公开(公告)号：US20210159281A1

公开(公告)日：2021-05-27

申请号：US17074427

申请日：2020-10-19

Applicant: Samsung Display Co., Ltd.

Inventor： Seil KIM ,  Daewon BAEK ,  Sangmin YI ,  Jungwoo KO ,  Hongkyun AHN ,  Jongdae LEE

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

Abstract: Provided is a display device, a mask assembly, a method of manufacturing the mask assembly, an apparatus for manufacturing the display device, and a method of manufacturing the display device. The present disclosure includes a mask sheet having pattern holes with at least one of different shapes, different sizes, and different distances between adjacent pattern holes, and a display device is manufactured by using the mask sheet.

公开(公告)号：US20220367841A1

公开(公告)日：2022-11-17

申请号：US17702280

申请日：2022-03-23

Applicant: Samsung Display Co., Ltd.

Inventor： Sanghoon KIM ,  Jongsung PARK ,  Hongkyun AHN ,  Sangshin LEE ,  Minji JANG

IPC: H01L51/56 ,  C23C14/04 ,  C23C16/04

Abstract: A mask assembly includes a first mask area including first opening areas, and a second mask area including second opening areas having centers located at vertices of virtual squares in a row direction and a column direction, half-etching areas having centers located at centers of the virtual squares, and a non-etching area surrounding the second opening areas and the half-etching areas. Each of the second opening areas includes a base portion and at least one protrusion portion protruding from the base portion.