公开(公告)号：US11182037B2

公开(公告)日：2021-11-23

申请号：US16821800

申请日：2020-03-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Eunbyul Kim ,  Myonghoon Roh ,  Boyoul Shim ,  Changwoo Won ,  Seungjin Lim

IPC: G06F3/044 ,  H01L23/00 ,  H01L25/18 ,  H01L27/32 ,  H01L51/52

Abstract: A display device includes a substrate including a display area, a peripheral area outside the display area, and a pad area within the peripheral area; a testing circuit unit disposed within the pad area; a cover layer covering the testing circuit unit; an output pad disposed within the pad area and arranged between the testing circuit unit and the display area; an input pad disposed within the pad area, disposed at an opposite side with respect to the plurality of output pads; and a protective layer covering the output pad and the input pad, and, on a plane, an end of the protective layer is apart from the cover layer.