公开(公告)号：US20130043538A1

公开(公告)日：2013-02-21

申请号：US13136911

申请日：2011-08-16

Applicant: Chao-Cheng Lu

Inventor： Chao-Cheng Lu

IPC: H01L27/092

CPC classification number: H01L27/088

Abstract: The switch in this invention is connected in series with two field effect transistor, comprises: the source S1 of first N-channel FET F1 and the source S2 of second N-channel FET F2 are directly connected together form a third terminal VA, the gate G1 of first N-channel FET F1 and the gate G2 of second N-channel FET F2 are connected together form a control terminal GA, the drain D1 of first N-channel FET F1 form a first terminal D1, the drain D2 of second N-channel FET F2 form a second terminal D2, the body diode DA of first N-channel FET F1 and the body diode DB of second N-channel FET F2, are back-to-back series connected together, the right side equivalent circuit F are first N-channel FET F1 and second N-channel FET F2 equivalent circuit, form a switch F of the present invention.

Abstract translation: 本发明的开关与两个场效应晶体管串联连接，包括：第一N沟道FET F1的源极S1和第二N沟道FET F2的源极S2直接连接在一起形成第三端子VA，栅极 第一N沟道FET F1的G1和第二N沟道FET F2的栅极G2连接在一起形成控制端子GA，第一N沟道FET F1的漏极D1形成第一端子D1，第二N的漏极D2 通道FET F2形成第二端子D2，第一N沟道FET F1的体二极管DA和第二N沟道FET F2的体二极管DB以背对背串联连接在一起，右侧等效电路F 是第一N沟道FET F1和第二N沟道FET F2等效电路，形成本发明的开关F.

公开(公告)号：US20110080760A1

公开(公告)日：2011-04-07

申请号：US12587126

申请日：2009-10-02

Applicant: Chao-Cheng Lu

Inventor： Chao-Cheng Lu

IPC: H02M7/217

CPC classification number: H02M7/217

Abstract: A rectifier driving circuit of the present invention, has a first driving element and a second driving element, switching element comprises a FET, a first driving element comprises the voltage drop resistor, a second driving element comprises the series-connected circuit of the diodes, the driving element for driving a FET, may be achieved rectify function.

Abstract translation: 本发明的整流器驱动电路具有第一驱动元件和第二驱动元件，开关元件包括FET，第一驱动元件包括压降电阻器，第二驱动元件包括二极管的串联电路， 用于驱动FET的驱动元件，可实现整流功能。

公开(公告)号：US07619368B2

公开(公告)日：2009-11-17

申请号：US11175349

申请日：2005-07-05

Applicant: Chao-Cheng Lu

Inventor： Chao-Cheng Lu

IPC: H05B39/04 ,  H05B37/00

CPC classification number: H05B41/2824 ,  Y02B20/186

Abstract: A power source apparatus is disclosed in this invention, specifically a power source apparatus comprising a voltage amplitude control unit that employs an active power factor corrector to control the output DC voltage by applying positive or negative logic control voltage, incorporated with high frequency power source circuit and high frequency transformer, brightness of Cold Cathode Fluorescent Lamp (CCFL) or External Electrode Fluorescent Lamp (EEFL) are controllable and DC power is directly applied to DC load. Such method is accomplished by adjusting the amplitude of the supplying DC voltage for controlling the amplitude of the high frequency voltage of CCFL or EEFL, thus called Voltage Amplitude Method. Because of the characteristics of stable frequency, high resolution and linearity, VAM is broadly used in the control of luminance of discharge tubes, such as TFT-LCD TVs, LCD monitors and advertisement lamps. The impulse width controller of the present invention achieves the luminance control of CCFL or EEFL inside or outside the glow discharge zone.

Abstract translation: 在本发明中公开了一种电源装置，具体地说是一种电源装置，包括电压幅度控制单元，该电压幅度控制单元采用有源功率因数校正器，通过施加正或负的逻辑控制电压来控制输出直流电压，其中包括高频电源电路 和高频变压器，冷阴极荧光灯（CCFL）或外部电极荧光灯（EEFL）的亮度是可控的，直流电源直接用于直流负载。 这种方法是通过调节供电直流电压的幅度来实现的，以控制CCFL或EEFL的高频电压的振幅，因此称为电压幅度法。 由于稳定的频率，高分辨率和线性度的特点，VAM广泛应用于TFT-LCD电视机，液晶显示器和广告灯等放电管的亮度控制。 本发明的脉冲宽度控制器实现辉光放电区域内部或外部的CCFL或EEFL的亮度控制。

公开(公告)号：US20080211552A1

公开(公告)日：2008-09-04

申请号：US11712349

申请日：2007-03-01

Applicant: Chao-Cheng Lu

Inventor： Chao-Cheng Lu

IPC: H03L7/00 ,  H02M7/217

CPC classification number: H02M3/33592 ,  Y02B70/1475

Abstract: The present controllable synchronous rectifier employs a Lus semiconductor to set synchronous rectification action in quadrant 1 of output characteristics of the conventional power MOSFETs. By controlling the voltage level of the gate-source voltage, the drain current can be controlled in the synchronous rectifier. Further, in combination with a protect opposite circuit to transfer a sinusoidal wave power supply or pulse power supply to a direct current power output, the synchronous rectifier is an indispensable high efficiency rectifier in the industry.

Abstract translation: 本可控同步整流器采用Lus半导体在常规功率MOSFET的输出特性的象限1中设置同步整流动作。 通过控制栅源电压的电压电平，可以在同步整流器中控制漏极电流。 此外，同步整流器与保护相反的电路结合，将正弦波电源或脉冲电源传送到直流电源输出，同步整流器是业界不可或缺的高效率整流器。

公开(公告)号：US07227316B2

公开(公告)日：2007-06-05

申请号：US10727848

申请日：2003-12-02

Applicant: Chao-Cheng Lu

Inventor： Chao-Cheng Lu

IPC: H05B37/02

CPC classification number: H05B41/2855

Abstract: A protective and measure device for multiple cold cathode fluorescent lamps includes an electronic ballast functioning as a high-frequency power source for driving multiple cold cathode fluorescent lamps (CCFLs), primarily by parallel connecting one end of each of a plurality of CCFL to a measure element to measure the LED power source provided by the measure element's photocoupler, and concurrently serially connect the photocoupler's collect-emitter terminal, followed by employing comparators to assess the open circuit, over current, and under current among multiple cold cathode fluorescent lamps. Said electronic ballast serves to protect CCFLs, and thus contribute to the quality and protection required for large LCD monitors.

Abstract translation: 用于多个冷阴极荧光灯的保护和测量装置包括用作驱动多个冷阴极荧光灯（CCFL）的高频电源的电子镇流器，主要通过将多个CCFL中的每一个的一端并行连接到测量 元件来测量由测量元件的光电耦合器提供的LED电源，并且同时串联连接光耦合器的集电发射极端子，然后使用比较器来评估多个冷阴极荧光灯中的开路，过流和欠电流。 所述电子镇流器用于保护CCFL，从而有助于大型LCD显示器所需的质量和保护。

公开(公告)号：US20070097720A1

公开(公告)日：2007-05-03

申请号：US11263243

申请日：2005-11-01

Applicant: Chao-Cheng Lu

Inventor： Chao-Cheng Lu

IPC: H02M7/217

CPC classification number: H02M3/33592 ,  H02M2001/0048 ,  Y02B70/1475 ,  Y02B70/1491

Abstract: The Lus Semiconductor in this invention is characterized by replacing the static shielding diode (SSD) of traditional Power Metal Oxide Semiconductor Field Effect Transistors (Power MOSFETs) with polarity reversed (comparing with traditional SSD) SSD, Schottky Diode, or Zener Diode, or face-to-face or back-to-back coupled Schottky Diodes, Zener Diodes, Fast Diodes, or Four Layer Devices such as DIAC and Triac. With the proposed Power MOSFETs of which the drain to source resistors (Rds) are quite low, two major functions of high efficiency synchronous rectification may be achieved.

Abstract translation: 本发明中的Lus Semiconductor的特征在于将具有极性反转的传统功率金属氧化物半导体场效应晶体管（功率MOSFET）的静态屏蔽二极管（SSD）替换为SSD，肖特基二极管或齐纳二极管或与之相对的面 面对面或背对背耦合的肖特基二极管，齐纳二极管，快速二极管或四层器件，如DIAC和Triac。 利用其漏源电阻（Rds）的功率MOSFET较低，可实现高效同步整流的两大功能。

公开(公告)号：US06522087B1

公开(公告)日：2003-02-18

申请号：US09915156

申请日：2001-07-24

Applicant: Chao-Cheng Lu

Inventor： Chao-Cheng Lu

IPC: H05B3702

CPC classification number: H05B41/042

Abstract: The present invention relates to one or two more starters in a serial wiring on a ballast or autotransformer. An impulse high voltage is generated at the output of the ballast. Alternatively, by using a full wave bridge rectifier applied on the AC power source of the autotransformer and a group of diodes, high voltage capacitor, and a control circuit generates an inpulse high voltage at the output of the autotransformer. The invention can be used with high voltage ignition of discharge lamps and DC high voltage for industrial applications.

Abstract translation: 本发明涉及镇流器或自耦变压器中的串联布线中的一个或两个起动器。 在镇流器的输出端产生脉冲高电压。 或者，通过使用施加在自耦变压器的AC电源上的全波桥整流器和一组二极管，高压电容器和控制电路在自耦变压器的输出处产生脉冲高压。 本发明可用于放电灯的高压点火和用于工业应用的直流高压。

公开(公告)号：US5818675A

公开(公告)日：1998-10-06

申请号：US744000

申请日：1996-11-04

Applicant: Chao-Cheng Lu

Inventor： Chao-Cheng Lu

IPC: H02M1/00 ,  H02M1/32 ,  H05B41/285 ,  H02H3/00

CPC classification number: H02M1/32 ,  H05B41/2851

Abstract: The protection device of an electronic circuit is an electronic AC circuit protection device. The protection device has the characteristic of over-voltage protection, over-current protection, electronic switch, and soft start. Devices of the protection circuit are electronic box, electronic devices box, and power factor regulator that is designed in the structure of L.C. in parallel on the source side of the protection circuit. The protection circuit can be applied in switching power supply, electronic ballast, etc., electronic circuit devices. The main electrical electronic devices include Triac Thyristor, Silicon Controlled Rectifier, Phototriac Coupler and Photothyistor Coupler etc. The protection device has characteristic of standing surge current that solving the problem of life and reliability of electronic devices in now a day. The invention is a necessary protection device for electrical industrial.

Abstract translation: 电子电路的保护装置是电子交流电路保护装置。 保护装置具有过电压保护，过流保护，电子开关和软启动等特点。 保护电路的设备是电子箱，电子设备箱和功率因数调节器，其设计在L.C.的结构中。 并联在保护电路的源极侧。 保护电路可应用于开关电源，电子镇流器等电子电路装置。 主要电子设备包括三端双向晶闸管，硅控整流器，光电耦合器和光电晶体耦合器等。保护器件具有稳定的浪涌电流特性，可以解决电子设备的使用寿命和可靠性问题。 本发明是电气工业的必要保护装置。

公开(公告)号：US5420494A

公开(公告)日：1995-05-30

申请号：US188820

申请日：1994-01-31

Applicant: Chao-Cheng Lu

Inventor： Chao-Cheng Lu

IPC: H02J7/02 ,  H02J7/04

CPC classification number: H02J7/022

Abstract: A battery charging device capable of charging any variety of rechargeable batteries and capable of being powered by either a 110 volt or a 220 volt A.C. power source. The battery charging device comprises an integrator circuit having a D.C. power source; a voltage comparator; a solid state relay; a D.C. output circuit; a positive voltage feedback circuit; and a negative voltage feedback circuit. The integrator circuit receives A.C. power from an A.C. power source and provides an output to the voltage comparator. The voltage comparator, in turn, is connected so as to provide an output to the solid state relay. The solid state relay preferably includes a zero voltage closing circuit and provides an output to the D.C. output circuit. The D.C. output circuit is connected to a battery-to-be-charged and provides an output D.C. voltage thereto. The D.C. output circuit is also connected to and provides outputs to the negative and positive feedback circuits which, in turn, provide feedback to the voltage comparator. Preferably, optical coupling devices connect the output from the voltage comparator to the solid state relay, as well as the positive and negative feedback circuits to the voltage comparator.

Abstract translation: 一种电池充电装置，能够对任意种类的可充电电池充电，并且能够由110伏或220伏交流电源供电。 电池充电装置包括具有直流电源的积分器电路; 电压比较器; 固态继电器; 直流输出电路; 正电压反馈电路; 和负电压反馈电路。 积分器电路从交流电源接收交流电源，并向电压比较器提供输出。 电压比较器依次连接，以向固态继电器提供输出。 固态继电器优选地包括零电压闭合电路并且向直流输出电路提供输出。 直流输出电路连接到要充电的电池，并向其提供输出直流电压。 直流输出电路还连接到负反馈电路和正反馈电路，输出电路反过来向电压比较器提供反馈。 优选地，光耦合装置将来自电压比较器的输出连接到固态继电器，以及将正和负反馈电路连接到电压比较器。

公开(公告)号：US5338991A

公开(公告)日：1994-08-16

申请号：US997695

申请日：1992-12-28

Applicant: Chao-Cheng Lu

Inventor： Chao-Cheng Lu

IPC: H02H11/00 ,  H03K17/70 ,  H03K17/78

CPC classification number: H02H11/002

Abstract: A solid state relay having an input circuit and a triac Darlington circuit coupled by a phototriac circuit. The input circuit having a bipolar indicator lamp for identifying the polarity and presence of an input voltage. The phototriac circuit and the triac Darlington circuit each having bipolar indicator lamps to indicate ON/OFF operation of respective triacs therein.

Abstract translation: 固态继电器，具有输入电路和由光驱三极管组合达林顿电路耦合。 输入电路具有用于识别极性和存在输入电压的双极性指示灯。 光电三极管电路和三端双向可控硅开关元件Darlington电路各自具有双极指示灯，用于指示其中各自的三端双向可控硅开关的ON / OFF操作。