公开(公告)号：US09035561B2

公开(公告)日：2015-05-19

申请号：US13860568

申请日：2013-04-11

申请人： Ampower Technology Co., Ltd.

发明人： Cheng-Hung Tsai ,  Yong-Long Lee

IPC分类号： H05B41/00 ,  H05B33/08

CPC分类号： H05B33/0815 ,  H05B33/0827

摘要： An exemplary light emitting diode (LED) driving system includes a direct current/direct current (DC/DC) converter, a detection circuit, a control circuit, a pulse width modulation (PWM) controller, and a current balance circuit. The DC/DC converter outputs a suitable direct current voltage to drive an LED array. The detection circuit detects cathode voltages of LED strings of the LED array. The control circuit generates and outputs a control signal to the PWM controller, and generates and outputs various adjusting signals. The current balance circuit adjusts current flowing through two of the LED strings, which have a minimum and a maximum detected cathode voltage, respectively. The current balance circuit includes switches. A related LED driving method is also provided.

摘要翻译： 示例性的发光二极管（LED）驱动系统包括直流/直流（DC / DC）转换器，检测电路，控制电路，脉冲宽度调制（PWM）控制器和电流平衡电路。 DC / DC转换器输出合适的直流电压来驱动LED阵列。 检测电路检测LED阵列的LED串的阴极电压。 控制电路产生并输出到PWM控制器的控制信号，并产生和输出各种调节信号。 电流平衡电路调节流过两个LED串的电流，LED串分别具有最小和最大检测到的阴极电压。 目前的平衡电路包括开关。 还提供了相关的LED驱动方法。

公开(公告)号：US08749472B2

公开(公告)日：2014-06-10

申请号：US13283606

申请日：2011-10-28

申请人： Cheng-Hung Tsai ,  Chin-Po Cheng

发明人： Cheng-Hung Tsai ,  Chin-Po Cheng

IPC分类号： G09G3/36 ,  G06F3/038 ,  G09G5/00

CPC分类号： G09G3/003 ,  G09G3/3406 ,  G09G2320/0633 ,  H04N13/356 ,  H04N13/398

摘要： A light emitting diode (LED) driving system driving a LED array of a display device includes a converter circuit, a pulse width modulator (PWM) controller, a 2D parameter circuit, a 3D parameter circuit and a microcontroller. The 3D parameter circuit outputs 3D parameter control signals when the display device is in a 3D mode, and stops from generating the 3D parameter control signals when the display device is in a 2D mode. The PWM controller outputs PWM signals to control the converter circuit according to outputs of the 2D parameter circuit and the 3D parameter circuit.

摘要翻译： 驱动显示装置的LED阵列的发光二极管（LED）驱动系统包括转换器电路，脉冲宽度调制器（PWM）控制器，2D参数电路，3D参数电路和微控制器。 当3D显示设备处于3D模式时，3D参数电路输出3D参数控制信号，并且当显示设备处于2D模式时停止生成3D参数控制信号。 PWM控制器输出PWM信号，根据2D参数电路和3D参数电路的输出控制转换器电路。

公开(公告)号：US08653694B2

公开(公告)日：2014-02-18

申请号：US12941090

申请日：2010-11-08

申请人： Tsung-Liang Hung ,  Chih-Chan Ger

发明人： Tsung-Liang Hung ,  Chih-Chan Ger

IPC分类号： H02J1/00 ,  H02J3/00

CPC分类号： H01L31/02021 ,  H01L31/044 ,  H01L31/05 ,  H02J1/10 ,  H02J3/383 ,  H04B3/548 ,  H04B2203/5458 ,  H04B2203/547 ,  Y02E10/563 ,  Y10T307/685

摘要： A junction box connected to a plurality of solar cell panels connected in series and under control a control device, includes a plurality of diodes, two ports, a switch, and a communication module. The plurality of diodes is forwardly connected in series to form a diode string with two ends, and each of the plurality of diodes is electrically connected to a corresponding one of the plurality of solar cell panels in parallel. The two ports are respectively connected to the two ends of the diode string and the plurality of solar cell panels, and output DC power of the plurality of solar cell panels. The switch is connected between the diode string and the two ports. The communication module is connected to the switch, and receives control signals from the control device to turn on or off the switch to control output of the DC power of the solar cell panels from the two ports.

摘要翻译： 连接到串联并控制控制装置的多个太阳能电池面板的接线盒包括多个二极管，两个端口，开关和通信模块。 多个二极管串联地前向连接以形成具有两端的二极管串，并且多个二极管中的每一个并联地电连接到多个太阳能电池板中的对应的一个。 两个端口分别连接到二极管串和多个太阳能电池板的两端，并输出多个太阳能电池板的直流电力。 开关连接在二极管串和两个端口之间。 通信模块连接到开关，并且从控制装置接收控制信号以打开或关闭开关，以控制来自两个端口的太阳能电池板的直流电力的输出。

公开(公告)号：US08581099B2

公开(公告)日：2013-11-12

申请号：US13433188

申请日：2012-03-28

申请人： Chih-Chan Ger ,  Yu-Hsiang Liao ,  Shang-Ting Chen ,  Yun-Bing Wang

发明人： Chih-Chan Ger ,  Yu-Hsiang Liao ,  Shang-Ting Chen ,  Yun-Bing Wang

IPC分类号： H01R13/46

CPC分类号： H02G3/16 ,  H02S40/34

摘要： A photovoltaic junction box includes a housing, a circuit board received in the housing, a plurality of metal brackets, and a plurality of bypass diodes. The plurality of metal brackets are secured to the circuit board, each of the plurality of metal brackets defines a receiving space receiving a spring sheet. The plurality of bypass diodes are respectively secured to the plurality of metal brackets and electrically connected to the circuit board. Each of a plurality of ribbons is clamped between the spring sheet and a corresponding metal bracket, and the ribbon directly and electrically contacts the corresponding metal bracket.

摘要翻译： 光伏接线盒包括壳体，容纳在壳体中的电路板，多个金属支架和多个旁路二极管。 多个金属托架固定到电路板上，多个金属托架中的每一个限定了容纳弹簧片的容纳空间。 多个旁路二极管分别固定在多个金属托架上并与电路板电连接。 多个带中的每一个被夹在弹簧片和相应的金属支架之间，并且带直接并电接触相应的金属支架。

公开(公告)号：US08446106B2

公开(公告)日：2013-05-21

申请号：US13165774

申请日：2011-06-21

申请人： Chi-Hsiung Lee ,  Yu-Hsiao Chao

发明人： Chi-Hsiung Lee ,  Yu-Hsiao Chao

IPC分类号： H05B41/36 ,  H05B37/02

CPC分类号： H05B33/089 ,  G09G3/3406 ,  H05B33/0815 ,  Y02B20/341

摘要： A light emitting diode (LED) driving system comprises a plurality of current limitation circuits and a plurality of over-voltage protection circuits to driving a plurality of LED strings. Each of the current limitation circuits comprises a first switch comprising a control pole receiving a reference voltage, a first pole correspondingly connected to a LED string, and a second pole connected to the ground via a first resistor and a second switch comprising a control pole connected to the second pole of the first switch via a second resistor, a first pole receiving the reference voltage, and a second pole grounded. Each of the over-voltage protection circuits comprises a zener diode, a third switch and a first capacitor.

摘要翻译： 发光二极管（LED）驱动系统包括多个电流限制电路和多个过电压保护电路以驱动多个LED串。 每个电流限制电路包括第一开关，其包括接收参考电压的控制极，相应地连接到LED串的第一极和经由第一电阻连接到地的第二极和包括连接到控制极的控制极的第二开关 经由第二电阻到第一开关的第二极，接收参考电压的第一极和接地的第二极。 每个过电压保护电路包括齐纳二极管，第三开关和第一电容器。

公开(公告)号：US08344650B2

公开(公告)日：2013-01-01

申请号：US12603660

申请日：2009-10-22

申请人： Li-Ho Shen ,  Chien-Hung Chen

发明人： Li-Ho Shen ,  Chien-Hung Chen

IPC分类号： H05B37/02

CPC分类号： H05B41/2827 ,  G09G3/3406 ,  G09G2320/064 ,  G09G2330/021

摘要： A backlight driving system driving a plurality of lamp groups comprises a phase controller, a pulse width module (PWM) controller, a plurality of power stages, a plurality of transformers and a plurality of switch circuits. The phase controller generates a plurality of phase signals. The PWM controller generates PWM signals. The power stages receive and convert direct current (DC) signals from an external power source to alternative current (AC) signals under the control of the PWM signals. The transformers receive and boost up the AC signals from the power stages to drive the lamp groups. The switch circuits alternatively transmit the DC power signals from the external power source and the PWM signals from the PWM controller to the power stages so as to control outputs of the power stages.

摘要翻译： 驱动多个灯组的背光驱动系统包括相位控制器，脉冲宽度模块（PWM）控制器，多个功率级，多个变压器和多个开关电路。 相位控制器产生多个相位信号。 PWM控制器产生PWM信号。 功率级在PWM信号的控制下接收并将直流（DC）信号从外部电源转换为替代电流（AC）信号。 变压器接收并提升来自功率级的交流信号，以驱动灯组。 开关电路将来自外部电源的DC电力信号和来自PWM控制器的PWM信号交替地发送到功率级，以便控制功率级的输出。

公开(公告)号：US08335090B2

公开(公告)日：2012-12-18

申请号：US12649558

申请日：2009-12-30

申请人： Wei-Chi Huang ,  Tsung-Liang Hung ,  Yu-Hsiao Chao ,  Chi-Hsiung Lee

发明人： Wei-Chi Huang ,  Tsung-Liang Hung ,  Yu-Hsiao Chao ,  Chi-Hsiung Lee

IPC分类号： H02M3/335

CPC分类号： H02J7/35 ,  H01L31/02021 ,  H02J3/383 ,  H02M2001/007 ,  Y02E10/563 ,  Y02E10/566 ,  Y02E10/58

摘要： A solar power supply system includes at least one solar power conversion circuit and an inverter circuit. Each solar power conversion circuit comprises a solar module and a direct current (DC) module. The solar module converts the solar power into the DC signals. The DC module with two-stage conversion comprises a DC transformer circuit and a maximum power point tracking circuit, to boost the DC signals and adjust output power of the solar module to a maximum value. The inverter circuit converts the boosted DC signals output from the solar power conversion circuits into AC signals and combines the AC signals into the AC utility network.

摘要翻译： 太阳能供电系统包括至少一个太阳能转换电路和逆变器电路。 每个太阳能转换电路包括太阳能模块和直流（DC）模块。 太阳能模块将太阳能转换为直流信号。 具有两级转换的直流模块包括直流变压器电路和最大功率点跟踪电路，用于升压直流信号并将太阳能模块的输出功率调整到最大值。 逆变器电路将从太阳能转换电路输出的升压直流信号转换为交流信号，并将交流信号组合到交流电力网络中。

公开(公告)号：US08247996B2

公开(公告)日：2012-08-21

申请号：US12732198

申请日：2010-03-26

申请人： Wei-Chi Huang ,  Cheng-Ta Lin ,  Tsung-Liang Hung

发明人： Wei-Chi Huang ,  Cheng-Ta Lin ,  Tsung-Liang Hung

IPC分类号： G05F1/00

CPC分类号： H05B41/2828 ,  G09G3/3406 ,  G09G2320/062 ,  G09G2330/021 ,  Y02B20/186

摘要： A backlight driving system comprises a first inverter circuit, a second inverter circuit, a pulse width modulation (PWM) controller, a frequency regulator and a switch circuit. The pulse width modulation (PWM) controller generates an illumination signal to control the first and second inverter circuits to illuminate first and second backlight units in response to a first enable signal, and generates a maintaining signal to control the first and second inverter circuits to maintain stable lighting of the first and second backlight units in response to a first feedback signal. The frequency regulator controls the PWM controller to generate the illumination signal and the maintaining signal in response to a second enable signal and a second feedback signal, respectively. The switch circuit connects the PWM controller to the second inverter circuit in response to the second enable signal.

摘要翻译： 背光驱动系统包括第一反相器电路，第二反相器电路，脉冲宽度调制（PWM）控制器，频率调节器和开关电路。 脉冲宽度调制（PWM）控制器产生照明信号，以控制第一和第二反相器电路响应于第一使能信号照亮第一和第二背光单元，并产生维持信号以控制第一和第二反相器电路维持 响应于第一反馈信号稳定地照亮第一和第二背光单元。 频率调节器控制PWM控制器以分别响应于第二使能信号和第二反馈信号产生照明信号和维持信号。 开关电路响应于第二使能信号将PWM控制器连接到第二反相器电路。

公开(公告)号：US20120188801A1

公开(公告)日：2012-07-26

申请号：US13072764

申请日：2011-03-27

申请人： CHI-HSIUNG LEE ,  CHIEN-CHIEH TAI ,  HUNG-YI CHEN

发明人： CHI-HSIUNG LEE ,  CHIEN-CHIEH TAI ,  HUNG-YI CHEN

IPC分类号： H02M3/335

CPC分类号： H02M3/33561

摘要： A flyback power system includes a rectifier and filter circuit, a pulse width modulation (PWM) controller, a feedback circuit, a master converter circuit, a slave converter circuit, and a slave converter control circuit. The master converter circuit continuously converts power signals from the rectifier and filter circuit into first direct current (DC) power signals to drive load according to PWM signals of the PWM controller when the flyback power system powered on. The slave converter circuit converts the power signals from the rectifier and filter circuit into second DC power signals according to the PWM signals, and superposes the second DC power signals to the first DC power signals to drive the load when the load is heavy. The slave converter control circuit detects whether the load is heavy, and controls the PWM signals whether to input into the slave converter circuit according to a state of the load.

摘要翻译： 反激式电力系统包括整流器和滤波器电路，脉冲宽度调制（PWM）控制器，反馈电路，主转换器电路，从属转换器电路和从转换器控制电路。 当反激式电源系统通电时，主变流器电路将来自整流器和滤波电路的功率信号连续地转换为第一直流（DC）功率信号，以根据PWM控制器的PWM信号驱动负载。 从转换器电路根据PWM信号将来自整流器和滤波电路的功率信号转换为第二直流电源信号，并将第二直流电源信号叠加到第一直流电源信号，以在负载较重时驱动负载。 从变换器控制电路检测负载是否很重，并根据负载状态控制PWM信号是否输入到从变换器电路。

公开(公告)号：US20120038447A1

公开(公告)日：2012-02-16

申请号：US12873275

申请日：2010-08-31

申请人： YU-SHENG TAO ,  CHIH-CHAN GER ,  LIEN-FU CHIEN

发明人： YU-SHENG TAO ,  CHIH-CHAN GER ,  LIEN-FU CHIEN

IPC分类号： H01F27/29

CPC分类号： H01F27/326

摘要： A transformer can be mounted on a circuit board. The circuit board includes a high-voltage line and a load. The transformer includes a bobbin used for winding a coil. The bobbin includes a first secondary area. A first secondary high voltage pole extends from the first secondary area. A first secondary high voltage pin is fixed on an end of the first secondary high voltage pole away from the first secondary area. The bobbin is made of an insulator. The first secondary high voltage pin is made of a conductor. The high voltage end of the coil is disposed on a top surface of the first secondary high voltage pole and electrically connected to the first secondary high voltage pin. The first secondary high voltage pole is capable of jumping across the high-voltage line to make the first secondary high voltage pin to electrically connect to the load.

摘要翻译： 变压器可以安装在电路板上。 电路板包括高压线和负载。 变压器包括用于卷绕线圈的线轴。 线轴包括第一辅助区域。 第一副高压电极从第一辅助区域延伸。 第一次级高压引脚固定在远离第一辅助区域的第一次级高压极端的一端。 线轴由绝缘体制成。 第一个次级高压引脚由导体制成。 线圈的高压端设置在第一次级高压极的顶表面上并电连接到第一次级高压引脚。 第一个次级高压极能够跳过高压线，使第一个次级高压引脚电连接到负载。