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: 20230380277
    Abstract: The present invention relates to organic light emitting elements, comprising thermally activated delayed fluorescence (TADF) emitters and/or hosts of formula which have a sufficiently small energy gap between S1 and T1 (?EST) to enable up-conversion of the triplet exciton from T1 to S1. The organic light emitting elements show high electroluminescent efficiency.
    Type: Application
    Filed: July 14, 2023
    Publication date: November 23, 2023
    Inventors: Junichi Tanabe, Christian Lennartz
  • Patent number: 11765967
    Abstract: The present invention relates to organic light-emitting devices comprising (a) an anode, (i) a cathode, and (e) an emitting layer between the anode and cathode, comprising 2 to 40% by weight of a triplet emitter X having a difference of the singlet energy (ES1(X)) and the triplet energy (ET1(X)) of less than or equal to 0.4 eV [?(ES1(X))?(ET1(X))?0.4 eV], 0.05 to 5.0% by weight of a fluorescent emitter Y and 55 to 97.95% by weight of a host compound(s), wherein the amount of the triplet emitter X, the fluorescent emitter Y and the host compound(s) adds up to a total of 100% by weight and the singlet energy of the triplet emitter X (ES1(X)) is greater than the singlet energy of the fluorescent emitter Y (ES1(Y)) [(ES1(X))>ES1(Y)].
    Type: Grant
    Filed: July 1, 2021
    Date of Patent: September 19, 2023
    Assignee: UDC IRELAND LIMITED
    Inventors: Christian Lennartz, Stefan Metz, Korinna Dormann, Gerhard Wagenblast, Ute Heinemeyer, Hannah Mangold, Minlu Zhang, Thomas Holcombe
  • Patent number: 11756226
    Abstract: Described herein is a detector for determining a position of an object. The detector includes a sensor element having a matrix of optical sensors, each designed to generate a sensor signal in response to an illumination of its light-sensitive area by a light beam propagating from the object to the detector. The detector also includes an evaluation device configured to select a region of interest of the matrix, respectively determine a sensor signal of at least two optical sensors of the region of interest, and determine a longitudinal coordinate zDPR of the object by evaluating a combined sensor signal Q. The evaluation device is also configured to determine an image of the region of interest from the sensor signals, determine a longitudinal coordinate zDFD of the object by optimizing at least one blurring function fa, and determine combined distance information z considering the longitudinal coordinates zDPR and zDFD.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: September 12, 2023
    Inventors: Robert Send, Patrick Schindler, Celal Mohan Oeguen, Peter Schillen, Christian Lennartz
  • Patent number: 11744152
    Abstract: A compound of the general formula a process for the production of the compound and its use in electronic devices, especially electroluminescent devices. Improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices are provided when the compound of formula I is used as host material for phosphorescent emitters in electroluminescent devices.
    Type: Grant
    Filed: December 1, 2020
    Date of Patent: August 29, 2023
    Assignee: UDC IRELAND LIMITED
    Inventors: Thomas Schaefer, Flavio Luiz Benedito, Ute Heinemeyer, Nicolle Langer, Heinz Wolleb, Teresa Marina Figueira Duarte, Soichi Watanabe, Christian Lennartz, Gerhard Wagenblast, Annemarie Wolleb, Kristina Bardon
  • Publication number: 20230266467
    Abstract: Disclosed herein is a detector for determining a position of at least one object. The detector includes at least one projector for illuminating the object, at least one sensor element, and at least one evaluation device.
    Type: Application
    Filed: May 3, 2023
    Publication date: August 24, 2023
    Inventors: Patrick SCHINDLER, Peter SCHILLEN, Benjamin REIN, Christian LENNARTZ, Lars DIESSELBERG, Hamid Muhammed HAMED
  • Patent number: 11706978
    Abstract: The present invention relates to organic light emitting elements, comprising thermally activated delayed fluorescence (TADF) emitters and/or hosts of formula which have a sufficiently small energy gap between S1 and T1 (?EST) to enable up-conversion of the triplet exciton from T1 to S1. The organic light emitting elements show high electroluminescent efficiency.
    Type: Grant
    Filed: February 18, 2020
    Date of Patent: July 18, 2023
    Assignee: UDC IRELAND LIMITED
    Inventors: Junichi Tanabe, Christian Lennartz
  • Patent number: 11698435
    Abstract: A detector (110, 1110, 2110) for determining a position of at least one object (112) is proposed. The detector (110, 1110, 2110) comprises: at least one transfer device (128, 1128), wherein the transfer device (128, 1128) has at least one focal length in response to at least one incident light beam (116, 1116) propagating from the object (112, 1112) to the detector (110, 1110, 2110); at least two optical sensors (113, 1118, 1120), wherein each optical sensor (113, 1118, 1120) has at least one light sensitive area (121, 1122, 1124), wherein each optical sensor (113, 1118, 1120) is designed to generate at least one sensor signal in response to an illumination of its respective light-sensitive area by the light beam (116, 1116), at least one evaluation device (132, 1132) being configured for determining at least one longitudinal coordinate z of the object (112, 1112) by evaluating a quotient signal Q from the sensor signals.
    Type: Grant
    Filed: July 12, 2022
    Date of Patent: July 11, 2023
    Assignee: TRINAMIX GMBH
    Inventors: Michael Eberspach, Thomas Ohmer, Robert Send, Christian Lennartz, Christopher Hahne, Stefan Hengen, Sebastian Valouch, Christoph Lungenschmied, Ingmar Bruder, Wilfried Hermes, Celal Mohan Oeguen, Christian Daniel Schildknecht, Peter Schillen, Patrick Schindler, Peter Fejes
  • Publication number: 20230213610
    Abstract: A detector for object authentication includes first and second illumination sources. The first illumination source projects an illumination pattern including a plurality of illumination features onto a surface of an object. The second illumination source projects an illuminating light beam onto the object. The detector also includes an image capture device for determining a first image including a plurality of reflection features generated by the surface of the object in response to the illumination pattern and for determining a second image including two dimensional information associated with the surface of the object generated in response to the illuminating light beam. The detector also includes an evaluation device for evaluating the first image and the second image, identifying a geometrical feature of the object, determining a material property of the object, and comparing the two dimensional information to data stored in a database for authentication of the object.
    Type: Application
    Filed: December 30, 2022
    Publication date: July 6, 2023
    Inventors: Michael EBERSPACH, Thomas OHMER, Robert SEND, Christian LENNARTZ, Christopher HAHNE, Stefan HENGEN, Sebastian VALOUCH, Christoph LUNGENSCHMIED, Ingmar BRUDER, Wilfried HERMES, Celal Mohan OEGUEN, Christian Daniel SCHILDKNECHT, Peter SCHILLEN, Patrick SCHINDLER, Peter FEJES
  • Patent number: 11692131
    Abstract: The present invention relates to heteroleptic carbene complexes comprising at least two different carbene ligands, to a process for preparing the heteroleptic carbene complexes, to the use of the heteroleptic carbene complexes in organic light-emitting diodes, to organic light-emitting diodes comprising at least one inventive heteroleptic carbene complex, to a light-emitting layer comprising at least one inventive heteroleptic 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: Grant
    Filed: July 1, 2019
    Date of Patent: July 4, 2023
    Assignee: UDC IRELAND LIMITED
    Inventors: Evelyn Fuchs, Martina Egen, Klaus Kahle, Christian Lennartz, Oliver Molt, Simon Nord, Wolfgang Kowalsky, Christian Schildknecht, Hans-Hermann Johannes
  • Patent number: 11668828
    Abstract: A detector for determining a position of at least one object is provided. The detector includes an evaluation device adapted to select at least one reflection feature of a reflection image, wherein the evaluation device is configured for determining at least one longitudinal region of the selected reflection feature of the reflection image by evaluating a combined signal Q from the sensor signals, wherein the evaluation device is adapted to determine at least one displacement region in at least one reference image corresponding to the longitudinal region, wherein the evaluation device is adapted to match the selected reflection feature with at least one reference feature within the displacement region.
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: June 6, 2023
    Assignee: TRINAMIX GMBH
    Inventors: Patrick Schindler, Peter Schillen, Michael Eberspach, Christian Lennartz, Robert Send, Ingmar Bruder, Heiko Hengen, Lars Diesselberg
  • Publication number: 20230161041
    Abstract: Disclosed herein is a detector for determining a position of at least one object . The detector includes at least one projector for illuminating the object, at least one sensor element, and at least one evaluation device.
    Type: Application
    Filed: April 21, 2021
    Publication date: May 25, 2023
    Inventors: Patrick SCHINDLER, Peter SCHILLEN, Benjamin REIN, Christian LENNARTZ, Lars DIESSELBERG, Hamid Muhammed HAMED
  • Patent number: 11635486
    Abstract: A detector (110) for determining a position of at least one object (112) is proposed. The detector (110) comprises: —at least two optical sensors (118, 120, 176), each optical sensor (118, 120, 176) having a light-sensitive area (122, 124), wherein each light-sensitive area (122, 124) has a geometrical center (182, 184), wherein the geometrical centers (182, 184) of the optical sensors (118, 120, 176) are spaced apart from an optical axis (126) of the detector (110) by different spatial offsets, wherein each optical sensor (118, 120, 176) is configured to generate a sensor signal in response to an illumination of its respective light-sensitive area (122, 124) by a light beam (116) propagating from the object (112) to the detector (110); and—at least one evaluation device (132) being configured for determining at least one longitudinal coordinate z of the object (112) by combining the at least two sensor signals.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: April 25, 2023
    Assignee: TRINAMIX GMBH
    Inventors: Christian Schildknecht, Christoph Lungenschmied, Ingmar Bruder, Michael Eberspach, Peter Fejes, Robert Send, Sebastian Valouch, Thomas Ohmer, Wilfried Hermes, Stefan Hengen, Christian Lennartz
  • Publication number: 20230108701
    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; 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 tran
    Type: Application
    Filed: December 2, 2022
    Publication date: April 6, 2023
    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: 20230090208
    Abstract: The present invention relates to compounds of formula a process for their production and their use in electronic devices, especially electroluminescent devices. When used as host material for phasphorescent emitters in electroluminescent devices, the compounds of formula I may provide improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices.
    Type: Application
    Filed: June 8, 2022
    Publication date: March 23, 2023
    Inventors: Thomas Schaefer, Teresa Marina Figueira Duarte, Christian Schildknecht, Nicolle Langer, Ute Heinemeyer, Heinz Wolleb, Soichi Watanabe, Christian Lennartz, Gerhard Wagenblast, Annemarie Wolleb, Kristina Bardon, Flavio Luiz Benedito
  • Publication number: 20230081742
    Abstract: Disclosed herein is a detector for gesture detection including an illumination source configured for projecting an illumination pattern including a plurality of illumination features on an area including an object, where the object includes at least partially a human hand.
    Type: Application
    Filed: February 26, 2021
    Publication date: March 16, 2023
    Inventors: Jakob UNGER, Peter SCHILLEN, Patrick SCHINDLER, Christian LENNARTZ, Robert SEND
  • Patent number: 11605790
    Abstract: An organic electronic device, preferably an organic light-emitting diode (OLED), comprising at least one metal-carbene complex comprising one, two or three specific bidentate diazabenzimidazole carbene ligands; a light-emitting layer comprising said metal-carbene complex as emitter material, preferably in combination with at least one host material; the use of said metal-carbene complex in an OLED; an apparatus selected from the group consisting of stationary visual display units, mobile visual display units, illumination units, units in items of clothing, units in handbags, units in accessories, units in furniture and units in wallpaper comprising said organic electronic device, preferably said OLED, or said light-emitting layer; the metal-carbene complex comprising one, two or three specific bidentate diazabenzimidazole carbene ligands mentioned above and a process for the preparation of said metal-carbene complex.
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: March 14, 2023
    Assignee: UDC Ireland Limited
    Inventors: Peter Murer, Korinna Dormann, Flavio Luiz Benedito, Glauco Battagliarin, Stefan Metz, Ute Heinemeyer, Christian Lennartz, Gerhard Wagenblast, Soichi Watanabe, Thomas Geßner
  • Publication number: 20230026258
    Abstract: The present invention relates to metal-carbene complexes comprising a central atom selected from iridium and platinum, and diazabenzimidazolocarbene ligands, to organic light diodes which comprise such complexes, to light-emitting layers comprising at least one such metal-carbene complex, to a device selected from the group comprising illuminating elements, stationary visual display units and mobile visual display units comprising such an OLED and to the use of such a metal-carbene complex in OLEDs, for example as emitter, matrix material, charge transport material and/or charge or exciton blocker.
    Type: Application
    Filed: August 31, 2022
    Publication date: January 26, 2023
    Inventors: Oliver Molt, Nicolle Langer, Evelyn Fuchs, Korinna Dormann, Christian Schildknecht, Soichi Watanabe, Gerhard Wagenblast, Christian Lennartz, Thomas Schaefer, Heinz Wolleb, Teresa Marina Figueira Duarte, Stefan Metz, Peter Murer
  • Patent number: 11539005
    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: Grant
    Filed: February 24, 2020
    Date of Patent: December 27, 2022
    Assignee: UDC IRELAND LIMITED
    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: 20220373641
    Abstract: A detector (110, 1110, 2110) for determining a position of at least one object (112) is proposed. The detector (110, 1110, 2110) comprises: at least one transfer device (128, 1128), wherein the transfer device (128, 1128) has at least one focal length in response to at least one incident light beam (116, 1116) propagating from the object (112, 1112) to the detector (110, 1110, 2110); at least two optical sensors (113, 1118, 1120), wherein each optical sensor (113, 1118, 1120) has at least one light sensitive area (121, 1122, 1124), wherein each optical sensor (113, 1118, 1120) is designed to generate at least one sensor signal in response to an illumination of its respective light-sensitive area by the light beam (116, 1116), at least one evaluation device (132, 1132) being configured for determining at least one longitudinal coordinate z of the object (112, 1112) by evaluating a quotient signal Q from the sensor signals.
    Type: Application
    Filed: July 12, 2022
    Publication date: November 24, 2022
    Inventors: Michael EBERSPACH, Thomas OHMER, Robert SEND, Christian LENNARTZ, Christopher HAHNE, Stefan HENGEN, Sebastian VALOUCH, Christoph LUNGENSCHMIED, Ingmar BRUDER, Wilfried HERMES, Celal Mohan OEGUEN, Christian Daniel SCHILDKNECHT, Peter SCHILLEN, Patrick SCHINDLER, Peter FEJES
  • Patent number: 11448762
    Abstract: A range finder for determining at least one geometric information about at least one object is proposed that includes at least one illumination source adapted to generate at least one illumination pattern, wherein the illumination source is adapted to illuminate the object with the illumination pattern under an angle of inclination; at least one optical sensor having at least one light sensitive area, wherein the optical sensor is designed to generate at least one image matrix in response to an illumination of its light sensitive area by at least one reflection pattern originating from the object; at least one evaluation device being configured for determining the geometric information about the object from the reflection pattern by evaluating the image matrix assuming at least one geometrical constellation to be present in the reflection pattern.
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: September 20, 2022
    Assignee: TRINAMIX GMBH
    Inventors: Patrick Schindler, Peter Schillen, Michael Eberspach, Christian Lennartz, Robert Send, Ingmar Bruder