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1. 发明授权

US08664893B2 Feedback control circuit and LED driving circuit 有权
标题翻译：反馈控制电路和LED驱动电路
公开(公告)号：US08664893B2
公开(公告)日：2014-03-04
申请号：US13218405
申请日：2011-08-25
申请人： Li-Min Lee , Shian-Sung Shiu , Chung-Che Yu , Hai-Po Li
发明人： Li-Min Lee , Shian-Sung Shiu , Chung-Che Yu , Hai-Po Li
IPC分类号： H05B37/02
CPC分类号： H05B33/0818 , H05B33/0824 , H05B33/0827 , Y02B20/346
摘要： The present invention provides a feedback control circuit and an LED driving circuit for using the same, wherein the feedback control circuit receives a dimming signal. The dimming signal is changed between a first state and a second state. When being in the first state, the feedback control circuit controls a converter circuit to drive the LED module for lighting stably. When being in the second state, the feedback control circuit controls the converter circuit to maintain the power conversion of the converter circuit to have an output voltage outputted by the converter circuit maintained at a level close to a lighting threshold voltage of the LED module.
摘要翻译：本发明提供一种反馈控制电路和使用该反馈控制电路的LED驱动电路，其中反馈控制电路接收调光信号。调光信号在第一状态和第二状态之间改变。当处于第一状态时，反馈控制电路控制转换器电路以驱动LED模块以稳定点亮。当处于第二状态时，反馈控制电路控制转换器电路以维持转换器电路的功率转换，使转换器电路输出的输出电压保持在接近LED模块的点亮阈值电压的水平。

2. 发明授权

US08358084B2 LED current control circuit, current balancer and driving apparatus 有权
标题翻译： LED电流控制电路，电流平衡器和驱动装置
公开(公告)号：US08358084B2
公开(公告)日：2013-01-22
申请号：US12826699
申请日：2010-06-30
申请人： Shian-Sung Shiu , Li-Min Lee , Chung-Che Yu , Hai-Po Li
发明人： Shian-Sung Shiu , Li-Min Lee , Chung-Che Yu , Hai-Po Li
IPC分类号： G05F1/00 , H05B37/02 , H05B39/04 , H05B41/36
CPC分类号： H05B33/0887 , H05B33/0827 , H05B33/0866 , Y02B20/341
摘要： An LED current control circuit including a current adjusting unit, a detecting unit, and a current control unit is provided. The current adjusting unit has a current control end coupled to an LED string for determining an amount of current flowing through the LED string according to a current control signal. The detecting unit detects the current control end and determines whether to generate a protecting signal according to a protecting voltage value. The current control unit generates the current control signal to control the amount of current flowing through the LED string of and determines whether to stop the current flowing through the LED string according to the protecting signal.
摘要翻译：提供了包括电流调节单元，检测单元和电流控制单元的LED电流控制电路。电流调节单元具有耦合到LED串的电流控制端，用于根据电流控制信号确定流过LED串的电流量。检测单元检测电流控制端，并根据保护电压值确定是否产生保护信号。电流控制单元产生电流控制信号以控制流过LED串的电流量，并根据保护信号确定是否停止流经LED串的电流。

3. 发明授权

US09035560B2 LED driving control circuit and LED driving circuit 有权
标题翻译： LED驱动控制电路和LED驱动电路
公开(公告)号：US09035560B2
公开(公告)日：2015-05-19
申请号：US13348628
申请日：2012-01-11
申请人： Hai-Po Li , Shian-Sung Shiu , Li-Min Lee
发明人： Hai-Po Li , Shian-Sung Shiu , Li-Min Lee
IPC分类号： H05B37/00 , H05B39/00 , H05B41/00 , H05B33/08
CPC分类号： H05B33/0845 , H05B33/0815 , H05B33/0818 , H05B33/0827
摘要： The present invention provides an LED (Light-Emitting Diode) driving control circuit for controlling a converting circuit to transform an input power source into an output voltage for driving an LED module. The LED module has a plurality of LED strings. The LED driving control circuit includes a voltage detecting circuit and a feedback control circuit. The voltage detecting circuit has a plurality of detection circuits, and each detection circuit is coupled to a terminal of the corresponding LED string to determine whether a voltage of the terminal is higher or lower than a preset value. The voltage detecting circuit generates a feedback signal according to the determination results. The feedback control circuit controls the converting circuit to modulate the output voltage according to the feedback signal.
摘要翻译：本发明提供一种LED（发光二极管）驱动控制电路，用于控制转换电路以将输入电源变换为用于驱动LED模块的输出电压。 LED模块具有多个LED串。 LED驱动控制电路包括电压检测电路和反馈控制电路。电压检测电路具有多个检测电路，并且每个检测电路耦合到相应LED串的端子，以确定端子的电压是否高于或低于预设值。电压检测电路根据判定结果生成反馈信号。反馈控制电路根据反馈信号控制转换电路来调制输出电压。

4. 发明授权

US08664884B2 LED driving circuit and feedback control circuit thereof 有权
标题翻译： LED驱动电路及其反馈控制电路
公开(公告)号：US08664884B2
公开(公告)日：2014-03-04
申请号：US13241299
申请日：2011-09-23
申请人： Hai-Po Li , Shian-Sung Shiu , Li-Min Lee
发明人： Hai-Po Li , Shian-Sung Shiu , Li-Min Lee
IPC分类号： G05F1/00
CPC分类号： H05B33/0815 , H05B33/0818 , H05B33/0827 , H05B33/0845 , Y02B20/346
摘要： An LED (Light-Emitting Diode) driving circuit to drive an LED module is provided. The LED driving circuit includes a converting circuit and a feedback control circuit. The converting circuit is coupled to the LED module, and converts an input voltage into an output voltage according to at least one control signal. The feedback control circuit generates the control signal to control the converting circuit to perform voltage conversion according to a feedback signal. In addition, the feedback control circuit receives a dimming signal, and is operated in a first state or a second state in response to the dimming signal, wherein the feedback control circuit adjusts the duty cycle of the control signal to have the duty cycle larger than or equal to a predetermined duty cycle in a predetermined period right after the feedback control circuit is operated from the second state to the first state.
摘要翻译：提供了用于驱动LED模块的LED（发光二极管）驱动电路。 LED驱动电路包括转换电路和反馈控制电路。转换电路耦合到LED模块，并根据至少一个控制信号将输入电压转换成输出电压。反馈控制电路产生控制信号以根据反馈信号控制转换电路进行电压转换。此外，反馈控制电路接收调光信号，并响应于调光信号而在第一状态或第二状态下操作，其中反馈控制电路调节控制信号的占空比以使占空比大于或等于在反馈控制电路从第二状态操作到第一状态之后的预定周期内的预定占空比。

5. 发明申请

US20120112645A1 FEEDBACK CONTROL CIRCUIT AND LED DRIVING CIRCUIT 有权
标题翻译：反馈控制电路和LED驱动电路
公开(公告)号：US20120112645A1
公开(公告)日：2012-05-10
申请号：US13218405
申请日：2011-08-25
申请人： Li-Min Lee , Shian-Sung Shiu , Chung-Che Yu , Hai-Po Li
发明人： Li-Min Lee , Shian-Sung Shiu , Chung-Che Yu , Hai-Po Li
IPC分类号： H05B37/02
CPC分类号： H05B33/0818 , H05B33/0824 , H05B33/0827 , Y02B20/346
摘要： The present invention provides a feedback control circuit and an LED driving circuit for using the same, wherein the feedback control circuit receives a dimming signal. The dimming signal is changed between a first state and a second state. When being in the first state, the feedback control circuit controls a converter circuit to drive the LED module for lighting stably. When being in the second state, the feedback control circuit controls the converter circuit to maintain the power conversion of the converter circuit to have an output voltage outputted by the converter circuit maintained at a level close to a lighting threshold voltage of the LED module.
摘要翻译：本发明提供一种反馈控制电路和使用该反馈控制电路的LED驱动电路，其中反馈控制电路接收调光信号。调光信号在第一状态和第二状态之间改变。当处于第一状态时，反馈控制电路控制转换器电路以驱动LED模块以稳定点亮。当处于第二状态时，反馈控制电路控制转换器电路以维持转换器电路的功率转换，使转换器电路输出的输出电压保持在接近LED模块的点亮阈值电压的水平。

6. 发明申请

US20110109231A1 LED CURRENT CONTROL CIRCUIT, CURRENT BALANCER AND DRIVING APPARATUS 有权
标题翻译： LED电流控制电路，电流平衡和驱动装置
公开(公告)号：US20110109231A1
公开(公告)日：2011-05-12
申请号：US12826699
申请日：2010-06-30
申请人： Shian-Sung Shiu , Li-Min Lee , Chung-Che Yu , Hai-Po Li
发明人： Shian-Sung Shiu , Li-Min Lee , Chung-Che Yu , Hai-Po Li
IPC分类号： H05B37/02
CPC分类号： H05B33/0887 , H05B33/0827 , H05B33/0866 , Y02B20/341
摘要： An LED current control circuit including a current adjusting unit, a detecting unit, and a current control unit is provided. The current adjusting unit has a current control end coupled to an LED string for determining an amount of current flowing through the LED string according to a current control signal. The detecting unit detects the current control end and determines whether to generate a protecting signal according to a protecting voltage value. The current control unit generates the current control signal to control the amount of current flowing through the LED string of and determines whether to stop the current flowing through the LED string according to the protecting signal.
摘要翻译：提供了包括电流调节单元，检测单元和电流控制单元的LED电流控制电路。电流调节单元具有耦合到LED串的电流控制端，用于根据电流控制信号确定流过LED串的电流量。检测单元检测电流控制端，并根据保护电压值确定是否产生保护信号。电流控制单元产生电流控制信号以控制流过LED串的电流量，并根据保护信号确定是否停止流经LED串的电流。

7. 发明申请

US20100315017A1 POWER CONVERTING CIRCUIT AND CONTROLLER THEREOF 有权
标题翻译：电源转换电路及其控制器
公开(公告)号：US20100315017A1
公开(公告)日：2010-12-16
申请号：US12539624
申请日：2009-08-12
申请人： Chung-Che Yu , Shian-Sung Shiu , Hai-Po Li
发明人： Chung-Che Yu , Shian-Sung Shiu , Hai-Po Li
IPC分类号： H05B41/36 , G05F1/10 , H02M7/537
CPC分类号： H02M1/36 , H05B33/0887 , H05B41/2983 , Y10S315/05
摘要： A controller which receives electric power required for operating through a driving voltage terminal and controls a converting circuit to convert an input voltage into an output voltage is provided. The controller is latched to stop providing a part or all of functions until the input voltage is removed. Therefore, the issues of the converting circuit in related arts in shortened life-span and safety of users due to can be avoided in the present invention.
摘要翻译：提供一种控制器，其接收通过驱动电压端子操作所需的电力并控制转换电路将输入电压转换为输出电压。控制器被锁定以停止提供部分或全部功能，直到输入电压被去除。因此，在本发明中可以避免相关技术中的转换电路在缩短使用寿命和安全性方面的问题。

8. 发明授权

US08138685B2 Power converting circuit and controller thereof 有权
标题翻译：电力转换电路及其控制器
公开(公告)号：US08138685B2
公开(公告)日：2012-03-20
申请号：US12539624
申请日：2009-08-12
申请人： Chung-Che Yu , Shian-Sung Shiu , Hai-Po Li
发明人： Chung-Che Yu , Shian-Sung Shiu , Hai-Po Li
IPC分类号： G05F1/00 , H05B37/02 , H05B39/04 , H05B41/36
CPC分类号： H02M1/36 , H05B33/0887 , H05B41/2983 , Y10S315/05
摘要： A controller which receives electric power required for operating through a driving voltage terminal and controls a converting circuit to convert an input voltage into an output voltage is provided. The controller is latched to stop providing a part or all of functions until the input voltage is removed. Therefore, the issues of the converting circuit in related arts in shortened life-span and safety of users due to can be avoided in the present invention.
摘要翻译：提供一种控制器，其接收通过驱动电压端子操作所需的电力并控制转换电路将输入电压转换为输出电压。控制器被锁定以停止提供部分或全部功能，直到输入电压被去除。因此，在本发明中可以避免相关技术中的转换电路在缩短使用寿命和安全性方面的问题。

9. 发明授权

US07960962B2 Soft-start circuit 有权
标题翻译：软启动电路
公开(公告)号：US07960962B2
公开(公告)日：2011-06-14
申请号：US12385911
申请日：2009-04-23
申请人： Hai-Po Li
发明人： Hai-Po Li
IPC分类号： G05F3/16 , G05F3/20
CPC分类号： H02M1/36 , H02M1/32
摘要： The present invention discloses a soft-start circuit having a reference signal generator, a first current generator, a second current generator, and a soft-start capacitor. The reference signal generator generates a first signal and a second signal. The first current generator generates a first current according to the first signal, and the second current generator generates a second current according to the second signal. The soft-start capacitor is coupled to the first current generator and the second current generator, and charged by a current difference of the first current and the second current to generate a soft-start signal.
摘要翻译：本发明公开了一种具有参考信号发生器，第一电流发生器，第二电流发生器和软启动电容器的软启动电路。参考信号发生器产生第一信号和第二信号。第一电流发生器根据第一信号产生第一电流，并且第二电流发生器根据第二信号产生第二电流。软启动电容器耦合到第一电流发生器和第二电流发生器，并由第一电流和第二电流的电流差充电以产生软启动信号。

10. 发明申请

US20100066344A1 Soft-start circuit 有权
标题翻译：软启动电路
公开(公告)号：US20100066344A1
公开(公告)日：2010-03-18
申请号：US12385911
申请日：2009-04-23
申请人： Hai-Po Li
发明人： Hai-Po Li
IPC分类号： H02J1/00
CPC分类号： H02M1/36 , H02M1/32
摘要： The present invention discloses a soft-start circuit having a reference signal generator, a first current generator, a second current generator, and a soft-start capacitor. The reference signal generator generates a first signal and a second signal. The first current generator generates a first current according to the first signal, and the second current generator generates a second current according to the second signal. The soft-start capacitor is coupled to the first current generator and the second current generator, and charged by a current difference of the first current and the second current to generate a soft-start signal.
摘要翻译：本发明公开了一种具有参考信号发生器，第一电流发生器，第二电流发生器和软启动电容器的软启动电路。参考信号发生器产生第一信号和第二信号。第一电流发生器根据第一信号产生第一电流，并且第二电流发生器根据第二信号产生第二电流。软启动电容器耦合到第一电流发生器和第二电流发生器，并由第一电流和第二电流的电流差充电以产生软启动信号。

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