公开(公告)号：US20160073459A1

公开(公告)日：2016-03-10

申请号：US14849705

申请日：2015-09-10

Applicant: OSRAM GmbH

Inventor： Xusheng Yang ,  Moritz Engl ,  Shaoping Chen ,  Shijun Nie

IPC: H05B33/08

CPC classification number: H05B33/0815 ,  H05B33/0887 ,  H05B33/089 ,  Y02B20/341

Abstract: Various embodiments relate to an LED lamp device. According to various embodiments, an LED lamp device is provided, including an LED unit for emitting light, a driving unit for driving the LED unit, such that the LED unit emits light at an operating point, and a resonance unit for receiving an input, providing AC power to the driving unit, and protecting the driving unit and the LED unit from being damaged by the input.

Abstract translation: 各种实施例涉及LED灯装置。 根据各种实施例，提供一种LED灯装置，包括用于发光的LED单元，用于驱动LED单元的驱动单元，使得LED单元在工作点发光，以及用于接收输入的谐振单元， 向驱动单元提供AC电力，并且保护驱动单元和LED单元不被输入损坏。

公开(公告)号：US09197122B2

公开(公告)日：2015-11-24

申请号：US14399206

申请日：2013-05-08

Applicant: OSRAM GmbH

Inventor： Xusheng Yang ,  Shaoping Chen ,  Xiongqiang He ,  Qingfu Zhang

IPC: H02M1/14 ,  H05B33/08

CPC classification number: H02M1/14 ,  H05B33/0806 ,  H05B33/0812 ,  H05B33/0851 ,  Y02B20/343 ,  Y02B20/345 ,  Y10T307/406

Abstract: A load drive circuit may include a DC power source configured to provide a DC output voltage for at least one load based on an output voltage of an AC/DC converter, the DC output voltage having a ripple, a variable resistance module connected to the load, a ripple reduction module that generates, based on a reference voltage and a feedback signal from the load, a variable resistance adjusting signal for adjusting the resistance of the variable resistance module so as to reduce a ripple of the load current, wherein the reference voltage is generated based on the DC output voltage, and a reference voltage adjusting module that adjusts the average value of the reference voltage based on the variable resistance adjusting signal, so as to make the average value of the reference voltage approach the average value of the feedback signal as much as possible.

Abstract translation: 负载驱动电路可以包括DC电源，其被配置为基于AC / DC转换器的输出电压为至少一个负载提供DC输出电压，DC输出电压具有纹波，连接到负载的可变电阻模块 ，纹波减小模块，其基于来自所述负载的参考电压和反馈信号生成用于调整所述可变电阻模块的电阻的可变电阻调整信号，以减小所述负载电流的纹波，其中所述参考电压 基于直流输出电压生成基准电压调整模块，基准电压调整信号调整基准电压的平均值，使基准电压的平均值接近反馈的平均值 信号尽可能多。

公开(公告)号：US20150123568A1

公开(公告)日：2015-05-07

申请号：US14399206

申请日：2013-05-08

Applicant: OSRAM GmbH

Inventor： Xusheng Yang ,  Shaoping Chen ,  Xiongqiang He ,  Qingfu Zhang

IPC: H02M1/14 ,  H05B33/08

CPC classification number: H02M1/14 ,  H05B33/0806 ,  H05B33/0812 ,  H05B33/0851 ,  Y02B20/343 ,  Y02B20/345 ,  Y10T307/406

Abstract: A load drive circuit may include a DC power source configured to provide a DC output voltage for at least one load based on an output voltage of an AC/DC converter, the DC output voltage having a ripple, a variable resistance module connected to the load, a ripple reduction module that generates, based on a reference voltage and a feedback signal from the load, a variable resistance adjusting signal for adjusting the resistance of the variable resistance module so as to reduce a ripple of the load current, wherein the reference voltage is generated based on the DC output voltage, and a reference voltage adjusting module that adjusts the average value of the reference voltage based on the variable resistance adjusting signal, so as to make the average value of the reference voltage approach the average value of the feedback signal as much as possible.

Abstract translation: 负载驱动电路可以包括DC电源，其被配置为基于AC / DC转换器的输出电压为至少一个负载提供DC输出电压，DC输出电压具有纹波，连接到负载的可变电阻模块 ，纹波减小模块，其基于来自所述负载的参考电压和反馈信号生成用于调整所述可变电阻模块的电阻的可变电阻调整信号，以减小所述负载电流的纹波，其中所述参考电压 基于直流输出电压生成基准电压调整模块，基准电压调整信号调整基准电压的平均值，使基准电压的平均值接近反馈的平均值 信号尽可能多。