公开(公告)号：US20130249418A1

公开(公告)日：2013-09-26

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： H05B37/02

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。

公开(公告)号：US20130033191A1

公开(公告)日：2013-02-07

申请号：US13278867

申请日：2011-10-21

申请人： Joong Ho CHOI ,  Seok Lee ,  Jae Hoon Kim ,  Jae Shin Lee ,  Yeun Joong Lee ,  Deuk Hee Park ,  Sang Hyun Cha ,  Chang Seok Lee ,  Jung Eui Park

发明人： Joong Ho CHOI ,  Seok Lee ,  Jae Hoon Kim ,  Jae Shin Lee ,  Yeun Joong Lee ,  Deuk Hee Park ,  Sang Hyun Cha ,  Chang Seok Lee ,  Jung Eui Park

IPC分类号： H05B37/02

CPC分类号： H05B33/0824

摘要： There are provided a light emitting diode (LED) driving device allowing for an increase in an LED driving rate by discharging a charge stored in a capacitor during a certain period of time and a method thereof. The LED driving device includes: a driving unit detecting a current, as a voltage, the current flowing across an LED unit having at least one LED, controlling the current flowing across the LED unit according to a comparison result between the detected voltage and a reference voltage having a pre-set voltage level, and having a capacitor stabilizing an operation of the LED unit when the LED unit is driven; and a discharging unit discharging a charge stored in the capacitor during a pre-set discharge time when the LED unit is initially driven.

摘要翻译： 提供了一种发光二极管（LED）驱动装置，其允许通过在一定时间段内放电存储在电容器中的电荷来提高LED驱动速率及其方法。 LED驱动装置包括：驱动单元，检测流过具有至少一个LED的LED单元的电流作为电压，根据检测到的电压和参考值之间的比较结果来控制流过LED单元的电流 具有预设电压电平的电压，并且当LED单元被驱动时具有使LED单元的操作稳定的电容器; 以及放电单元，当LED单元被初始驱动时，在预设的放电时间期间放电存储在电容器中的电荷。

公开(公告)号：US20120074859A1

公开(公告)日：2012-03-29

申请号：US13186110

申请日：2011-07-19

申请人： Seung Kon KONG ,  Jae Shin LEE ,  Bo Hyun HWANG ,  Jung Hyun KIM ,  Jung Eui PARK ,  Joon Youp SUNG

发明人： Seung Kon KONG ,  Jae Shin LEE ,  Bo Hyun HWANG ,  Jung Hyun KIM ,  Jung Eui PARK ,  Joon Youp SUNG

IPC分类号： H05B37/02

CPC分类号： H05B33/0827 ,  H05B33/0848

摘要： There is provided a driver for light emitting diodes capable of differently setting duties in which driving current flows depending on respective light emitting diode (LED) channels according to a voltage deviation between the LED channels in order to reduce heat generated due to the voltage deviation between the LED channels. The driver for LEDs includes: a detecting unit detecting a voltage drop generated in each of a plurality of LED channels receiving driving power having a preset voltage level; a converting unit converting detected analog values from the detecting unit into digital values; and a driving unit differently setting switching duties in which driving current flows in each of the plurality of LED channels according to the digital values from the converting unit to drive the plurality of LED channels.

摘要翻译： 提供了一种用于发光二极管的驱动器，其能够根据LED通道之间的电压偏差，根据各个发光二极管（LED）通道驱动电流而不同地设定工作，以便减少由于LED通道之间的电压偏差而产生的热量 LED通道。 用于LED的驱动器包括：检测单元，其检测在多个LED通道中的每一个中产生的电压降，其接收具有预设电压电平的驱动功率; 转换单元将来自检测单元的检测到的模拟值转换为数字值; 以及驱动单元，其根据来自转换单元的数字值，驱动电流在多个LED通道中的每一个流动，切换负荷不同，以驱动多个LED通道。

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。

公开(公告)号：US20130033189A1

公开(公告)日：2013-02-07

申请号：US13418188

申请日：2012-03-12

申请人： Jung Eui Park ,  Jae Shin Lee ,  Jung Sun Kwon ,  Bo Hyun Hwang ,  Seung Kon Kong

发明人： Jung Eui Park ,  Jae Shin Lee ,  Jung Sun Kwon ,  Bo Hyun Hwang ,  Seung Kon Kong

IPC分类号： H05B37/02

CPC分类号： H05B33/0845

摘要： The present invention relates to a dimming control device, an LED driving device, and a dimming control method. In accordance with an embodiment of the present invention, a dimming control device including: a PWM signal generating unit for generating a PWM signal from a reference signal and an input voltage; a signal compensating unit for compensating the PWM signal output from the PWM signal generating unit using an internal clock signal; and a synchronization unit for synchronizing the compensated signal with an external clock signal to output a synchronized PWM control signal for dimming control is proposed. Further, an LED driving device and a dimming control method are proposed.

摘要翻译： 本发明涉及调光控制装置，LED驱动装置和调光控制方法。 根据本发明的实施例，一种调光控制装置，包括：PWM信号产生单元，用于从参考信号和输入电压产生PWM信号; 信号补偿单元，用于使用内部时钟信号来补偿从PWM信号生成单元输出的PWM信号; 提出了一种同步单元，用于使补偿信号与外部时钟信号同步，以输出用于调光控制的同步PWM控制信号。 此外，提出了LED驱动装置和调光控制方法。

公开(公告)号：US20120319609A1

公开(公告)日：2012-12-20

申请号：US13288728

申请日：2011-11-03

申请人： Joong Ho CHOI ,  Seok Lee ,  Jae Hoon Kim ,  Jae Shin Lee ,  Yeun Joong Lee ,  Deuk Hee Park ,  Sang Hyun Cha ,  Chang Seok Lee ,  Jung Eui Park

发明人： Joong Ho CHOI ,  Seok Lee ,  Jae Hoon Kim ,  Jae Shin Lee ,  Yeun Joong Lee ,  Deuk Hee Park ,  Sang Hyun Cha ,  Chang Seok Lee ,  Jung Eui Park

IPC分类号： H05B37/02

CPC分类号： H05B33/0812 ,  H05B33/0848 ,  Y02B20/345

摘要： There is provided a light emitting diode (LED) driver having an offset voltage compensating function compensating for an offset voltage generated at the time of driving of an LED, the LED driver including: a driving unit detecting a current flowing in an LED unit having at least one LED, as a voltage and controlling the current flowing in the LED unit according to a comparison result between the detected voltage and a reference voltage having a preset voltage level; and an offset compensating unit integrating a voltage difference between the detected voltage and the reference voltage and adding or subtracting a compensating current according to an integration result to thereby compensate for an offset.

摘要翻译： 提供一种发光二极管（LED）驱动器，其具有补偿在驱动LED时产生的偏移电压的偏移电压补偿功能，所述LED驱动器包括：驱动单元，其检测在具有 至少一个LED作为电压，并且根据检测到的电压和具有预设电压电平的参考电压之间的比较结果来控制在LED单元中流动的电流; 以及偏移补偿单元，其将检测到的电压和参考电压之间的电压差积分，并根据积分结果来补偿或减去补偿电流，从而补偿偏移。

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。

公开(公告)号：US20060167280A1

公开(公告)日：2006-07-27

申请号：US10503769

申请日：2003-02-06

申请人： Jung Kim ,  Tae Kang ,  Eui Park ,  Dong Cho ,  Hyeung Baek

发明人： Jung Kim ,  Tae Kang ,  Eui Park ,  Dong Cho ,  Hyeung Baek

IPC分类号： C07D309/30

CPC分类号： C07D309/30

摘要： The present invention relates to a purification method of simvastatin crystal, more particularly to a method of effectively removing impurities contained in crude simvastatin obtained by a conventional synthetic method of simvastatin while minimizing loss of effective components to obtain high-quality simvastatin with good yield.

摘要翻译： 本发明涉及辛伐他汀晶体的纯化方法，更具体地说，涉及一种有效去除通过常规的辛伐他汀合成方法获得的粗辛辛伐他汀所含杂质的方法，同时使有效成分的损失最小化，以获得高质量的辛伐他汀。