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1. 发明申请

US20110234115A1 LED DRIVE CIRCUIT, LED ILLUMINATION FIXTURE, LED ILLUMINATION DEVICE, AND LED ILLUMINATION SYSTEM 失效
标题翻译： LED驱动电路，LED照明装置，LED照明装置和LED照明系统
公开(公告)号：US20110234115A1
公开(公告)日：2011-09-29
申请号：US12987193
申请日：2011-01-10
申请人： Takayuki SHIMIZU , Hirohisa Warita , Atsushi Kanamori , Mitsuru Mariyama
发明人： Takayuki SHIMIZU , Hirohisa Warita , Atsushi Kanamori , Mitsuru Mariyama
IPC分类号： H05B41/16
CPC分类号： H05B33/0815 , Y02B20/383
摘要： An LED drive circuit in which an alternating voltage is input and an LED is driven, and which can be connected to a phase control dimmer The LED drive circuit is provided with an edge detector for detecting an edge of the output voltage of the phase control dimmer; and a current extractor for extracting a current from a current feed line for feeding an LED drive current to the LED; wherein the value of the current extracted from the current feed line by the current extractor is varied in accordance with the detection results of the edge detector.
摘要翻译：一种LED驱动电路，其中输入交流电压并驱动LED，并且其可以连接到相位控制调光器。LED驱动电路设置有边缘检测器，用于检测相位控制调光器的输出电压的边沿 ; 以及电流提取器，用于从当前馈送线提取电流以将LED驱动电流馈送到LED; 其中根据所述边缘检测器的检测结果来改变由所述当前提取器从当前馈送线提取的电流的值。

2. 发明授权

US08421371B2 LED drive circuit, LED illumination fixture, LED illumination device, and LED illumination system 失效
标题翻译： LED驱动电路，LED照明灯具，LED照明装置和LED照明系统
公开(公告)号：US08421371B2
公开(公告)日：2013-04-16
申请号：US12987193
申请日：2011-01-10
申请人： Takayuki Shimizu , Hirohisa Warita , Atsushi Kanamori , Mitsuru Mariyama
发明人： Takayuki Shimizu , Hirohisa Warita , Atsushi Kanamori , Mitsuru Mariyama
IPC分类号： G05F1/00
CPC分类号： H05B33/0815 , Y02B20/383
摘要： An LED drive circuit in which an alternating voltage is input and an LED is driven, and which can be connected to a phase control dimmer The LED drive circuit is provided with an edge detector for detecting an edge of the output voltage of the phase control dimmer; and a current extractor for extracting a current from a current feed line for feeding an LED drive current to the LED; wherein the value of the current extracted from the current feed line by the current extractor is varied in accordance with the detection results of the edge detector.
摘要翻译：一种LED驱动电路，其中输入交流电压并驱动LED，并且其可以连接到相位控制调光器。LED驱动电路设置有边缘检测器，用于检测相位控制调光器的输出电压的边沿 ; 以及电流提取器，用于从当前馈送线提取电流以将LED驱动电流馈送到LED; 其中根据所述边缘检测器的检测结果来改变由所述当前提取器从当前馈送线提取的电流的值。

3. 发明授权

US08878449B2 LED drive circuit and LED illumination unit 有权
标题翻译： LED驱动电路和LED照明单元
公开(公告)号：US08878449B2
公开(公告)日：2014-11-04
申请号：US13689155
申请日：2012-11-29
申请人： Atsushi Kanamori , Hirohisa Warita , Takayuki Shimizu
发明人： Atsushi Kanamori , Hirohisa Warita , Takayuki Shimizu
IPC分类号： H05B37/02 , H05B33/08
CPC分类号： H05B37/02 , H05B33/0815 , H05B33/0851 , Y02B20/347
摘要： There is provided an LED drive circuit that can be connected to an alternating-current power supply through a phase control dimmer and that drives an LED load, the LED drive circuit including: an LED current control circuit; a capacitance component and a resistance component that are connected in series between an input of the LED current control circuit and a reference potential; a switch element that is connected to both ends of the resistance component; and a switch control portion that turns off the switch element for a given period of time after a timing when the phase control dimmer is turned on and that turns on the switch element after the given period of time elapses.
摘要翻译：提供了一种LED驱动电路，其可以通过相位控制调光器连接到交流电源并驱动LED负载，所述LED驱动电路包括：LED电流控制电路; 串联连接在LED电流控制电路的输入端和参考电位之间的电容分量和电阻分量; 开关元件，其连接到所述电阻部件的两端; 以及开关控制部，其在相位控制调光器接通的定时后断开所述开关元件一段给定的时间段，并且在所述给定时间段之后经过所述开关元件。

4. 发明申请

US20120049755A1 LED DRIVE CIRCUIT AND LED ILLUMINATION COMPONENT USING THE SAME 有权
标题翻译： LED驱动电路和使用其的LED照明组件
公开(公告)号：US20120049755A1
公开(公告)日：2012-03-01
申请号：US13189250
申请日：2011-07-22
申请人： Takayuki SHIMIZU , Atsushi Kanamori , Hirohisa Warita
发明人： Takayuki SHIMIZU , Atsushi Kanamori , Hirohisa Warita
IPC分类号： H05B41/36
CPC分类号： H05B33/0815 , H05B33/0818 , Y02B20/347 , Y02B20/383
摘要： An LED drive circuit is provided that can be connected to an alternating current power source via a phase-control light controller and drives an LED load. The LED drive circuit includes: a switching power source portion having a switching element, a switching current detection portion that detects a switching current, and an LED current detection portion that detects an LED current; a first subtraction portion that subtracts a given value from an output of the switching current detection portion; a first determination portion that determines, through computation on a plurality of externally inputted voltages, a target value to which the switching current is limited; a second subtraction portion that subtracts a given value from an output of the LED current detection portion; a second determination portion that determines, through computation on a plurality of externally inputted voltages, a target value of the LED current; a switching current limitation portion that, if a result of the subtraction by the first subtraction portion exceeds a result of the determination by the first determination portion, switches off the switching element so as to limit the switching current; and an LED current control portion that drives the switching element to control the LED current so that a result of the subtraction by the second subtraction portion coincides with a result of the determination by the second determination portion.
摘要翻译：提供LED驱动电路，其可以经由相位控制光控制器连接到交流电源并驱动LED负载。 LED驱动电路包括：具有开关元件的开关电源部，检测开关电流的开关电流检测部，以及检测LED电流的LED电流检测部; 第一减法部分，从开关电流检测部分的输出中减去给定值; 第一确定部分，通过对多个外部输入的电压进行计算，确定限制了开关电流的目标值; 第二减法部分，从LED电流检测部分的输出中减去给定值; 第二确定部分，通过对多个外部输入电压的计算确定LED电流的目标值; 开关电流限制部，其中，如果由所述第一减法部分减法的结果超过所述第一确定部分的确定结果，则切换所述开关元件以限制所述开关电流; 以及LED电流控制部分，其驱动开关元件来控制LED电流，使得由第二减法部分减法的结果与第二确定部分的确定结果一致。

5. 发明授权

US08692469B2 LED drive circuit and LED illumination apparatus using the same 有权
标题翻译： LED驱动电路和使用其的LED照明装置
公开(公告)号：US08692469B2
公开(公告)日：2014-04-08
申请号：US13618534
申请日：2012-09-14
申请人： Takayuki Shimizu , Atsushi Kanamori , Hirohisa Warita , Takeshi Murata
发明人： Takayuki Shimizu , Atsushi Kanamori , Hirohisa Warita , Takeshi Murata
IPC分类号： H05B37/00
CPC分类号： H05B33/0809 , H05B33/0845 , H05B39/044
摘要： An LED drive circuit connectable to a phase control type light adjuster includes a first reference voltage generation portion that generates a first reference voltage, a second reference voltage generation portion that generates a second reference voltage according to a phase angle of the light adjuster, an input voltage detection portion that detects a size relationship between an input voltage and a threshold value voltage, a current draw-out portion that draws out a current in accordance with the first reference voltage or the second reference voltage from an electricity supply line that supplies electricity to an LED drive portion, and a switch portion that in accordance with a detection result by the input voltage, detection portion, performs switching between an output from the first reference voltage generation portion to the current draw-out portion and an output from the second reference voltage generation portion to the current draw-out portion.
摘要翻译：可连接到相位控制型光调节器的LED驱动电路包括产生第一参考电压的第一参考电压产生部分，根据光调节器的相位角产生第二参考电压的第二参考电压产生部分，电压检测部，其检测输入电压和阈值电压之间的大小关系;电流抽出部，其根据所述第一参考电压或所述第二参考电压从供电线提取电流; LED驱动部分和开关部分，根据输入电压的检测结果，检测部分执行从第一参考电压产生部分到电流抽出部分的输出和第二参考的输出之间的切换电压产生部分到电流引出部分。

6. 发明授权

US08653751B2 LED drive circuit and LED illumination component using the same 有权
标题翻译： LED驱动电路和LED照明组件使用相同
公开(公告)号：US08653751B2
公开(公告)日：2014-02-18
申请号：US13189250
申请日：2011-07-22
申请人： Takayuki Shimizu , Atsushi Kanamori , Hirohisa Warita
发明人： Takayuki Shimizu , Atsushi Kanamori , Hirohisa Warita
IPC分类号： H05B37/02
CPC分类号： H05B33/0815 , H05B33/0818 , Y02B20/347 , Y02B20/383
摘要： An LED drive circuit is provided that can be connected to an alternating current power source via a phase-control light controller and drives an LED load. The LED drive circuit includes: a switching power source portion having a switching element, a switching current detection portion that detects a switching current, and an LED current detection portion that detects an LED current; a first subtraction portion that subtracts a given value from an output of the switching current detection portion; a first determination portion that determines, through computation on a plurality of externally inputted voltages, a target value to which the switching current is limited; a second subtraction portion that subtracts a given value from an output of the LED current detection portion; a second determination portion that determines, through computation on a plurality of externally inputted voltages, a target value of the LED current; a switching current limitation portion that, if a result of the subtraction by the first subtraction portion exceeds a result of the determination by the first determination portion, switches off the switching element so as to limit the switching current; and an LED current control portion that drives the switching element to control the LED current so that a result of the subtraction by the second subtraction portion coincides with a result of the determination by the second determination portion.
摘要翻译：提供LED驱动电路，其可以经由相位控制光控制器连接到交流电源并驱动LED负载。 LED驱动电路包括：具有开关元件的开关电源部，检测开关电流的开关电流检测部，以及检测LED电流的LED电流检测部; 第一减法部分，从开关电流检测部分的输出中减去给定值; 第一确定部分，通过对多个外部输入的电压进行计算，确定限制了开关电流的目标值; 第二减法部分，从LED电流检测部分的输出中减去给定值; 第二确定部分，通过对多个外部输入电压的计算确定LED电流的目标值; 开关电流限制部，其中，如果由所述第一减法部分减法的结果超过所述第一确定部分的确定结果，则切换所述开关元件以限制所述开关电流; 以及LED电流控制部分，其驱动开关元件来控制LED电流，使得由第二减法部分减法的结果与第二确定部分的确定结果一致。

7. 发明申请

US20120126708A1 LED DRIVE CIRCUIT AND LED ILLUMINATION APPARATUS 有权
标题翻译： LED驱动电路和LED照明设备
公开(公告)号：US20120126708A1
公开(公告)日：2012-05-24
申请号：US13290163
申请日：2011-11-07
申请人： Takeshi MURATA , Atsushi Kanamori , Hirohisa Warita , Hideo Matsuda , Takayuki Shimizu
发明人： Takeshi MURATA , Atsushi Kanamori , Hirohisa Warita , Hideo Matsuda , Takayuki Shimizu
IPC分类号： H05B37/02
CPC分类号： H05B33/0815
摘要： An LED drive circuit that is connectable to a phase control type of light adjuster and receives a voltage based on an a.c. voltage to drive an LED load, the LED drive circuit has a structure which includes: an adjustment signal generation portion that generates an adjustment signal in accordance with a characteristic of a phase control type of light adjuster which is connected to the LED drive circuit; and an adjustment portion that receives the adjustment signal to adjust a characteristic for driving the LED load.
摘要翻译：一种LED驱动电路，其可连接到相位控制类型的光调节器，并接收基于交流电压的电压。电压驱动LED负载，所述LED驱动电路具有如下结构，所述结构包括：调整信号生成部，其根据与所述LED驱动电路连接的相位控制型光调整器的特性生成调整信号; 以及调节部，其接收所述调整信号，以调整用于驱动所述LED负载的特性。

8. 发明授权

US09497808B2 LED drive circuit and LED illumination apparatus 有权
标题翻译： LED驱动电路和LED照明装置
公开(公告)号：US09497808B2
公开(公告)日：2016-11-15
申请号：US13290163
申请日：2011-11-07
申请人： Takeshi Murata , Atsushi Kanamori , Hirohisa Warita , Hideo Matsuda , Takayuki Shimizu
发明人： Takeshi Murata , Atsushi Kanamori , Hirohisa Warita , Hideo Matsuda , Takayuki Shimizu
IPC分类号： H05B33/08
CPC分类号： H05B33/0815
摘要： An LED drive circuit that is connectable to a phase control type of light adjuster and receives a voltage based on an a.c. voltage to drive an LED load, the LED drive circuit has a structure which includes: an adjustment signal generation portion that generates an adjustment signal in accordance with a characteristic of a phase control type of light adjuster which is connected to the LED drive circuit; and an adjustment portion that receives the adjustment signal to adjust a characteristic for driving the LED load.
摘要翻译：一种LED驱动电路，其可连接到相位控制类型的光调节器，并接收基于交流电压的电压。电压驱动LED负载，所述LED驱动电路具有如下结构，所述结构包括：调整信号生成部，其根据与所述LED驱动电路连接的相位控制型光调整器的特性生成调整信号; 以及调节部，其接收所述调整信号，以调整用于驱动所述LED负载的特性。

9. 发明授权

US08970123B2 LED drive circuit and LED illumination light 有权
标题翻译： LED驱动电路和LED照明灯
公开(公告)号：US08970123B2
公开(公告)日：2015-03-03
申请号：US13456791
申请日：2012-04-26
申请人： Atsushi Kanamori , Hirohisa Warita , Takayuki Shimizu
发明人： Atsushi Kanamori , Hirohisa Warita , Takayuki Shimizu
IPC分类号： H05B37/02 , H05B33/08
CPC分类号： H05B33/0815
摘要： An LED drive circuit that is connectable to an a.c. power supply via a phase control type light adjuster and drives an LED load, including a discharge portion that consumes energy of a resonance phenomenon generated by a light adjuster capacitance component of the phase control type light adjuster and a light adjuster inductance component of the phase control type light adjuster when a current holding portion of the phase control type light adjuster is turned on.
摘要翻译：可连接到交流电的LED驱动电路。通过相位控制型光调节器供电，并驱动LED负载，包括消耗由相位控制型光调节器的光调节器电容分量产生的共振现象的能量的放电部分和相位控制的光调节器电感分量当相位控制型光调节器的电流保持部分接通时，型光调节器。

10. 发明授权

US08643301B2 LED driver circuit and LED lighting device using the same 有权
标题翻译： LED驱动电路和LED照明装置使用相同
公开(公告)号：US08643301B2
公开(公告)日：2014-02-04
申请号：US13198929
申请日：2011-08-05
申请人： Atsushi Kanamori , Takayuki Shimizu , Hirohisa Warita , Hiroyuki Shoji
发明人： Atsushi Kanamori , Takayuki Shimizu , Hirohisa Warita , Hiroyuki Shoji
IPC分类号： G05F1/00 , H05B39/04
CPC分类号： H05B33/0815 , H02M1/4225 , H02M3/33523 , Y02B70/126
摘要： Provided is an LED driver circuit, to be connected to an AC power supply via a phase-control dimmer, for driving an LED load, including: a switching power supply part including a switching element and a switching current detection part; an LED current detection part; a first control part for controlling and switching the switching element so that a switching current has a desired current value based on a detection signal of the switching current detection part; a second control part for controlling and switching the switching element so that an LED current has a desired current value based on a detection signal of the LED current detection part; and a switch part for switching between control performed by the first control part when the phase-control dimmer is set to high brightness dimming and control performed by the second control part when the phase-control dimmer is set to low brightness dimming.
摘要翻译：提供一种LED驱动电路，其经由相位控制调光器连接到AC电源，用于驱动LED负载，包括：开关电源部分，包括开关元件和开关电流检测部分; LED电流检测部分; 第一控制部分，用于基于开关电流检测部分的检测信号来控制和切换开关元件，使得开关电流具有期望的电流值; 第二控制部分，用于基于LED电流检测部分的检测信号来控制和切换开关元件，使得LED电流具有期望的电流值; 以及开关部，用于当相位控制调光器被设置为当相位控制调光器被设置为低亮度调光时由第二控制部分执行的高亮度调光和控制时，切换由第一控制部执行的控制。

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