公开(公告)号：US20220302226A1

公开(公告)日：2022-09-22

申请号：US17545126

申请日：2021-12-08

申请人： SAMSUNG DISPLAY CO., LTD. ,  Pusan National Univeristy Industry-University Cooperation Foundation

发明人： Hosik Shin ,  Jinwoo Oh ,  Eunjung Choi ,  Jaemin Shin ,  Jiwon Lee ,  Jangyeol Yoon

IPC分类号： H01L27/32

摘要： A display device includes: a display panel including a sensor area and a display area, where the display panel includes an upper surface and a lower surface opposite to the upper surface; and a discoloration sensor layer overlapping the sensor area, where discoloration sensor layer is disposed on one of the upper surface of the display panel and the lower surface of the display panel, and discolored when exposed to a target material. A first through portion is defined through the display panel from the upper surface to the lower surface of the display panel, and the discoloration sensor layer overlaps the first through portion.