Patents by Inventor Udo KARBOWSKI
Udo KARBOWSKI 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).
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Publication number: 20230417387Abstract: A flexible three dimensional display assembly is provided. The flexible display assembly includes electrically interconnected light emitting elements, a flexible lattice fixture and a display bezel. The light emitting elements are electrically interconnected by a system of conductors. The light emitting elements are coupled to the flexible lattice fixture by an arrangement of structurally interconnected framing cells that receive pairs of the light emitting elements. The flexible lattice fixture is secured to the substrate of the display bezel such that the pairs of light emitting elements are maintained in optical alignment with corresponding pairs of apertures of the display bezel.Type: ApplicationFiled: June 23, 2023Publication date: December 28, 2023Applicant: LUMILEDS LLCInventors: Barbara Roswitha Mülders, Udo Karbowski
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Publication number: 20230403771Abstract: A LED controller for an LED pixel array includes an image frame buffer to receive image data and a standby image buffer connected to the image frame buffer to hold a standby image. A command and control module connected is configured to substitute the standby image in the standby image buffer for the image in the image frame buffer when image data is unavailable.Type: ApplicationFiled: June 8, 2023Publication date: December 14, 2023Inventors: Ronald Johannes Bonne, Udo Karbowski
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Patent number: 11723123Abstract: A LED controller for an LED pixel array includes an image frame buffer to receive image data and a standby image buffer connected to the image frame buffer to hold a standby image. A command and control module connected is configured to substitute the standby image in the standby image buffer for the image in the image frame buffer when image data is unavailable.Type: GrantFiled: June 8, 2021Date of Patent: August 8, 2023Assignee: Lumileds LLCInventors: Ronald Johannes Bonne, Udo Karbowski
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Publication number: 20230199930Abstract: A lighting unit includes a power supply that provides a maximum voltage and multiple LED lighting circuits. Each of the LED lighting circuits includes an LED string, multiple switches, a switching sequencer and a switch controller. The LED string includes multiple series-connected emitters having a total forward voltage that exceeds the maximum voltage of the power supply. Each of the switches is coupled in parallel with a respective LED of the LED string. The switching sequencer provides a sequence of switching patterns such that a total forward voltage of simultaneously active LEDs in each switching pattern does not exceed the maximum voltage of the power supply. The switch controller actuates switches according to each of the switching patterns in the sequence. The LED string of each of the plurality of LED lighting circuits is arranged in a two-dimensional array.Type: ApplicationFiled: May 17, 2021Publication date: June 22, 2023Applicant: LUMILEDS LLCInventors: Christian KALKSCHMIDT, Udo KARBOWSKI
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Patent number: 11359774Abstract: The invention describes a flexible lighting strip comprising a multitude of light-emitting diodes arranged in at least two groups. Each group comprises at least two light-emitting diodes arranged in an electrical series connection. The at least two groups are arranged in parallel to an anode track and a cathode track. The at least two groups are arranged in a longitudinal arrangement such that a last light-emitting diode of a first group is arranged next to a first light-emitting diode of a second group. The anode track and the cathode track each consist of a wire line having substantially circular wires that are bent to receive compressive and/or tensile stress. The electrical circuit provides a third wire line having a substantially circular wire as a center line arranged between the outer lines. At least one light-emitting diode of every group is mounted on an interposer which contracts all three wire lines.Type: GrantFiled: July 18, 2018Date of Patent: June 14, 2022Assignee: Lumileds LLCInventors: Christian Kleijnen, Barbara Muelders, Lex Kosowsky, Manuel Grave, Udo Karbowski, Georg Henninger, S. Rao Peddada
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Patent number: 11333338Abstract: Lighting device, in particular for automotive lighting applications, comprising a plurality of lighting elements arranged in one or more rows in order to form a luminous band, wherein each lighting element comprises at least one or more light emitting diodes (LEDs). The plurality of lighting elements is divided into one or more segments, wherein the lighting elements within each segment are electrically connected in series or in parallel. The lighting device further comprises at least one contacting element providing current for the plurality of lighting elements, wherein at least a first contacting element provides current for a first group of segments such that groups of lighting elements are independently and dynamically controlled.Type: GrantFiled: July 2, 2020Date of Patent: May 17, 2022Assignee: LUMILEDS LLCInventors: Manuel Grave, Christian Kleijnen, Udo Karbowski
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Patent number: 11284489Abstract: An LED lighting package is described that contains a first LED string with a plurality of series-connected light-emitting diodes and a first linear regulator arranged to determine the current through the first LED string. At least one further LED string includes a plurality of series-connected light-emitting diodes of a different color, and a further linear regulator is arranged to determine the current through that LED string. The different colored LED strings are connected in parallel. A common voltage supply is used for the LED strings. The number of light-emitting diodes in the first LED string exceeds the number of light-emitting diodes in each further LED string (, and the number of light-emitting diodes in each LED string is chosen such that the total forward voltage of a further LED string is essentially the same as the total forward voltage of the first LED string.Type: GrantFiled: November 18, 2020Date of Patent: March 22, 2022Assignee: Lumileds LLCInventors: Manuel Grave, Udo Karbowski
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Publication number: 20210298138Abstract: A LED controller for an LED pixel array includes an image frame buffer to receive image data and a standby image buffer connected to the image frame buffer to hold a standby image. A command and control module connected is configured to substitute the standby image in the standby image buffer for the image in the image frame buffer when image data is unavailable.Type: ApplicationFiled: June 8, 2021Publication date: September 23, 2021Inventors: Ronald Johannes Bonne, Udo Karbowski
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Patent number: 11083055Abstract: A LED controller for an LED pixel array includes an image frame buffer to receive image data and a standby image buffer connected to the image frame buffer to hold a standby image. A command and control module connected is configured to substitute the standby image in the standby image buffer for the image in the image frame buffer when image data is unavailable.Type: GrantFiled: June 28, 2019Date of Patent: August 3, 2021Assignee: Lumileds LLCInventors: Ronald Bonne, Udo Karbowski
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Patent number: 11031579Abstract: The invention describes a method of manufacturing an OLED device (1) comprising an OLED (10) and an integrated negative overvoltage protection diode (11), which method comprises at least the steps of: depositing a first OLED electrode (100) and a separate second OLED electrode contact (101C) on a carrier (12), which second OLED electrode contact (101C) incorporates a first overvoltage protection diode electrode (110); depositing an organic material layer stack (14) to define an active region (14OLED) of the OLED (10) and an active region (14OPD) of the overvoltage protection diode (11); depositing a second OLED electrode (101) to extend over the active region (14OLED) of the OLED (10) and the second OLED electrode contact (101C); and depositing a second overvoltage protection diode electrode (111) to extend over the active region (14OPD) of the overvoltage protection diode (11) and the first OLED electrode (100).Type: GrantFiled: September 14, 2018Date of Patent: June 8, 2021Assignee: LUMILEDS LLCInventors: Florent Monestier, Udo Karbowski
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Patent number: 11028981Abstract: Lighting device, in particular for automotive applications, comprising a plurality of lighting elements, wherein each lighting element comprises at least one or more light emitting diodes (LEDs). The lighting device comprises a first connector for connecting the lighting device to a lighting driver. The lighting elements are arranged in a row in order to form a luminous band. The plurality of lighting elements is divided into more than one group, each group consisting of at least one or more lighting elements. The lighting elements of one group are electrically connected in series. The groups are electrically connected in parallel in order to control each group individually.Type: GrantFiled: February 11, 2020Date of Patent: June 8, 2021Assignee: Lumileds LLCInventors: Udo Karbowski, Christian Kleijnen, Josef Schug
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Publication number: 20210153322Abstract: An LED lighting package is described that contains a first LED string with a plurality of series-connected light-emitting diodes and a first linear regulator arranged to determine the current through the first LED string. At least one further LED string includes a plurality of series-connected light-emitting diodes of a different color, and a further linear regulator is arranged to determine the current through that LED string. The different colored LED strings are connected in parallel. A common voltage supply is used for the LED strings. The number of light-emitting diodes in the first LED string exceeds the number of light-emitting diodes in each further LED string (, and the number of light-emitting diodes in each LED string is chosen such that the total forward voltage of a further LED string is essentially the same as the total forward voltage of the first LED string.Type: ApplicationFiled: November 18, 2020Publication date: May 20, 2021Inventors: Manuel Grave, Udo Karbowski
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Patent number: 10976041Abstract: The invention relates to a lighting device comprising at least two light-emitting elements and a method of producing a lighting device. The light-emitting elements are connected with each other into a module via a connection element. The connection element has at least one region spaced apart from the at least two light-emitting elements. At least two modules are connected with each other in parallel. The at least one region of the connection element has a specific electrical resistance that compensate differences between electrical characteristics of at least two light-emitting elements.Type: GrantFiled: January 7, 2020Date of Patent: April 13, 2021Assignee: Lumileds LLCInventors: Manuel Grave, Udo Karbowski
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Patent number: 10932336Abstract: A LED controller for an LED pixel array includes a serial interface to an external data bus, along with an address generator connected to the serial interface and the LED pixel array. An image frame buffer is connected to the interface to receive image data and further connected to the address generator to receive an image frame buffer address. A command and control module is connected to the serial interface and configured to modify image frame buffer output signals. A calibration data storage module is connected to the command and control module to store calibration data related to pixel voltage response in the LED pixel array.Type: GrantFiled: June 28, 2019Date of Patent: February 23, 2021Assignee: Lumileds LLCInventors: Ronald Bonne, Udo Karbowski
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Patent number: 10893585Abstract: A LED controller for an LED pixel array includes a serial interface to an external data bus, along with an address generator connected to the serial interface and the LED pixel array. An image frame buffer is connected to the interface to receive image data and further connected to the address generator to receive an image frame buffer address. A command and control module is connected to the serial interface and configured to modify image frame buffer output signals. A calibration data storage module is connected to the command and control module to store calibration data related to pixel voltage response in the LED pixel array.Type: GrantFiled: June 28, 2019Date of Patent: January 12, 2021Assignee: Lumileds LLCInventors: Ronald Bonne, Udo Karbowski
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Publication number: 20210003275Abstract: Lighting device, in particular for automotive lighting applications, comprising a plurality of lighting elements arranged in one or more rows in order to form a luminous band, wherein each lighting element comprises at least one or more light emitting diodes (LEDs). The plurality of lighting elements is divided into one or more segments, wherein the lighting elements within each segment are electrically connected in series or in parallel. The lighting device further comprises at least one contacting element providing current for the plurality of lighting elements, wherein at least a first contacting element provides current for a first group of segments such that groups of lighting elements are independently and dynamically controlled.Type: ApplicationFiled: July 2, 2020Publication date: January 7, 2021Applicant: LUMILEDS HOLDING B.V.Inventors: Manuel GRAVE, Christian KLEIJNEN, Udo KARBOWSKI
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Publication number: 20200274111Abstract: The invention describes a method of manufacturing an OLED device (1) comprising an OLED (10) and an integrated negative overvoltage protection diode (11), which method comprises at least the steps of: depositing a first OLED electrode (100) and a separate second OLED electrode contact (101C) on a carrier (12), which second OLED electrode contact (101C) incorporates a first overvoltage protection diode electrode (110); depositing an organic material layer stack (14) to define an active region (14OLED) of the OLED (10) and an active region (14OPD) of the overvoltage protection diode (11); depositing a second OLED electrode (101) to extend over the active region (14OLED) of the OLED (10) and the second OLED electrode contact (101C); and depositing a second overvoltage protection diode electrode (111) to extend over the active region (14OPD) of the overvoltage protection diode (11) and the first OLED electrode (100).Type: ApplicationFiled: September 14, 2018Publication date: August 27, 2020Inventors: Florent Monestier, Udo Karbowski
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Publication number: 20200256527Abstract: Lighting device, in particular for automotive applications, comprising a plurality of lighting elements, wherein each lighting element comprises at least one or more light emitting diodes (LEDs). The lighting device comprises a first connector for connecting the lighting device to a lighting driver. The lighting elements are arranged in a row in order to form a luminous band. The plurality of lighting elements is divided into more than one group, each group consisting of at least one or more lighting elements. The lighting elements of one group are electrically connected in series. The groups are electrically connected in parallel in order to control each group individually.Type: ApplicationFiled: February 11, 2020Publication date: August 13, 2020Inventors: Udo Karbowski, Christian Kleijnen, Josef Schug
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Patent number: 10736198Abstract: A lighting system includes a plurality of lighting units. Each lighting unit includes a unit control circuit and a lighting element. The unit control circuit is disposed to store at least one lighting scenario. The lighting scenario comprises a succession of settings of intensity and/or color of the lighting element. A system control circuit is disposed to transmit an execute signal to one or more of the lighting units. The unit control circuit is disposed to control, upon reception of the execute signal, the lighting element according to the lighting scenario. The lighting units are connected to a common electrical power supply via two conductors. The execute signal is transmitted from the system control circuit to the lighting units wirelessly or via the two conductors.Type: GrantFiled: July 16, 2019Date of Patent: August 4, 2020Assignee: Lumileds Holding B.V.Inventors: Manuel Grave, Udo Karbowski, Nikolai Timm
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Publication number: 20200217492Abstract: The invention relates to a lighting device comprising at least two light-emitting elements and a method of producing a lighting device. The light-emitting elements are connected with each other into a module via a connection element. The connection element has at least one region spaced apart from the at least two light-emitting elements. At least two modules are connected with each other in parallel. The at least one region of the connection element has a specific electrical resistance that compensate differences between electrical characteristics of at least two light-emitting elements.Type: ApplicationFiled: January 7, 2020Publication date: July 9, 2020Applicant: LUMILEDS HOLDING B.V.Inventors: Manuel GRAVE, Udo KARBOWSKI