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公开(公告)号:KR1020100068084A
公开(公告)日:2010-06-22
申请号:KR1020080126780
申请日:2008-12-12
Applicant: 서울대학교산학협력단
Abstract: PURPOSE: A display device and a driving method are provided to eliminate the diode secluding the current path by the body diode of the transistor for the rising time and falling period so that the unit cost of the driver circuit can be reduced. CONSTITUTION: A transformer(Tx) comprises the primary coil connected to the sign electrode and the secondary coil connected to the first voltage terminal supplying the first voltage. A first transistor(X1) is connected between the primary coil and the second voltage terminal supplying the second voltage. A second transistor(X2) is connected between the secondary coil and the second voltage terminal.
Abstract translation: 目的:提供一种显示装置和驱动方法,以消除二极管在晶体管的体二极管处于上升时间和下降周期期间隔离电流路径,从而可以降低驱动电路的单位成本。 构成:变压器(Tx)包括连接到符号电极的初级线圈和连接到提供第一电压的第一电压端子的次级线圈。 第一晶体管(X1)连接在初级线圈和提供第二电压的第二电压端子之间。 第二晶体管(X2)连接在次级线圈和第二电压端子之间。
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公开(公告)号:KR101500623B1
公开(公告)日:2015-03-11
申请号:KR1020080126780
申请日:2008-12-12
Applicant: 서울대학교산학협력단
Abstract: 표시 장치에서, 변압기의 1차 코일의 제1 단자가 전극에 연결되어 있으며, 변압기의 2차 코일의 제1 단자가 제1 전압을 공급하는 제1 전압 단자에 연결되어 있다. 제1 트랜지스터가 1차 코일의 제2 단자와 제2 전압을 공급하는 제2 전압 단자 사이에 연결되어 있으며, 제2 트랜지스터가 2차 코일의 제2 단자와 제2 전압 단자 사이에 연결되어 있다.
PDP, 변압기, 공진, 인덕터-
公开(公告)号:KR1020140004968A
公开(公告)日:2014-01-14
申请号:KR1020120072500
申请日:2012-07-03
Applicant: 엘에스산전 주식회사 , 서울대학교산학협력단
CPC classification number: H02M1/15 , H01L2924/13091 , H02H7/1213 , H02M3/325 , Y02B70/1491
Abstract: The present invention relates to an apparatus for driving an interleaved full bridge converter, which comprises: a driving switch unit including six driving switches of which one pair is respectively connected in serial to a first leg, a second leg, and a third leg, and generating alternating voltage by switching direct current; a transformer unit, which is divided into two modules, performing voltage transformation with the alternating voltage generated from the driving switch unit according to a winding ratio of a primary winding to a secondary winding; a rectifier and filter unit, which is divided into two modules, outputting an output voltage of the transform unit after rectifying and filtering the output voltage; and a driving control unit outputting switching control signals to the driving switch unit, wherein the driving control unit outputs the switching control signals, based on a waveform of a switching control signal for the second leg, for a waveform of a switching control signal for the first leg to overlap the waveform of the switching control signal for the second leg as much as a first phase angle from the start of the waveform of the switching control signal for the second leg, and for a waveform of a switching control signal for the third leg to overlap the waveform of the switching control signal for the second leg as much as a second phase angle from the end of the waveform of the switching control signal for the second leg.
Abstract translation: 本发明涉及一种用于驱动交错式全桥转换器的装置,该装置包括:驱动开关单元,包括六个驱动开关,其中一对分别串联连接到第一支腿,第二支脚和第三支脚,以及 通过切换直流电产生交流电压; 变压器单元,其被分成两个模块,根据初级绕组与次级绕组的绕组比,根据从驱动开关单元产生的交流电压进行电压变换; 整流器和滤波器单元,其被分成两个模块,在整流和滤波输出电压之后输出变换单元的输出电压; 以及向所述驱动开关单元输出切换控制信号的驱动控制单元,其中,所述驱动控制单元基于所述第二支路的切换控制信号的波形,输出所述切换控制信号的开关控制信号的波形 第一支路,与第二支路的开关控制信号的波形开始时的第二支路的开关控制信号的波形重叠多达第一相位角,以及第三支路的开关控制信号的波形 从第二支路的开关控制信号的波形结束起与第二支路的开关控制信号的波形重叠多达第二相位角。
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公开(公告)号:KR1020140047981A
公开(公告)日:2014-04-23
申请号:KR1020120114419
申请日:2012-10-15
Applicant: 엘에스산전 주식회사 , 서울대학교산학협력단
CPC classification number: H02M3/33569 , H02M3/337 , B60H1/004 , H02H7/1213 , H02P27/02
Abstract: A DC-DC converter according to an embodiment of the present invention includes a power input unit to which power is applied; a first module including a first transformer and a second transformer and outputting first output power transformed by the operation of a first switch and a second switch connected to the first transformer and the second transformer using the applied power; a second module including a third transformer and a fourth transformer and outputting second output power transformed by the operation of a third switch and a fourth switch connected to the third transformer and the fourth transformer using the applied power; and an output unit outputting total power of the first output power and the second output power; and a control unit controlling the interleaving operation of the first module and the second module.
Abstract translation: 根据本发明实施例的DC-DC转换器包括:施加电力的电力输入单元; 第一模块,包括第一变压器和第二变压器,并且输出通过第一开关的操作变换的第一输出功率和使用所施加的功率连接到第一变压器和第二变压器的第二开关; 第二模块,包括第三变压器和第四变压器,并且输出通过第三开关的操作变换的第二输出功率和使用所施加的功率连接到第三变压器和第四变压器的第四开关; 以及输出单元,输出第一输出功率和第二输出功率的总功率; 以及控制单元,控制第一模块和第二模块的交织操作。
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