公开(公告)号：US20120236604A1

公开(公告)日：2012-09-20

申请号：US13152292

申请日：2011-06-03

申请人： CHIH-CHAN GER ,  TSUNG-LIANG HUNG ,  YUN-BING WANG

发明人： CHIH-CHAN GER ,  TSUNG-LIANG HUNG ,  YUN-BING WANG

IPC分类号： H02M3/335

CPC分类号： H02M3/33507

摘要： A flyback converter having a leading edge blanking (LEB) element keeps detecting whether or not primary-side current of the flyback converter reaches a predetermined threshold, beyond which the flyback converter could be damaged, in a predetermined LEB time corresponding to a leading edge of primary-side current. The flyback converter is turned off when the primary-side current exceeds the predetermined threshold.

摘要翻译： 具有前沿消隐（LEB）元件的反激式转换器在预定的LEB时间内检测反激式转换器的初级侧电流是否达到预定的阈值，在预定的LEB时间内，对应于反激转换器的前沿 初级侧电流。 当初级侧电流超过预定阈值时，反激式转换器关闭。

公开(公告)号：US20120218243A1

公开(公告)日：2012-08-30

申请号：US13167707

申请日：2011-06-24

申请人： CHIH-CHAN GER ,  TSUNG-LIANG HUNG

发明人： CHIH-CHAN GER ,  TSUNG-LIANG HUNG

IPC分类号： G06F3/038

CPC分类号： G09G3/20 ,  G09G2330/02 ,  G09G2330/06

摘要： A power supply system for a display device includes a switch circuit, a transformer and an output filter circuit connected in series, and a controller connected to the switch circuit. The power supply system also comprises a transforming circuit and a superposition circuit. The transforming circuit adjusts amplitude of scanning signals generated by a scanning circuit to generate adjusted scanning signals. The superposition circuit samples high voltage output power signals output by the output filter circuit, superposes the sampled high voltage output power signals and the adjusted scanning signals together to generate a superposition signal, and sends the superposition signal to the controller.

摘要翻译： 用于显示装置的电源系统包括串联连接的开关电路，变压器和输出滤波器电路以及连接到开关电路的控制器。 电源系统还包括变换电路和叠加电路。 变换电路调整由扫描电路产生的扫描信号的振幅，以产生经调整的扫描信号。 叠加电路对由输出滤波电路输出的高压输出功率信号进行采样，将取样的高电压输出功率信号和调整后的扫描信号叠加在一起，产生叠加信号，并将叠加信号发送给控制器。

公开(公告)号：US20110148306A1

公开(公告)日：2011-06-23

申请号：US12702226

申请日：2010-02-08

申请人： CHIH-CHAN GER ,  CHIA-KUN CHEN ,  CHI-CHANG LU

发明人： CHIH-CHAN GER ,  CHIA-KUN CHEN ,  CHI-CHANG LU

IPC分类号： H05B37/03

CPC分类号： H05B33/0887 ,  H05B33/0824 ,  Y02B20/341

摘要： A bypass protection circuit connected to a light emitting diode (LED) group in parallel, comprises a switch circuit and a capacitor. The switch circuit comprises a plurality of switch components, an abnormal detection module and a switch control module. The abnormal detection module detects voltage of the LEDs respectively, and determines which one is broken and outputs an abnormal signal. The switch control module controls a switch component connected to the broken LED in parallel on/off according to the abnormal signal. The capacitor is charged by driving signals of the LEDs when the LEDs are operated according to a normal working mode or a first status of a burst dimming mode, and is discharged to maintain an operating power of the switch circuit when the LEDs are operated according to a second status of the burst dimming mode.

摘要翻译： 并联连接到发光二极管（LED）组的旁路保护电路包括开关电路和电容器。 开关电路包括多个开关元件，异常检测模块和开关控制模块。 异常检测模块分别检测LED的电压，并确定哪个LED被断开并输出异常信号。 开关控制模块根据异常信号并联开/关控制断开的LED连接的开关元件。 当LED根据正常工作模式或突发调光模式的第一状态操作时，通过驱动LED的信号来对电容器进行充电，并且当LED根据触发器操作时，放电以保持开关电路的工作电源 突发调光模式的第二个状态。

公开(公告)号：US20100213862A1

公开(公告)日：2010-08-26

申请号：US12612011

申请日：2009-11-04

申请人： CHIH-CHAN GER ,  CHIA-KUN CHEN

发明人： CHIH-CHAN GER ,  CHIA-KUN CHEN

IPC分类号： H05B41/26

CPC分类号： H05B41/28

摘要： A light source driving device includes a power factor correction (PFC) circuit, a power stage circuit, a power conversion circuit, a balancing circuit, an inverter control signal processor, an inverter controller and an isolation component. Alternating current (AC) signals are converted into electrical signals to drive lamps via the PFC circuit, the power stage circuit, the power conversion circuit and the current balancing circuit. The power conversion circuit including a transformer divides the driving device into a primary side and a secondary side. The inverter control signal processor receives a first control signal output from a secondary side and generates a second control signal. The inverter controller is disposed on the secondary side to drive the power stage circuit.The isolation component transmits the second control signal to the inverter controller and isolates the inverter control signal processor from the inverter controller.

摘要翻译： 光源驱动装置包括功率因数校正（PFC）电路，功率级电路，功率转换电路，平衡电路，逆变器控制信号处理器，逆变器控制器和隔离元件。 交流（AC）信号被转换为电信号，以经由PFC电路，功率级电路，功率转换电路和电流平衡电路来驱动灯。 包括变压器的电力转换电路将驱动装置分成初级侧和次级侧。 逆变器控制信号处理器接收从次级侧输出的第一控制信号并产生第二控制信号。 逆变器控制器设置在次级侧以驱动功率级电路。 隔离部件将第二控制信号发送到逆变器控制器，并将逆变器控制信号处理器与逆变器控制器隔离。

公开(公告)号：US20100123351A1

公开(公告)日：2010-05-20

申请号：US12541669

申请日：2009-08-14

申请人： CHIH-CHAN GER ,  CHIH-CHANG CHANG ,  CHIA-KUN CHEN

发明人： CHIH-CHAN GER ,  CHIH-CHANG CHANG ,  CHIA-KUN CHEN

IPC分类号： H02M3/335

CPC分类号： H02M1/4225 ,  H02M2001/0006 ,  H02M2001/0032 ,  Y02B70/126 ,  Y02B70/16 ,  Y02P80/112 ,  Y10T307/297

摘要： A power device transforms input power into power for output, and includes an input unit, a power factor unit, a first electronic switch, an output unit, and a control signal port. The power factor unit includes a power factor correction circuit and a first detection circuit connected to an output end of the power factor unit and the power factor correction circuit. The first electronic switch is connected to the first detection circuit, and is under control of the control signal port.

摘要翻译： 功率器件将输入功率变换为输出功率，并且包括输入单元，功率因数单元，第一电子开关，输出单元和控制信号端口。 功率因数单元包括功率因数校正电路和连接到功率因数单元和功率因数校正电路的输出端的第一检测电路。 第一个电子开关连接到第一个检测电路，并在控制信号端口的控制下。

公开(公告)号：US20100019875A1

公开(公告)日：2010-01-28

申请号：US12506449

申请日：2009-07-21

申请人： CHIH-CHAN GER ,  CHIA-KUN CHEN

发明人： CHIH-CHAN GER ,  CHIA-KUN CHEN

IPC分类号： H01F27/28

CPC分类号： H01F3/10 ,  H01F27/306 ,  H01F27/324

摘要： A high voltage transformer employed in an inverter includes a first core and a second core. The second core is coupled to the first core. One end of the second core is wrapped by a primary winding, and the other end thereof is wrapped by a secondary winding. A conductive coefficient of the first core is at least 100 times of that of the second core.

摘要翻译： 逆变器中采用的高压变压器包括第一芯和第二芯。 第二个核心耦合到第一个核心。 第二芯的一端被初级绕组包裹，另一端由次级绕组包裹。 第一芯的导电系数为第二芯的导电系数的至少100倍。

公开(公告)号：US20090261758A1

公开(公告)日：2009-10-22

申请号：US12417599

申请日：2009-04-02

申请人： CHIH-CHAN GER

发明人： CHIH-CHAN GER

IPC分类号： H05B37/02

CPC分类号： H05B41/3927

摘要： A light source driving device drives a plurality of light sources. A Power Factor Circuit (PFC) circuit converts a received electrical signal to a DC signal and output to a DC/AC converting circuit. The DC/AC converting circuit converts the DC signal to another AC signal, which is isolated by the transformer circuit. A resonance balancing circuit converts the AC signal output from the transformer circuit to another AC signal to drive the light source module. A PWM dimming controller outputs a control signal to control output of the DC/AC converting circuit according to a received dimming signal, wherein duty cycle of the control signal is fixed. A voltage dividing circuit adjustably divides voltage of the DC signal output from the PFC circuit. A PFC controller feeds the divided signal back to the PFC circuit to control the DC signal output from the PFC circuit.

摘要翻译： 光源驱动装置驱动多个光源。 功率因数电路（PFC）电路将接收的电信号转换为DC信号并输出​​到DC / AC转换电路。 DC / AC转换电路将DC信号转换成由变压器电路隔离的另一AC信号。 谐振平衡电路将从变压器电路输出的AC信号转换为另一AC信号以驱动光源模块。 PWM调光控制器根据所接收的调光信号输出控制信号以控制DC / AC转换电路的输出，其中控制信号的占空比是固定的。 分压电路可调节地分压从PFC电路输出的DC信号的电压。 PFC控制器将分频信号反馈给PFC电路，以控制从PFC电路输出的直流信号。

公开(公告)号：US20080252226A1

公开(公告)日：2008-10-16

申请号：US11962120

申请日：2007-12-21

申请人： CHIH-CHAN GER ,  WEN-LIN CHEN

发明人： CHIH-CHAN GER ,  WEN-LIN CHEN

IPC分类号： H05B37/02

CPC分类号： H05B41/2825

摘要： A light source driving device includes a power stage circuit, a first transformer circuit, a second transformer circuit, and a feedback control circuit. The power stage circuit converts a received signal to an alternating current (AC) signal, which includes a synchronizing switching bridge arm, a first bridge arm, and a second bridge arm. The synchronizing switching bridge arm has a Soft-Switching function, and forms a first full-bridge circuit with the first bridge arm and forms a second full-bridge circuit with the second bridge arm. The first transformer circuit is connected to the first full-bridge circuit, for converting the AC signal. The second transformer circuit is connected to the second full-bridge circuit, for converting the AC signal. The feedback control circuit is connected between the light source module and the power stage circuit, for controlling output of the power stage circuit.

摘要翻译： 光源驱动装置包括功率级电路，第一变压器电路，第二变压器电路和反馈控制电路。 功率级电路将接收到的信号转换成包括同步切换桥臂，第一桥臂和第二桥臂的交流（AC）信号。 同步开关桥臂具有软开关功能，并与第一桥臂形成第一全桥电路，并与第二桥臂形成第二全桥电路。 第一变压器电路连接到第一全桥电路，用于转换AC信号。 第二变压器电路连接到第二全桥电路，用于转换AC信号。 反馈控制电路连接在光源模块和功率级电路之间，用于控制功率级电路的输出。

公开(公告)号：US20070046218A1

公开(公告)日：2007-03-01

申请号：US11308580

申请日：2006-04-08

申请人： CHIH-CHAN GER ,  WEN-LIN CHEN

发明人： CHIH-CHAN GER ,  WEN-LIN CHEN

IPC分类号： H05B41/36

CPC分类号： H05B41/2827

摘要： A power system for driving plural or multiple lamps includes a transformer circuit, a filter and steady-flow circuit, and a light source. The transformer circuit transforms a voltage level of an input AC signal, and includes a first output end for outputting a first AC signal, and a second output end for outputting a second AC signal. The first and second AC signals are opposite in phase. The filter and steady-flow circuit includes a first plurality of filter and steady-flow units connected to the first output end for suppressing harmonic signals of the first AC signal and outputting a plurality of third AC signals. The light source has a first plurality of lamps, each of which having one end connected to one of a respective one of the first plurality of filter and steady-flow units so as to be driven by a respective one of the third AC signals.

摘要翻译： 用于驱动多个或多个灯的电力系统包括变压器电路，滤波器和稳流电路以及光源。 变压器电路变换输入AC信号的电压电平，并且包括用于输出第一AC信号的第一输出端和用于输出第二AC信号的第二输出端。 第一和第二AC信号相位相反。 滤波器和稳流电路包括连接到第一输出端的第一多个滤波器和稳流单元，用于抑制第一AC信号的谐波信号并输出​​多个第三AC信号。 光源具有第一多个灯，每个灯的一端连接到第一多个滤波器和稳流单元中的相应一个中的一个，以便由第三AC信号中的相应一个驱动。