公开(公告)号：US11387311B2

公开(公告)日：2022-07-12

申请号：US16985681

申请日：2020-08-05

Applicant: Samsung Display Co., Ltd.

Inventor： Hwayoung Song ,  Jihyun Ka ,  Jongseok Woo ,  Wonse Lee

IPC: H01L29/08 ,  H01L27/32

Abstract: A display device having an improved reliability includes a substrate including a display area in which a display element is arranged, a first conductive layer extending in a first direction on a plane, located in the display area, and including a protrusion protruding in a second direction crossing the first direction, a first insulating layer on the first conductive layer, a second conductive layer extending in the first direction on a plane, located on the first insulating layer, and defining a groove overlapping the protrusion of the first conductive layer, a second insulating layer on the second conductive layer, and a third conductive layer extending in the second direction on a plane, located on the second insulating layer, and overlapping the protrusion of the first conductive layer.