公开(公告)号：US20180144689A1

公开(公告)日：2018-05-24

申请号：US15814174

申请日：2017-11-15

Applicant: LG Display Co., Ltd.

Inventor： Seokhyun HONG ,  Jaeyoon BAE ,  OSung DO ,  Taeyoung LEE

IPC: G09G3/3291 ,  G09G3/3233 ,  G09G3/3258

CPC classification number: G09G3/3291 ,  G09G3/006 ,  G09G3/3233 ,  G09G3/3258 ,  G09G3/3275 ,  G09G3/3659 ,  G09G2300/043 ,  G09G2310/0294 ,  G09G2320/0233 ,  G09G2320/0295 ,  G09G2320/045 ,  G09G2320/0693

Abstract: The display device according to the present disclosure may comprise a display panel equipped with a plurality of pixels connected to data lines and sensing lines; a source drive IC configured to provide a data voltage to a pixel through the sensing line and equipped with a sensing block obtaining sensing data related to driving characteristics of the pixel using a signal input through the sensing line; a switch configured to control a connection via the sensing line between the pixel and the sensing block; and a power source configured to provide a test voltage or a test current to the sensing block, and the source drive IC may obtain calibration data for the sensing block by using the test voltage or the test current in a state that the switch disconnects the pixel and the sensing block.