公开(公告)号：US20150326115A1

公开(公告)日：2015-11-12

申请号：US14532135

申请日：2014-11-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD. ,  BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.

Inventor： Huijuan CHEN ,  Hyungkyu KIM ,  Wei SUN

IPC: H02M3/156 ,  G09G3/36

CPC classification number: H02M3/156 ,  G09G3/36 ,  G09G3/3648 ,  G09G3/3696 ,  G09G5/18 ,  G09G2330/026 ,  G09G2330/045 ,  G09G2370/14 ,  H02M2001/0003 ,  H02M2001/0009 ,  H02M2001/0054 ,  H02M2001/327 ,  Y02B70/1491

Abstract: A power supply circuit and a display device are provided. The power supply circuit includes: a load, a DC power supply; a DC booster circuit; a load feedback circuit configured to generate a converted voltage in accordance with the current passing through the load, integrate the converted voltage to generate an integrated voltage and generate a first triggering signal in accordance with the integrated voltage; and a control circuit configured to generate a second triggering signal in according with the boosted voltage, a DC power supply voltage and a reference voltage, generate a switching signal for controlling the operation of the DC booster circuit in accordance with the first triggering signal and the second triggering signal, and output the switching signal to the DC booster circuit.

Abstract translation: 提供电源电路和显示装置。 电源电路包括：负载，直流电源; 直流升压电路; 负载反馈电路，被配置为根据通过负载的电流产生转换的电压，积分转换的电压以产生积分电压，并根据积分电压产生第一触发信号; 以及控制电路，被配置为根据升压电压，直流电源电压和参考电压产生第二触发信号，根据第一触发信号和第二触发信号产生用于控制直流升压电路的操作的开关信号， 第二触发信号，并将开关信号输出到DC升压电路。