公开(公告)号：US20150048881A1

公开(公告)日：2015-02-19

申请号：US14458167

申请日：2014-08-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Oh-Jo Kwon ,  Boo-Dong Kwak ,  Choong-Sun Shin ,  Hee-Sun Ahn

IPC: H03H11/12 ,  H03H11/04

CPC classification number: H03H19/004 ,  G09G3/3233 ,  G09G3/3258 ,  G09G3/3291

Abstract: A noise-removing circuit includes a first capacitor to charge a first voltage supplied to a first node during a first period in which a first switching control signal is supplied, a second capacitor to charge a second voltage supplied to a third node during the first period, a third capacitor to charge the first voltage during a second period in which a second switching control signal is supplied, and to charge the second voltage charged in the second capacitor as a third voltage during a third period in which a third switching control signal is supplied, a fourth capacitor to charge the second voltage during the second period, and to charge the first voltage charged in the first capacitor as a fourth voltage during the third period, and a differential amplifier to output a voltage difference between the third voltage and the fourth voltage.

Abstract translation: 噪声消除电路包括：第一电容器，用于在提供第一开关控制信号的第一周期期间对提供给第一节点的第一电压充电;第二电容器，用于在第一周期期间对提供给第三节点的第二电压充电 在供给第二开关控制信号的第二期间对第一电压进行充电的第三电容器，在第三开关控制信号为第三时间段期间，将充电在第二电容器中的第二电压充电为第三电压作为第三电压 提供第四电容器，用于在第二周期期间对第二电压进行充电，并且在第三周期期间将充电在第一电容器中的第一电压充电为第四电压;以及差分放大器，用于输出第三电压和第三电压之间的电压差 第四电压。