公开(公告)号：US20230092537A1

公开(公告)日：2023-03-23

申请号：US17831330

申请日：2022-06-02

Applicant: Samsung Display Co., Ltd.

Inventor： Jun Young KO ,  Tae Joon KIM ,  Eun Sol SEO ,  Yu Jin SIN ,  Jun Seong LEE ,  Jae Woo CHOI

IPC: G09G3/00 ,  G06F3/041 ,  G09G3/3233

Abstract: A method for inspecting a display device (which includes a pixel electrode and a touch sensor overlapping the pixel electrode) includes: adjusting an impedance value of a variable impedance circuit of an inspection apparatus according to a model of the display device; driving a power source generator of the inspection apparatus; supplying a pixel voltage to the pixel electrode through an output terminal connected to the variable impedance circuit; driving the touch sensor; and detecting a defect related to the pixel electrode based on sensing signals output from the touch sensor.