Patents Assigned to Ledvance GmbH
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Patent number: 10697592Abstract: The present invention relates to a lighting means comprising at least two LEDs, mounted on opposite sides of a flat printed circuit board, said printed circuit board being combined with a reflector which is free of LEDs, a part of the light emitted by each LED being reflected by the reflector to homogenize the light distribution generated by the lighting means, and specifically in each case with a directional component parallel to a surface direction of the flat printed circuit board.Type: GrantFiled: February 17, 2016Date of Patent: June 30, 2020Assignee: LEDVANCE GMBHInventors: Krister Bergenek, Florian Bosl, Andreas Dobner, Tobias Schmidt
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Patent number: 10701772Abstract: A lighting device comprises at least two groups of light-emitting diodes and an electronic circuit for controlling said light-emitting diodes. The electronic circuit is configured to control each group of light-emitting diodes separately. The beam characteristic of at least one of the groups of light-emitting diodes differs from the beam characteristic of at least one of the other groups of light-emitting diodes. As a result, the light distribution of the lighting device can be switched electronically.Type: GrantFiled: October 19, 2017Date of Patent: June 30, 2020Assignee: LEDVANCE GMBHInventor: Hans-Joachim Schmidt
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Patent number: 10701779Abstract: The present invention relates to a drive device for an illuminating load, an illumination device, a lighting system and a method for controlling the lighting system, wherein the drive device is connected between the illuminating load and a power adapter device for power supply, wherein the drive device comprises a control unit, wherein the control unit is configured to adjust the impedance of the drive device according to an electric output signal measured from the illuminating load so as to accordingly adjust the output voltage of the power adapter device and thereby to adjust the electric output signal for the illuminating load.Type: GrantFiled: December 17, 2015Date of Patent: June 30, 2020Assignee: LEDVANCE GMBHInventors: Daxin Lin, Xusheng Yang
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Patent number: 10700251Abstract: A LED module for use in a LED light, preferably a LED retrofit lamp, has a leadframe and one or more LEDs which are electrically and mechanically connected to the leadframe. The LED module has one or more stabilizing sections made from an insulating material which are introduced locally, preferably in a punctiform and/or linear manner, into intermediate spaces of the leadframe in order to fasten sections of the leadframe to one another and, preferably, to space them apart from one another.Type: GrantFiled: December 21, 2018Date of Patent: June 30, 2020Assignee: LEDVANCE GMBHInventors: Heinz Lang, Georg Rosenbauer
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Patent number: 10683991Abstract: A lighting device includes a primary lighting module with one or more light sources and one or more secondary lighting modules each with one or more light sources. Each secondary lighting module is mechanically and electrically connected to the primary lighting module. At least one of the secondary lighting modules is movable with respect to the primary lighting module. The shape of the lighting device can be varied between a collapsed state requiring less space and an expanded state for the reduction of shadows.Type: GrantFiled: July 26, 2018Date of Patent: June 16, 2020Assignee: LEDVANCE GMBHInventor: Jing Lin
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Patent number: 10677443Abstract: Various embodiments may relate to an illuminating device including a light engine, a housing and a driver contained in the housing, wherein the illuminating device further includes a heat dissipation device disposed in the housing which includes a substrate for supporting the light engine and an insert ring in thermal-conductive contact with the substrate.Type: GrantFiled: July 16, 2018Date of Patent: June 9, 2020Assignee: LEDVANCE GMBHInventors: Rencheng Li, Tingbiao Lan, Ran Lin, Zhian Li
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Patent number: 10677401Abstract: A lighting system comprises a primary luminaire and a secondary luminaire each having a light source. Electrical power can be transmitted wirelessly via an inductive wireless power transmission from the primary to the secondary luminaire. Electrical power can also be transmitted wirelessly via an RF wireless power transmission from a RF wireless power transmitter to both luminaires. Energy can be stored in energy storage means. Thus, true wireless lighting can be achieved.Type: GrantFiled: January 31, 2018Date of Patent: June 9, 2020Assignee: LEDVANCE GMBHInventors: Shaoping Chen, Shijun Nie, Fan Xin
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Patent number: 10680397Abstract: The present invention relates to an electric connector and an illuminating device comprising this electric connector, wherein the electric connector comprises a housing and an end cap connected to the housing, wherein an conductor which can be connected to a power supply is arranged in the end cap, wherein the conductor comprises a stationary part and a movable part, wherein the conductor is rotatable relative to the housing along with the end cap from a first position to a second position, wherein the movable parts at least partially retract into the stationary part in the first position, and at least one movable part extends out of the stationary part in the second position so as to be in electric connection with a power consumption component arranged in the housing.Type: GrantFiled: December 17, 2018Date of Patent: June 9, 2020Assignee: LEDVANCE GMBHInventors: Haitao Wen, Jun Liu
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Patent number: 10663119Abstract: A LED filament for an omnidirectional lamp comprises two longitudinal filament sections, and each filament section includes a plurality of LEDs. The two filament sections are electrically conductively connected by a flexible connecting section. A lamp using such LED filaments provides a light distribution having an increased homogeneity.Type: GrantFiled: November 7, 2017Date of Patent: May 26, 2020Assignee: LEDVANCE GMBHInventors: Jing Lin, Shijun Nie, Shaozhu Yang
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Patent number: 10655791Abstract: The present disclosure relates to a luminous means having a cap and an outer bulb in which LEDs are arranged on a flat multilayer substrate which is constructed, at least in regions, from at least two substrate layers between two outside surfaces which are opposite one another, wherein the at least two substrate layers are formed from a flat substrate sheet which is laid back on itself, and wherein the LEDs are mounted on a side surface of the substrate sheet, which at least proportionally forms the two outside surfaces of the multilayer substrate in each case on account of the substrate sheet being laid back, in such a manner that at least one of the LEDs is mounted in each case on both of the two outside surfaces of the multilayer substrate.Type: GrantFiled: March 2, 2016Date of Patent: May 19, 2020Assignee: LEDVANCE GMBHInventors: Krister Bergenek, Florian Bosl, Andreas Dobner, Tobias Schmidt, Andreas Kloss, Frank Vollkommer
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Patent number: 10655798Abstract: An LED lighting device includes a housing, an LED light-emitting unit arranged inside the housing, and an LED driver configured to drive the LED light-emitting unit to operate. The LED driver and the LED light-emitting unit are integrally arranged inside the housing. The LED lighting device allows the number of components to be reduced, and the structure to be more compact, thus allowing the LED driver to be set inside a housing of a small lighting device.Type: GrantFiled: January 20, 2017Date of Patent: May 19, 2020Assignee: LEDVANCE GMBHInventors: Haitao Wen, Jun Liu, Xiongqiang He, Shijun Nie
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Patent number: 10641436Abstract: A disconnector for an electric circuit having a first electrical contact and a second electrical contact for connecting or disconnecting an electric circuit connected to the first electrical contact and the second electrical contact. Each of the contacts have a first end with a base contact and a second end with a contact point for electrically connecting the first electrical contact to the second electrical contact. The disconnector has a isolating support for supporting the first electrical contact and the second electrical contact such that the first electrical contact is in touch with the second electrical contact at the contact points in a mechanically pre-loaded condition to connect the electric circuit electrically. The first electrical contact and the second electrical contact can be separated by a separator plate.Type: GrantFiled: April 8, 2019Date of Patent: May 5, 2020Assignee: LEDVANCE GMBHInventors: Xiongqiang He, Jianjian Huang
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Patent number: 10634289Abstract: An end cap for a retrofit LED lamp includes a transparent tube. An end cap is mounted to an end of the transparent tube. A pair of pins electrically and mechanically connects the LED lamp to a tube holder. The pair of pins extends through the end cap. A protective cap sits over the pair of pins thereby protecting the pair of pins from being touched by a user.Type: GrantFiled: April 8, 2019Date of Patent: April 28, 2020Assignee: LEDVANCE GMBHInventors: Xiongqiang He, Jianjian Huang, WanPu Wang, Shaozhu Yang
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Patent number: 10612729Abstract: A light fixture and a method of making a light fixture include a light-permeable tube, at least one end cap pushed onto a free end of the tube for closure, and a driver device received at least partially in the tube and held in the tube by the end cap for driving a light module arranged in the tube. The end cap is fastened on the tube by an expanded adhesive and the driver device is fastened to the end cap or to the tube by the expanded adhesive.Type: GrantFiled: October 31, 2018Date of Patent: April 7, 2020Assignee: LEDVANCE GMBHInventors: Thomas Bittmann, Klaus Eckert, Patrick Kotal, Bernd Pilhoefer, Florian Wagner
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Patent number: 10605446Abstract: A light fixture includes a light-emitting diode chip, a driver electronic, a first circuit board and a second circuit board, wherein the light-emitting diode chip is mounted on one of the two circuit boards and the driver electronic is mounted on the other one of the two circuit boards and a first conductive track of the first circuit board and a second conductive track of the second circuit board are connected electrically to one another with a spring contact.Type: GrantFiled: July 2, 2018Date of Patent: March 31, 2020Assignee: LEDVANCE GMBHInventors: Klaus Eckert, Tobias Frost, Lambert Frye, Bernd Pilhoefer, Georg Scheipl
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Patent number: 10598367Abstract: A light module serves for inserting into a housing of a semiconductor lamp and comprises: a driver (2), a cooling element, a light generator, abutting the cooling element, with at least one semiconductor light source, which is electrically connected with the driver, and an optical refraction element covering the at least one semiconductor light source, wherein the refraction element is fastened on the cooling element and presses the light generator onto the cooling element. A semiconductor lamp comprises a housing open at the front into which the light module is inserted from the front side and on which the light module is fastened. A method serves for producing a semiconductor lamp, wherein at least the driver, the cooling element, the light generator and the refraction element are assembled into an individually manageable light module and the light module is then inserted into a housing.Type: GrantFiled: March 2, 2017Date of Patent: March 24, 2020Assignee: LEDVANCE GMBHInventors: Thomas Klafta, Johann Holland, Martin Loew, Marcel Vuc, Josef Medl
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Patent number: 10598315Abstract: A lighting device is provided, which includes a first lighting unit, a heat-dissipating unit heat-conductively connected to the first lighting unit; a second lighting unit, a second heat-dissipating unit heat-conductively connected to the second lighting unit; and a driver electrically connected with the first lighting unit and the second lighting unit. Furthermore, a method of assembling a lighting device is provided.Type: GrantFiled: January 26, 2017Date of Patent: March 24, 2020Assignee: LEDVANCE GMBHInventors: Haitao Wen, Jun Liu, Ran Lin, HongWei Zhang
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Patent number: 10594067Abstract: In various embodiments, a reflector lamp having a longitudinal axis is provided. The reflector lamp may include: a reflector which has a contour and a neck, with a pin base resting at the end of said neck, a light source arranged in the reflector, wherein the light source is fastened in the reflector with the aid of a mounting clip, which simultaneously adjusts the light source, wherein the mounting clip comprises three sections, namely a first section which holds the light source, a second section which serves for the adjustment in the neck and a third section which is used for the base connection.Type: GrantFiled: May 8, 2018Date of Patent: March 17, 2020Assignee: LEDVANCE GMBHInventor: Andreas Nittke
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Patent number: 10584846Abstract: A lighting device and the method of creating the lighting device having a lighting module and a lens mechanically connected to that lighting module. The lens has one or more connecting pins. The light module has one or more receiving openings for receiving the connecting pins. The free ends of the connecting pins are deformed by thermal deformation so that the light module is held on the lens.Type: GrantFiled: July 17, 2018Date of Patent: March 10, 2020Assignee: LEDVANCE GMBHInventors: Anton Joerg, Thomas Klafta, Wolfgang Seitz, Christoph Steidl, Marcel Vuc
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Patent number: 10571109Abstract: Various embodiments may relate to an illuminating device. The illuminating device includes a base having a partition board dividing the base into a first accommodating cavity and a second accommodating cavity, a circuit board having light sources and arranged in the first accommodating cavity, and an optical assembly arranged at an opening end of the first accommodating cavity. The partition board, the circuit board and the optical assembly each have at least one air communication structure to enable air from environment to flow into the first accommodating cavity and the second accommodating cavity.Type: GrantFiled: May 23, 2013Date of Patent: February 25, 2020Assignee: LEDVANCE GMBHInventors: Yaojun Feng, Yuanyuan He, Hua Wang, Zhian Li