公开(公告)号：US07983062B2

公开(公告)日：2011-07-19

申请号：US12406145

申请日：2009-03-18

申请人： Yen-Hui Wang ,  Chia-Chien Hung ,  Chi-Hao Wu

发明人： Yen-Hui Wang ,  Chia-Chien Hung ,  Chi-Hao Wu

IPC分类号： H02H7/122

CPC分类号： H02M3/33507

摘要： The present invention discloses a minimum on-time reduction method for a switching power conversion, comprising the steps of: generating a first reset signal and an over-supply pulse signal according to a current sensing signal and a reference signal; generating a blanking signal according to a count number of the over-supply pulse signal; and generating a second reset signal by performing Logic-AND operation on the first reset signal and the blanking signal. Furthermore, the present invention also provides a minimum on-time reduction apparatus for a power conversion, and a system using the minimum on-time reduction apparatus for a power conversion.

摘要翻译： 本发明公开了一种开关电源转换的最小导通时间简化方法，包括以下步骤：根据电流检测信号和参考信号产生第一复位信号和过供电脉冲信号; 根据过供电脉冲信号的计数数生成消隐信号; 以及通过对第一复位信号和消隐信号执行逻辑与运算来产生第二复位信号。 此外，本发明还提供了一种用于电力转换的最小接通时间减少装置，以及使用最小导通时间减少装置进行电力转换的系统。

公开(公告)号：US08253350B2

公开(公告)日：2012-08-28

申请号：US12560790

申请日：2009-09-16

申请人： Chia-Chien Hung ,  Yen-Hui Wang ,  Ko-Yen Lee

发明人： Chia-Chien Hung ,  Yen-Hui Wang ,  Ko-Yen Lee

IPC分类号： G05F1/00

CPC分类号： H05B33/0818 ,  Y02B20/346

摘要： The present invention discloses an open loop LED driving circuit, having a turn-on period and a turn-off period, the circuit comprising: a power stage, used to store a magnetic energy supplied from a voltage source during the turn-on period and deliver the magnetic energy to a set of LEDs during the turn-off period; and a control unit, having a turn-off period control terminal coupled to the voltage source, and a channel of which a first terminal is coupled to the power stage and a second terminal is coupled to a reference ground, wherein the channel is switched on at a time according to the voltage of the voltage source to determine the turn-off period.

摘要翻译： 本发明公开了一种开环LED驱动电路，具有导通周期和关断周期，该电路包括：功率级，用于存储在导通周期期间从电压源提供的磁能;以及 在关闭期间将磁能传递给一组LED; 以及控制单元，具有耦合到所述电压源的关断周期控制端，以及其第一端耦合到所述功率级的通道，以及第二端耦合到参考地，其中所述通道被接通 一次根据电压源的电压来确定关断周期。

公开(公告)号：US20100237920A1

公开(公告)日：2010-09-23

申请号：US12406156

申请日：2009-03-18

申请人： Yen-Hui Wang ,  Chia-Chien Hung

发明人： Yen-Hui Wang ,  Chia-Chien Hung

IPC分类号： H03K7/08

CPC分类号： H03K7/08 ,  H03K4/02

摘要： The present invention discloses a peak magnetic flux regulation method for a power conversion via magnetic flux transformation through an inductive component, comprising the steps of: generating an adaptive reference voltage according to voltage comparison of a current sensing voltage and an expected peak voltage; and generating a PWM signal according to voltage comparison of said current sensing voltage and said adaptive reference voltage. Furthermore, the present invention also provides a peak magnetic flux regulation apparatus for a power conversion, and a system using the peak magnetic flux regulation apparatus for a power conversion.

摘要翻译： 本发明公开了一种通过电感元件进行磁通转换的功率转换的峰值磁通调节方法，包括以下步骤：根据电流检测电压和预期峰值电压的电压比较产生自适应参考电压; 以及根据所述电流感测电压和所述自适应参考电压的电压比较产生PWM信号。 此外，本发明还提供了一种用于电力转换的峰值磁通量调节装置，以及使用用于电力转换的峰值磁通量调节装置的系统。

公开(公告)号：US20100237837A1

公开(公告)日：2010-09-23

申请号：US12406145

申请日：2009-03-18

申请人： Yen-Hui Wang ,  Chia-Chien Hung ,  Chi-Hao Wu

发明人： Yen-Hui Wang ,  Chia-Chien Hung ,  Chi-Hao Wu

IPC分类号： G05F1/10

CPC分类号： H02M3/33507

摘要： The present invention discloses a minimum on-time reduction method for a switching power conversion, comprising the steps of: generating a first reset signal and an over-supply pulse signal according to a current sensing signal and a reference signal; generating a blanking signal according to a count number of the over-supply pulse signal; and generating a second reset signal by performing Logic-AND operation on the first reset signal and the blanking signal. Furthermore, the present invention also provides a minimum on-time reduction apparatus for a power conversion, and a system using the minimum on-time reduction apparatus for a power conversion.

摘要翻译： 本发明公开了一种开关电源转换的最小导通时间简化方法，包括以下步骤：根据电流检测信号和参考信号产生第一复位信号和过供电脉冲信号; 根据过供电脉冲信号的计数数生成消隐信号; 以及通过对第一复位信号和消隐信号执行逻辑与运算来产生第二复位信号。 此外，本发明还提供了一种用于电力转换的最小接通时间减少装置，以及使用最小导通时间减少装置进行电力转换的系统。

公开(公告)号：US20090277480A1

公开(公告)日：2009-11-12

申请号：US12116411

申请日：2008-05-07

申请人： Chia-Chien Hung

发明人： Chia-Chien Hung

IPC分类号： B08B3/04

CPC分类号： H01L21/0206 ,  H01L21/3105

摘要： A method of reducing residual defect on a dielectric surface includes performing a treatment process of the dielectric surface prior to a lithograph process. The treatment process includes at least a first wet chemical treatment step and a second wet chemical treatment step.

摘要翻译： 减少电介质表面上残留缺陷的方法包括在平版印刷工艺之前执行电介质表面的处理工艺。 处理方法至少包括第一湿化学处理步骤和第二湿化学处理步骤。

公开(公告)号：US08603586B2

公开(公告)日：2013-12-10

申请号：US12116411

申请日：2008-05-07

申请人： Chia-Chien Hung

发明人： Chia-Chien Hung

IPC分类号： B05D3/12

CPC分类号： H01L21/0206 ,  H01L21/3105

摘要： A method of reducing residual defect on a dielectric surface includes performing a treatment process of the dielectric surface prior to a lithograph process. The treatment process includes at least a first wet chemical treatment step and a second wet chemical treatment step.

摘要翻译： 减少电介质表面上残留缺陷的方法包括在平版印刷工艺之前执行电介质表面的处理工艺。 处理方法至少包括第一湿化学处理步骤和第二湿化学处理步骤。