material, in each case in phosphorescent OLEDs, and also to layers produced therefrom in phosphorescent OLEDs.Type: GrantFiled: December 20, 2001Date of Patent: June 13, 2006Assignee: Covion Organic Semiconductors GmbHInventors: Philipp Stössel, Hubert Spreitzer, Heinrich Becker, Jacqueline Drott
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Publication number: 20060065890Abstract: The present invention describes novel organometallic compounds which are phosphorescence emitters. Such compounds can be used as active components (=functional materials) in a series of different types of application which can be classed within the electronics industry in the broadest sense. The compounds according to the invention are described by the formulae (I), (Ia), (II) and (IIa).Type: ApplicationFiled: November 10, 2005Publication date: March 30, 2006Applicant: Covion Organic Semiconductors GmbHInventors: Philipp Stossel, Hubert Spreitzer, Heinrich Becker
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Publication number: 20060063027Abstract: The present invention relates to the improvement of organic electroluminescent devices, which is characterized in that the emitting layer (EML) consists of a mixture of two substances, one having hole-conducting properties and the other having light-emitting properties, and at least one of these compounds containing a spiro-9,9?-bifluorene unit.Type: ApplicationFiled: December 9, 2003Publication date: March 23, 2006Applicant: Covion Organic Semiconductors GmbHInventors: Horst Vestweber, Anja Gerhard, Philipp Stossel, Hubert Spreitzer
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Publication number: 20060058524Abstract: The present invention relates to a process for preparing aryl-aryl-coupled compounds and materials. These materials play an important role in industry, for instance as liquid crystals, pharmaceuticals, agrochemicals and as organic semiconductors. The aryl-aryl couplings hitherto carried out by means of Yamamoto coupling require specific additives in order to give a product suitable for the subsequent use. Particularly in the electronics industry, the Yamamoto coupling needs to meet particular requirements.Type: ApplicationFiled: August 20, 2003Publication date: March 16, 2006Applicant: Covion Organic Semiconductors GmbHInventors: Aurelie Falcou, Jochen Schwaiget, Andrea Ritter
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Publication number: 20060052612Abstract: The invention relates to novel compounds containing 2,1,3-benzothiadiazole. Said compounds can be used as active components (=functional materials) in a series of different applications that can be attributed in the broadest sense to the electronics industry. The inventive compounds are defined by the formulae (I), (II), (III), (IV), (V), (VI), (VI), (VIII), (IX), (X) and (XI).Type: ApplicationFiled: June 14, 2003Publication date: March 9, 2006Applicant: Covion Organic Semiconductors GmbH Intellectual Property GroupInventors: Philipp Stossel, Amir Parham, Horst Vestweber, Hubert Spreitzer