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11. 发明申请

US20110050128A1 MODULE FOR CONTROLLING LIGHT EMITTING DIODE CURRENT FOR SELECTIVE FEEDBACK, APPARATUS AND METHOD FOR DRIVING LIGHT EMITTING DIODES USING THE SAME 有权
标题翻译：用于控制用于选择性反馈的发光二极管电流的模块，使用其的驱动发光二极管的装置和方法
公开(公告)号：US20110050128A1
公开(公告)日：2011-03-03
申请号：US12629552
申请日：2009-12-02
申请人： Seung Kon Kong , Bo Hyun Hwang , Jung Hyun Kim , Jung Sun Kwon
发明人： Seung Kon Kong , Bo Hyun Hwang , Jung Hyun Kim , Jung Sun Kwon
IPC分类号： H05B41/36
CPC分类号： H05B33/0812 , H05B33/0824 , Y02B20/345
摘要： The present invention provides a module for controlling an LED current for selective feedback, an apparatus and a method for driving LEDs using the same. The module for controlling the LED current, which is connected to a plurality of LED channels receiving driving powers supplied from at least one DC/DC converter and controls currents of the LED channels through a constant current, the LED current controlling module includes: an operation mode selector for selecting an operation mode according to an inputted enable signal level; a channel divider for dividing a plurality of LED channels into at least one group according to the selected operation mode; and a minimum voltage selector for selecting an LED channel with a minimum voltage, obtained by comparing voltages detected from each of lower ends of the LED channels included in each of one or more divided groups.
摘要翻译：本发明提供一种用于控制用于选择反馈的LED电流的模块，用于驱动使用该LED的LED的装置和方法。用于控制LED电流的模块，其连接到从至少一个DC / DC转换器提供的驱动功率的多个LED通道，并通过恒定电流来控制LED通道的电流，LED电流控制模块包括：模式选择器，用于根据输入的使能信号电平选择操作模式; 用于根据选择的操作模式将多个LED通道分成至少一个组的通道分配器; 以及用于选择具有最小电压的LED通道的最小电压选择器，其通过比较包括在一个或多个分组中的每一个中的LED通道的每个下端检测到的电压而获得。

12. 发明申请

US20120068738A1 DEVICE AND METHOD FOR GENERATING THREE MODE SIGNAL 失效
标题翻译：用于产生三个模式信号的装置和方法
公开(公告)号：US20120068738A1
公开(公告)日：2012-03-22
申请号：US13027689
申请日：2011-02-15
申请人： Joon Youp SUNG , Jung Sun KWON , Jae Shin LEE , Seung Kon KONG , Jung Hyun KIM , Bo Hyun HWANG
发明人： Joon Youp SUNG , Jung Sun KWON , Jae Shin LEE , Seung Kon KONG , Jung Hyun KIM , Bo Hyun HWANG
IPC分类号： H03K5/22
CPC分类号： H05B33/0812 , H05B33/0896 , Y02B20/343 , Y02B20/345
摘要： The device for generating three mode signals includes: a voltage setting block including an input terminal receiving three input signals of driving voltage, open, and ground and setting three voltages according to the three input signals; and an output block including two output terminals and a second node B receiving the three voltages from the voltage setting block, and outputting three combined signals by comparing an input voltage with a reference voltage, whereby only a small number of resistors and amplifiers generates three mode signals to further reduce the chip size than the related art and the external power source is not required to solve the problems of the related art due to noise.
摘要翻译：用于产生三个模式信号的装置包括：电压设置块，包括接收驱动电压，开路和地线三个输入信号的输入端，并根据三个输入信号设置三个电压; 以及包括两个输出端子和从电压设定块接收三个电压的第二节点B的输出块，并且通过将输入电压与参考电压进行比较来输出三个组合信号，由此只有少数电阻器和放大器产生三个模式信号以进一步减小芯片尺寸，并且由于噪声而不需要外部电源来解决现有技术的问题。

13. 发明授权

US08115413B2 Module for controlling light emitting diode current for selective feedback, apparatus and method for driving light emitting diodes using the same 有权
标题翻译：用于控制用于选择反馈的发光二极管电流的模块，用于驱动使用其的发光二极管的装置和方法
公开(公告)号：US08115413B2
公开(公告)日：2012-02-14
申请号：US12629552
申请日：2009-12-02
申请人： Seung Kon Kong , Bo Hyun Hwang , Jung Hyun Kim , Jung Sun Kwon
发明人： Seung Kon Kong , Bo Hyun Hwang , Jung Hyun Kim , Jung Sun Kwon
IPC分类号： G05F1/00
CPC分类号： H05B33/0812 , H05B33/0824 , Y02B20/345
摘要： The present invention provides a module for controlling an LED current for selective feedback, an apparatus and a method for driving LEDs using the same. The module for controlling the LED current, which is connected to a plurality of LED channels receiving driving powers supplied from at least one DC/DC converter and controls currents of the LED channels through a constant current, the LED current controlling module includes: an operation mode selector for selecting an operation mode according to an inputted enable signal level; a channel divider for dividing a plurality of LED channels into at least one group according to the selected operation mode; and a minimum voltage selector for selecting an LED channel with a minimum voltage, obtained by comparing voltages detected from each of lower ends of the LED channels included in each of one or more divided groups.
摘要翻译：本发明提供一种用于控制用于选择反馈的LED电流的模块，用于驱动使用该LED的LED的装置和方法。用于控制LED电流的模块，其连接到从至少一个DC / DC转换器提供的驱动功率的多个LED通道，并通过恒定电流来控制LED通道的电流，LED电流控制模块包括：模式选择器，用于根据输入的使能信号电平选择操作模式; 用于根据选择的操作模式将多个LED通道分成至少一个组的通道分配器; 以及用于选择具有最小电压的LED通道的最小电压选择器，其通过比较包括在一个或多个分组中的每一个中的LED通道的每个下端检测到的电压而获得。

14. 发明申请

US20130249424A1 LIGHT EMITTING DIODE DRIVING APPARATUS 审中-公开
标题翻译：发光二极管驱动装置
公开(公告)号：US20130249424A1
公开(公告)日：2013-09-26
申请号：US13494497
申请日：2012-06-12
申请人： Jung Eui PARK , Seung Kon Kong , Joon Youp Sung , Jae Shin Lee , Jin Soo Lee , Jung Sun Kwon
发明人： Jung Eui PARK , Seung Kon Kong , Joon Youp Sung , Jae Shin Lee , Jin Soo Lee , Jung Sun Kwon
IPC分类号： H05B37/02
CPC分类号： H05B33/0827 , H05B33/0851
摘要： There is provided a light emitting diode driving apparatus capable of uniformly controlling current balance between light emitting diode channels. The light emitting diode driving apparatus includes: an AC to DC converting unit converting input AC power into a preset DC driving power; a detecting unit detecting voltage drops generated in a plurality of respective light emitting diode channels each having a plurality of light emitting diodes performing a light emitting operation by receiving the DC driving power; a converting unit converting analog values detected from the detecting unit into digital values; and a driving unit differentially setting switching signal duty cycles in which a driving current is allowed to flow in the plurality of respective light emitting diode channels according to the digital values from the converting unit to drive the plurality of light emitting diode channels.
摘要翻译：提供了能够均匀地控制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：将输入AC电力转换为预设的DC驱动电力的AC至DC转换单元; 检测单元，检测多个各自的发光二极管通道中产生的电压降，每个发光二极管通道具有通过接收直流驱动功率而执行发光操作的多个发光二极管; 转换单元，将从检测单元检测的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，差分地设置允许驱动电流在多个相应的发光二极管通道中流动的开关信号占空比，以驱动多个发光二极管通道。

15. 发明授权

US08519637B2 Digital PWM generator and apparatus for driving light emitting device 失效
标题翻译：用于驱动发光器件的数字PWM发生器和装置
公开(公告)号：US08519637B2
公开(公告)日：2013-08-27
申请号：US13069558
申请日：2011-03-23
申请人： Jung Hyun Kim , Bo Hyun Hwang , Jung Sun Kwon , Seung Kon Kong , Jae Shin Lee , Joon Youp Sung
发明人： Jung Hyun Kim , Bo Hyun Hwang , Jung Sun Kwon , Seung Kon Kong , Jae Shin Lee , Joon Youp Sung
IPC分类号： H05B37/02
CPC分类号： H05B33/0842 , H05B33/0818 , H05B33/0824 , Y02B20/346
摘要： There is provided a digital PWM generator according to a first exemplary embodiment of the present invention including: an A/D converter dividing a predetermined reference voltage into a plurality of sections corresponding to a predetermined first set value, searching a section to which the magnitude of an input voltage Vin corresponds, among the plurality of sections, and converting a value corresponding to the searched section into a digital signal; a frequency selector providing a counting number by counting a predetermined high-speed counting clock during a one-cycle section of a predetermined reference clock; and a PWM signal generator converting the digital signal from the A/D converter into a ratio value corresponding to a ratio for the reference voltage and generating a PWM signal having a controlled duty ratio of the reference clock by using the ratio value and the counting number from the frequency selector.
摘要翻译：提供了根据本发明的第一示例性实施例的数字PWM发生器，包括：A / D转换器，将预定的参考电压分成对应于预定的第一设定值的多个部分，在多个部分中，输入电压Vin对应于将与搜索到的部分相对应的值转换为数字信号; 频率选择器，通过在预定参考时钟的一个周期段内对预定的高速计数时钟进行计数来提供计数数; 以及PWM信号发生器，其将来自A / D转换器的数字信号转换成与参考电压的比率相对应的比值，并通过使用比值和计数数来产生具有参考时钟的受控占空比的PWM信号从频率选择器。

16. 发明授权

US08344662B2 Light emitting diode driver 有权
标题翻译：发光二极管驱动器
公开(公告)号：US08344662B2
公开(公告)日：2013-01-01
申请号：US12885903
申请日：2010-09-20
申请人： Bo Hyun Hwang , Jae Shin Lee , Jung Hyun Kim , Jung Sun Kwon , Seung Kon Kong
发明人： Bo Hyun Hwang , Jae Shin Lee , Jung Hyun Kim , Jung Sun Kwon , Seung Kon Kong
IPC分类号： G05F1/00
CPC分类号： H02M1/44 , H02M3/156 , H03K17/162 , H05B33/0809
摘要： There is provided a light emitting diode (LED) driver removing signal interference by varying a switching frequency within a preset range. The LED driver includes a power supply section switching input power and supplying driving power to at least one LED; a switching control section controlling the switching of the power supply section according to a clock signal being supplied; and a clock signal generation section supplying the clock signal having a preset variable frequency range to the switching control section.
摘要翻译：提供了通过在预设范围内改变开关频率来消除信号干扰的发光二极管（LED）驱动器。所述LED驱动器包括：电源部，切换输入电力，并向至少一个LED提供驱动电力; 切换控制部，根据供给的时钟信号来控制供电部的切换; 以及向切换控制部提供具有预设可变频率范围的时钟信号的时钟信号生成部。

17. 发明申请

US20110156606A1 LIGHT EMITTING DIODE DRIVER 有权
标题翻译：发光二极管驱动器
公开(公告)号：US20110156606A1
公开(公告)日：2011-06-30
申请号：US12885903
申请日：2010-09-20
申请人： Bo Hyun HWANG , Jae Shin Lee , Jung Hyun Kim , Jung Sun Kwon , Seung Kon Kong
发明人： Bo Hyun HWANG , Jae Shin Lee , Jung Hyun Kim , Jung Sun Kwon , Seung Kon Kong
IPC分类号： H05B37/02
CPC分类号： H02M1/44 , H02M3/156 , H03K17/162 , H05B33/0809
摘要： There is provided a light emitting diode (LED) driver removing signal interference by varying a switching frequency within a preset range. The LED driver includes a power supply section switching input power and supplying driving power to at least one LED; a switching control section controlling the switching of the power supply section according to a clock signal being supplied; and a clock signal generation section supplying the clock signal having a preset variable frequency range to the switching control section.
摘要翻译：提供了通过在预设范围内改变开关频率来消除信号干扰的发光二极管（LED）驱动器。所述LED驱动器包括：电源部，切换输入电力，并向至少一个LED提供驱动电力; 切换控制部，根据供给的时钟信号来控制供电部的切换; 以及向切换控制部提供具有预设可变频率范围的时钟信号的时钟信号生成部。

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