Patents Assigned to Ledvance GmbH
  • Patent number: 11968757
    Abstract: A lighting device for generating a white mixed light having controllable spectral characteristics is provided. The lighting device comprises a number of white light sources for each making a contribution to the white mixed light by generating a white light with a respective spectral expression in each case that can be quantitatively characterized, so that the white lights generated by the white light sources can form corner points of a target range for the resulting mixed light in a spectral light parameter space. The lighting device further comprises control electronics for controlling proportional contributions of the white light sources so that the position corresponding to the resulting mixed white light can be varied within the target area spanned on the corner points in the spectral light parameter space.
    Type: Grant
    Filed: January 27, 2023
    Date of Patent: April 23, 2024
    Assignee: LEDVANCE GmbH
    Inventor: Krister Bergenek
  • Patent number: 11933478
    Abstract: A main unit of a lighting device with expandable functionality. The main unit includes at least one light source, driver electronics, and a housing with an at least partially light-permeable housing wall. The main unit further includes a coupling element for forming a wireless coupling interface to an extension unit, wherein the coupling element is located within the housing and is designed such that the wireless coupling between the main unit and the extension unit through the partially light-permeable housing wall is carried out. Furthermore, an extension unit and a lighting device are provided.
    Type: Grant
    Filed: May 5, 2021
    Date of Patent: March 19, 2024
    Assignee: LEDVANCE GMBH
    Inventors: Alexander Niggebaum, Krister Bergenek
  • Patent number: 11898743
    Abstract: A lighting system has at least one light fixture and a control device. The at least one light fixture has light parameters. The control device is in communication with the at least one light fixture. The control device has a plurality of one-dimensional user setting, a predetermined sequence of light parameters as a function of time, and an adjustment to the predetermined sequence as a function of a selected one-dimensional user setting.
    Type: Grant
    Filed: February 1, 2022
    Date of Patent: February 13, 2024
    Assignee: LEDVANCE GMBH
    Inventors: Dieter Lang, Enzo Peres, Timo Weinert
  • Patent number: 11892128
    Abstract: An illumination device having a housing extending in the longitudinal direction and a light engine with a leadframe and a plurality of semiconductor lighting elements is arranged on the leadframe. The housing has a clamping device and that the light engine is retained in the clamping device. The housing and the clamping device may be integrally formed.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: February 6, 2024
    Assignee: LEDVANCE GMBH
    Inventors: Georg Rosenbauer, Christoph Krieglmeyer, Dominik Tiefel
  • Patent number: 11885483
    Abstract: A base module of an electronic device is adapted to provide a basic functionality, wherein the base module comprises a connection device for electrically contacting the base module, and wherein the connection device is adapted to establish an electrical connection between the base module and an extension module for functional extension of the base module, so that the base module may be electrically contacted through the extension module. Furthermore, an extension module and an electronic device with extended functionality are proposed.
    Type: Grant
    Filed: March 3, 2021
    Date of Patent: January 30, 2024
    Assignee: LEDVANCE GMBH
    Inventors: Dominik Tiefel, Michael Koch, Johann Asam, Lambert Frye
  • Patent number: 11879622
    Abstract: A driver for driving a light engine of a luminaire is provided. The driver comprises a driver assembly with a driver circuit for converting an input current provided by a power supply into an output current for driving the light engine, a housing for receiving the driver assembly, and a driver interface being detachably engageable with a driver bracket. The driver interface comprises a mechanical interface for mechanically coupling the driver to a mechanical interface of the driver bracket and an electrical interface for electrically coupling the driver to an electrical interface of the driver bracket in such a way that the input current from the power supply to the driver circuit and the output current from the driver circuit to the light engine can flow via the driver interface. Further, a driver bracket and a luminaire are provided.
    Type: Grant
    Filed: January 18, 2022
    Date of Patent: January 23, 2024
    Assignee: LEDVANCE GMBH
    Inventors: Tianzheng Jiang, Yonggang Xiao
  • Patent number: 11818816
    Abstract: A driver expansion module for retrofitting a driver with at least one adjustable output parameter is provided. The driver expansion module comprises an interface for connecting the driver expansion module to the driver, and a control unit, wherein the control unit is configured to send a control signal to a control input of the driver to adjust the at least one output parameter of the driver. A driver is further provided, as well as a driver system and a light management system.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: November 14, 2023
    Assignee: LEDVANCE GMBH
    Inventors: Alexander Niggebaum, Krister Bergenek, David Chilachava
  • Patent number: 11812529
    Abstract: An electronic driver for transforming an electronic ballast input voltage into an operating voltage for an LED lighting module. The driver includes a flicker eliminating circuit, which is adapted to operate in a saturation mode when the input voltage is below a threshold voltage. It operates in a switch mode when the input voltage is above a threshold voltage. A voltage drop in the flicker eliminating circuit in the saturation mode is higher than in the switch mode.
    Type: Grant
    Filed: August 15, 2022
    Date of Patent: November 7, 2023
    Assignee: LEDVANCE GMBH
    Inventors: Zhifeng Li, Hui Ye
  • Patent number: 11808413
    Abstract: A lamp base includes a housing for at least partial accommodation of a carrier for a light source. Two mutually-opposing guide rails are provided in the housing for the form-fitted insertion of the carrier. The technology is particularly applicable to carriers with LEDs as light sources and addresses problems with adhesive or soldered attachment of the light source carrier.
    Type: Grant
    Filed: March 31, 2022
    Date of Patent: November 7, 2023
    Assignee: LEDVANCE GMBH
    Inventors: Peter Hollaender, Max Zimmermann, Ulrich Biebel
  • Patent number: 11805579
    Abstract: A light fixture having at least one LED and at least one filament, wherein the at least one filament is connected in series to the at least one LED. A current supplied to the at least one LED in the light fixture is regulated by the electrical properties of the at least one filament. Thus the at least one LED in the light fixture can be run without an electrical driver.
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: October 31, 2023
    Assignee: LEDVANCE GMBH
    Inventors: Tony Albrecht, Markus Hofmann
  • Patent number: 11804980
    Abstract: An extension module for function extension of a network assembly is provided, wherein the network assembly has a communication bus for providing communication between a logic unit of a base module of the network assembly and one or more extension modules, in particular one or more function devices and/or communication modules, and wherein the extension module is designed to be connected to the communication bus of the network assembly for function extension or function provision of the network assembly in order to provide at least one additional function of an electrical load connected to the network assembly.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: October 31, 2023
    Assignee: LEDVANCE GMBH
    Inventors: Philipp Klier, Alexander Niggebaum, David Chilachava
  • Patent number: 11800618
    Abstract: A lighting device including an LED light source, wherein the LED light source includes a first LED strand for generating a first light with a first correlated color temperature and a second LED strand for generating a second light with a second color temperature different from the first color temperature. The lighting device further comprises control electronics with a controllable LED driver for driving the LED light source, wherein the control electronics comprise a switch for switching between the first LED strand and the second LED strand so that either the first LED strand or the second LED strand is activated depending on the switch position. A lighting system comprising the lighting device is further disclosed.
    Type: Grant
    Filed: May 31, 2022
    Date of Patent: October 24, 2023
    Assignee: LEDVANCE GMBH
    Inventors: Patrick Kotal, Krister Bergenek, Shijun Nie
  • Patent number: 11758400
    Abstract: A commissioning tool for granting a network joining permit to network devices for joining a network includes a network install code generating unit for generating network install codes (NICs), a memory unit configured to save the NICs, a transmitter configured to transmit the NICs generated by the network install code generating unit to network devices and a network coordinating device. The commissioning tool also includes a user inter-face configured to receive user commands to transmit the NICs generated by the network install code generation unit, and a network control unit, the network control unit being in functional communication with the memory unit, the transmitter and the user interface. The network control unit is configured to instruct the transmitter to transmit the NICs upon receiving a command from the user over the user interface.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: September 12, 2023
    Assignee: LEDVANCE GMBH
    Inventors: Huajin Huang, Li Lu, Wuqiang Liao, Jie Zeng
  • Patent number: 11757758
    Abstract: A method and a system for forming a device network is provided. The method comprises providing a plurality of network devices and a plurality of gateways in a physical environment, collecting position data of the plurality of gateways, selecting a network device out of the plurality of network devices, and selecting a first gateway based on the position data. The method further comprises connecting the network device to the first gateway, if the total number of the network devices connected to the first gateway does not exceed a predefined maximum number of network devices per gateway, and selecting a second gateway based on the position data and connecting the network device to the second gateway, if the total number of the network devices connected to the first gateway exceeds the predefined maximum number of network devices per gateway.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: September 12, 2023
    Assignee: LEDVANCE GMBH
    Inventors: Wuqiang Liao, Yafen Zhang, Heng Li, Dengpan Liu
  • Patent number: 11757081
    Abstract: A light fixture has a translucent tubular bulb. At least one end cap is located at one end of the translucent tubular bulb. A light engine is disposed in the translucent tubular bulb. The light engine has a leadframe on which a plurality of semiconductor light elements is arranged. The fixture may include an electronic driver. The electronic driver includes a plurality of electronic components. At least one of the plurality of electronic components is arranged inside the transparent tubular bulb.
    Type: Grant
    Filed: February 10, 2022
    Date of Patent: September 12, 2023
    Assignee: LEDVANCE GMBH
    Inventors: Bernhard Rieder, Heinz Lang, Georg Rosenbauer
  • Patent number: 11716253
    Abstract: A method for managing network devices is provided. The method comprises collecting position data of at least one network device with a location device for determining the position of the at least one network device relative to at least one positioning base, collecting device information data from the at least one network device with the location device, the device information data representing individual properties of the at least one network device, determining the position of the at least one network device according to the position data, providing a model of the physical environment based on environment data, and mapping the at least one network device to the model of the physical environment such that the device information data of the at least one network device is assigned to at least one location in the model of the physical environment, according to the position of the at least one network device.
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: August 1, 2023
    Assignee: LEDVANCE GMBH
    Inventors: Wuqiang Liao, Dengpan Liu, Guangli Lei, Yafen Zhang
  • Patent number: 11711705
    Abstract: A method and a system for forming a network of network devices, the method including providing a plurality of network devices in a physical environment, each of the plurality of network devices being controllable by a mobile network module connectable to the network devices. A network configuration device with a memory unit for storing device configuration data connects a mobile network module to the network configuration device. The mobile network module reads out the device configuration data stored in the memory unit of the network configuration device. The mobile network module connects to a network device and configuring the network device, based on the device configuration data.
    Type: Grant
    Filed: May 6, 2021
    Date of Patent: July 25, 2023
    Assignee: LEDVANCE GMBH
    Inventors: Wuqiang Liao, Yafen Zhang, Dengpan Liu, Heng Li
  • Patent number: 11664478
    Abstract: An LED light with an LED module which has one or more LEDs and an LED driver for power supply to the LEDs. The LED module is at least partially coated with a photoluminescent phosphor, which is configured for absorption of light energy from the LEDs and time-delayed emission of the stored light energy, and the LED driver has at least one electronic component for smoothing the current to be output to the LEDs.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: May 30, 2023
    Assignee: LEDVANCE GMBH
    Inventor: Georg Rosenbauer
  • Patent number: 11655972
    Abstract: An LED illumination device corresponds to a compact fluorescent lamp and has improved thermal properties. The illumination device includes a transparent tube having an inner wall defining a cavity, a light engine having one or more light emitting diodes, and a driver to drive the light engine. The light engine is disposed at the inner wall of the transparent tube. The arrangement of the light engine and the one or more light emitting diodes at the inner wall of the tube provides improved lighting characteristics. Simultaneously, an improved cooling is provided by the interface surface for conducting heat between the inner wall and the light engine.
    Type: Grant
    Filed: September 12, 2018
    Date of Patent: May 23, 2023
    Assignee: LEDVANCE GMBH
    Inventors: Ran Lin, Bernhard Rieder, Shaozhu Yang
  • Patent number: D998857
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: September 12, 2023
    Assignee: LEDVANCE GMBH
    Inventors: Heidrun Babutzka, Marc Nagel