公开(公告)号：US20090152569A1

公开(公告)日：2009-06-18

申请号：US12037271

申请日：2008-02-26

申请人： Ching-Chi Cheng ,  Shang-Jin Yan ,  Chung-Tsai Huang ,  Po-Yi Lee

发明人： Ching-Chi Cheng ,  Shang-Jin Yan ,  Chung-Tsai Huang ,  Po-Yi Lee

IPC分类号： H01L25/075

CPC分类号： H05B33/0854 ,  H01L25/0753 ,  H01L25/167 ,  H01L2924/0002 ,  H01L2924/00

摘要： The present invention relates to a LED module with a reduced operating temperature. The LED module includes a substrate, a plurality of LED chips, a carrier and an encapsulant layer. These LED chips are disposed on the substrate and electrically connected to the substrate and are divided into a first LED chip set and a second LED chip set. The carrier is coupled to the substrate and has a driving circuit. The driving circuit is electrically connected to the plurality of LED chips for driving operations of the plurality of LED chips. The first LED chip set and the second LED chip set emit light in an alternate lighting manner or in a combined simultaneous/alternate lighting manner so as to reduce the operating temperature of the LED module. The encapsulant layer covers the plurality of LED chips, the substrate and the carrier having the driving circuit.

摘要翻译： 本发明涉及具有降低的工作温度的LED模块。 LED模块包括基板，多个LED芯片，载体和密封剂层。 这些LED芯片设置在基板上并电连接到基板，并被分为第一LED芯片组和第二LED芯片组。 载体耦合到衬底并具有驱动电路。 驱动电路电连接到多个LED芯片，用于驱动多个LED芯片的操作。 第一LED芯片组和第二LED芯片组以交替的照明方式或组合的同时/交替点亮方式发光，以便降低LED模块的工作温度。 封装层覆盖多个LED芯片，衬底和载体具有驱动电路。

公开(公告)号：US08400077B2

公开(公告)日：2013-03-19

申请号：US12817738

申请日：2010-06-17

申请人： Chung-Tsai Huang ,  Po-Yi Lee ,  Shang-Jin Yan

发明人： Chung-Tsai Huang ,  Po-Yi Lee ,  Shang-Jin Yan

IPC分类号： H05B37/00

CPC分类号： H05B33/0815

摘要： A power supply circuit for receiving an input voltage and outputting a driving voltage to at least one LED string. The power supply circuit includes a rear-stage converting circuit and a control circuit. The rear-stage converting circuit is used for receiving the input voltage and converting the input voltage into a compensating voltage. The control circuit is connected to the rear-stage converting circuit and the LED string for detecting the magnitude of a current passing through the LED string, thereby controlling the current passing through the LED string to be identical. The driving voltage is outputted from the power supply circuit. The driving voltage is a summation of the input voltage and the compensating voltage.

摘要翻译： 一种用于接收输入电压并向至少一个LED串输出驱动电压的电源电路。 电源电路包括后级转换电路和控制电路。 后级转换电路用于接收输入电压并将输入电压转换成补偿电压。 控制电路连接到后级转换电路和LED串，用于检测通过LED串的电流的大小，从而控制通过LED串的电流相同。 从电源电路输出驱动电压。 驱动电压是输入电压和补偿电压的总和。

公开(公告)号：US08183795B2

公开(公告)日：2012-05-22

申请号：US12489984

申请日：2009-06-23

申请人： Chung-Tsai Huang ,  Shang-Jin Yan ,  Po-Yi Lee

发明人： Chung-Tsai Huang ,  Shang-Jin Yan ,  Po-Yi Lee

IPC分类号： G05F1/00 ,  H05B37/02 ,  H05B39/04 ,  H05B41/36

CPC分类号： H05B33/0818 ,  Y02B20/347

摘要： A LED current-controlling circuit includes a first magnetic amplifier, a first current detecting circuit, a first magnetic amplifier controller and a first diode. The first magnetic amplifier is connected to an input terminal of the LED current-controlling circuit and the first LED string. The first current detecting circuit is connected to the first LED string in series for detecting the first current flowing through the first LED string. The first magnetic amplifier controller is used for controlling on/off statuses of the first magnetic amplifier. The first diode is connected to an output terminal of the first magnetic amplifier, the first LED string and the first magnetic amplifier controller. The first magnetic amplifier controller controls on/off statuses of the first magnetic amplifier according to the magnitude of the first current, thereby maintaining the first current at a specified DC current level.

摘要翻译： LED电流控制电路包括第一磁放大器，第一电流检测电路，第一磁放大器控制器和第一二极管。 第一磁放大器连接到LED电流控制电路和第一LED串的输入端。 第一电流检测电路串联连接到第一LED串，用于检测流过第一LED串的第一电流。 第一磁放大器控制器用于控制第一磁放大器的开/关状态。 第一二极管连接到第一磁放大器的输出端，第一LED串和第一磁放大器控制器。 第一磁放大器控制器根据第一电流的大小控制第一磁放大器的开/关状态，从而将第一电流保持在指定的直流电流水平。

公开(公告)号：US08044600B2

公开(公告)日：2011-10-25

申请号：US12236237

申请日：2008-09-23

申请人： Shang-Jin Yan ,  Chung-Tsai Huang ,  Po-Yi Lee

发明人： Shang-Jin Yan ,  Chung-Tsai Huang ,  Po-Yi Lee

IPC分类号： H05B37/02

CPC分类号： H05B33/0815 ,  H05B33/0845

摘要： A brightness-adjustable LED driving circuit includes a rectifying and filtering circuit, a power factor correction power conversion circuit, and a detecting and controlling circuit. The rectifying and filtering circuit is used for filtering and rectifying a brightness adjusting voltage into a first DC voltage. The power factor correction power conversion circuit is electrically connected to the rectifying and filtering circuit and at least one LED string for generating an output current required for powering the at least one LED string. The detecting and controlling circuit detects phase data of the brightness adjusting voltage and the output current generated by the power factor correction power conversion circuit. The detecting and controlling circuit generates a control signal to the power factor correction controller according to the phase data of the brightness adjusting voltage, so that the magnitude of the output current is changed according to the phase data of the brightness adjusting voltage.

摘要翻译： 亮度可调的LED驱动电路包括整流滤波电路，功率因数校正功率转换电路和检测和控制电路。 整流滤波电路用于将亮度调整电压滤波和整流为第一直流电压。 功率因数校正功率转换电路电连接到整流和滤波电路以及至少一个LED串，用于产生为至少一个LED串供电所需的输出电流。 检测和控制电路检测亮度调节电压和由功率因数校正功率转换电路产生的输出电流的相位数据。 检测和控制电路根据亮度调节电压的相位数据向功率因数校正控制器产生控制信号，使得输出电流的大小根据亮度调节电压的相位数据而改变。

公开(公告)号：US20100320937A1

公开(公告)日：2010-12-23

申请号：US12817738

申请日：2010-06-17

申请人： Chung-Tsai Huang ,  Po-Yi Lee ,  Shang-Jin Yan

发明人： Chung-Tsai Huang ,  Po-Yi Lee ,  Shang-Jin Yan

IPC分类号： H05B41/36

CPC分类号： H05B33/0815

摘要： A power supply circuit for receiving an input voltage and outputting a driving voltage to at least one LED string. The power supply circuit includes a rear-stage converting circuit and a control circuit. The rear-stage converting circuit is used for receiving the input voltage and converting the input voltage into a compensating voltage. The control circuit is connected to the rear-stage converting circuit and the LED string for detecting the magnitude of a current passing through the LED string, thereby controlling the current passing through the LED string to be identical. The driving voltage is outputted from the power supply circuit. The driving voltage is a summation of the input voltage and the compensating voltage.

摘要翻译： 一种用于接收输入电压并向至少一个LED串输出驱动电压的电源电路。 电源电路包括后级转换电路和控制电路。 后级转换电路用于接收输入电压并将输入电压转换成补偿电压。 控制电路连接到后级转换电路和LED串，用于检测通过LED串的电流的大小，从而控制通过LED串的电流相同。 从电源电路输出驱动电压。 驱动电压是输入电压和补偿电压的总和。

公开(公告)号：US20090195169A1

公开(公告)日：2009-08-06

申请号：US12236262

申请日：2008-09-23

申请人： Chung-Tsai Huang ,  Shang-Jin Yan ,  Ching-Chi Cheng ,  Po-Yi Lee

发明人： Chung-Tsai Huang ,  Shang-Jin Yan ,  Ching-Chi Cheng ,  Po-Yi Lee

IPC分类号： H05B37/02

CPC分类号： H05B33/0851

摘要： The present invention provides a power supply circuit for driving multiple sets of DC loads. The power supply circuit includes a current providing circuit, a sharing circuit and a current control unit. The current providing circuit receives and regulates a supply voltage into specified output currents to be supplied to the multiple sets of DC loads. The sharing circuit is connected in series with output terminals of the current providing circuit and the multiple sets of DC loads. The sharing circuit includes at least one coupling inductor member for performing equal current sharing among the multiple sets of DC loads. The current control unit is connected to the current providing circuit and the multiple sets of DC loads for detecting magnitudes of the current passing through the multiple sets of DC loads and controlling the output currents from the current providing circuit.

摘要翻译： 本发明提供一种用于驱动多组DC负载的电源电路。 电源电路包括电流提供电路，共享电路和电流控制单元。 电流提供电路将电源电压接收并调节到指定的输出电流以供应给多组DC负载。 共享电路与电流提供电路的输出端子和多组DC负载串联连接。 共享电路包括用于在多组DC负载之间执行相等的电流共享的至少一个耦合电感器构件。 电流控制单元连接到电流提供电路和多组DC负载，用于检测通过多组DC负载的电流的大小，并控制来自电流提供电路的输出电流。

公开(公告)号：US20090153076A1

公开(公告)日：2009-06-18

申请号：US12036945

申请日：2008-02-25

申请人： Chung-Tsai Huang ,  Ching-Chi Cheng ,  Po-Yi Lee ,  Shang-Jin Yan

发明人： Chung-Tsai Huang ,  Ching-Chi Cheng ,  Po-Yi Lee ,  Shang-Jin Yan

IPC分类号： H05B41/36

CPC分类号： H05B33/089 ,  H05B33/0803 ,  H05B33/0818 ,  H05B33/0821 ,  H05B33/0854 ,  Y02B20/346

摘要： The present invention relates to a driving circuit for driving one or multiple LED chip sets. The driving circuit includes a power converting circuit, one or multiple switching elements, and a controller. The power converting circuit is electrically connected to the one or multiple LED chip sets for receiving an input power and converting the input power into a regulated output voltage or current required for illuminating the one or multiple LED chip sets. The one or multiple switching elements electrically connected to the one or multiple LED chip sets. The controller is electrically connected to the switching elements for controlling alternate or combined simultaneous/alternate switching on/off statuses of the one or multiple switching elements, so that the one or multiple LED chip sets emit light in an alternate lighting manner or a combined simultaneous/alternate lighting manner to reduce the operating temperatures of the one or multiple LED chip sets.

摘要翻译： 本发明涉及驱动一个或多个LED芯片组的驱动电路。 驱动电路包括功率转换电路，一个或多个开关元件和控制器。 电力转换电路电连接到一个或多个LED芯片组，用于接收输入功率，并将输入功率转换成照明一个或多个LED芯片组所需的稳定输出电压或电流。 一个或多个开关元件电连接到一个或多个LED芯片组。 控制器电连接到开关元件，用于控制一个或多个开关元件的交替或并联的同时/交替的开/关状态，使得一个或多个LED芯片组以交替的照明方式或组合的同时发光 /交替照明方式，以降低一个或多个LED芯片组的工作温度。

公开(公告)号：US20100001661A1

公开(公告)日：2010-01-07

申请号：US12489984

申请日：2009-06-23

申请人： Chung-Tsai Huang ,  Shang-Jin Yan ,  Po-Yi Lee

发明人： Chung-Tsai Huang ,  Shang-Jin Yan ,  Po-Yi Lee

IPC分类号： H05B37/02

CPC分类号： H05B33/0818 ,  Y02B20/347

摘要： A LED current-controlling circuit includes a first magnetic amplifier, a first current detecting circuit, a first magnetic amplifier controller and a first diode. The first magnetic amplifier is connected to an input terminal of the LED current-controlling circuit and the first LED string. The first current detecting circuit is connected to the first LED string in series for detecting the first current flowing through the first LED string. The first magnetic amplifier controller is used for controlling on/off statuses of the first magnetic amplifier. The first diode is connected to an output terminal of the first magnetic amplifier, the first LED string and the first magnetic amplifier controller. The first magnetic amplifier controller controls on/off statuses of the first magnetic amplifier according to the magnitude of the first current, thereby maintaining the first current at a specified DC current level.

摘要翻译： LED电流控制电路包括第一磁放大器，第一电流检测电路，第一磁放大器控制器和第一二极管。 第一磁放大器连接到LED电流控制电路和第一LED串的输入端。 第一电流检测电路串联连接到第一LED串，用于检测流过第一LED串的第一电流。 第一磁放大器控制器用于控制第一磁放大器的开/关状态。 第一二极管连接到第一磁放大器的输出端，第一LED串和第一磁放大器控制器。 第一磁放大器控制器根据第一电流的大小控制第一磁放大器的开/关状态，从而将第一电流保持在指定的直流电流水平。

公开(公告)号：US20090315480A1

公开(公告)日：2009-12-24

申请号：US12236237

申请日：2008-09-23

申请人： Shang-Jin Yan ,  Chung-Tsai Huang ,  Po-Yi Lee

发明人： Shang-Jin Yan ,  Chung-Tsai Huang ,  Po-Yi Lee

IPC分类号： H05B41/36

CPC分类号： H05B33/0815 ,  H05B33/0845

摘要： A brightness-adjustable LED driving circuit includes a rectifying and filtering circuit, a power factor correction power conversion circuit, and a detecting and controlling circuit. The rectifying and filtering circuit is used for filtering and rectifying a brightness adjusting voltage into a first DC voltage. The power factor correction power conversion circuit is electrically connected to the rectifying and filtering circuit and at least one LED string for generating an output current required for powering the at least one LED string. The detecting and controlling circuit detects phase data of the brightness adjusting voltage and the output current generated by the power factor correction power conversion circuit. The detecting and controlling circuit generates a control signal to the power factor correction controller according to the phase data of the brightness adjusting voltage, so that the magnitude of the output current is changed according to the phase data of the brightness adjusting voltage.

摘要翻译： 亮度可调的LED驱动电路包括整流滤波电路，功率因数校正功率转换电路和检测和控制电路。 整流滤波电路用于将亮度调整电压滤波和整流为第一直流电压。 功率因数校正功率转换电路电连接到整流和滤波电路以及至少一个LED串，用于产生为至少一个LED串供电所需的输出电流。 检测和控制电路检测亮度调节电压和由功率因数校正功率转换电路产生的输出电流的相位数据。 检测和控制电路根据亮度调节电压的相位数据向功率因数校正控制器产生控制信号，使得输出电流的大小根据亮度调节电压的相位数据而改变。

公开(公告)号：US20130057152A1

公开(公告)日：2013-03-07

申请号：US13592815

申请日：2012-08-23

申请人： Chung-Tsai Huang ,  Shang-Jin Yan ,  Hsiang-Chen Wu

发明人： Chung-Tsai Huang ,  Shang-Jin Yan ,  Hsiang-Chen Wu

IPC分类号： H05B37/02

CPC分类号： H05B33/083

摘要： Provided is a LED lighting system, including a lighting device driver having a power converter for converting an input voltage into a first DC voltage and outputting a first current having a substantially constant current value; and a LED lighting device assembly connected to the lighting device driver through two contacts. The LED lighting device assembly includes a plurality of light-emitting diode lighting devices having a plurality of lighting device connection bases and a plurality of LED units. The lighting device connection bases are connected in series with each other to allow the LED lighting devices to be connected in series with each other, and the lamp voltage is applied across the positive terminal and the negative terminal of the lighting device connection base and is generated by dividing the first DC voltage, thereby allowing the lamp currents outputted by the lighting device connection bases are substantially equal.

摘要翻译： 提供了一种LED照明系统，包括：具有用于将输入电压转换为第一直流电压并输出具有基本恒定电流值的第一电流的功率转换器的照明装置驱动器; 以及通过两个触点连接到照明装置驱动器的LED照明装置组件。 LED照明装置组件包括具有多个照明装置连接基座和多个LED单元的多个发光二极管照明装置。 照明装置连接基座彼此串联连接，使得LED照明装置彼此串联连接，灯电压施加在照明装置连接基座的正极端子和负极端子之间，并被产生 通过划分第一直流电压，从而允许由照明装置连接基座输出的灯电流基本相等。