公开(公告)号：US07881084B2

公开(公告)日：2011-02-01

申请号：US12136597

申请日：2008-06-10

Applicant: Yung Lin Lin

Inventor： Yung Lin Lin

IPC: H02M3/24

CPC classification number: H05B41/3927 ,  H02M7/523 ,  H02M7/5387 ,  H02M2001/0048 ,  H02M2007/4815 ,  H05B41/2828 ,  H05B41/2855 ,  Y02B20/185 ,  Y02B70/1441 ,  Y02B70/1491

Abstract: A DC/AC cold cathode fluorescent lamp (CCFL) inverter circuit includes a transformer with a primary winding and a secondary winding for providing increased voltage to a CCFL, a first and second MOSFET switches for selectively allowing direct current of a first polarity and a second polarity to flow through the transformer respectively. The primary and secondary windings of the transformer are electrically coupled to ground. A capacitor divider is electrically coupled to the CCFL for providing a first voltage signal representing a voltage across the CCFL. A first feedback signal line receives the first voltage signal. A timer circuit is coupled to the first feedback signal line for providing a time-out sequence of a predetermined duration when the first voltage signal exceeds a predetermined threshold. A protection circuit shuts down the first switch and the second switch when the first voltage signal exceeds the predetermined threshold after the predetermined duration.

Abstract translation: DC / AC冷阴极荧光灯（CCFL）逆变器电路包括具有初级绕组的变压器和用于向CCFL提供增加的电压的次级绕组，用于选择性地允许第一极性的直流电流的第一和第二MOSFET开关，以及第二极性 极性分别流过变压器。 变压器的初级和次级绕组电耦合到地。 电容分压器电耦合到CCFL，用于提供表示跨越CCFL的电压的第一电压信号。 第一反馈信号线接收第一电压信号。 当第一电压信号超过预定阈值时，定时器电路耦合到第一反馈信号线，用于提供预定持续时间的超时序列。 当第一电压信号在预定的持续时间之后超过预定阈值时，保护电路关闭第一开关和第二开关。

公开(公告)号：US20100237784A1

公开(公告)日：2010-09-23

申请号：US12493420

申请日：2009-06-29

Applicant: Yung Lin LIN ,  ShengTai LEE

Inventor： Yung Lin LIN ,  ShengTai LEE

IPC: H05B37/02 ,  H05B41/36 ,  F21L4/00

CPC classification number: H05B33/0815 ,  H05B33/0824 ,  Y02B20/346

Abstract: A portable lighting device includes a power source, a controller, and a load. The controller comprises a power input terminal which is electrically connected to the power source via a switch. The load is electrically connected to a power output terminal of the controller and is capable of providing a feedback signal. The controller regulates the power being provided to the load according to the feedback signal and a conduction status of the switch.

Abstract translation: 便携式照明装置包括电源，控制器和负载。 控制器包括经由开关电连接到电源的电源输入端子。 负载电连接到控制器的电源输出端子，并且能够提供反馈信号。 控制器根据反馈信号和开关的导通状态来调节提供给负载的功率。

公开(公告)号：US07768806B2

公开(公告)日：2010-08-03

申请号：US11637421

申请日：2006-12-11

Applicant: Yung-Lin Lin ,  Da Liu

Inventor： Yung-Lin Lin ,  Da Liu

IPC: H02M7/525

CPC classification number: H02M3/33507 ,  H02M7/48

Abstract: A DC/AC inverter and method thereof are disclosed. The DC/AC inverter for driving a load includes a DC power supply for supplying a DC input voltage, a converter circuit coupled to the DC power supply which converts the DC input voltage into an AC signal used to drive the load, and a control circuit coupled to the converter circuit which sets a frequency of the AC signal. The control circuit is further capable of operating the DC/AC inverter in a fixed frequency mode and in a variable frequency mode in accordance with the DC input voltage and the load condition.

Abstract translation: 公开了一种DC / AC逆变器及其方法。 用于驱动负载的DC / AC逆变器包括用于提供DC输入电压的DC电源，耦合到DC电源的转换器电路，其将DC输入电压转换为用于驱动负载的AC信号，以及控制电路 耦合到设置AC信号的频率的转换器电路。 控制电路还能够根据直流输入电压和负载条件以固定频率模式和变频模式操作DC / AC逆变器。

公开(公告)号：US20100148681A1

公开(公告)日：2010-06-17

申请号：US12415028

申请日：2009-03-31

Applicant: Ching-Chuan KUO ,  Yung Lin LIN

Inventor： Ching-Chuan KUO ,  Yung Lin LIN

IPC: H05B37/02

CPC classification number: H05B33/0818 ,  H05B33/0857 ,  Y02B20/346

Abstract: A driving circuit for controlling power of a light source includes a power converter coupled to a power source and the light source, and a dimming controller coupled to the power converter. The power converter can receive power from the power source and provide a regulated power to the light source. The power converter includes a control switch coupled in series with the light source. The dimming controller can monitor a power switch coupled between the power source and the driving circuit, and receive a dimming request signal and a dimming termination signal. The dimming request signal can indicate a first set of operations of the power switch. The dimming termination signal can indicate a second set of operations of the power switch. The dimming controller can continuously adjust the regulated power from the power converter by controlling the control switch if the dimming request signal is received, and can stop adjusting the regulated power from the power converter if the dimming termination signal is received.

Abstract translation: 用于控制光源的功率的驱动电路包括耦合到电源和光源的功率转换器以及耦合到功率转换器的调光控制器。 功率转换器可以从电源接收电力并向光源提供稳定的电力。 功率转换器包括与光源串联耦合的控制开关。 调光控制器可以监视耦合在电源和驱动电路之间的电源开关，并且接收调光请求信号和调光终止信号。 调光请求信号可以指示电源开关的第一组操作。 调光终止信号可以指示电源开关的第二组操作。 如果接收到调光请求信号，调光控制器可以通过控制控制开关来连续调节功率转换器的调节功率，如果接收到调光终端信号，则可以停止调节来自功率转换器的稳压电源。

公开(公告)号：US07598679B2

公开(公告)日：2009-10-06

申请号：US11050528

申请日：2005-02-03

Applicant: Yung-Lin Lin ,  Yu-Cheng Chang

Inventor： Yung-Lin Lin ,  Yu-Cheng Chang

IPC: H05B37/02

CPC classification number: H04N5/08 ,  H05B41/2824 ,  H05B41/3921

Abstract: A method according to one embodiment may include providing power to at least one light source. The method of this embodiment may also include detecting the frequency of at least one vertical synchronization signal, among a plurality of different synchronization signals, and controlling the power to at least one light source based on, at least in part, the detected frequency of at least one vertical synchronization signal. Of course, many alternatives, variations, and modifications are possible without departing from this embodiment.

Abstract translation: 根据一个实施例的方法可以包括向至少一个光源提供功率。 该实施例的方法还可以包括在多个不同的同步信号之中检测至少一个垂直同步信号的频率，并且至少部分地至少基于所检测到的频率，控制至少一个光源的功率 至少一个垂直同步信号。 当然，在不偏离本实施例的情况下，可以进行许多替代，变化和修改。

公开(公告)号：US20090218954A1

公开(公告)日：2009-09-03

申请号：US12321092

申请日：2009-01-12

Applicant: Yung-Lin Lin ,  Yu-Cheng Chang ,  Bingwei Yao

Inventor： Yung-Lin Lin ,  Yu-Cheng Chang ,  Bingwei Yao

IPC: H05B41/24

CPC classification number: H02M1/36 ,  H02J1/14 ,  H02M2001/008 ,  H05B41/3927

Abstract: A sequential burst mode regulation system to deliver power to a plurality of loads. In the exemplary embodiments, the system of the present invention generates a plurality of phased pulse width modulated signals from a single pulse width modulated signal, where each of the phased signals regulates power to a respective load. Exemplary circuitry includes a PWM signal generator, and a phase delay array that receives a PWM signal and generates a plurality of phased PWM signals which are used to regulate power to respective loads. A frequency selector circuit can be provided that sets the frequency of the PWM signal using a fixed or variable frequency reference signal.

Abstract translation: 一种用于向多个负载输送功率的连续突发模式调节系统。 在示例性实施例中，本发明的系统从单个脉冲宽度调制信号产生多个相位脉冲宽度调制信号，其中每个相控信号调节相应负载的功率。 示例性电路包括PWM信号发生器和相位延迟阵列，其接收PWM信号并产生用于调节相应负载功率的多个定相PWM信号。 可以提供使用固定或可变频率参考信号来设置PWM信号的频率的频率选择器电路。

公开(公告)号：US07554273B2

公开(公告)日：2009-06-30

申请号：US11879991

申请日：2007-07-18

Applicant: Yung-Lin Lin ,  Da Liu

Inventor： Yung-Lin Lin ,  Da Liu

IPC: G05F1/00

CPC classification number: H05B41/2855 ,  Y02B20/186 ,  Y10S315/07

Abstract: The present invention provides a driving circuit with protection function for driving a set of external electrode fluorescent lamps (EEFL). The drive circuit includes: a transformer connected to the set of EEFLs; a switching network connected to the transformer which delivers power to the transformer; a sensing circuit connected to the set of EEFLs which detects disconnection if one light source is disconnected; and a controller connected to the switching network which controls the switching network to reduce the total current supplied to the EEFLs which remain connected, if the sensing circuit detects that one EEFL is disconnected. Appropriate protection can therefore be implemented when the EEFL is disconnected on one end or both ends.

Abstract translation: 本发明提供一种具有用于驱动一组外部电极荧光灯（EEFL）的保护功能的驱动电路。 驱动电路包括：连接到该组EEFL的变压器; 连接到向变压器供电的变压器的开关网络; 连接到一组EEFL的感测电路，如果一个光源断开则检测断开; 以及连接到交换网络的控制器，如果感测电路检测到一个EEFL被断开，则控制交换网络以减少提供给保持连接的EEFL的总电流。 因此，当EEFL在一端或两端断开时，可以实现适当的保护。

公开(公告)号：US20090039796A1

公开(公告)日：2009-02-12

申请号：US12209842

申请日：2008-09-12

Applicant: Yung-Lin Lin ,  Da Liu

Inventor： Yung-Lin Lin ,  Da Liu

IPC: H05B41/36

CPC classification number: H05B41/282 ,  H05B41/2827 ,  H05B41/2828 ,  H05B41/3921 ,  Y02B20/183

Abstract: A power supply system is provided for a multiple lamp LCD panel. In one aspect, the power supply includes a plurality of transformers for driving a plurality of respective CCFLs. The primary sides of each transformer are coupled in series to thereby reduce the stress on each transformer. For LCD panels that include longer CCFLs, a power supply is provided that includes a plurality of transformers for driving a plurality of respective CCFLs. The primary sides of each transformer are coupled in series and each lamp is coupled to two secondary sides of the transformers, thereby reducing the problems associated with longer CCFL tubes. In any of the embodiments, the power supply can be adapted to convert a high voltage DC signal to high voltage AC used to power the lamps.

Abstract translation: 为多灯LCD面板提供电源系统。 一方面，电源包括用于驱动多个相应CCFL的多个变压器。 每个变压器的初级侧串联耦合，从而减小每个变压器的应力。 对于包括较长CCFL的LCD面板，提供了包括用于驱动多个相应CCFL的多个变压器的电源。 每个变压器的主要侧面串联耦合，并且每个灯耦合到变压器的两个次级侧，从而减少与较长CCFL管相关联的问题。 在任何实施例中，电源可以适于将高压DC信号转换成用于为灯供电的高压AC。

公开(公告)号：US07477024B2

公开(公告)日：2009-01-13

申请号：US10802901

申请日：2004-03-16

Applicant: Yung-Lin Lin ,  Yu-Cheng Chang ,  Bingwei Yao

Inventor： Yung-Lin Lin ,  Yu-Cheng Chang ,  Bingwei Yao

IPC: H05B37/02

CPC classification number: H02M1/36 ,  H02J1/14 ,  H02M2001/008 ,  H05B41/3927

Abstract: A sequential burst mode regulation system to deliver power to a plurality of loads. In the exemplary embodiments, the system of the present invention generates a plurality of phased pulse width modulated signals from a single pulse width modulated signal, where each of the phased signals regulates power to a respective load. Exemplary circuitry includes a PWM signal generator, and a phase delay array that receives a PWM signal and generates a plurality of phased PWM signals which are used to regulate power to respective loads. A frequency selector circuit can be provided that sets the frequency of the PWM signal using a fixed or variable frequency reference signal.

公开(公告)号：US07417382B2

公开(公告)日：2008-08-26

申请号：US10935629

申请日：2004-09-07

Applicant: Yung-Lin Lin

Inventor： Yung-Lin Lin

IPC: H02M3/335

CPC classification number: H05B41/3927 ,  H02M7/523 ,  H02M7/5387 ,  H02M2001/0048 ,  H02M2007/4815 ,  H05B41/2828 ,  H05B41/2855 ,  Y02B20/185 ,  Y02B70/1441 ,  Y02B70/1491

Abstract: A CCFL power converter circuit is provided using a high-efficiency zero-voltage-switching technique that eliminates switching losses associated with the power MOSFETs. An optimal sweeping-frequency technique is used in the CCFL ignition by accounting for the parasitic capacitance in the resonant tank circuit. Additionally, the circuit is self-learning and is adapted to determine the optimum operating frequency for the circuit with a given load. An over-voltage protection circuit can also be provided to ensure that the circuit components are protected in the case of open-lamp condition.

Abstract translation: 使用高效率零电压切换技术提供CCFL功率转换器电路，其消除与功率MOSFET相关的开关损耗。 通过考虑谐振回路中的寄生电容，在CCFL点火中使用最佳的扫频技术。 此外，电路是自学习的，并且适于确定具有给定负载的电路的最佳工作频率。 也可以提供过电压保护电路，以确保在开灯状态下保护电路部件。