公开(公告)号：US20150228665A1

公开(公告)日：2015-08-13

申请号：US14509774

申请日：2014-10-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Bong- Yeon KIM ,  Seung-Bo SHIM ,  Dong-Eon LEE ,  Jun-hyuk WOO

IPC: H01L27/12 ,  G03F7/30 ,  G03F1/26 ,  H01L29/786 ,  H01L21/033

CPC classification number: H01L27/124 ,  G03F1/32 ,  H01L27/1248 ,  H01L27/1288 ,  H01L29/7869

Abstract: A display device includes a substrate, a gate line and a data line on the substrate, a thin film transistor on the substrate, being connected to the gate line and the data line, a pixel electrode connected to the thin film transistor, and an insulating layer on the substrate, wherein the insulating layer has a contact hole extending therethrough and the contact hole has a relatively steep sidewall including a sidewall portion with a sidewall taper angle of about 60° to about 90°.

Abstract translation: 显示装置包括基板，基板，栅极线和数据线，基板上的薄膜晶体管，连接到栅极线和数据线，连接到薄膜晶体管的像素电极和绝缘 层，其中所述绝缘层具有延伸穿过其中的接触孔，并且所述接触孔具有相对陡峭的侧壁，所述侧壁包括具有约60°至约90°的侧壁锥角的侧壁部分。