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公开(公告)号：US10159126B2
公开(公告)日：2018-12-18
申请号：US15687852
申请日：2017-08-28
申请人： ELDOLAB HOLDING B.V.
摘要： The present invention relates to a lighting application, the lighting application comprises an LED assembly comprising a serial connection of two or more LED units, each LED unit comprising one or more LEDs, each LED unit being provided with a controllable switch for substantially short-circuiting the LED unit. The lighting application further comprises a control unit for controlling a drive unit and arranged to receive a signal representing a voltage level of the supply voltage, and control the switches in accordance with the signal. The invention further provides for an LED driver that enables to operate a TRIAC based dimmer at an optimal holding current and an LED driver comprising a switchable buffer, e.g. a capacitor.
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公开(公告)号：US10098205B2
公开(公告)日：2018-10-09
申请号：US14753269
申请日：2015-06-29
申请人： ELDOLAB HOLDING B.V.
IPC分类号： H05B37/02
摘要： A control unit for controlling an illumination parameter of one or more light sources of a plurality of light sources is described. The control unit being arranged to—select the one or more light sources of the plurality of light sources, receive an input signal representing a required value of the illumination parameter for the selected one or more light sources, convert the input signal to a broadcast signal for the plurality of light sources;—enable the broadcast signal to be provided to the plurality of light sources thereby enabling the selected one or more light sources to comply with the required value of the illumination parameter.
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公开(公告)号：US10045408B2
公开(公告)日：2018-08-07
申请号：US15697807
申请日：2017-09-07
申请人： ELDOLAB HOLDING B.V.
摘要： A control unit for an LED assembly comprising a first and second LED unit, said LED units being serial connected is described. The LED assembly, in use, is powered by a switched mode power supply. The control unit being arranged to receive an input signal representing a desired output characteristic of the LED assembly, determine a first and second duty cycle for respective LED units associated with a nominal current of the switched mode power supply, for providing the desired output characteristic, determine the largest of the first and second duty cycles for respective LED units, determine a reduced current based on at least the largest of the duty cycles, adjust the first and second duty cycle for respective LED units based on the reduced current, provide an output signal for the LED assembly and the switched mode power supply based on the adjusted first and second duty cycles and the reduced current for obtaining the desired characteristic.
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公开(公告)号：US20170325296A1
公开(公告)日：2017-11-09
申请号：US15475359
申请日：2017-03-31
申请人： EldoLAB Holding B.V.
IPC分类号： H05B33/08
CPC分类号： H05B33/083 , H05B33/0815 , H05B33/0848 , H05B33/0851
摘要： A control unit for a LED assembly includes a first and second LED unit, the LED units being serial connected. The LED assembly, in use, is powered by a switched mode power supply. The control unit being arranged to receive an input signal representing a desired output characteristic of the LED assembly, determine a first and second duty cycle for respective LED units associated with a nominal current of the switched mode power supply, for providing the desired output characteristic, determine the largest of the first and second duty cycles for respective LED units, determine a reduced current based on at least the largest of the duty cycles, adjust the first and second duty cycle for respective LED units based on the reduced current, and provide an output signal for the LED assembly and the switched mode power supply based on the adjusted first and second duty cycles and the reduced current for obtaining the desired characteristic.
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公开(公告)号：US20160029453A1
公开(公告)日：2016-01-28
申请号：US14872435
申请日：2015-10-01
申请人： ELDOLAB HOLDING B.V.
IPC分类号： H05B33/08
CPC分类号： H05B33/0827 , H05B33/0818 , H05B33/083 , H05B33/0851 , H05B33/0866
摘要： A control unit for an LED assembly comprising a first and second LED unit, said LED units being serial connected is described. The LED assembly, in use, is powered by a switched mode power supply. The control unit being arranged to receive an input signal representing a desired output characteristic of the LED assembly, determine a first and second duty cycle for respective LED units associated with a nominal current of the switched mode power supply, for providing the desired output characteristic, determine the largest of the first and second duty cycles for respective LED units, determine a reduced current based on at least the largest of the duty cycles, adjust the first and second duty cycle for respective LED units based on the reduced current, provide an output signal for the LED assembly and the switched mode power supply based on the adjusted first and second duty cycles and the reduced current for obtaining the desired characteristic.
摘要翻译： 描述了包括第一和第二LED单元的LED组件的控制单元，所述LED单元被串联连接。 使用中的LED组件由开关模式电源供电。 控制单元被布置成接收表示LED组件的期望输出特性的输入信号，确定与开关模式电源的额定电流相关联的各个LED单元的第一和第二占空比，以提供期望的输出特性， 确定各个LED单元的第一和第二占空比中的最大值，至少基于最大占空比确定减小的电流，基于减小的电流来调整各个LED单元的第一和第二占空比，提供输出 基于经调整的第一和第二占空比的LED组件和开关模式电源的信号以及用于获得期望特性的减小的电流。
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公开(公告)号：US20140191678A1
公开(公告)日：2014-07-10
申请号：US14208074
申请日：2014-03-13
申请人： EldoLAB Holding B.V.
IPC分类号： H05B33/08
CPC分类号： H05B33/0815 , H05B33/0818 , H05B33/083 , Y02B20/346
摘要： A power converter for an LED assembly includes a switched mode power supply arranged to power the LED assembly, an AC/DC converter arranged to provide a DC supply voltage to the switched mode power supply, and a control unit arranged to receive an input signal representing a required load voltage for powering the LED assembly. The control unit is arranged to control the AC/DC converter based on the input signal.
摘要翻译： 一种用于LED组件的功率转换器包括：布置成为LED组件供电的开关模式电源; AC / DC转换器，被配置为向开关模式电源提供DC电源电压;以及控制单元，被配置为接收代表 用于为LED组件供电的所需负载电压。 控制单元被配置为基于输入信号控制AC / DC转换器。
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公开(公告)号：US10172196B2
公开(公告)日：2019-01-01
申请号：US15315177
申请日：2015-06-02
申请人： ELDOLAB HOLDING B.V.
摘要： A light unit driver comprising a plurality of light unit driver channels, each light unit driver channel being configured for driving a respective light unit via a respective light unit driver channel output of the light unit driver channel, —a supply rail that is connected to respective power inputs of the light unit driver channels to conduct electrical energy to the light unit driver channels, —a backup energy storage configured for storing electrical energy, —a control device for controlling the light unit driver, The backup energy storage is electrically connected to the light unit driver channel output of one of the light unit driver channels, the light units being connected to the light unit driver channel outputs of the remaining light unit driver channels. The control device is configured to: —in an operational mode, operate the one of the light unit driver channels to charge the backup energy storage via the one of the light unit driver channel outputs to which the backup energy storage is connected, and operate the remaining light unit driver channels to drive the light units, and—in an emergency mode, operate the one of the light unit driver channels to feed energy back to the supply rail to power the remaining light unit driver channels via the one of the light unit driver channels from the backup energy storage.
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公开(公告)号：US09936551B2
公开(公告)日：2018-04-03
申请号：US15082592
申请日：2016-03-28
申请人： ELDOLAB HOLDING B.V.
CPC分类号： H05B33/0845 , F21K9/23 , H05B33/0815 , H05B33/083
摘要： An LED driver comprising a power converter for powering an LED unit and a control unit for controlling the power converter is provided. The power converter comprising an input terminal for receiving a rectified AC supply voltage, and an output terminal for supplying a current to the LED unit, and the control unit comprising an input for receiving a supply signal representative of the supply voltage and an output for providing a control signal to the power converter. The control unit is further arranged to: determine the control signal for controlling the power converter based on the supply signal, and control the power converter to supply the current to the LED unit based on the control signal, the current being amplitude modulated in synchronism or in phase with the rectified AC supply voltage.
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公开(公告)号：US20170367159A1
公开(公告)日：2017-12-21
申请号：US15697807
申请日：2017-09-07
申请人： Eldolab Holding B.V.
IPC分类号： H05B33/08
CPC分类号： H05B33/0827 , H05B33/0818 , H05B33/083 , H05B33/0851 , H05B33/0866
摘要： A control unit for an LED assembly comprising a first and second LED unit, said LED units being serial connected is described. The LED assembly, in use, is powered by a switched mode power supply. The control unit being arranged to receive an input signal representing a desired output characteristic of the LED assembly, determine a first and second duty cycle for respective LED units associated with a nominal current of the switched mode power supply, for providing the desired output characteristic, determine the largest of the first and second duty cycles for respective LED units, determine a reduced current based on at least the largest of the duty cycles, adjust the first and second duty cycle for respective LED units based on the reduced current, provide an output signal for the LED assembly and the switched mode power supply based on the adjusted first and second duty cycles and the reduced current for obtaining the desired characteristic.
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公开(公告)号：US20170339768A1
公开(公告)日：2017-11-23
申请号：US15462171
申请日：2017-03-17
申请人： EldoLab Holding B.V.
CPC分类号： H05B33/0842 , H05B33/0845 , H05B33/0857 , H05B33/089 , H05B33/0893 , H05B37/0254
摘要： An LED fixture includes at least one LED; an electrical power terminal, electrically connected to the LED, the electrical power terminal for electrically connecting the LED to an LED driver, a storage device for storing data in relation to the LED, and a data processing device, electrically connected to the storage device for storing data in the storage device and reading data therefrom, the data processing device being arranged and connected for providing data communication via at least one of the electrical power terminal and the LED.
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