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1. 发明授权

US07940014B2 Apparatus for driving light emitting element 有权
标题翻译：用于驱动发光元件的装置
公开(公告)号：US07940014B2
公开(公告)日：2011-05-10
申请号：US12254520
申请日：2008-10-20
申请人： Sang Cheol Shin , Byoung Own Min , Jung Chul Gong , Yu Jin Jang , Seung Kon Kong
发明人： Sang Cheol Shin , Byoung Own Min , Jung Chul Gong , Yu Jin Jang , Seung Kon Kong
IPC分类号： H05B37/02
CPC分类号： H05B33/0818
摘要： Provided is an apparatus for driving a light emitting element. The apparatus includes a power unit, a light emitting element array, a constant-current circuit unit, and a voltage limiting circuit unit. The power unit supplies driving power. The light emitting element array includes a plurality of light emitting elements connected in series between an anode terminal connected to the power unit and a cathode terminal. The constant-current circuit unit maintains a constant current flowing through the light emitting element array according to a first tuning voltage. The voltage limiting circuit unit is connected between the cathode terminal of the light emitting element array and the constant-current circuit unit, and divides a total voltage applied between the cathode terminal of the light emitting element array and a ground according to a second tuning voltage to limit a voltage applied to the constant-current circuit unit below a predetermined voltage.
摘要翻译：提供一种驱动发光元件的装置。该装置包括功率单元，发光元件阵列，恒流电路单元和电压限制电路单元。电源单元提供驱动电源。发光元件阵列包括串联连接到电源单元的阳极端子和阴极端子之间的多个发光元件。恒流电路单元根据第一调谐电压维持流过发光元件阵列的恒定电流。电压限制电路单元连接在发光元件阵列的阴极端子和恒流电路单元之间，并且根据第二调谐电压将施加在发光元件阵列的阴极端子与地之间的总电压分压以将施加到恒流电路单元的电压限制在预定电压以下。

2. 发明授权

US07902932B2 Variable-frequency oscillator 有权
标题翻译：变频振荡器
公开(公告)号：US07902932B2
公开(公告)日：2011-03-08
申请号：US12166885
申请日：2008-07-02
申请人： Yu Jin Jang , Byoung Own Min , Seung Kon Kong , Sang Cheol Shin , Jung Chul Gong
发明人： Yu Jin Jang , Byoung Own Min , Seung Kon Kong , Sang Cheol Shin , Jung Chul Gong
IPC分类号： H03K3/233 , H03K3/37
CPC分类号： H03K4/502
摘要： There is provided a frequency-variable oscillator that varies, even when a frequency of an input signal is varied, a frequency of an oscillation signal according to the varied frequency of the input signal. The frequency-variable oscillator includes: a voltage-to-current converter circuit for converting a voltage level of an input signal into a current level within a predetermined range; and an oscillator circuit for varying a frequency according to the current level from the voltage-to-current converter circuit and oscillating the varied frequency.
摘要翻译：提供了一种变频振荡器，即使输入信号的频率发生变化，也可根据输入信号的频率变化振荡信号的频率。变频振荡器包括：电压 - 电流转换器电路，用于将输入信号的电压电平转换成预定范围内的电流电平; 以及用于根据来自电压 - 电流转换器电路的电流电平改变频率并振荡变化的频率的振荡器电路。

3. 发明授权

US07834711B2 Variable-frequency oscillator 有权
公开(公告)号：US07834711B2
公开(公告)日：2010-11-16
申请号：US12166885
申请日：2008-07-02
申请人： Yu Jin Jang , Byoung Own Min , Seung Kon Kong , Sang Cheol Shin , Jung Chul Gong
发明人： Yu Jin Jang , Byoung Own Min , Seung Kon Kong , Sang Cheol Shin , Jung Chul Gong
IPC分类号： H03K3/233 , H03K3/37
摘要： There is provided a frequency-variable oscillator that varies, even when a frequency of an input signal is varied, a frequency of an oscillation signal according to the varied frequency of the input signal. The frequency-variable oscillator includes: a voltage-to-current converter circuit for converting a voltage level of an input signal into a current level within a predetermined range; and an oscillator circuit for varying a frequency according to the current level from the voltage-to-current converter circuit and oscillating the varied frequency.

4. 发明授权

US07777527B2 Phase detection apparatus 失效
标题翻译：相位检测装置
公开(公告)号：US07777527B2
公开(公告)日：2010-08-17
申请号：US12200031
申请日：2008-08-28
申请人： Jung Chul Gong , Byoung Own Min , Yu Jin Jang , Seung Kon Kong , Sang Cheol Shin
发明人： Jung Chul Gong , Byoung Own Min , Yu Jin Jang , Seung Kon Kong , Sang Cheol Shin
IPC分类号： G01R29/00 , H03D3/00 , H03D9/00
CPC分类号： H03D13/003
摘要： There is provided a phase detection apparatus that can accurately detect a phase difference between an input signal and a reference signal even when the input signal and the reference signal have different duty cycles. A phase detection apparatus according to an aspect of the invention may include: a pulse generation unit generating a first pulse signal on an edge of an input pulse signal, and a second pulse signal based on an edge of a reference pulse signal having a predetermined phase; and a detection unit detecting a phase difference between the first pulse signal and the second pulse signal from the pulse generation unit.
摘要翻译：提供了即使在输入信号和参考信号具有不同的占空比的情况下，也可以精确地检测输入信号和参考信号之间的相位差的相位检测装置。根据本发明的一个方面的相位检测装置可以包括：脉冲产生单元，其在输入脉冲信号的边缘上产生第一脉冲信号，以及基于具有预定相位的参考脉冲信号的边沿的第二脉冲信号 ; 以及检测单元，其从所述脉冲发生单元检测所述第一脉冲信号和所述第二脉冲信号之间的相位差。

5. 发明授权

US08184111B2 Driver for a display having a frequency detection unit 失效
标题翻译：具有频率检测单元的显示器的驱动器
公开(公告)号：US08184111B2
公开(公告)日：2012-05-22
申请号：US12464399
申请日：2009-05-12
申请人： Seung Kon Kong , Byoung Own Min , Jung Chul Gong , Jeong In Cheon , Yu Jin Jang
发明人： Seung Kon Kong , Byoung Own Min , Jung Chul Gong , Jeong In Cheon , Yu Jin Jang
IPC分类号： G09G5/00
CPC分类号： G09G3/3406 , G09G2320/0247
摘要： A driver for display provides a driving signal having a frequency synchronized with that of an image signal when the image signal is normal and provides a driving signal having a predetermined frequency when the image signal is abnormal, thereby performing a stable operation. The driver includes a frequency detection unit detecting a frequency difference between a frequency of an inputted image signal and a frequency of a frequency-divided driving signal, a driving signal generation unit generating the driving signal having a frequency synchronized with the frequency of the image signal according to a detection result of the frequency detection unit, and a control unit stopping a frequency detection operation of the frequency detection unit when the detection result of the frequency detection unit shows an abnormal operation.
摘要翻译：当图像信号正常时，用于显示的驱动器提供具有与图像信号的频率同步的频率的驱动信号，并且当图像信号异常时提供具有预定频率的驱动信号，从而执行稳定的操作。驱动器包括检测输入图像信号的频率与分频驱动信号的频率之间的频率差的频率检测单元，产生具有与图像信号的频率同步的频率的驱动信号的驱动信号生成单元根据频率检测单元的检测结果，以及当频率检测单元的检测结果显示异常操作时，控制单元停止频率检测单元的频率检测操作。

6. 发明申请

US20100141300A1 INVERTER DRIVER INTEGRATED CIRCUIT 失效
标题翻译：逆变器驱动集成电路
公开(公告)号：US20100141300A1
公开(公告)日：2010-06-10
申请号：US12437713
申请日：2009-05-08
申请人： Bo Hyun Hwang , Byoung Own Min , Jeong In Cheon , Yu Jin Jang , Seung Kon Kong , Sang Cheol Shin
发明人： Bo Hyun Hwang , Byoung Own Min , Jeong In Cheon , Yu Jin Jang , Seung Kon Kong , Sang Cheol Shin
IPC分类号： H03K19/0175
CPC分类号： H05B33/0818 , G09G3/3406 , G09G2330/04 , H05B33/0848 , H05B33/0887 , H05B41/2828 , H05B41/2855 , Y02B20/346
摘要： An inverter driver integrated circuit (IC) includes a control signal generator generating a first control signal and a second control signal by use of a pulse width modulation oscillator signal, a comparator comparing a half-wave rectified signal of a lamp feedback signal fed back from a lamp with a preset reference signal to output a lamp state signal, a first sensor receiving the lamp state signal and the second control signal to output a first sensing signal, and a second sensor receiving the first sensing signal and the first control signal to output a second sensing signal.
摘要翻译：逆变器驱动器集成电路（IC）包括通过使用脉冲宽度调制振荡器信号产生第一控制信号和第二控制信号的控制信号发生器，比较将反馈信号反馈的灯反馈信号的半波整流信号具有预置参考信号以输出灯状态信号的灯，接收灯状态信号的第一传感器和第二控制信号以输出第一感测信号，以及接收第一感测信号和第一控制信号的第二传感器，以输出第二感测信号。

7. 发明授权

US07898298B2 Inverter driver integrated circuit 失效
标题翻译：变频器驱动器集成电路
公开(公告)号：US07898298B2
公开(公告)日：2011-03-01
申请号：US12437713
申请日：2009-05-08
申请人： Bo Hyun Hwang , Byoung Own Min , Jeong In Cheon , Yun Jin Jang , Seung Kon Kong , Sang Cheol Shin
发明人： Bo Hyun Hwang , Byoung Own Min , Jeong In Cheon , Yun Jin Jang , Seung Kon Kong , Sang Cheol Shin
IPC分类号： H03K19/20
CPC分类号： H05B33/0818 , G09G3/3406 , G09G2330/04 , H05B33/0848 , H05B33/0887 , H05B41/2828 , H05B41/2855 , Y02B20/346
摘要： An inverter driver integrated circuit (IC) includes a control signal generator generating a first control signal and a second control signal by use of a pulse width modulation oscillator signal, a comparator comparing a half-wave rectified signal of a lamp feedback signal fed back from a lamp with a preset reference signal to output a lamp state signal, a first sensor receiving the lamp state signal and the second control signal to output a first sensing signal, and a second sensor receiving the first sensing signal and the first control signal to output a second sensing signal.
摘要翻译：逆变器驱动器集成电路（IC）包括通过使用脉冲宽度调制振荡器信号产生第一控制信号和第二控制信号的控制信号发生器，比较将反馈信号反馈的灯反馈信号的半波整流信号具有预置参考信号以输出灯状态信号的灯，接收灯状态信号的第一传感器和第二控制信号以输出第一感测信号，以及接收第一感测信号和第一控制信号的第二传感器，以输出第二感测信号。

8. 发明授权

US08421369B2 Light emitting diode having protection function 失效
标题翻译：具有保护功能的发光二极管
公开(公告)号：US08421369B2
公开(公告)日：2013-04-16
申请号：US12606800
申请日：2009-10-27
申请人： Jeong In Cheon , Byoung Own Min , Yu Jin Jang , Seung Kon Kong
发明人： Jeong In Cheon , Byoung Own Min , Yu Jin Jang , Seung Kon Kong
IPC分类号： H05B37/02
CPC分类号： H05B33/0815 , Y02B20/341 , Y02B20/346
摘要： The present invention relates to a light emitting diode driver having a protection function that activates hiccup mode for a predetermined period of time when a light emitting diode performs an abnormal operation to thereby protect the light emitting diode. A light emitting diode driver having a protection function according to an aspect of the invention may include: a light emitting unit emitting light; a reference signal generating unit generating a reference signal having pulses with a predetermined period when the light emitting unit performs an abnormal operation; a control unit controlling operating time in hiccup mode according to the reference signal from the reference signal generating unit, the hiccup mode where output is switched on and off at a predetermined period; and a driving unit driving the light emitting unit in the hiccup mode for the operating time determined by the control unit.
摘要翻译：本发明涉及具有保护功能的发光二极管驱动器，该保护功能在发光二极管执行异常操作从而保护发光二极管时，在预定时间段内激活打嗝模式。根据本发明的一个方面的具有保护功能的发光二极管驱动器可以包括：发光单元; 参考信号产生单元，当所述发光单元执行异常操作时，产生具有预定周期的脉冲的参考信号; 控制单元，根据来自基准信号生成单元的基准信号控制打嗝模式的动作时间，以预定时间段接通和断开输出的打嗝模式; 以及驱动单元，在由所述控制单元确定的所述操作时间的情况下，以所述打嗝模式驱动所述发光单元。

9. 发明申请

US20100102750A1 LIGHT EMITTING DIODE HAVING PROTECTION FUNCTION 失效
标题翻译：具有保护功能的发光二极管
公开(公告)号：US20100102750A1
公开(公告)日：2010-04-29
申请号：US12606800
申请日：2009-10-27
申请人： Jeong In Cheon , Byoung Own Min , Yu Jin Jang , Seung Kon Kong
发明人： Jeong In Cheon , Byoung Own Min , Yu Jin Jang , Seung Kon Kong
IPC分类号： H05B37/02
CPC分类号： H05B33/0815 , Y02B20/341 , Y02B20/346
摘要： The present invention relates to a light emitting diode driver having a protection function that activates hiccup mode for a predetermined period of time when a light emitting diode performs an abnormal operation to thereby protect the light emitting diode. A light emitting diode driver having a protection function according to an aspect of the invention may include: a light emitting unit emitting light; a reference signal generating unit generating a reference signal having pulses with a predetermined period when the light emitting unit performs an abnormal operation; a control unit controlling operating time in hiccup mode according to the reference signal from the reference signal generating unit, the hiccup mode where output is switched on and off at a predetermined period; and a driving unit driving the light emitting unit in the hiccup mode for the operating time determined by the control unit.
摘要翻译：本发明涉及具有保护功能的发光二极管驱动器，该保护功能在发光二极管执行异常操作从而保护发光二极管时，在预定时间段内激活打嗝模式。根据本发明的一个方面的具有保护功能的发光二极管驱动器可以包括：发光单元; 参考信号产生单元，当所述发光单元执行异常操作时，产生具有预定周期的脉冲的参考信号; 控制单元，根据来自基准信号生成单元的基准信号控制打嗝模式的动作时间，以预定时间段接通和断开输出的打嗝模式; 以及驱动单元，在由所述控制单元确定的所述操作时间的情况下，以所述打嗝模式驱动所述发光单元。

10. 发明授权

US09055640B2 Light emitting diode driving apparatus 有权
标题翻译：发光二极管驱动装置
公开(公告)号：US09055640B2
公开(公告)日：2015-06-09
申请号：US13494543
申请日：2012-06-12
申请人： Jung Eui Park , Bo Hyun Hwang , Seo Hyung Kim , Jae Shin Lee , Dae Hoon Han , Seung Kon Kong
发明人： Jung Eui Park , Bo Hyun Hwang , Seo Hyung Kim , Jae Shin Lee , Dae Hoon Han , Seung Kon Kong
IPC分类号： H05B33/08
CPC分类号： H05B33/0827
摘要： There is provided a light emitting diode driving apparatus capable of uniformly maintaining current balance between light emitting diode channels. The light emitting diode driving apparatus includes: a DC to DC converting unit converting the direct current power into settable driving power; a detecting unit detecting voltage drops generated in each of a plurality of light emitting diode channels each having a plurality of light emitting diodes; a converting unit converting an analog value into a digital value; and a driving unit differentially setting duty cycles of switching signals according to the digital values from the converting unit to drive the plurality of light emitting diode channels.
摘要翻译：提供了能够均匀地保持发光二极管通道之间的电流平衡的发光二极管驱动装置。发光二极管驱动装置包括：直流/直流转换单元，将直流电转换成可设定的驱动电力; 检测单元，检测在每个具有多个发光二极管的多个发光二极管通道中的每一个中产生的电压降; 转换单元，将模拟值转换为数字值; 以及驱动单元，根据来自转换单元的数字值差分地设置开关信号的占空比，以驱动多个发光二极管通道。

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