公开(公告)号：US20230422566A1

公开(公告)日：2023-12-28

申请号：US18462522

申请日：2023-09-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： DONG MIN LEE ,  SANG WOO SOHN ,  DO KEUN SONG ,  SANG WON SHIN ,  HYUN EOK SHIN ,  SU KYOUNG YANG ,  KYEONG SU KO ,  SANG GAB KIM ,  JOON GEOL LEE

IPC: H10K59/131 ,  H01L27/12

CPC classification number: H10K59/1315 ,  H01L21/02068 ,  H01L27/1259

Abstract: Provided is a display device. The display device includes: a substrate; a gate line disposed on the substrate; a transistor including a part of the gate line; and a light-emitting element connected to the transistor, in which the gate line includes a first layer including aluminum or an aluminum alloy, a second layer including titanium nitride, and a third layer including metallic titanium nitride. An N/Ti molar ratio of the metallic titanium nitride may be in a range from about 0.2 to about 0.75.