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1. 发明申请

US20110221346A1 CIRCUITS AND METHODS FOR DRIVING LIGHT SOURCES 失效
标题翻译：用于驱动光源的电路和方法
公开(公告)号：US20110221346A1
公开(公告)日：2011-09-15
申请号：US13096646
申请日：2011-04-28
申请人： Sheng Tai LEE , Yung Lin LIN , Chuan Chiung KUO
发明人： Sheng Tai LEE , Yung Lin LIN , Chuan Chiung KUO
IPC分类号： H05B37/02
CPC分类号： H05B33/0812 , Y02B20/345 , Y02B20/348
摘要： Embodiments in accordance with the present invention provide circuits and methods for driving light sources, e.g., a light-emitting diode (LED) light source. In one embodiment, a printed circuit board (PCB) includes a bridge rectifier rectifying an AC voltage to a rectified AC voltage, an LED light source, and a first switch coupled to the LED light source in series controlling a current through the LED light source according to a predetermined current reference. The LED light source and the first switch coupled in series receive the rectified AC voltage while the first switch is controlled linearly.
摘要翻译：根据本发明的实施例提供了用于驱动光源的电路和方法，例如发光二极管（LED）光源。在一个实施例中，印刷电路板（PCB）包括将AC电压整流到整流的AC电压的桥式整流器，LED光源和耦合到LED光源的第一开关，其串联地控制通过LED光源的电流根据预定的电流参考。 LED光源和串联耦合的第一开关在第一开关线性控制的同时接收整流的交流电压。

2. 发明申请

US20120176066A1 PORTABLE LIGHTING DEVICE AND METHOD THEREOF 失效
标题翻译：便携式照明设备及其方法
公开(公告)号：US20120176066A1
公开(公告)日：2012-07-12
申请号：US13400121
申请日：2012-02-20
申请人： Yung Lin LIN , Sheng-Tai LEE
发明人： Yung Lin LIN , Sheng-Tai LEE
IPC分类号： H05B37/02
CPC分类号： H05B33/0815 , H05B33/0824
摘要： A portable lighting device includes a controller, a power source that provides a voltage, and a load that includes a light emitting diode (LED) light source. The controller receives the voltage and regulates a current of the LED light source based on a sensing signal indicating the voltage of the power source. The controller regulates the current of the LED light source to a first current level if the voltage of the power source is greater than a first voltage level, and to a second current level if the voltage of the power source is less than a second voltage level. The second voltage level is less than the first voltage level. The controller regulates the current of the LED light source to vary according to the sensing signal if the voltage of the power source is between the first voltage level and the second voltage level.
摘要翻译：便携式照明装置包括控制器，提供电压的电源以及包括发光二极管（LED）光源的负载。控制器基于指示电源电压的感测信号接收电压并调节LED光源的电流。如果电源的电压大于第一电压电平，则控制器将LED光源的电流调节到第一电流电平，并且如果电源的电压小于第二电压电平，则控制器将电流调节到第一电流水平。第二电压电平小于第一电压电平。如果电源的电压处于第一电压电平和第二电压电平之间，则控制器调节LED光源的电流根据感测信号而变化。

3. 发明申请

US20120126710A1 CIRCUITS AND METHODS FOR DRIVING LIGHT SOURCES 有权
标题翻译：用于驱动光源的电路和方法
公开(公告)号：US20120126710A1
公开(公告)日：2012-05-24
申请号：US12953353
申请日：2010-11-23
申请人： Yung Lin LIN , Ching Chuan KUO , Sheng Tai LEE
发明人： Yung Lin LIN , Ching Chuan KUO , Sheng Tai LEE
IPC分类号： H05B37/02 , H05B37/00
CPC分类号： H05B33/0824
摘要： Embodiments in accordance with the present invention provide circuits and methods for driving light sources, e.g., a light-emitting diode (LED) light source. In one embodiment, a lamp includes a rectifier rectifying an AC voltage to a rectified AC voltage, an LED light source, and a switch coupled to the LED light source in series controlling a current through the LED light source according to a predetermined current reference. The LED light source and the switch coupled in series receive the rectified AC voltage while the switch is controlled linearly.
摘要翻译：根据本发明的实施例提供了用于驱动光源的电路和方法，例如发光二极管（LED）光源。在一个实施例中，灯包括整流AC电压到整流AC电压的整流器，LED光源和耦合到LED光源的开关，其根据预定的电流参考串联控制通过LED光源的电流。 LED光源和串联的开关串联接收整流的交流电压，同时开关线性控制。

4. 发明申请

US20130193877A1 CIRCUITS AND METHODS FOR DRIVING LIGHT SOURCES 有权
标题翻译：用于驱动光源的电路和方法
公开(公告)号：US20130193877A1
公开(公告)日：2013-08-01
申请号：US13559451
申请日：2012-07-26
申请人： Ching-Chuan KUO , Yung Lin LIN
发明人： Ching-Chuan KUO , Yung Lin LIN
IPC分类号： H05B33/08
CPC分类号： H05B33/0815 , H05B33/0818 , H05B33/0848 , Y02B20/347
摘要： A dimming controller can operate in a first mode or a second mode to control dimming of a light-emitting diode (LED) light source. The dimming controller can include a voltage control terminal and a current control terminal. The voltage control terminal provides a pulse signal when the dimming controller operates in the first mode to operate a control switch in either a first state or a second state. A first current flowing through the LED light source increases when the control switch is in the first state and decreases when the control switch is in the second state. The voltage control terminal provides a control signal to the control switch to cut off the first current when the dimming controller operates in the second mode. The current control terminal conducts a second current through the LED light source when the dimming controller operates in the second mode.
摘要翻译：调光控制器可以以第一模式或第二模式操作以控制发光二极管（LED）光源的调光。调光控制器可以包括电压控制端子和电流控制端子。当调光控制器在第一模式下操作时，电压控制端子提供脉冲信号，以在第一状态或第二状态下操作控制开关。当控制开关处于第一状态时，流过LED光源的第一电流增加，并且当控制开关处于第二状态时，第一电流减小。当调光控制器在第二模式下操作时，电压控制端子向控制开关提供控制信号以切断第一电流。当调光控制器在第二模式下操作时，电流控制端子通过LED光源传导第二电流。

5. 发明申请

US20110062869A1 CIRCUIT FOR VEHICLE LIGHTING 失效
标题翻译：车灯电路
公开(公告)号：US20110062869A1
公开(公告)日：2011-03-17
申请号：US12561483
申请日：2009-09-17
申请人： Cheng-Wei HSU , Da LIU , ShengTai LEE , Yung Lin LIN
发明人： Cheng-Wei HSU , Da LIU , ShengTai LEE , Yung Lin LIN
IPC分类号： B60Q1/00 , G01R31/00
CPC分类号： B60Q11/005 , H05B33/089 , H05B33/0893 , Y02B20/383
摘要： A circuit for driving a vehicle lamp includes a current path coupled between a power line and ground, and a monitoring unit coupled to the power line. The current path includes a dummy load. The monitoring unit can monitor a testing signal applied to the power line. The testing signal can test whether the vehicle lamp operates properly. The monitoring unit can conduct the current path to enable a current to flow through the dummy load to ground to decrease a total resistance of the circuit if the testing signal is detected.
摘要翻译：用于驱动车辆灯的电路包括耦合在电力线和地之间的电流路径以及耦合到电力线的监视单元。当前路径包括虚拟负载。监控单元可以监控施加到电源线的测试信号。测试信号可以测试车灯是否正常工作。如果检测到测试信号，监控单元可以传导电流路径，使得电流能够通过虚拟负载流到地，以减小电路的总电阻。

6. 发明申请

US20120268023A1 CIRCUITS AND METHODS FOR DRIVING LIGHT SOURCES 审中-公开
标题翻译：用于驱动光源的电路和方法
公开(公告)号：US20120268023A1
公开(公告)日：2012-10-25
申请号：US13535561
申请日：2012-06-28
申请人： Tiesheng YAN , Ching-Chuan KUO , Yung Lin LIN
发明人： Tiesheng YAN , Ching-Chuan KUO , Yung Lin LIN
IPC分类号： H05B37/02
CPC分类号： H05B33/0815
摘要： A driving circuit for driving a light-emitting diode (LED) light source includes a buck-boost converter and a controller. The buck-boost converter receives an input voltage and an input current and powers the LED light source, and comprises a switch controlled by a driving signal. The controller receives a first signal indicating a current through the LED light source, and generates the driving signal based on the first signal to control the switch and to adjust the current through the LED light source. The buck-boost converter further comprises a current sensor which provides a second signal indicating an instant current flowing through the buck-boost converter, wherein the first signal is derived from the second signal, and wherein a reference ground of the controller is different from a ground of the driving circuit.
摘要翻译：用于驱动发光二极管（LED）光源的驱动电路包括降压 - 升压转换器和控制器。降压 - 升压转换器接收输入电压和输入电流并为LED光源供电，并包括由驱动信号控制的开关。控制器接收指示通过LED光源的电流的第一信号，并且基于第一信号产生驱动信号，以控制开关并调节通过LED光源的电流。所述降压 - 升压转换器还包括电流传感器，其提供指示流过所述降压 - 升压转换器的即时电流的第二信号，其中所述第一信号从所述第二信号导出，并且其中所述控制器的参考地不同于地面的驱动电路。

7. 发明申请

US20110227496A1 CIRCUITS AND METHODS FOR DRIVING LIGHT SOURCES 失效
标题翻译：用于驱动光源的电路和方法
公开(公告)号：US20110227496A1
公开(公告)日：2011-09-22
申请号：US13100434
申请日：2011-05-04
申请人： Yung Lin LIN , Ching Chuan KUO , Tiesheng YAN , Xinhe SU
发明人： Yung Lin LIN , Ching Chuan KUO , Tiesheng YAN , Xinhe SU
IPC分类号： H05B37/02 , H05B41/16
CPC分类号： H05B33/0845 , H05B33/0818 , Y02B20/348
摘要： A controller for controlling dimming of a light-emitting diode (LED) light source provides a pulse signal by comparing a sensing signal indicative of a current flowing through the LED light source to a reference signal. The controller controls the current through the LED light source according to the pulse signal during a first state of a pulse-width modulation signal and cutting off the current through the LED light source during a second state of the pulse-width modulation signal. The controller receives a dimming request signal indicative of an operation of a power switch coupled between an AC power source and a bridge rectifier and adjusts both a level of the reference signal and a duty cycle of the pulse-width modulation signal based on the dimming request signal.
摘要翻译：用于控制发光二极管（LED）光源的调光的控制器通过将表示流过LED光源的电流的感测信号与参考信号进行比较来提供脉冲信号。在脉冲宽度调制信号的第一状态期间，控制器根据脉冲信号控制通过LED光源的电流，并且在脉冲宽度调制信号的第二状态期间切断通过LED光源的电流。控制器接收指示耦合在AC电源和桥式整流器之间的功率开关的操作的调光请求信号，并且基于调光请求调节参考信号的电平和脉宽调制信号的占空比信号。

8. 发明申请

US20100219766A1 CIRCUITS AND METHODS FOR DRIVING LIGHT SOURCES 失效
标题翻译：用于驱动光源的电路和方法
公开(公告)号：US20100219766A1
公开(公告)日：2010-09-02
申请号：US12783260
申请日：2010-05-19
申请人： Ching-Chuan KUO , Yung Lin LIN
发明人： Ching-Chuan KUO , Yung Lin LIN
IPC分类号： H05B37/02
CPC分类号： H05B33/0851 , H05B33/0818 , H05B33/0848
摘要： A dimming controller for controlling power of a light source has a monitoring terminal, a dimming terminal, and a control terminal. The monitoring terminal is operable for receiving a current monitoring signal indicating a current flowing through the light source. The dimming terminal is operable for receiving a ramp signal. The voltage of the ramp signal increases if a power switch coupled between a power source and the light source is turned on. The control terminal is operable for providing a control signal to control a control switch coupled in series with the light source based on the current monitoring signal and the ramp signal. An average current of the light source increases as the ramp signal increases until the average current reaches a predetermined level.
摘要翻译：用于控制光源功率的调光控制器具有监视终端，调光终端和控制终端。监视终端可操作用于接收指示流过光源的电流的电流监视信号。调光终端可操作以接收斜坡信号。如果连接在电源和光源之间的电源开关导通，斜坡信号的电压就会增加。控制端子可操作用于提供控制信号，以基于电流监视信号和斜坡信号来控制与光源串联耦合的控制开关。随着斜坡信号的增加，光源的平均电流增加，直到平均电流达到预定的水平。

9. 发明申请

US20120169243A1 CIRCUITS AND METHODS FOR CONTROLLING DIMMING OF A LIGHT SOURCE 有权
标题翻译：用于控制光源调制的电路和方法
公开(公告)号：US20120169243A1
公开(公告)日：2012-07-05
申请号：US13366127
申请日：2012-02-03
申请人： Yung Lin LIN , Ching-Chuan KUO
发明人： Yung Lin LIN , Ching-Chuan KUO
IPC分类号： H05B37/02
CPC分类号： H05B37/0263 , H05B33/0845
摘要： A controller that monitors a rectified voltage and detects whether the rectified voltage comes from a TRIAC dimmer or an on/off switch dimmer is disclosed. The controller controls dimming of a light source according to the rectified voltage if the rectified voltage comes from the TRIAC dimmer. The controller controls dimming of the light source according to an operation of the on/off switch dimmer if the rectified voltage comes from the on/off switch dimmer.
摘要翻译：公开了一种监视整流电压并检测整流电压是来自TRIAC调光器还是开/关开关调光器的控制器。如果整流电压来自TRIAC调光器，则控制器根据整流电压控制光源的调光。如果整流电压来自开/关开关调光器，则控制器根据开/关开关调光器的操作来控制光源的调光。

10. 发明申请

US20120032613A1 CIRCUITS AND METHODS FOR DRIVING LIGHT SOURCES 有权
标题翻译：用于驱动光源的电路和方法
公开(公告)号：US20120032613A1
公开(公告)日：2012-02-09
申请号：US13274663
申请日：2011-10-17
申请人： Da LIU , Yung Lin LIN
发明人： Da LIU , Yung Lin LIN
IPC分类号： H05B37/02
CPC分类号： H05B33/0815 , G09G3/3406 , G09G2330/028 , H05B33/0827 , H05B33/0848
摘要： A driving circuit for powering a light-emitting diode (LED) light source includes a converter circuit, an energy storage element and a switch element. The converter circuit provides a first output voltage on a first power line to provide power to the LED light source and provides a second output voltage on a second power line that is less than the first output voltage. The energy storage element is charged and discharged to regulate a current through the LED light source. The switch element operates in a first state during which the energy storage element is charged and operates in a second state during which the energy storage element is discharged. The converter circuit provides the second output voltage to maintain an operating voltage across the switch element less than the first output voltage during both the first state and the second state.
摘要翻译：用于对发光二极管（LED）光源供电的驱动电路包括转换器电路，能量存储元件和开关元件。转换器电路在第一电力线上提供第一输出电压以向LED光源提供电力，并且在小于第一输出电压的第二电力线上提供第二输出电压。储能元件被充放电以调节通过LED光源的电流。开关元件工作在第一状态，在该状态期间，能量存储元件被充电并且在能量存储元件被放电的第二状态下操作。在第一状态和第二状态期间，转换器电路提供第二输出电压以保持开关元件两端的工作电压小于第一输出电压。

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