公开(公告)号：US08310169B2

公开(公告)日：2012-11-13

申请号：US12829363

申请日：2010-07-01

Applicant: Chung-Che Yu

Inventor： Chung-Che Yu

IPC: H05B41/16 ,  H05B41/24 ,  H05B41/36 ,  H05B37/00 ,  H05B39/00

CPC classification number: H05B33/089 ,  H05B41/2985

Abstract: A power conversion driving circuit is provided. The power conversion drive circuit includes a converting circuit, a control circuit and a load circuit. The converting circuit is coupled to an input voltage. The control circuit is coupled to the converting circuit for controlling the converting circuit to convert the input voltage to an output voltage. The load circuit includes a load detecting unit and a load. The load is coupled to the output voltage, and the load detecting unit is coupled to a detecting voltage source. The load detecting unit generates a load detecting signal to re-start the control circuit when the load circuit is inserted into the power conversion driving circuit.

Abstract translation: 提供电力转换驱动电路。 电力转换驱动电路包括转换电路，控制电路和负载电路。 转换电路耦合到输入电压。 控制电路耦合到转换电路，用于控制转换电路将输入电压转换为输出电压。 负载电路包括负载检测单元和负载。 负载耦合到输出电压，并且负载检测单元耦合到检测电压源。 当负载电路插入电力转换驱动电路时，负载检测单元产生负载检测信号以重新启动控制电路。

公开(公告)号：US20120235570A1

公开(公告)日：2012-09-20

申请号：US13354343

申请日：2012-01-20

Applicant: Chung-Che Yu

Inventor： Chung-Che Yu

IPC: H05B37/02

CPC classification number: H05B33/0815 ,  H05B33/0848

Abstract: The present invention discloses an LED driving circuit and controller, capable of maintaining an average value of a current flowing through an LED module at a predetermined current value. The LED driving circuit and controller compensates influences of any factors deviating the average value of the current flowing through the LED module by modulating a period of constant on time or constant off time, or by modulating the determining value(s) of current peak value and/or current valley value according to a difference between an actual average value and the preset current value.

Abstract translation: 本发明公开了一种LED驱动电路和控制器，其能够将流过LED模块的电流的平均值保持在预定电流值。 LED驱动电路和控制器通过调制恒定导通时间或恒定关闭时间的周期，或通过调制电流峰值的确定值来补偿影响流过LED模块的电流的平均值的任何因素的影响， /或当前谷值根据实际平均值和预置电流值之间的差值。

公开(公告)号：US20120106008A1

公开(公告)日：2012-05-03

申请号：US13192491

申请日：2011-07-28

Applicant: Li-Min Lee ,  Chung-Che Yu ,  Shian-Sung Shiu ,  Ji-Ming Chen

Inventor： Li-Min Lee ,  Chung-Che Yu ,  Shian-Sung Shiu ,  Ji-Ming Chen

IPC: H02H3/20

CPC classification number: H02M3/156 ,  H02M2001/0038

Abstract: A spike suppression circuit for filtering out voltage oscillation produced by an inductive component and a conversion control circuit are disclosed. The spike suppression circuit includes an energy release path and a detection circuit. One end of the energy release path is coupled to a connection terminal of a circuit, and the other end thereof is coupled to a reference voltage. The detection circuit is coupled to the connection terminal. The detection circuit has a high-pass component for turning on the energy release path when the voltage on the connection terminal has a high-frequency signal.

Abstract translation: 公开了一种用于滤除由电感元件和转换控制电路产生的电压振荡的尖峰抑制电路。 尖峰抑制电路包括能量释放路径和检测电路。 能量释放路径的一端耦合到电路的连接端子，并且其另一端耦合到参考电压。 检测电路耦合到连接端子。 当连接端子上的电压具有高频信号时，检测电路具有用于接通能量释放路径的高通分量。

公开(公告)号：US08143797B2

公开(公告)日：2012-03-27

申请号：US13042472

申请日：2011-03-08

Applicant: Chung-Che Yu ,  Shih-Chung Huang ,  Chien-Pang Hung ,  Chih-Shun Lee

Inventor： Chung-Che Yu ,  Shih-Chung Huang ,  Chien-Pang Hung ,  Chih-Shun Lee

IPC: H05B37/02

CPC classification number: H02M7/53871 ,  H05B41/2825 ,  H05B41/2828 ,  Y02B20/186 ,  Y02B70/1441

Abstract: A direct current to alternating current (DC/AC) inverter is for driving a fluorescent lamp through quasi sine wave generation. The DC/AC inverter includes a frequency generator for generating a reference signal and a modulation signal, a pulse width modulator coupled to the frequency generator for providing a pulse width modulation signal according to said modulation signal, a driver circuit coupled to the pulse width modulator for generating at least one driving signal according to the pulse width modulation signal and the reference signal, a half bridge power switch unit coupled to the driver circuit, and a resonant tank coupled to the fluorescent lamp for outputting a quasi sine wave to drive the fluorescent lamp.

Abstract translation: 直流到交流（DC / AC）的逆变器用于通过准正弦波产生来驱动荧光灯。 DC / AC逆变器包括用于产生参考信号和调制信号的频率发生器，耦合到频率发生器的脉冲宽度调制器，用于根据所述调制信号提供脉宽调制信号;驱动器电路，耦合到脉宽调制器 用于根据脉宽调制信号和参考信号产生至少一个驱动信号，耦合到驱动电路的半桥功率开关单元和耦合到荧光灯的谐振槽，用于输出准正弦波以驱动荧光 灯。

公开(公告)号：US20110291591A1

公开(公告)日：2011-12-01

申请号：US13115129

申请日：2011-05-25

Applicant: Shian-Sung Shiu ,  Chung-Che Yu ,  Li-Min Lee

Inventor： Shian-Sung Shiu ,  Chung-Che Yu ,  Li-Min Lee

IPC: H05B37/02 ,  H02J7/00

CPC classification number: H05B33/0848 ,  H05B33/0815

Abstract: A driving circuit, comprising a power supply, a transistor unit and a feedback control circuit, is disclosed. The power supply is adaptor to provide an electric power to drive a load. The transistor unit comprises at least one load coupling end to couple to the load for adjusting an amount of current flowing through the load. The feedback control circuit controls an amount of the electric power provided by the power supply according to a voltage level of the least one load coupling end. Wherein, the feedback control circuit comprises an error amplifying circuit and a feedback control switch. The error amplifying circuit generates an error amplified signal according to the voltage level of the least one load coupling end, and the feedback control switch is coupled to an output of the error amplifying circuit and is switched between a turn-on state and a turn-off state based on a dimming signal.

Abstract translation: 公开了一种包括电源，晶体管单元和反馈控制电路的驱动电路。 电源是适配器，用于提供驱动负载的电力。 晶体管单元包括至少一个耦合到负载的负载耦合端，用于调节流过负载的电流量。 反馈控制电路根据至少一个负载耦合端的电压电平来控制由电源提供的电力的量。 其中，反馈控制电路包括误差放大电路和反馈控制开关。 误差放大电路根据至少一个负载耦合端的电压电平产生误差放大信号，反馈控制开关耦合到误差放大电路的输出，并在导通状态和转向开关状态之间切换， 基于调光信号的关闭状态。

公开(公告)号：US20110266975A1

公开(公告)日：2011-11-03

申请号：US13089329

申请日：2011-04-19

Applicant: Chung-Che Yu ,  Li-Min Lee ,  Shian-Sung Shiu

Inventor： Chung-Che Yu ,  Li-Min Lee ,  Shian-Sung Shiu

IPC: H05B37/02

CPC classification number: H05B41/2828 ,  H05B33/0815 ,  Y02B20/346

Abstract: An illumination controller adapted to control a converting circuit to convert an electric power of a DC input power source to drive a light source is provided. The illumination controller includes a dimming unit and a control unit. The dimming unit receives a dimming signal and correspondingly generates a dimming control signal according to the number of the dimming signal. The control unit controls the electric power provided to the light source by the converting circuit according to the dimming control signal, so as to adjust a brightness of the light source. Furthermore, an illumination driving system is also provided.

Abstract translation: 提供了一种适于控制转换电路以转换DC输入电源的电力以驱动光源的照明控制器。 照明控制器包括调光单元和控制单元。 调光单元接收调光信号，并根据调光信号的数量相应地产生调光控制信号。 控制单元通过转换电路根据调光控制信号控制提供给光源的电力，以便调节光源的亮度。 此外，还提供了一种照明驱动系统。

公开(公告)号：US07977891B2

公开(公告)日：2011-07-12

申请号：US12379841

申请日：2009-03-03

Applicant: Shian-Sung Shiu ,  Chung-Che Yu

Inventor： Shian-Sung Shiu ,  Chung-Che Yu

IPC: G05F1/00

CPC classification number: H05B33/0812 ,  Y02B20/345

Abstract: An LED driving circuit is provided for driving an LED module, comprising a transistor switch and a feedback controller. The transistor switch has a control terminal, a first terminal, and a second terminal. The first terminal is coupled to the LED module and the control terminal receives a control signal for controlling a current passing through the transistor switch. The feedback controller receives a reference voltage and a current detecting signal indicative of the magnitude of the current and generates the control signal accordingly. The feedback controller is connected to a driving power source with level higher than the level of the first terminal of the transistor switch. Hence, the maximum level of an adjustable range of the control signal is higher than the first terminal of the transistor switch.

Abstract translation: 提供LED驱动电路用于驱动LED模块，包括晶体管开关和反馈控制器。 晶体管开关具有控制端子，第一端子和第二端子。 第一端子耦合到LED模块，并且控制端子接收用于控制通过晶体管开关的电流的控制信号。 反馈控制器接收指示电流大小的参考电压和电流检测信号，并相应地产生控制信号。 反馈控制器连接到电平高于晶体管开关的第一端子电平的驱动电源。 因此，控制信号的可调范围的最大电平高于晶体管开关的第一端。

公开(公告)号：US07952296B2

公开(公告)日：2011-05-31

申请号：US12693401

申请日：2010-01-25

Applicant: Chung-Che Yu ,  Shih-Chung Huang ,  Chien-Pang Hung ,  Chih-Shun Lee

Inventor： Chung-Che Yu ,  Shih-Chung Huang ,  Chien-Pang Hung ,  Chih-Shun Lee

IPC: H05B37/02

CPC classification number: H02M7/53871 ,  H05B41/2825 ,  H05B41/2828 ,  Y02B20/186 ,  Y02B70/1441

Abstract: A feedback circuit is utilized in a DC/AC inverter having a first power switch and a second power switch for driving a fluorescent lamp. The feedback circuit includes a protection circuit for disabling the first power switch and the second power switch when no fluorescent lamp is electrically connected, a first capacitor having a first terminal electrically connected to an output of the DC/AC inverter, a second capacitor having a first terminal electrically connected to a ground, and a second terminal electrically connected to a second terminal of the first capacitor, a diode having an anode electrically connected to the second terminals of the first and second capacitors, and a cathode electrically connected to the protection circuit, and a first resistor having a first terminal electrically connected to the cathode of the diode, and a second terminal electrically connected to the ground.

Abstract translation: 在具有用于驱动荧光灯的第一电源开关和第二电源开关的DC / AC逆变器中采用反馈电路。 所述反馈电路包括用于在没有荧光灯电连接时禁用所述第一电源开关和所述第二电源开关的保护电路，具有电连接到所述DC / AC逆变器的输出的第一端子的第一电容器，具有 电连接到地的第一端子和与第一电容器的第二端子电连接的第二端子，具有电连接到第一和第二电容器的第二端子的阳极的二极管，以及电连接到保护电路的阴极 以及第一电阻器，其具有电连接到二极管的阴极的第一端子和电连接到地的第二端子。

公开(公告)号：US20110109288A1

公开(公告)日：2011-05-12

申请号：US12891812

申请日：2010-09-28

Applicant: Li-Min Lee ,  Shian-Sung Shiu ,  Chung-Che Yu

Inventor： Li-Min Lee ,  Shian-Sung Shiu ,  Chung-Che Yu

IPC: G05F1/00

CPC classification number: H02M3/156

Abstract: A power converting circuit including a converting circuit and a controller is provided. In an embodiemnt of the invention, the inductance of the converting circuit and the operation frequency of the controller can be adjusted according to the power required by the load and/or the size of the inductor current to effectively reduce the switching times and the switching loss of the switch in the converting circuit when the load is light. Accordingly, no matter the load is light or heavy, the efficiency of the power converting circuit can be maintained at a higher standard.

Abstract translation: 提供了包括转换电路和控制器的电力转换电路。 在本发明的实施例中，转换电路的电感和控制器的工作频率可以根据负载所需的功率和/或电感电流的大小进行调节，以有效地减少开关时间和开关损耗 的转换电路中的开关。 因此，无论负载轻或重，都能将电力转换电路的效率维持在更高的标准。

公开(公告)号：US20110084991A1

公开(公告)日：2011-04-14

申请号：US12969595

申请日：2010-12-16

Applicant: Chung-Che Yu

Inventor： Chung-Che Yu

IPC: G09G5/10 ,  G09G3/36

CPC classification number: H05B41/3927 ,  H05B41/2828 ,  Y02B20/186

Abstract: A multi-lamps LCD panel back-light control circuit is provided, and which includes a control unit, a full bridge switch, a resonance network circuit, a voltage transformer, and a feedback network. The control unit operates in coordinating with the full bridge switch, the resonance network circuit, the voltage transformer and the feedback network so as to use a constant operating frequency and a PWM feedback to control a current of CCFLs. The back-light control circuit is characterized in that different integrated-circuits (ICs) are respectively formed from the control unit including a PWM controller, a triangular wave/clock generator, a ½ frequency divider, and a logic circuit. The different ICs have either a plurality of respective frequency synchronous signal control terminals or a plurality of phase synchronous signal control terminals that are connected to one another so that the different ICs operate respectively either with a same operating frequency or a same phase.

Abstract translation: 提供了一种多灯LCD面板背光控制电路，其包括控制单元，全桥开关，共振网络电路，电压互感器和反馈网络。 控制单元与全桥开关，谐振网络电路，电压互感器和反馈网络协调工作，以便使用恒定的工作频率和PWM反馈来控制CCFL的电流。 背光控制电路的特征在于，从包括PWM控制器，三角波/时钟发生器，½分频器和逻辑电路的控制单元分别形成不同的集成电路（IC）。 不同的IC具有彼此连接的多个相应的频率同步信号控制端子或多个相位同步信号控制端子，使得不同的IC分别以相同的工作频率或相同的相位工作。