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1. 发明授权

KR102125245B1 발광 다이오드 조명 장치 및 그의 제어 회로 有权
公开(公告)号：KR102125245B1
公开(公告)日：2020-06-22
申请号：KR1020130075453
申请日：2013-06-28
申请人： 주식회사 실리콘웍스
发明人： 김용구 , 이원지 , 김경민 , 이종민 , 손영석
IPC分类号： H05B45/00

2. 发明授权

KR102098008B1 발광 다이오드 조명 장치의 제어 회로 有权
公开(公告)号：KR102098008B1
公开(公告)日：2020-04-07
申请号：KR1020120157307
申请日：2012-12-28
申请人： 주식회사 실리콘웍스
发明人： 김용구 , 이원지 , 김경민 , 이종민 , 손영석
IPC分类号： H05B45/00

3. 发明公开

KR1020150116496A 엘이디 구동 제어 방법 및 제어 시스템 审中-实审
标题翻译： LED驱动控制系统
公开(公告)号：KR1020150116496A
公开(公告)日：2015-10-16
申请号：KR1020140041064
申请日：2014-04-07
申请人： 주식회사 실리콘웍스
发明人： 김규호 , 손영석 , 정춘식 , 심재현 , 박진철
IPC分类号： H05B37/02
CPC分类号： H05B37/02
摘要： 본발명은엘이디(LED) 구동제어방법및 제어시스템에관한것으로, 특히 LED 온도특성을고려하여 LED의구동을제어하는방법및 그제어시스템에관한것으로, LED 스트링부에 LED 전류를인가하는단계와; LED 전류인가중상기 LED 스트링부의온도를감지하되, 그 LED 감지온도가휘도보정구간내의온도이면상기 LED 감지온도증가에따라감소하는휘도를보정하기위해상기 LED 전류를증가시키면서인가하는단계와; 상기 LED 감지온도가 LED보호구간내의온도로진입하면 LED 보호를위해상기 LED 전류를 LED 감지온도에따라감소시키면서인가하되, 그인가중인 LED 전류가설정해놓은전류하한치에도달하면 LED 꺼짐을방지하기위해인가중인 LED 전류를상기전류하한치로유지하여인가하는단계;를포함함을특징으로한다.
摘要翻译： LED驱动控制方法和控制系统技术领域本发明涉及LED驱动控制方法和控制系统，特别涉及LED控制方法及其控制系统，通过考虑LED温度的特性，本发明包括以下步骤：将LED电流 LED串单元; 同时在施加LED电流的同时检测LED串单元的温度，如果LED检测温度在亮度校正范围内，则通过增加LED电流来施加，以便根据LED检测温度的升高来校正下降的亮度 ; 如果LED检测温度进入LED保护范围内的温度，则通过根据LED检测温度降低LED电流进行施加，以保护LED，并且如果施加的LED电流达到预设电流的下限，通过将施加的LED保持在电流的下限来施加，以防止LED被关断。

4. 发明公开

KR1020150077938A 발광 다이오드 조명 장치의 제어 회로 및 제어 방법 审中-实审
标题翻译： LED照明设备的控制电路及其控制方法
公开(公告)号：KR1020150077938A
公开(公告)日：2015-07-08
申请号：KR1020130166903
申请日：2013-12-30
申请人： 주식회사 실리콘웍스
发明人： 김용구 , 이원지 , 김경민 , 이종민 , 손영석
IPC分类号： H05B37/02
CPC分类号： H05B37/0227
摘要： 본발명은플리커를개선하기위한발광다이오드조명장치의제어회로및 제어방법을개시하며, 발광다이오드조명장치의제어회로는조광기를이용하여위상을제어한정류전압을조명등의발광을위하여제공하고, 조광기에의하여불안정한정류전압에대응하여발광을스위칭함으로써플리커발생을제어할수 있다.
摘要翻译：公开了用于LED照明装置的控制电路及其控制方法，以改善闪烁。 LED照明装置的控制电路提供整流电压，其使用调光器控制相位以发光的灯，并且能够通过响应于不稳定的整流电压而切换发光来控制闪烁发生调光器。

5. 发明公开

KR1020140033578A 제어된 스타트 업이 가능한 로우 드랍아웃 회로 및 그 제어 방법 有权
标题翻译：低压差电路启动控制启动及其控制方法
公开(公告)号：KR1020140033578A
公开(公告)日：2014-03-19
申请号：KR1020120098426
申请日：2012-09-05
申请人： 주식회사 실리콘웍스
发明人： 구만원 , 우영진 , 전진용 , 한대근 , 손영석
IPC分类号： G05F1/565 , G05F1/10
CPC分类号： G05F1/56
摘要： A low dropout circuit enabling controlled start-up and a controlling method thereof are disclosed. The low dropout circuit according to an embodiment of the present invention includes a start up control unit that includes an amplifier receiving a feedback voltage determined by a predetermined reference voltage and output voltage and providing a first voltage corresponding thereto; a pass element connected to an input power source and an output node providing the output voltage and that inputs one of the first voltage provided from the amplifier based on the level of the output voltage and a second voltage generated by using the current source to the gate of the pass element. When the pass element is an n-type pass element, the start up control unit includes a current source connected to a predetermined third voltage; a selection unit providing any one of the first voltage and the second voltage to the gate of the pass element; and a selection control unit that senses the level of the output voltage, compares the level of the output voltage with a predetermined threshold voltage, and controls the selection unit so that the first voltage is provided to the gate when the level of the output voltage is equal to or higher than the threshold voltage, and the second voltage is provided to the gate when the level of the output voltage is lower than the threshold voltage. Thus, it is possible to easily control a slew rate at start up and thus limit an incoming current at start up. [Reference numerals] (120) START-UP CONTROL UNIT; (130) PASSIVE ELEMENT
摘要翻译：公开了一种能够实现控制启动的低压差电路及其控制方法。根据本发明的实施例的低压差电路包括启动控制单元，其包括接收由预定参考电压和输出电压确定的反馈电压并提供与其对应的第一电压的放大器; 连接到输入电源的传递元件和提供输出电压的输出节点，并且基于输出电压的电平和通过使用电流源产生的第二电压来输入从放大器提供的第一电压之一到门的通过元素。当通过元件是n型通过元件时，启动控制单元包括连接到预定的第三电压的电流源; 选择单元，向所述通过元件的栅极提供所述第一电压和所述第二电压中的任何一个; 以及选择控制单元，其感测输出电压的电平，将输出电压的电平与预定的阈值电压进行比较，并且当输出电压的电平为等于或高于阈值电压，并且当输出电压的电平低于阈值电压时，将第二电压提供给栅极。因此，可以容易地控制启动时的转换速率，从而限制启动时的输入电流。（附图标记）（120）启动控制单元; （130）被动元件

6. 发明授权

KR101369173B1 시스템 온 칩 구현이 가능하고 100% 듀티 사이클 모드가 가능한 스위칭 모드 컨버터 및 그 제어 방법 有权
标题翻译：切换模式转换器启用芯片系统的100％占空比模式及其控制方法
公开(公告)号：KR101369173B1
公开(公告)日：2014-03-06
申请号：KR1020120098402
申请日：2012-09-05
申请人： 주식회사 실리콘웍스
发明人： 구만원 , 우영진 , 전진용 , 한대근 , 손영석
IPC分类号： H02M3/07 , H02M3/155
摘要： Disclosed are a switching mode converter capable of performing a system-on-chip and facilitating a 100% duty cycle mode and a control method. The switching mode converter comprises a switching device which connected between input power and other side of a first semiconductor device connected to the ground; a bootstrap capacitor which is connected to the other side of the first semiconductor device; a common charge pump which receives one of a first reference voltage or a second reference voltage and offers output voltage corresponding to the received voltage to other side of the bootstrap capacitor; and a control unit which determines whether or not a duty cycle of the switching device is 100% and inputs one of the first reference voltage or the second reference voltage to the common charge pump according to determination for the duty cycle. The control unit is provided to control the voltage level of the second reference voltage by considering the output voltage of the switching mode converter or a voltage level of input power and to input the second reference voltage to the common charge pump, thereby performing the system-on-chip (SoC) and offering a stable 100% duty cycle mode. [Reference numerals] (210) Second reference voltage generation unit; (230) Common charge pump; (240) Control unit
摘要翻译：公开了一种能够执行片上系统并促进100％占空比模式和控制方法的开关模式转换器。开关模式转换器包括连接在连接到地的第一半导体器件的输入功率与另一侧之间的开关器件; 连接到所述第一半导体器件的另一侧的自举电容器; 公共电荷泵，其接收第一参考电压或第二参考电压中的一个，并且将与所接收的电压相对应的输出电压提供给所述自举电容器的另一侧; 以及控制单元，其根据占空比的确定来确定开关装置的占空比是否为100％，并将第一参考电压或第二参考电压中的一个输入到公共电荷泵。控制单元被设置为通过考虑开关模式转换器的输出电压或输入功率的电压电平来控制第二参考电压的电压电平，并将第二参考电压输入到公共电荷泵，由此执行系统 - 片上（SoC），并提供稳定的100％占空比模式。（附图标记）（210）第二参考电压产生单元; （230）普通电荷泵; （240）控制单元

7. 发明授权

KR101355412B1 과전압 보호 기능을 구비한 스위칭 모드 컨버터 및 그 제어 방법 有权
标题翻译：具有过电压保护功能的开关模式转换器及其控制方法
公开(公告)号：KR101355412B1
公开(公告)日：2014-01-29
申请号：KR1020120098406
申请日：2012-09-05
申请人： 주식회사 실리콘웍스
发明人： 구만원 , 우영진 , 전진용 , 한대근 , 손영석
IPC分类号： H02M1/32
摘要： Disclosed are a switching mode converter having an overvoltage protection function and a method for controlling the same. A switching mode converter according to one embodiment of the present invention comprises: a switching device connected to one end of a first semiconductor device with the other end connected to the ground and to an input power source; a bootstrap capacitor connected to the one end of the first semiconductor device and to a charge pump; a discharge unit connected to a gate of the switching device and to the ground; and a control unit for controlling the discharge unit to discharge a gate voltage of the switching device if a voltage equal to or greater than a predetermined threshold voltage is applied to the gate of the switching device, wherein the control unit detects a charging voltage for the bootstrap capacitor and judges that the gate voltage of the switching device is equal to or greater than the threshold voltage if the detected charging voltage is equal to or greater than a predetermined first voltage, whereby it can be prevented that the switching device is broken when overvoltage is applied to the gate of the switching device, thereby protecting a circuit connected to terminals next to the switching device. [Reference numerals] (210) Charge pump; (260) Control unit; (270) Discharge unit
摘要翻译：公开了具有过电压保护功能的开关模式转换器及其控制方法。根据本发明的一个实施例的开关模式转换器包括：开关装置，其连接到第一半导体器件的一端，另一端连接到地和输入电源; 连接到第一半导体器件的一端和电荷泵的自举电容器; 连接到开关装置的栅极和地的放电单元; 以及控制单元，用于如果将等于或大于预定阈值电压的电压施加到所述开关装置的栅极，则控制所述放电单元对所述开关装置的栅极电压进行放电，其中所述控制单元检测所述开关装置的充电电压如果检测到的充电电压等于或大于预定的第一电压，则判断开关装置的栅极电压等于或大于阈值电压，从而可以防止当过电压时开关装置断开施加到开关装置的栅极，从而保护与开关装置旁边的端子连接的电路。（附图标记）（210）电荷泵; （260）控制单元; （270）放电单元

8. 发明授权

KR101121956B1 전기적부하의 구동회로 및 그 구동방법 有权
标题翻译：电力负载驱动电路及其驱动方法
公开(公告)号：KR101121956B1
公开(公告)日：2012-03-09
申请号：KR1020100040109
申请日：2010-04-29
申请人： 주식회사 실리콘웍스
发明人： 손영석 , 남태규 , 장원석 , 오형석
IPC分类号： H05B37/02
CPC分类号： H05B33/0815 , H05B33/0827 , Y02B20/347
摘要： 본발명은전류원배열을통해전기적부하에전력을공급하는전기적부하의구동회로에관한것으로, 특히병렬적으로접속된전기적부하에전원전압이공급되는경우각각의전류원의양단에서강하된전압중 최저전압을샘플및 홀드하여피드백하여줌으로써전원전압을조정하여공급할수 있는전기적부하의구동회로및 그구동방법에관한것이다. 본발명이해결하고자하는기술적과제는, 펄스폭변조신호에동기를맞춘샘플홀드회로를구비하여로우듀티에서안정적인동작이가능하며, 푸쉬-풀기능을구비한비교기를이용하여전류의보강및 감쇄를통해구동전압의조정이가능한전기적부하의구동회로를제공하는데있다.
摘要翻译：本发明涉及通过电流源装置向电力负载供给电力的电力负载的驱动电路，特别是在向并联连接的电力负载供给电源电压时，电子负载的驱动电路及其驱动方法技术领域本发明涉及能够通过反馈样品并且保持该电源电压来调节和供应电源电压的电子负载的驱动电路及其驱动方法。技术问题本发明所要解决的，可以在设置有采样和保持电路低占空比保持稳定运行，对准与所述脉冲宽度调制信号的同步，并推加固，并通过使用具有全功能的比较器的电流的衰减并且提供一种能够通过驱动电路调节驱动电压的电负载的驱动电路。

9. 发明公开

KR1020100094087A 전류소모가 적은 액정디스플레이 구동회로 有权
标题翻译：液晶显示驱动电路，低消耗电流
公开(公告)号：KR1020100094087A
公开(公告)日：2010-08-26
申请号：KR1020090013336
申请日：2009-02-18
申请人： 주식회사 실리콘웍스
发明人： 조현호 , 정용익 , 손영석 , 나준호 , 오형석 , 김대성 , 한대근
IPC分类号： G09G3/36 , H03K19/0175 , G09G3/20 , G02F1/133
CPC分类号： G09G3/3688 , G09G3/3614 , G09G2330/021
摘要： PURPOSE: A liquid crystal display driving circuit with low current consumption is provided to reduce current consumption by using a charge which is disposed in charging a first buffer in charging a second buffer. CONSTITUTION: A first buffer(210) comprises a first voltage(VDD) terminal, a second voltage(VSS) terminal, and a center voltage(Vcom) terminal. The first buffer is driven within the first voltage or an intermediate voltage. A second buffer(220) is driven within a second voltage or intermediate voltage. The intermediate voltage terminal of the first buffer is connected to the intermediate voltage of the second buffer. The first voltage is maximum and the second voltage is minimum.
摘要翻译：目的：提供一种具有低电流消耗的液晶显示驱动电路，通过使用在对第一缓冲器充电的充电中设置的电荷来减少电流消耗。构成：第一缓冲器（210）包括第一电压（VDD）端子，第二电压（VSS）端子和中心电压（Vcom）端子。第一缓冲器在第一电压或中间电压内驱动。第二缓冲器（220）在第二电压或中间电压内被驱动。第一缓冲器的中间电压端子连接到第二缓冲器的中间电压。第一个电压是最大的，第二个电压是最小的。

10. 发明公开

KR1020100030688A 디스플레이 구동회로 有权
标题翻译：显示驱动电路
公开(公告)号：KR1020100030688A
公开(公告)日：2010-03-19
申请号：KR1020080089516
申请日：2008-09-11
申请人： 주식회사 실리콘웍스
发明人： 손영석 , 송현민 , 조현자 , 안용성 , 오형석 , 한대근
IPC分类号： G09G3/36 , G09G3/20 , G02F1/133
CPC分类号： G09G3/3614 , G09G3/3688 , G09G2310/0248 , G09G2310/0297 , G09G2330/021
摘要： PURPOSE: A display driving circuit using a charge sharing is provided to minimize power consumption by controlling a charge sharing and the voltage level of output terminals. CONSTITUTION: A buffer part(710) buffers a plurality of pixel driving signals. A N dot switching circuit(720) responds to a first path selection signal and a second path selection signal according to a dot inversion system. The N dot switching circuit selects the path of the plurality of pixel driving signals outputted from the buffer part. The N dot switching circuit switches to a plurality of output terminals. A charge sharing switching circuit(730) distributes an electric charge between a plurality of output terminals in response to a charge sharing control signal. A common voltage level control switching circuit(740) controls a charge sharing and voltage level between a plurality of output terminals in response to a common voltage level control signal.
摘要翻译：目的：提供使用电荷共享的显示驱动电路，通过控制电荷共享和输出端子的电压电平来最小化功耗。构成：缓冲器部分（710）缓冲多个像素驱动信号。 N点切换电路（720）根据点倒置系统对第一路径选择信号和第二路径选择信号进行响应。 N点切换电路选择从缓冲部输出的多个像素驱动信号的路径。 N点切换电路切换到多个输出端子。电荷共享切换电路（730）响应于电荷共享控制信号在多个输出端子之间分配电荷。公共电压电平控制开关电路（740）响应于公共电压电平控制信号来控制多个输出端子之间的电荷共享和电压电平。

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