公开(公告)号：US20190305222A1

公开(公告)日：2019-10-03

申请号：US16366687

申请日：2019-03-27

Applicant: Samsung Display Co., Ltd.

Inventor： Sungwoo JUNG ,  Soonjung WANG

IPC: H01L51/00 ,  H01L27/32 ,  H01L51/52 ,  H01L51/56 ,  C23C14/04

Abstract: A mask assembly and an organic light emitting display device manufactured using the mask assembly are capable of realizing an organic light emitting display device having a hole in a display area, the mask assembly including a frame defining a first opening area, a first mask on the frame and defining a plurality of second opening areas that overlap the first opening area, and a second mask fixed to the frame across the plurality of second opening areas, and including a body portion overlapping the first mask, a blocking portion at each respective one of the second opening areas, and a pattern portion between the body portion and the blocking portion, and defining a plurality of holes.