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31. 发明申请

US20130271097A1 CONTROLLER AND CONVERTING CONTROLLER WITH MULTI-FUNCTION PIN 有权
标题翻译：控制器和转换控制器与多功能PIN
公开(公告)号：US20130271097A1
公开(公告)日：2013-10-17
申请号：US13585811
申请日：2012-08-14
申请人： Li-Min Lee , Quan Gan , Shian-Sung Shiu , Chung-Che Yu
发明人： Li-Min Lee , Quan Gan , Shian-Sung Shiu , Chung-Che Yu
IPC分类号： G05F1/10
CPC分类号： H02M3/156 , H01L21/00 , H02H3/10 , H02H7/1222 , H02H7/1227 , H02M1/32 , H02M3/158
摘要： A controller with a multi-function pin, adapted to control a converting circuit according to a control signal for converting an input voltage into an output voltage, is disclosed. The controller has the multi-function pin, an enable unit, an over-current detecting unit and a logic control unit. The enable unit is coupled to the multi-function pin for receiving an enable signal and activates the controller in response to the enable signal. The over-current detecting is coupled to the multi-function pin and determines an over-current value according to an over-current set resistance coupled between the multi-function pin and a voltage source. The over-current detecting unit generates an over-current protection signal according to the over-current value and a current flowing through the converting circuit. The logic control unit determines whether executing an over-current protection according to the over-current protection signal.
摘要翻译：公开了一种具有多功能引脚的控制器，其适于根据用于将输入电压转换为输出电压的控制信号来控制转换电路。控制器具有多功能引脚，使能单元，过流检测单元和逻辑控制单元。使能单元耦合到多功能引脚，用于接收使能信号，并响应于使能信号激活控制器。过电流检测耦合到多功能引脚，并根据耦合在多功能引脚和电压源之间的过电流设定电阻确定过电流值。过流检测单元根据过电流值和流过转换电路的电流产生过电流保护信号。逻辑控制单元根据过电流保护信号判定是否执行过电流保护。

32. 发明授权

US08384352B2 Battery voltage balance apparatus and battery charge apparatus 有权
标题翻译：电池电压平衡装置和电池充电装置
公开(公告)号：US08384352B2
公开(公告)日：2013-02-26
申请号：US12906142
申请日：2010-10-18
申请人： Shian-Sung Shiu , Li-Min Lee , Chung-Che Yu , Ke Peng
发明人： Shian-Sung Shiu , Li-Min Lee , Chung-Che Yu , Ke Peng
IPC分类号： H01M10/46
CPC分类号： H01M10/44 , H01M10/4207 , H02J7/0016
摘要： In the related art, the measurement error due to the internal resistance of the battery is not considered in the battery balance method, such that the battery balance is not accurate, or the battery balance process is frequently started and stopped. In exemplary embodiments of the invention, detecting battery voltage and balancing battery voltage are performed in different time, such that the difference of charge current/discharge current among the batteries due to the battery voltage balance process do not affect the battery voltage detecting.
摘要翻译：在现有技术中，在电池平衡方法中没有考虑由于电池的内部电阻引起的测量误差，使得电池平衡不准确，或者电池平衡过程频繁地开始和停止。在本发明的示例性实施例中，在不同的时间内执行检测电池电压和平衡电池电压，使得由于电池电压平衡处理而导致的电池之间的充电电流/放电电流的差异不影响电池电压检测。

33. 发明申请

US20120242249A1 Controller and LED driving circuit with protection function 有权
标题翻译：控制器和LED驱动电路具有保护功能
公开(公告)号：US20120242249A1
公开(公告)日：2012-09-27
申请号：US13354295
申请日：2012-01-19
申请人： Chung-Che Yu , Li-Min Lee , Shian-Sung Shiu
发明人： Chung-Che Yu , Li-Min Lee , Shian-Sung Shiu
IPC分类号： H05B37/02 , H03K3/00
CPC分类号： H05B33/0884 , H03K17/0822 , H05B33/089 , Y02B20/341
摘要： A controller with protection function, for controlling a transistor having a control terminal, a first terminal coupled to a load, a second terminal, is disclosed. The controller comprises a judgment unit and a current control unit. The judgment unit is coupled to the transistor and generates a current reducing signal when a potential of the first terminal of the transistor or a voltage difference between the first terminal and the second terminal of the transistor is higher than a preset value. The current control unit is coupled to the control terminal of the transistor for substantially stabilizing the current flowing through the transistor at a preset current value, and reduces the current flowing from the preset current value when receiving the current reducing signal.
摘要翻译：公开了一种具有保护功能的控制器，用于控制具有控制端子的晶体管，耦合到负载的第一端子，第二端子。控制器包括判断单元和电流控制单元。当晶体管的第一端子的电位或晶体管的第一端子和第二端子之间的电压差高于预设值时，判断单元耦合到晶体管并产生电流减小信号。电流控制单元耦合到晶体管的控制端子，用于基本稳定以预设电流值流过晶体管的电流，并且当接收电流降低信号时，减小从预置电流值流出的电流。

34. 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。

35. 发明申请

US20120038391A1 TRANSISTOR MODULE AND TRANSISTOR DRIVING MODULE 有权
标题翻译：晶体管模块和晶体管驱动模块
公开(公告)号：US20120038391A1
公开(公告)日：2012-02-16
申请号：US13092142
申请日：2011-04-21
申请人： Li-Min Lee , Shian-Sung Shiu , Chung-Che Yu , Si-Min Wu
发明人： Li-Min Lee , Shian-Sung Shiu , Chung-Che Yu , Si-Min Wu
IPC分类号： H03K3/01
CPC分类号： H02H7/122
摘要： The present invention discloses a transistor driving module, coupling to a converting controller, to driving a high side transistor and a low side transistor connected in series, wherein one end of the high side transistor is coupled to an input voltage and one end of the low side transistor is grounded. The transistor driving module comprises a high side driving unit, a low side driving unit, a current limiting unit and an anti-short through unit. The high side driving unit generates a high side driving signal to turn the high side transistor on according to a duty cycle signal, and the low side driving unit generates a low side driving signal turn the low side transistor on according to the high side driving signal. The current limiting unit is coupled to the high side transistor and the high side driving unit, and generates a current limiting signal when a current flowing through the high side transistor higher than a current limiting value. The high side driving unit is stopped to generate the high side driving signal when receiving the current limiting value. The anti-short through unit is coupled to the high side driving unit and the low side driving unit to control the generations of the high side driving signal and the low side driving signal to have the timings of the high side driving signal and the low side driving signal non-overlapped.
摘要翻译：本发明公开了一种与转换控制器耦合以驱动串联连接的高侧晶体管和低侧晶体管的晶体管驱动模块，其中高侧晶体管的一端耦合到输入电压，低端的一端侧晶体管接地。晶体管驱动模块包括高侧驱动单元，低侧驱动单元，限流单元和防短路单元。高侧驱动单元产生高侧驱动信号，以根据占空比信号使高侧晶体管导通，低边驱动单元产生低侧驱动信号，根据高侧驱动信号使低侧晶体管导通。电流限制单元耦合到高侧晶体管和高侧驱动单元，并且当流过高侧晶体管的电流高于电流限制值时，产生限流信号。当接收到电流限制值时，高侧驱动单元被停止以产生高侧驱动信号。防短路单元耦合到高侧驱动单元和低侧驱动单元，以控制高侧驱动信号和低侧驱动信号的代，以具有高侧驱动信号和低侧的定时驾驶信号不重叠。

36. 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。

37. 发明申请

US20100141159A1 LED DRIVING CIRCUIT AND CONTROLLER WITH TEMPERATURE COMPENSATION THEREOF 审中-公开
标题翻译： LED驱动电路及其温度补偿控制器
公开(公告)号：US20100141159A1
公开(公告)日：2010-06-10
申请号：US12399017
申请日：2009-03-06
申请人： Shian-Sung Shiu , Li-Min Lee , Chung-Che Yu
发明人： Shian-Sung Shiu , Li-Min Lee , Chung-Che Yu
IPC分类号： H05B37/02
CPC分类号： H05B33/0827 , H05B33/0851 , H05B33/0854
摘要： The present invention provides an LED driving circuit with temperature compensation, comprising a power transforming circuit, an LED module and a controller. The transforming circuit receives an electrical power from an input power source and transforms it into an output voltage according to a control signal. The LED module is coupled to the transforming circuit. The controller generates the control signal according to an operation temperature and a voltage feedback signal indicative of the output voltage, and makes the output voltage decrease with increasing operation temperature. Therefore, the LED driving circuit of the present invention has an effect of temperature compensation that compensates the influence of the decreased driving voltage of the LED module due to temperature.
摘要翻译：本发明提供一种具有温度补偿的LED驱动电路，包括功率变换电路，LED模块和控制器。变换电路从输入电源接收电力，并根据控制信号将其转换为输出电压。 LED模块耦合到变换电路。控制器根据操作温度和表示输出电压的电压反馈信号产生控制信号，并使输出电压随着工作温度的升高而降低。因此，本发明的LED驱动电路具有补偿由温度引起的LED模块的驱动电压降低的影响的温度补偿的效果。

38. 发明授权

US07397195B2 Apparatus of light source and adjustable control circuit for LEDs 有权
标题翻译：用于LED的光源装置和可调控制电路
公开(公告)号：US07397195B2
公开(公告)日：2008-07-08
申请号：US11164316
申请日：2005-11-17
申请人： Chung-Che Yu , Li-Min Lee
发明人： Chung-Che Yu , Li-Min Lee
IPC分类号： G05F1/00
CPC分类号： H05B33/0857 , H05B33/0818
摘要： A control circuit for LEDs is adapted for controlling brightness of a plurality of LEDs as light source in an LCD. The control circuit comprises a control pulse generator and a plurality of LED direct current supplies. The control pulse generator is used for receiving a brightness adjusting signal and generating a plurality of brightness control pulse signals having the same frequency but different phases according to the brightness control signals. The work cycle of the brightness control pulse signal varies in a predetermined range according to the brightness control signal. The LED direct current provider is coupled to the control pulse generator to drive the corresponding LED according to the brightness pulse signal.
摘要翻译：用于LED的控制电路适于控制作为LCD中的光源的多个LED的亮度。控制电路包括控制脉冲发生器和多个LED直流电源。控制脉冲发生器用于接收亮度调节信号，并根据亮度控制信号产生具有相同频率但不同相位的多个亮度控制脉冲信号。亮度控制脉冲信号的工作周期根据亮度控制信号在预定范围内变化。 LED直流提供器耦合到控制脉冲发生器，以根据亮度脉冲信号驱动相应的LED。

39. 发明申请

US20080122551A1 APPARATUS FOR PULSE WIDTH MODULATION AND METHOD FOR CONTROLLING THEREOF 审中-公开
标题翻译：用于脉冲宽度调制的装置及其控制方法
公开(公告)号：US20080122551A1
公开(公告)日：2008-05-29
申请号：US11609908
申请日：2006-12-13
申请人： Li-Min Lee , Chung-Che Yu , Chih-Shun Lee
发明人： Li-Min Lee , Chung-Che Yu , Chih-Shun Lee
IPC分类号： H03K7/08
CPC分类号： H03K7/08 , H02M3/156 , H03F2200/351
摘要： An apparatus for generating a pulse width modulated (PWM) signal to control a transforming circuit to drive a loading is provided. The apparatus includes an error signal generator, a control circuit and a comparator. The error signal generator includes a first input terminal for receiving a reference voltage, a second input terminal for receiving a feedback signal generated based on an operating state of the loading respectively, and an output terminal for outputting an error status signal. The comparator includes a first input terminal for receiving the error status signal, a second input terminal for receiving a compare signal, and an output terminal for generating the PWM signal. The control circuit determines whether to provide a setting signal coupled to the output terminal of the error signal generator based on at least one control signal.
摘要翻译：提供一种用于产生脉宽调制（PWM）信号以控制变换电路以驱动负载的装置。该装置包括误差信号发生器，控制电路和比较器。误差信号发生器包括用于接收参考电压的第一输入端子，用于分别接收基于负载运行状态产生的反馈信号的第二输入端子和用于输出错误状态信号的输出端子。比较器包括用于接收误差状态信号的第一输入端子，用于接收比较信号的第二输入端子和用于产生PWM信号的输出端子。控制电路基于至少一个控制信号来确定是否提供耦合到误差信号发生器的输出端的设置信号。

40. 发明申请

US20070222739A1 DRIVING CIRCUIT WITH PROTECTION MODULE FOR BACK LIGHT MODULE 审中-公开
标题翻译：用于背光模块的保护模块驱动电路
公开(公告)号：US20070222739A1
公开(公告)日：2007-09-27
申请号：US11309019
申请日：2006-06-09
申请人： Chung-Che Yu , Li-Min Lee , Chin-Fa Kao
发明人： Chung-Che Yu , Li-Min Lee , Chin-Fa Kao
IPC分类号： G09G3/36
CPC分类号： G09G3/3406 , G09G2320/064 , G09G2330/04 , H05B33/0818 , H05B33/0851 , H05B33/0887 , Y02B20/341 , Y02B20/346
摘要： A driving circuit for a plurality of light-emitting diodes (LEDs) comprises a transformer, a driving module, and a protection module. The transformer has a primary coil and a secondary coil, wherein a first end of the primary coil is coupled to a voltage source. Furthermore, a second end of the primary coil of the transformer is coupled to the driving module. The driving module determines whether to deliver electrical power to the transformer according to a pulse-width modulation (PWM) signal and an error signal. The protection module is coupled to the secondary coil. When a driving voltage output by the transformer to the LEDs is less than a first preset voltage or greater than a second preset voltage, the protection module generates the error signal to the driving module.
摘要翻译：用于多个发光二极管（LED）的驱动电路包括变压器，驱动模块和保护模块。变压器具有初级线圈和次级线圈，其中初级线圈的第一端耦合到电压源。此外，变压器的初级线圈的第二端耦合到驱动模块。驱动模块根据脉冲宽度调制（PWM）信号和误差信号来确定是否向变压器传送电力。保护模块耦合到次级线圈。当变压器向LED输出的驱动电压小于第一预设电压或大于第二预置电压时，保护模块产生到驱动模块的误差信号。

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