公开(公告)号：US09351360B2

公开(公告)日：2016-05-24

申请号：US14826231

申请日：2015-08-14

Applicant: OSRAM GmbH

Inventor： Quan Zhang

IPC: H05B33/08

CPC classification number: H05B33/0815

Abstract: Various embodiments relate to a drive circuit for an illumination device and an illumination device. The drive circuit includes a first drive module, wherein the first drive module is configured to convert an alternating current signal from a power supply to a constant current drive signal supplied to a light-emitting unit of the illumination device, and wherein the drive circuit further includes a second drive module, and wherein the second drive module is in series connection with the first drive module and the light-emitting unit and is configured to hold a voltage which is applied across the second drive module by the constant current drive signal, and the second drive module further includes a first switch means which is driven by the held voltage to turn on such that a current signal output from the second drive module is a direct current signal.

Abstract translation: 各种实施例涉及用于照明装置和照明装置的驱动电路。 驱动电路包括第一驱动模块，其中第一驱动模块被配置为将来自电源的交流信号转换为提供给照明装置的发光单元的恒流驱动信号，并且其中驱动电路进一步 包括第二驱动模块，并且其中所述第二驱动模块与所述第一驱动模块和所述发光单元串联连接，并且被配置为保持通过所述恒定电流驱动信号施加在所述第二驱动模块上的电压;以及 第二驱动模块还包括第一开关装置，该第一开关装置由保持的电压驱动以导通，使得从第二驱动模块输出的电流信号是直流信号。

公开(公告)号：US20150022113A1

公开(公告)日：2015-01-22

申请号：US14370492

申请日：2012-12-17

Applicant: OSRAM GmbH

Inventor： Yewei Liufu ,  Xuewei Dai ,  XiHe Zhuang ,  Quan Zhang

IPC: H05B33/08 ,  H02M1/42 ,  H02M7/06

CPC classification number: H05B33/0815 ,  H02M1/42 ,  H02M1/4258 ,  H02M7/06 ,  Y02B70/126

Abstract: Various embodiments relate to a power factor controller based single-stage flyback driver and a light-emitting system. The driver includes a primary-side circuit, a secondary-side circuit, a power factor controller, a current feedback circuit, a voltage feedback circuit, and a feedback signal generation circuit, wherein, in the secondary-side circuit, the output voltage is divided using a first voltage division resistor and a second voltage division resistor so as to provide the sampling of the output voltage to the voltage feedback circuit, and the first voltage division resistor or the second voltage division resistor is connected in parallel with a compensation branch having a capacitive reactance.

Abstract translation: 各种实施例涉及基于功率因数控制器的单级反激驱动器和发光系统。 驱动器包括初级侧电路，次级侧电路，功率因数控制器，电流反馈电路，电压反馈电路和反馈信号生成电路，其中，在次级侧电路中，输出电压为 使用第一分压电阻器和第二分压电阻器分压，以将输出电压的采样提供给电压反馈电路，并且第一分压电阻器或第二分压电阻器与具有 电容电抗。

公开(公告)号：US20160050729A1

公开(公告)日：2016-02-18

申请号：US14826231

申请日：2015-08-14

Applicant: OSRAM GmbH

Inventor： Quan Zhang

IPC: H05B33/08

CPC classification number: H05B33/0815

Abstract: Various embodiments relate to a drive circuit for an illumination device and an illumination device. The drive circuit includes a first drive module, wherein the first drive module is configured to convert an alternating current signal from a power supply to a constant current drive signal supplied to a light-emitting unit of the illumination device, and wherein the drive circuit further includes a second drive module, and wherein the second drive module is in series connection with the first drive module and the light-emitting unit and is configured to hold a voltage which is applied across the second drive module by the constant current drive signal, and the second drive module further includes a first switch means which is driven by the held voltage to turn on such that a current signal output from the second drive module is a direct current signal.

Abstract translation: 各种实施例涉及用于照明装置和照明装置的驱动电路。 驱动电路包括第一驱动模块，其中第一驱动模块被配置为将来自电源的交流信号转换为提供给照明装置的发光单元的恒流驱动信号，并且其中驱动电路进一步 包括第二驱动模块，并且其中所述第二驱动模块与所述第一驱动模块和所述发光单元串联连接，并且被配置为保持通过所述恒定电流驱动信号施加在所述第二驱动模块上的电压;以及 第二驱动模块还包括第一开关装置，该第一开关装置由保持的电压驱动以导通，使得从第二驱动模块输出的电流信号是直流信号。

公开(公告)号：US20160205731A1

公开(公告)日：2016-07-14

申请号：US14912950

申请日：2014-08-06

Applicant: OSRAM GMBH

Inventor： Quan Zhang

IPC: H05B33/08

CPC classification number: H05B33/089 ,  H05B33/0815

Abstract: Various embodiments may relate to a hot plug module for an illuminating device, including a detection unit for detecting a hot plug state to obtain a detecting state, and an impedance adjusting unit for adjusting an impedance state of the hot plug module in accordance with the detecting state, and wherein the impedance adjusting unit includes an impedance conversion unit whose impedance can be converted, and a conversion drive unit converting the impedance of the impedance conversion unit in accordance with the detecting state to adjust the impedance state. Further, various embodiments relate to a driver for an illuminating device and an illuminating device.

Abstract translation: 各种实施例可以涉及用于照明装置的热插拔模块，包括用于检测热插拔状态以获得检测状态的检测单元，以及用于根据检测来调整热插拔模块的阻抗状态的阻抗调节单元 状态，并且其中所述阻抗调节单元包括其阻抗可以转换的阻抗转换单元，以及转换驱动单元，根据检测状态转换阻抗转换单元的阻抗以调整阻抗状态。 此外，各种实施例涉及用于照明装置和照明装置的驱动器。