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1. 发明授权

US09357602B1 LED dimming and driving method and circuit using the same 有权
标题翻译： LED调光和驱动方法及电路采用相同的方式
公开(公告)号：US09357602B1
公开(公告)日：2016-05-31
申请号：US14587176
申请日：2014-12-31
申请人： ANWELL SEMICONDUCTOR CORP.
发明人： Ke-Horng Chen , Shao-Wei Chiu , Chun-Chieh Kuo , Shih-Ping Tu , Kai-Chang Chuang
IPC分类号： H05B37/02 , H05B33/08
CPC分类号： H05B33/0815 , H05B33/0845 , Y02B20/347
摘要： In an LED dimming and driving method and its circuit, a receiver, a current source and a controller are installed in a dimming module, and after the receiver has received a dimming signal, the current source is driven to output a current with a magnitude corresponsive to the dimming signal, and then after the controller has converted the current into a voltage level by a terminal resistor, the magnitude of the driving current of the LED is adjusted according to the voltage level to improve a linear dimming accuracy.
摘要翻译：在LED调光和驱动方法及其电路中，接收器，电流源和控制器安装在调光模块中，并且在接收器接收到调光信号之后，电流源被驱动以输出具有幅度相应的电流到调光信号，然后在控制器通过端子电阻将电流转换成电压电平后，根据电压电平调整LED的驱动电流的大小，以提高线性调光精度。

2. 发明授权

US09621060B2 Self-excited power conversion circuit for secondary side control output power 有权
公开(公告)号：US09621060B2
公开(公告)日：2017-04-11
申请号：US14490926
申请日：2014-09-19
申请人： ANWELL SEMICONDUCTOR CORP.
发明人： Cheng-Po Hsiao , Chung-Hsin Huang , Ke-Horng Chen , Chun-Chieh Kuo , Shih-Ping Tu , Shao-Wei Chiu
IPC分类号： H02J1/00 , H02J3/14 , H02M3/338 , H02M1/00
CPC分类号： H02M3/338 , H02M2001/007
摘要： A self-excited power conversion circuit for secondary side control output power includes a comparator unit and a transistor installed directly in a secondary side output module, and the comparator unit is electrically coupled to at least one load, and the transistor is electrically coupled between to a conversion module of the circuit and the load. The comparator unit is provided for adjusting the duty cycle of the transistor after detecting the amount of energy outputted from the conversion module to the load from, so as to adjust the amount of energy actually received by the load to achieve a constant power effect.

3. 发明授权

US09013108B1 LED element with color light enhancement function 有权
标题翻译： LED元件具有色光增强功能
公开(公告)号：US09013108B1
公开(公告)日：2015-04-21
申请号：US14103125
申请日：2013-12-11
申请人： Anwell Semiconductor Corp.
发明人： Shih-Ping Tu , Ke-Horng Chen , Chun-Chieh Kuo , Shao-Wei Chiu , Cheng-Po Hsiao
IPC分类号： H05B37/00 , H05B33/08
CPC分类号： H05B33/0824 , H05B33/0857
摘要： An LED element with a color light enhancement function is a two-terminal element for receiving a driving current to emit light and includes at least one blue LED chip, at least one red LED chip and a three-way compensator. The three-way compensator intercepts a driving current passing through the blue LED chip depending on a proportion value according to a change of working temperature and adjusts the amount of current flowing into the red LED chip. If the working temperature exceeds a default value, an input terminal of the three-way compensator is triggered to intercept the driving current and generate and output a set current to the red LED chip to compensate an attenuation of the red LED chip caused by high temperature. The LED element will not be changed its intensity after a prolonged period of usage.
摘要翻译：具有彩色光增强功能的LED元件是用于接收驱动电流以发光的两端元件，并且包括至少一个蓝色LED芯片，至少一个红色LED芯片和三路补偿器。根据工作温度的变化，三路补偿器根据比例值截取通过蓝色LED芯片的驱动电流，并调节流入红色LED芯片的电流量。如果工作温度超过默认值，触发三通补偿器的输入端截取驱动电流，并产生并输出一个设定电流到红色LED芯片，以补偿由高温引起的红色LED芯片的衰减。 LED元件在长时间使用后不会改变其强度。

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