Patents by Inventor Christian Lennartz

Christian Lennartz has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20110266528
    Abstract: An organic light-emitting diode, organic solar cell or switching element comprising at least one substituted carbazole derivative of the general formula (I), (II) or (III) in which X is NR4, O, S or PR4; Y is NR5, O, S or PR5; where at least one of the symbols X and Y is NR4 or NR5; substituted carbazole derivatives of the formula (I), (II) or (III); a light-emitting layer comprising at least one substituted carbazole derivative of the general formula (I), (II) or (III) and at least one emitter material; the use of substituted carbazole derivatives of the general formula (I), (II) or (Ill) as matrix material, hole/exciton blocker material and/or electron/exciton blocker material and/or hole injection material and/or electron injection material and/or hole conductor material and/or electron conductor material in an organic light-emitting diode, an organic solar cell or in a switching element, and a device selected from the group consisting of stationary visual display units, mobile visual display units,
    Type: Application
    Filed: April 5, 2011
    Publication date: November 3, 2011
    Applicants: BASF SE, OSRAM OPTO SEMICONDUCTORS GMBH, KONINKLIJKE PHILIPS ELECTRONICS N.V.
    Inventors: Nicolle Langer, Christian Schildknecht, Soichi Watanabe, Evelyn Fuchs, Gerhard Wagenblast, Christian Lennartz, Oliver Molt, Korinna Dormann, Arvid Hunze, Ralf Krause, Günter Schmid, Karsten Heuser, Volker van Elsbergen, Herbert Friedrich Boerner
  • Publication number: 20110253988
    Abstract: The present invention concerns a metal-carbene complex of the general formula (I) in which R5 and R6 together, or R6 and R7 together, a unit of the formula: in which * denotes the connection to the carbon atoms of the benzene ring bearing the R5 and R6 radicals or R6 and R7 radicals, and the oxygen atom is connected to the carbon atom bearing the R5, R6 or R7 radical, and A is oxygen or sulfur. The present invention further concerns light-emitting layer comprising at least one metal-carbene complex according to the present invention and an organic light-emitting diode comprising a light-emitting layer according to the present invention, a device selected from the group consisting of stationary visual display units, mobile visual display units and illumination means and the use of a metal-carbene complex according to the present invention in organic light-emitting diodes, especially as emitter, matrix material, charge carrier material and charge blocker material.
    Type: Application
    Filed: April 15, 2011
    Publication date: October 20, 2011
    Applicant: BASF SE
    Inventors: Oliver Molt, Christian Lennartz, Korinna Dormann, Evelyn Fuchs, Thomas Ge?ner, Nicolle Langer, Soichi Watanabe, Christian Schildknecht, Gerhard Wagenblast
  • Publication number: 20110198578
    Abstract: The present invention relates to the use of siloles substituted by fused ring systems in organic electronics applications, and to specific siloles substituted by fused ring systems and to the use thereof in organic electronics applications.
    Type: Application
    Filed: October 7, 2009
    Publication date: August 18, 2011
    Applicants: OSRAM OPTO SEMICONDUCTORS GMBH, KONINKLIJKE PHILIPS ELECTRONICS N.V., BASF SE
    Inventors: Karsten Heuser, Arvid Hunze, Guenter Schmid, Ralf Krause, Herbert Friedrich Boerner, Volker Van Elsbergen, Nicolle Langer, Oliver Molt, Korinna Dormann, Evelyn Fuchs, Jens Rudolph, Christian Lennartz, Soichi Watanabe, Christian Schildknecht, Gerhard Wagenblast
  • Patent number: 7989091
    Abstract: Silanes comprising phenothiazine S-oxide or phenothiazine S,S-dioxide groups, organic light-emitting diodes comprising the inventive silanes, a light-emitting layer comprising at least one inventive silane and at least one triplet emitter, a process for preparing the inventive silanes and the use of the inventive silanes in organic light-emitting diodes, preferably as matrix materials and/or blocker materials for triplet emitters.
    Type: Grant
    Filed: April 21, 2008
    Date of Patent: August 2, 2011
    Assignee: BASF SE
    Inventors: Nicolle Langer, Klaus Kahle, Christian Lennartz, Christian Schildknecht, Simon Nord, Oliver Molt, Evelyn Fuchs, Jens Rudolph, Gerhard Wagenblast
  • Publication number: 20110172423
    Abstract: An organic light-emitting diode comprising at least one cyclic phosphazene compound, a light-emitting layer formed from at least one matrix material and at least one emitter material, wherein the at least one matrix material comprises at least one cyclic phosphazene compound, the use of cyclic phosphazene compounds in organic light-emitting diodes and a device selected from the group consisting of stationary visual display units, mobile visual display units and illumination units comprising at least one inventive organic light-emitting diode, and selected cyclic phosphazene compounds and processes for preparing them.
    Type: Application
    Filed: June 17, 2009
    Publication date: July 14, 2011
    Applicants: BASF SE, KONINKLIJKE PHILIPS ELECTRONICS N.V., OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Evelyn Fuchs, Oliver Molt, Nicolle Langer, Christian Lennartz, Peter Strohriegl, Pamela Schroegel, Herbert Friedrich Boerner, Volker Van Elsbergen, Arvid Hunze, Ralf Krause
  • Publication number: 20110114933
    Abstract: Metal complexes comprising at least one polycyclic aromatic ligand which is bonded to the central metal via one nitrogen atom and one carbon atom and comprises at least one heteroatom selected from O and S, an organic light-emitting diode comprising at least one inventive metal complex, a light-emitting layer comprising at least one inventive metal complex, an organic light-emitting diode comprising at least one inventive light-emitting layer, the use of the at least one inventive metal complex in organic light-emitting diodes, and a device selected from the group consisting of stationary visual display units such as visual display units of computers, televisions, visual display units in printers, kitchen appliances and advertising panels, illuminations, information panels and mobile visual display units such as visual display units in cellphones, laptops, digital cameras, vehicles, and destination displays on buses and trains, comprising at least one inventive organic light-emitting diode.
    Type: Application
    Filed: June 9, 2009
    Publication date: May 19, 2011
    Applicant: BASF SE
    Inventors: Oliver Molt, Christian Lennartz, Evelyn Fuchs, Korinna Dormann, Nicolle Langer, Christian Schildknecht, Jens Rudolph, Gerhard Wagenblast, Soichi Watanabe
  • Publication number: 20110098473
    Abstract: Metal complexes comprising at least one polycyclic aromatic ligand which is bonded to the central metal via two nitrogen atoms, an organic light-emitting diode comprising at least one inventive metal complex, a light-emitting layer comprising at least one inventive metal complex, an organic light-emitting diode comprising at least one inventive light-emitting layer, the use of the at least one inventive metal complex in organic light-emitting diodes, and a device selected from the group consisting of stationary visual display units such as visual display units of computers, televisions, visual display units in printers, kitchen appliances and advertising panels, illuminations, information panels and mobile visual display units such as visual display units in cellphones, laptops, digital cameras, vehicles, and destination displays on buses and trains, comprising at least one inventive organic light-emitting diode.
    Type: Application
    Filed: June 9, 2009
    Publication date: April 28, 2011
    Applicant: BASF SE
    Inventors: Oliver Molt, Christian Lennartz, Evelyn Fuchs, Korinna Dormann, Nicolle Langer, Christian Schildknecht, Jens Rudolph, Gerhard Wagenblast, Soichi Watanabe
  • Publication number: 20110087026
    Abstract: Metal complexes comprising at least one polycyclic aromatic ligand and bearing at least one deuterium atom, an organic light-emitting diode comprising at least one inventive metal complex, a light-emitting layer comprising at least one inventive metal complex, an organic light-emitting diode comprising at least one inventive light-emitting layer, the use of the at least one inventive metal complex in organic light-emitting diodes, and a device selected from the group consisting of stationary visual display units such as visual display units of computers, televisions, visual display units in printers, kitchen appliances and advertising panels, illuminations, information panels and mobile visual display units such as visual display units in cellphones, laptops, digital cameras, vehicles, and destination displays on buses and trains, comprising at least one inventive organic light-emitting diode.
    Type: Application
    Filed: June 9, 2009
    Publication date: April 14, 2011
    Applicant: BASF SE
    Inventors: Oliver Molt, Christian Lennartz, Evelyn Fuchs, Korinna Dormann, Nicolle Langer, Christian Schildknecht, Jens Rudolph, Gerhard Wagenblast, Soichi Watanabe
  • Publication number: 20110049500
    Abstract: Use of transition metal complexes of the formula (I) in organic light-emitting diodes where: M1 is a metal atom; carbene is a carbene ligand; L is a monoanionic or dianionic ligand; K is an uncharged monodentate or bidentate ligand selected from the group consisting of phosphines; CO; pyridines; nitriles and conjugated dienes which form a ? complex with M1; n is the number of carbene ligands and is at least 1; m is the number of ligands L, where m can be 0 or ?1; o is the number of ligands K, where o can be 0 or ?1; where the sum n+m+o is dependent on the oxidation state and coordination number of the metal atom and on the denticity of the ligands carbene, L and K and also on the charge on the ligands carbene and L, with the proviso that n is at least 1, and also an OLED comprising these transition metal complexes, a light-emitting layer comprising these transition metal complexes, OLEDs comprising this light-emitting layer, devices comprising an OLED according to the present invention, and specific tr
    Type: Application
    Filed: October 14, 2010
    Publication date: March 3, 2011
    Applicant: BASF Aktiengesellschaft
    Inventors: Markus Bold, Christian Lennartz, Martina Prinz, Hans-Werner Schmidt, Mukundan Thelakkat, Markus Bäte, Christian Neuber, Wolfgang Kowalsky, Christian Schildknecht, Hans-Hermann Johannes
  • Publication number: 20110049499
    Abstract: Use of transition metal complexes of the formula (I) in organic light-emitting diodes where: M1 is a metal atom; carbene is a carbene ligand; L is a monoanionic or dianionic ligand; K is an uncharged monodentate or bidentate ligand selected from the group consisting of phosphines; CO; pyridines; nitriles and conjugated dienes which form a ? complex with M1; n is the number of carbene ligands and is at least 1; m is the number of ligands L, where m can be 0 or ?1; o is the number of ligands K, where o can be 0 or ?1; where the sum n+m+o is dependent on the oxidation state and coordination number of the metal atom and on the denticity of the ligands carbene, L and K and also on the charge on the ligands carbene and L, with the proviso that n is at least 1, and also an OLED comprising these transition metal complexes, a light-emitting layer comprising these transition metal complexes, OLEDs comprising this light-emitting layer, devices comprising an OLED according to the present invention, and specific tr
    Type: Application
    Filed: October 11, 2010
    Publication date: March 3, 2011
    Applicant: BASF Aktiengesellschaft
    Inventors: Markus BOLD, Christian Lennartz, Martina Prinz, Hans-Werner Schmidt, Mukundan Thelakkat, Markus Bäte, Christian Neuber, Wolfgang Kowalsky, Christian Schildknecht, Hans-Hermann Johannes
  • Publication number: 20110049501
    Abstract: Use of transition metal complexes of the formula (I) in organic light-emitting diodes where: M1 is a metal atom; carbene is a carbene ligand; L is a monoanionic or dianionic ligand; K is an uncharged monodentate or bidentate ligand selected from the group consisting of phosphines; CO; pyridines; nitriles and conjugated dienes which form a ? complex with M1; n is the number of carbene ligands and is at least 1; m is the number of ligands L, where m can be 0 or ?1; o is the number of ligands K, where o can be 0 or ?1; where the sum n+m+o is dependent on the oxidation state and coordination number of the metal atom and on the denticity of the ligands carbene, L and K and also on the charge on the ligands carbene and L, with the proviso that n is at least 1, and also an OLED comprising these transition metal complexes, a light-emitting layer comprising these transition metal complexes, OLEDs comprising this light-emitting layer, devices comprising an OLED according to the present invention, and specific tr
    Type: Application
    Filed: October 15, 2010
    Publication date: March 3, 2011
    Applicant: BASF Aktiengesellschaft
    Inventors: Markus BOLD, Christian Lennartz, Martina Prinz, Hans-Werner Schmidt, Mukundan Thelakkat, Markus Bäte, Christian Neuber, Wolfgang Kowalsky, Christian Schildknecht, Hans-Hermann Johannes
  • Publication number: 20110034699
    Abstract: The present invention relates to the use of transition metal-carbene complexes, in which the carbene ligand(s) is bonded to the transition metal exclusively via carbene carbon atoms, in organic light-emitting diodes, to organic light-emitting diodes comprising at least one aforementioned transition metal-carbene complex, to a light-emitting layer comprising at least one aforementioned transition metal-carbene complex, to organic light-emitting diodes comprising at least one inventive light-emitting layer, and to devices which comprise at least one inventive organic light-emitting diode.
    Type: Application
    Filed: June 25, 2007
    Publication date: February 10, 2011
    Applicant: BASF SE
    Inventors: Evelyn Fuchs, Oliver Molt, Christian Lennartz, Jens Rudolph, Klaus Kahle, Christian Schildknecht, Thomas Strassner, Nicolle Moonen
  • Publication number: 20110031477
    Abstract: The present invention relates to an organic light-emitting diode comprising an anode An and a cathode Ka and a light-emitting layer E and if appropriate at least one further layer, where the light-emitting layer E and/or the at least one further layer comprises at least one compound selected from disilylcarbazoles, disilyldibenzofurans, disilyldibenzothiophenes, disilyldibenzophospholes, disilyldibenzothiophene S-oxides and disilyldibenzothiophene S,S-dioxides, to a light-emitting layer comprising at least one of the aforementioned compounds, to the use of the aforementioned compounds as matrix material, hole/exciton blocker material, electron/exciton blocker material, hole injection material, electron injection material, hole conductor material and/or electron conductor material, and to a device selected from the group consisting of stationary visual display units, mobile visual display units and illumination units comprising at least one inventive organic light-emitting diode.
    Type: Application
    Filed: June 26, 2008
    Publication date: February 10, 2011
    Applicant: BASF SE
    Inventors: Nicolle Langer, Klaus Kahle, Christian Lennartz, Oliver Molt, Evelyn Fuchs, Jens Rudolph, Christian Schildknecht, Soichi Watanabe, Gerhard Wagenblast
  • Publication number: 20110028730
    Abstract: The use of cyclic compounds of the formula (I) where n is a number in the range from 1 to 7, X—Y—Z, in each case independently of one another, is O—C?N, N?C—O, NR5—C?N, N?C—NR5, N+R52—C?N, N?C—N+R52, O—C?N+R5, N+R5?C—O, S—C?N+R5, N+R5?C—S, S—C?N, N?C—S, R1, R2 and R3 each independently are, for example, H or a substituent or corresponding heterocyclic compounds in which at least one group —CR1?, —CR2?, CR3? is replaced by —N, R5 in each case independently are, for example, H or a substituent R7 in each case independently of one another, are H, C1-12-alkyl or C6-12-aryl, or metal complexes of the cyclic compounds or complexes of the cyclic compounds with mineral acids, chloride, sulfate, bisulfate, phosphate, hydrogen phosphate, nitrate, BF4? or methanesulfonate being present as opposite ions X? in the case of cationic cyclic structures, as light absorbers, materials for hole injection layers in OLEDs, light-emitting compounds in OLED, phase-transfer catalysts or synergistic agents for the dispersing
    Type: Application
    Filed: October 4, 2010
    Publication date: February 3, 2011
    Applicant: BASF Aktiengesellschaft
    Inventors: Martin Könemann, Thomas Geßner, Rüdiger Sens, Christian Lennartz, Günther Seybold
  • Publication number: 20100308308
    Abstract: The present invention relates to an organic light-emitting diode comprising at least one tris(diphenylamino)triazine compound with at least one alkoxy or aryloxy radical, to a light-emitting layer comprising at least one tris(diphenylamino)triazine compound with at least one alkoxy or aryloxy radical, to the use of the aforementioned compounds as a matrix material, hole/exciton blocker material, electron/exciton blocker material, hole injection material, electron injection material, hole conductor material and/or electron conductor material, and to a device selected from the group consisting of stationary visual display units, mobile visual display units and illumination units comprising at least one inventive organic light-emitting diode.
    Type: Application
    Filed: October 15, 2008
    Publication date: December 9, 2010
    Applicant: BASF SE
    Inventors: Evelyn Fuchs, Nicolle Langer, Christian Lennartz, Peter Strohriegl, Michael Rothmann
  • Patent number: 7846763
    Abstract: Use of transition metal complexes of the formula (I) in organic light-emitting diodes where: M1 is a metal atom; carbene is a carbene ligand; L is a monoanionic or dianionic ligand; K is an uncharged monodentate or bidentate ligand selected from the group consisting of phosphines; CO; pyridines; nitrites and conjugated dienes which form a ? complex with M1; n is the number of carbene ligands and is at least 1; m is the number of ligands L, where m can be 0 or ?1; o is the number of ligands K, where o can be 0 or ?1; where the sum n+m+o is dependent on the oxidation state and coordination number of the metal atom and on the denticity of the ligands carbene, L and K and also on the charge on the ligands carbene and L, with the proviso that n is at least 1, and also an OLED comprising these transition metal complexes, a light-emitting layer comprising these transition metal complexes, OLEDs comprising this light-emitting layer, devices comprising an OLED according to the present invention, and specific tr
    Type: Grant
    Filed: August 18, 2004
    Date of Patent: December 7, 2010
    Assignee: BASF Aktiengesellschaft
    Inventors: Markus Bold, Christian Lennartz, Martina Prinz, Hans-Werner Schmidt, Mukundan Thelakkat, Markus Baete, Christian Neuber, Wolfgang Kowalsky, Christian Schildknecht, Hans-Hermann Johannes
  • Publication number: 20100264405
    Abstract: Bridged cyclometalated carbene complexes, a process for preparing the bridged cyclometalated carbene complexes, the use of the bridged cyclometalated carbene complexes in organic light-emitting diodes, organic light-emitting diodes comprising at least one inventive bridged cyclometalated carbene complex, a light-emitting layer comprising at least one inventive bridged cyclometalated carbene complex, organic light-emitting diodes comprising at least one inventive light-emitting layer and devices which comprise at least one inventive organic light-emitting diode.
    Type: Application
    Filed: October 17, 2008
    Publication date: October 21, 2010
    Applicant: BASF SE
    Inventors: Oliver Molt, Christian Lennartz, Evelyn Fuchs, Klaus Kahle, Nicolle Langer, Christian Schildknecht, Jens Rudolph, Gerhard Wagenblast, Soichi Watanabe
  • Publication number: 20100258790
    Abstract: The present invention relates to an organic light-emitting diode comprising at least one diphenylaminobis(phenoxy)triazine or at least one bis(diphenylamino)phenoxytriazine compound, to a light-emitting layer comprising at least one diphenylamino-bis(phenoxy)triazine or at least one bis(diphenylamino)phenoxytriazine compound, to the use of the aforementioned compounds as a matrix material, hole/exciton blocker material, electron/exciton blocker material, hole injection material, electron injection material, hole conductor material and/or electron conductor material, and to a device selected from the group consisting of stationary visual display units, mobile visual display units and illumination units comprising at least one inventive organic light-emitting diode.
    Type: Application
    Filed: October 21, 2008
    Publication date: October 14, 2010
    Applicant: BASF SE
    Inventors: Evelyn Fuchs, Nicolle Langer, Christian Lennartz, Peter Strohriegl, Michael Rothmann
  • Publication number: 20100219403
    Abstract: The present invention relates to an organic light-emitting diode comprising an anode An and a cathode Ka and a light-emitting layer E which is arranged between the anode An and the cathode Ka and comprises at least one carbene complex and if appropriate at least one further layer, where the light-emitting layer E and/or the at least one further layer comprises at least one compound selected from disilylcarbazoles, disilyldibenzofurans, disilyldibenzothiophenes, disilyldibenzophospholes, disilyldibenzothiophene S-oxides and disilyldibenzothiophene S,S-dioxides, to a light-emitting layer comprising at least one of the aforementioned compounds and at least one carbene complex, to the use of the aforementioned compounds as matrix material, hole/exciton blocker material, electron/exciton blocker material, hole injection material, electron injection material, hole conductor material and/or electron conductor material, and to a device selected from the group consisting of stationary visual display units, mobile visu
    Type: Application
    Filed: June 25, 2008
    Publication date: September 2, 2010
    Applicant: BASF SE
    Inventors: Nicolle Langer, Klaus Kahle, Christian Lennartz, Oliver Molt, Evelyn Fuchs, Jens Rudolph, Christian Schildknecht, Soichi Watanabe, Gerhard Wagenblast
  • Publication number: 20100219406
    Abstract: The present invention relates to the use of (hetero)aryl-substituted acridine derivatives as matrix materials in a light-emitting layer of organic light-emitting diodes (OLEDs) and/or in a blocking layer for electrons in organic light-emitting diodes. The present invention further relates to a light-emitting layer which comprises at least one emitter material and at least one matrix material, wherein the matrix material used is at least one (hetero)aryl-substituted acridine derivative, and to an organic light-emitting diode which comprises at least one inventive light-emitting layer, to an organic light-emitting diode which comprises at least one acridine derivative of the formula (I) in a blocking layer for electrons, and to a device selected from stationary and mobile visual display units and illumination units which comprise at least one inventive organic light-emitting diode.
    Type: Application
    Filed: September 26, 2008
    Publication date: September 2, 2010
    Applicant: BASF SE
    Inventors: Klaus Kahle, Oliver Molt, Nicolle Langer, Christian Lennartz, Christian Schildknecht, Simon Nord, Evelyn Fuchs, Jens Rudolph