公开(公告)号：US08487550B2

公开(公告)日：2013-07-16

申请号：US13297460

申请日：2011-11-16

申请人： Weiqiang Zhang ,  Lizhi Xu ,  Qi Zhang ,  Jianping Ying

发明人： Weiqiang Zhang ,  Lizhi Xu ,  Qi Zhang ,  Jianping Ying

IPC分类号： H05B37/02

CPC分类号： H05B33/0815

摘要： Provided is a multi-channel LED driver circuit, including a power supply device for providing an independent voltage source; a plurality of regulating circuits connected to the power supply device and the light light-emitting diode arrays for receiving a voltage from the voltage source and providing a plurality of output currents to the light-emitting diode arrays, and thereby generating a plurality of error signals.

摘要翻译： 提供了一种多通道LED驱动器电路，包括用于提供独立电压源的电源装置; 连接到电源装置的多个调节电路和用于从电压源接收电压并向发光二极管阵列提供多个输出电流的发光二极管阵列，从而产生多个误差信号 。

公开(公告)号：US20130043808A1

公开(公告)日：2013-02-21

申请号：US13297460

申请日：2011-11-16

申请人： Weiqiang Zhang ,  Lizhi Xu ,  Qi Zhang ,  Jianping Ying

发明人： Weiqiang Zhang ,  Lizhi Xu ,  Qi Zhang ,  Jianping Ying

IPC分类号： H05B37/02

CPC分类号： H05B33/0815

摘要： Provided is a multi-channel LED driver circuit, including a power supply device for providing an independent voltage source; a plurality of regulating circuits connected to the power supply device and the light light-emitting diode arrays for receiving a voltage from the voltage source and providing a plurality of output currents to the light-emitting diode arrays, and thereby generating a plurality of error signals

摘要翻译： 提供了一种多通道LED驱动器电路，包括用于提供独立电压源的电源装置; 连接到电源装置的多个调节电路和用于从电压源接收电压并向发光二极管阵列提供多个输出电流的发光二极管阵列，从而产生多个误差信号

公开(公告)号：US08917033B2

公开(公告)日：2014-12-23

申请号：US13688703

申请日：2012-11-29

申请人： Lizhi Xu ,  Weiqiang Zhang ,  Jianping Ying

发明人： Lizhi Xu ,  Weiqiang Zhang ,  Jianping Ying

IPC分类号： H05B37/02 ,  H05B33/08

CPC分类号： H05B37/02 ,  H05B33/089 ,  Y02B20/341

摘要： The present application discloses an open circuit protecting circuit, an open circuit protecting method and an illuminating apparatus. The open circuit protecting circuit is configured in an apparatus with a LED load being supplied with power by a current source, and comprises: a switch circuit, a timer circuit and a detecting circuit. When the LED load malfunctions, the open circuit protecting circuit carries out the following operations: the detecting circuit sends an enabling signal to the timer circuit, the timer circuit sends a driving signal with a set time to the switch circuit and the switch circuit is in the on-state during the set time, so as to make the LED load be short circuited to protect the circuit from being damaged. The open circuit protecting circuit can also resume to normal work automatically after the open circuited malfunction is cleared, and thus a hot-plugging function can be realized.

摘要翻译： 本申请公开了一种开路保护电路，开路保护方法和照明装置。 开路保护电路配置在LED负载由电流源供电的装置中，包括：开关电路，定时器电路和检测电路。 当LED负载发生故障时，开路保护电路进行以下操作：检测电路向定时器电路发送使能信号，定时器电路向开关电路发送设定时间的驱动信号，开关电路处于 在设定时间内的导通状态，以使LED负载短路，以保护电路免受损坏。 开路保护电路也可以在断路故障后自动恢复正常工作，从而实现热插拔功能。

公开(公告)号：US08890424B2

公开(公告)日：2014-11-18

申请号：US13547213

申请日：2012-07-12

申请人： Lizhi Xu ,  Weiqiang Zhang ,  Jianping Ying ,  Ching-Ho Chou ,  Hsiang-Chen Wu

发明人： Lizhi Xu ,  Weiqiang Zhang ,  Jianping Ying ,  Ching-Ho Chou ,  Hsiang-Chen Wu

IPC分类号： H05B37/00

CPC分类号： H05B33/0815 ,  H05B33/0851 ,  Y02B20/347

摘要： The present invention provides an illumination device, an illumination system, and a lamp. The illumination system includes the illumination device and a light modulation module. The illumination device includes a light emitting diode (LED) array, an alternating current (AC) current source, and an output power control module. The AC current source is electrically coupled to the LED array. The output power control module is electrically coupled to the LED array and the AC current source. The LED array, the AC current source, and the output power control module together form a closed-loop control loop. The light modulation module is electrically coupled to the closed-loop control loop for modulating illumination brightness of the LED.

摘要翻译： 本发明提供一种照明装置，照明系统和灯。 照明系统包括照明装置和光调制模块。 照明装置包括发光二极管（LED）阵列，交流（AC）电流源和输出功率控制模块。 AC电流源电耦合到LED阵列。 输出功率控制模块电耦合到LED阵列和AC电流源。 LED阵列，AC电流源和输出功率控制模块一起形成闭环控制回路。 光调制模块电耦合到闭环控制环路，用于调制LED的照明亮度。

公开(公告)号：US08692478B2

公开(公告)日：2014-04-08

申请号：US13242123

申请日：2011-09-23

申请人： Lizhi Xu ,  Weiqiang Zhang ,  Jianping Ying

发明人： Lizhi Xu ,  Weiqiang Zhang ,  Jianping Ying

IPC分类号： H05B41/16

CPC分类号： H05B33/0821 ,  H05B33/0809

摘要： The invention provides a current balancing circuit, which includes a plurality of light-emitting diode assemblies; an AC power generator for providing currents required by the light-emitting diode assemblies; and a plurality of current-equaling elements connected to the AC power generator, each of which is connected to a common mode connecting two light-emitting diode assemblies for balancing currents of the light-emitting diode assemblies.

摘要翻译： 本发明提供了一种电流平衡电路，其包括多个发光二极管组件; AC发电机，用于提供发光二极管组件所需的电流; 以及连接到AC发电机的多个电流均衡元件，每个电流均衡元件连接到连接两个用于平衡发光二极管组件的电流的发光二极管组件的共模。

公开(公告)号：US20130278152A1

公开(公告)日：2013-10-24

申请号：US13572122

申请日：2012-08-10

申请人： Weiqiang Zhang ,  Lizhi Xu ,  Jianping Ying

发明人： Weiqiang Zhang ,  Lizhi Xu ,  Jianping Ying

IPC分类号： H05B37/00

CPC分类号： H05B33/0815 ,  H05B33/0821

摘要： The present application discloses a light emitting diode lighting device and a light emitting diode lamp, the light emitting diode lighting device includes: a fluorescent lamp ballast outputting an alternating current; and at least one first light emitting diode lamp coupled with the fluorescent lamp ballast, and comprising a rectifying and filtering circuit and at least one light emitting diode string coupled with the rectifying and filtering circuit. The present application directly replaces a conventional fluorescent lamp tube with a properly designed LED lamp without any other modifications when reinstallation a conventional fluorescent lamp lighting device into a light emitting diode lighting device, which may reduce the cost of reinstallation, and greatly facilitate the user.

摘要翻译： 本发明公开了一种发光二极管照明装置和发光二极管灯，所述发光二极管照明装置包括：输出交流电的荧光灯镇流器; 以及与荧光灯镇流器耦合的至少一个第一发光二极管灯，并且包括整流和滤波电路以及与整流和滤波电路耦合的至少一个发光二极管串。 本发明的应用将传统的荧光灯照明装置重新安装到发光二极管照明装置中时，直接用适当设计的LED灯代替常规的荧光灯管，而无需任何其它修改，这可能降低重新安装的成本，并且极大地方便了用户。

公开(公告)号：US20120293080A1

公开(公告)日：2012-11-22

申请号：US13242123

申请日：2011-09-23

申请人： Lizhi Xu ,  Weiqiang Zhang ,  Jianping Ying

发明人： Lizhi Xu ,  Weiqiang Zhang ,  Jianping Ying

IPC分类号： H05B37/02

CPC分类号： H05B33/0821 ,  H05B33/0809

摘要： The invention provides a current balancing circuit, which includes a plurality of light-emitting diode assemblies; an AC power generator for providing currents required by the light-emitting diode assemblies; and a plurality of current-equaling elements connected to the AC power generator, each of which is connected to a common mode connecting two light-emitting diode assemblies for balancing currents of the light-emitting diode assemblies.

摘要翻译： 本发明提供了一种电流平衡电路，其包括多个发光二极管组件; AC发电机，用于提供发光二极管组件所需的电流; 以及连接到AC发电机的多个电流均衡元件，每个电流均衡元件连接到连接两个用于平衡发光二极管组件的电流的发光二极管组件的共模。

公开(公告)号：US20130307416A1

公开(公告)日：2013-11-21

申请号：US13688703

申请日：2012-11-29

申请人： Lizhi Xu ,  Weiqiang Zhang ,  Jianping Ying

发明人： Lizhi Xu ,  Weiqiang Zhang ,  Jianping Ying

IPC分类号： H05B37/02

CPC分类号： H05B37/02 ,  H05B33/089 ,  Y02B20/341

摘要： The present application discloses an open circuit protecting circuit, an open circuit protecting method and an illuminating apparatus. The open circuit protecting circuit is configured in an apparatus with a LED load being supplied with power by a current source, and comprises: a switch circuit, a timer circuit and a detecting circuit. When the LED load malfunctions, the open circuit protecting circuit carries out the following operations: the detecting circuit sends an enabling signal to the timer circuit, the timer circuit sends a driving signal with a set time to the switch circuit and the switch circuit is in the on-state during the set time, so as to make the LED load be short circuited to protect the circuit from being damaged. The open circuit protecting circuit can also resume to normal work automatically after the open circuited malfunction is cleared, and thus a hot-plugging function can be realized.

摘要翻译： 本申请公开了一种开路保护电路，开路保护方法和照明装置。 开路保护电路配置在LED负载由电流源供电的装置中，包括：开关电路，定时器电路和检测电路。 当LED负载发生故障时，开路保护电路进行以下操作：检测电路向定时器电路发送使能信号，定时器电路向开关电路发送设定时间的驱动信号，开关电路处于 在设定时间内的导通状态，以使LED负载短路，以保护电路免受损坏。 开路保护电路也可以在断路故障后自动恢复正常工作，从而实现热插拔功能。

公开(公告)号：US08884533B2

公开(公告)日：2014-11-11

申请号：US13572122

申请日：2012-08-10

申请人： Weiqiang Zhang ,  Lizhi Xu ,  Jianping Ying

发明人： Weiqiang Zhang ,  Lizhi Xu ,  Jianping Ying

IPC分类号： H05B37/00

CPC分类号： H05B33/0815 ,  H05B33/0821

摘要： The present application discloses a light emitting diode lighting device and a light emitting diode lamp, the light emitting diode lighting device includes: a fluorescent lamp ballast outputting an alternating current; and at least one first light emitting diode lamp coupled with the fluorescent lamp ballast, and comprising a rectifying and filtering circuit and at least one light emitting diode string coupled with the rectifying and filtering circuit. The present application directly replaces a conventional fluorescent lamp tube with a properly designed LED lamp without any other modifications when reinstallation a conventional fluorescent lamp lighting device into a light emitting diode lighting device, which may reduce the cost of reinstallation, and greatly facilitate the user.

摘要翻译： 本发明公开了一种发光二极管照明装置和发光二极管灯，所述发光二极管照明装置包括：输出交流电的荧光灯镇流器; 以及与荧光灯镇流器耦合的至少一个第一发光二极管灯，并且包括整流和滤波电路以及与整流和滤波电路耦合的至少一个发光二极管串。 本发明的应用将传统的荧光灯照明装置重新安装到发光二极管照明装置中时，直接用适当设计的LED灯代替常规的荧光灯管，而无需任何其它修改，这可能降低重新安装的成本，并且极大地方便了用户。

公开(公告)号：US09006988B2

公开(公告)日：2015-04-14

申请号：US13168437

申请日：2011-06-24

申请人： Qi Zhang ,  Weiqiang Zhang ,  Jianping Ying

发明人： Qi Zhang ,  Weiqiang Zhang ,  Jianping Ying

IPC分类号： H05B41/36 ,  H05B41/04

CPC分类号： H05B41/042

摘要： A method of controlling an ignition circuit to output an excitation voltage is disclosed. The ignition circuit is used to excite a discharge lamp and includes a transformer and a switch element which is connected to a primary winding of the transformer. The method of controlling the ignition circuit comprises steps of: (a) receiving a control signal which is set in accordance with a waveform characteristic of a predetermined excitation voltage to control an impedance of the switch element; (b) controlling a primary current in the primary winding or a primary voltage across the primary winding of the transformer by controlling the impedance of the switch element; and (c) generating the excitation voltage by the secondary winding of the transformer in accordance with the primary current or the primary voltage so as to excite the discharge lamp.

摘要翻译： 公开了一种控制点火电​​路输出激励电压的方法。 点火电路用于激发放电灯，并包括变压器和与变压器的初级绕组连接的开关元件。 控制点火电​​路的方法包括以下步骤：（a）接收根据预定激励电压的波形特性设定的控制信号，以控制开关元件的阻抗; （b）通过控制开关元件的阻抗来控制初级绕组中的初级电流或变压器的初级绕组两端的初级电压; 和（c）根据初级电流或初级电压通过变压器的次级绕组产生激励电压，以激励放电灯。