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11. 发明授权

US08643587B2 Field sequential color mode liquid crystal display 有权
标题翻译：现场顺序彩色模式液晶显示
公开(公告)号：US08643587B2
公开(公告)日：2014-02-04
申请号：US11566505
申请日：2006-12-04
申请人： Chang Woo Ha , Byoung Own Min , Jeong In Cheon , Yu Jin Jang
发明人： Chang Woo Ha , Byoung Own Min , Jeong In Cheon , Yu Jin Jang
IPC分类号： G09G3/36
CPC分类号： G09G3/3413 , G09G2310/0235 , G09G2320/064 , H05B33/0818 , Y02B20/347
摘要： In an FSC mode LCD, a controller operates in response to an external adjustment, and a DC/DC converter converts a battery voltage into a driving voltage under control of the controller. A color LED backlight includes first, second and third color LED arrays connected in parallel, which are operated by the driving voltage. An FSC generator generates first, second and third color PWM signals according to an internal sawtooth voltage and a dimming voltage. A 3-channel current source generates first, second and third driving currents under control of the controller, and on/off switches paths of the first, second and third driving currents flowing through the first, second and third color LED arrays according to the first, second and third color PWM signals generated from the FSC generator, thereby adjusting luminance of the first, second and third color LED arrays of the color LED backlight.
摘要翻译：在FSC模式LCD中，控制器响应于外部调整而工作，并且DC / DC转换器在控制器的控制下将电池电压转换成驱动电压。彩色LED背光包括由驱动电压操作的并联连接的第一，第二和第三彩色LED阵列。 FSC发生器根据内部锯齿电压和调光电压产生第一，第二和第三颜色PWM信号。 3通道电流源在控制器的控制下产生第一，第二和第三驱动电流，并且根据第一，第二和第三驱动电流在第一，第二和第三彩色LED阵列中的第一，第二和第三驱动电流的开/关，从FSC发生器产生的第二和第三颜色PWM信号，从而调整彩色LED背光的第一，第二和第三颜色LED阵列的亮度。

12. 发明申请

US20080164925A1 DUAL MODE CLOCK GENERATOR 有权
标题翻译：双模时钟发生器
公开(公告)号：US20080164925A1
公开(公告)日：2008-07-10
申请号：US11971199
申请日：2008-01-08
申请人： Jeong In CHEON , Byoung Own Min , Chang Woo Ha
发明人： Jeong In CHEON , Byoung Own Min , Chang Woo Ha
IPC分类号： H03K3/017
CPC分类号： H03K4/502
摘要： There is a provided a dual mode clock generator that is applicable to a direct current-direct current converter of a power supply. The dual mode clock generator includes a frequency controller for controlling generation of charge and discharge; a current source unit for generating a charge, and generating a charge; a capacitor for charging a voltage according to the charge current generated by the current source unit; an oscillation controller for controlling switch-on or switch-off to charge and discharge the capacitor; a switch for controlling the charging and discharging of the capacitor through the ON or OFF control of the oscillation controller; and a current sink unit for generating a discharge current according to the second current in the first operation mode and generating a discharge current according to the third current and the fourth current in the second operation mode.
摘要翻译：提供了一种适用于电源的直流电流转换器的双模式时钟发生器。双模式时钟发生器包括用于控制充放电的产生的频率控制器; 用于产生电荷并产生电荷的电流源单元; 电容器，用于根据由电流源单元产生的充电电流对电压进行充电; 用于控制开关或关断以对电容器充电和放电的振荡控制器; 用于通过振荡控制器的ON或OFF控制来控制电容器的充电和放电的开关; 以及电流吸收单元，用于根据第一操作模式中的第二电流产生放电电流，并且在第二操作模式中根据第三电流和第四电流产生放电电流。

13. 发明授权

US07271520B2 Piezo actuator driving circuit 失效
标题翻译：压电致动器驱动电路
公开(公告)号：US07271520B2
公开(公告)日：2007-09-18
申请号：US11435745
申请日：2006-05-18
申请人： Byoung Own Min , Chang Woo Ha
发明人： Byoung Own Min , Chang Woo Ha
IPC分类号： H01L41/09
CPC分类号： H02N2/0075
摘要： The present invention relates to a piezo actuator driving circuit. The piezo actuator driving circuit includes a pulse generator that generates a first voltage pulse with a constant period; a first driver stage that receives the first voltage pulse of the pulse generator and buffers the first voltage pulse to output; a second driver stage that converts the first voltage pulse, buffered and output in the first driver stage, into a first current pulse to output; a driving voltage maintaining section that is connected to the pulse generator and the second driver stage so as to output a second current pulse for maintaining a constant amplitude of driving voltage pulse; and a piezo actuator that is connected to the second driver stage and the driving voltage maintaining section so as to be charged and discharged by the first and second current pulses and that is driven by the driving voltage pulse with a constant amplitude.
摘要翻译：本发明涉及压电致动器驱动电路。压电致动器驱动电路包括产生具有恒定周期的第一电压脉冲的脉冲发生器; 第一驱动器级，接收脉冲发生器的第一电压脉冲并缓冲第一电压脉冲以输出; 将第一驱动级中缓冲和输出的第一电压脉冲转换成第一电流脉冲以输出的第二驱动级; 驱动电压保持部，其连接到所述脉冲发生器和所述第二驱动级，以输出用于维持驱动电压脉冲的恒定幅度的第二电流脉冲; 以及压电致动器，其连接到第二驱动级和驱动电压保持部，以便由第一和第二电流脉冲进行充电和放电，并且由驱动电压脉冲以恒定幅度驱动。

14. 发明授权

US07741893B2 Dual mode clock generator 有权
标题翻译：双模时钟发生器
公开(公告)号：US07741893B2
公开(公告)日：2010-06-22
申请号：US11971199
申请日：2008-01-08
申请人： Jeong In Cheon , Byoung Own Min , Chang Woo Ha
发明人： Jeong In Cheon , Byoung Own Min , Chang Woo Ha
IPC分类号： H03K3/00
CPC分类号： H03K4/502
摘要： There is a provided a dual mode clock generator that is applicable to a direct current-direct current converter of a power supply. The dual mode clock generator includes a frequency controller for controlling generation of charge and discharge; a current source unit for generating a charge, and generating a charge; a capacitor for charging a voltage according to the charge current generated by the current source unit; an oscillation controller for controlling switch-on or switch-off to charge and discharge the capacitor; a switch for controlling the charging and discharging of the capacitor through the ON or OFF control of the oscillation controller; and a current sink unit for generating a discharge current according to the second current in the first operation mode and generating a discharge current according to the third current and the fourth current in the second operation mode.
摘要翻译：提供了一种适用于电源的直流电流转换器的双模式时钟发生器。双模式时钟发生器包括用于控制充放电的产生的频率控制器; 用于产生电荷并产生电荷的电流源单元; 电容器，用于根据由电流源单元产生的充电电流对电压进行充电; 用于控制开关或关断以对电容器充电和放电的振荡控制器; 用于通过振荡控制器的ON或OFF控制来控制电容器的充电和放电的开关; 以及电流吸收单元，用于根据第一操作模式中的第二电流产生放电电流，并且在第二操作模式中根据第三电流和第四电流产生放电电流。

15. 发明授权

US08018177B2 Dimming buck type LED driving apparatus 有权
标题翻译：调光降压型LED驱动装置
公开(公告)号：US08018177B2
公开(公告)日：2011-09-13
申请号：US12213809
申请日：2008-06-25
申请人： Bon Ahm Goo , Byoung Own Min , Young Jin Lee , Chang Woo Ha , Jeong In Cheon
发明人： Bon Ahm Goo , Byoung Own Min , Young Jin Lee , Chang Woo Ha , Jeong In Cheon
IPC分类号： H05B41/36
CPC分类号： H05B33/0818
摘要： A dimming buck type light emitting diode (LED) driving apparatus includes a main switch controlling a driving current flowing into an LED; a current detector detecting a driving current flowing into the LED; a power level determination unit determining a level of the driving power; a dimming capacitor for dimming control; a dimming control unit controlling charging and discharging of the dimming capacitor according to a power level determination signal and an enable signal; a reset circuit unit generating a reset signal according to a detection voltage from the current detector and a voltage of the dimming capacitor; a pulse generation unit generating a pulse signal; and a latch set by the pulse signal of the pulse generation unit and reset by the reset signal of the reset circuit unit to generate a switching signal, and turning on and off the main switch using the switching signal.
摘要翻译：调光降压型发光二极管（LED）驱动装置包括控制流入LED的驱动电流的主开关; 检测流入LED的驱动电流的电流检测器; 功率电平确定单元，确定驱动电力的电平; 调光电容器，用于调光控制; 调光控制单元，根据功率电平确定信号和使能信号控制调光电容器的充电和放电; 复位电路单元，根据来自电流检测器的检测电压和调光电容器的电压产生复位信号; 产生脉冲信号的脉冲产生单元; 以及由脉冲发生单元的脉冲信号设置的锁存器，并通过复位电路单元的复位信号进行复位，以产生开关信号，并使用开关信号接通和断开主开关。

16. 发明申请

US20090322247A1 Dimming buck type LED driving apparatus 有权
标题翻译：调光降压型LED驱动装置
公开(公告)号：US20090322247A1
公开(公告)日：2009-12-31
申请号：US12213809
申请日：2008-06-25
申请人： Bon Ahm Goo , Byoung Own Min , Young Jin Lee , Chang Woo Ha , Jeong In Cheon
发明人： Bon Ahm Goo , Byoung Own Min , Young Jin Lee , Chang Woo Ha , Jeong In Cheon
IPC分类号： H05B41/36
CPC分类号： H05B33/0818
摘要： A dimming buck type light emitting diode (LED) driving apparatus includes a main switch controlling a driving current flowing into an LED; a current detector detecting a driving current flowing into the LED; a power level determination unit determining a level of the driving power; a dimming capacitor for dimming control; a dimming control unit controlling charging and discharging of the dimming capacitor according to a power level determination signal and an enable signal; a reset circuit unit generating a reset signal according to a detection voltage from the current detector and a voltage of the dimming capacitor; a pulse generation unit generating a pulse signal; and a latch set by the pulse signal of the pulse generation unit and reset by the reset signal of the reset circuit unit to generate a switching signal, and turning on and off the main switch using the switching signal.
摘要翻译：调光降压型发光二极管（LED）驱动装置包括控制流入LED的驱动电流的主开关; 检测流入LED的驱动电流的电流检测器; 功率电平确定单元，确定驱动电力的电平; 调光电容器，用于调光控制; 调光控制单元，根据功率电平确定信号和使能信号控制调光电容器的充电和放电; 复位电路单元，根据来自电流检测器的检测电压和调光电容器的电压产生复位信号; 产生脉冲信号的脉冲产生单元; 以及由脉冲发生单元的脉冲信号设置的锁存器，并通过复位电路单元的复位信号进行复位，以产生开关信号，并使用开关信号接通和断开主开关。

17. 发明授权

US07209001B2 Offset compensation circuit for a monitoring photodiode 失效
标题翻译：用于监控光电二极管的偏移补偿电路
公开(公告)号：US07209001B2
公开(公告)日：2007-04-24
申请号：US11076467
申请日：2005-03-09
申请人： Chang Woo Ha , Kyoung Soo Kwon , Deuk Hee Park , Sang Cheol Shin
发明人： Chang Woo Ha , Kyoung Soo Kwon , Deuk Hee Park , Sang Cheol Shin
IPC分类号： H03F1/02
CPC分类号： G11B7/1263 , H03F1/34 , H03F3/08 , H03F3/45973 , H03F3/72
摘要： Disclosed is a circuit for compensating for an offset voltage of a monitoring photodiode. After the offset voltage is measured in a photodiode test, current source and offset resistors are added according to the measured resistances, thereby compensating for the offset voltage.
摘要翻译：公开了一种用于补偿监控光电二极管的偏移电压的电路。在光电二极管测试中测量偏移电压之后，根据测量的电阻添加电流源和失调电阻，从而补偿偏移电压。

18. 发明授权

US08207877B2 Serial interface, apparatus including the same, and method of using the same 有权
标题翻译：串行接口，包括其的设备及其使用方法
公开(公告)号：US08207877B2
公开(公告)日：2012-06-26
申请号：US12765819
申请日：2010-04-22
申请人： Chang Woo Ha , Sung Hoon Bea , Sang Heum Yeon
发明人： Chang Woo Ha , Sung Hoon Bea , Sang Heum Yeon
IPC分类号： H03M5/08
CPC分类号： H03M1/504
摘要： An apparatus for transferring serial data (e.g., a serial interface using a single wire) generally includes a detector configured to detect a first level time period and a second level time period of an input signal, and a computing unit configured to compute a duty or duty cycle of the input signal and generate an output signal based on the duty or duty cycle.
摘要翻译：用于传送串行数据的装置（例如，使用单线的串行接口）通常包括被配置为检测输入信号的第一电平时间段和第二电平时间段的检测器，以及计算单元，被配置为计算占空比输入信号的占空比，并根据占空比或占空比生成输出信号。

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