公开(公告)号：US20230172039A1

公开(公告)日：2023-06-01

申请号：US17987640

申请日：2022-11-15

Applicant: Samsung Display Co., Ltd.

Inventor： Mina Woo ,  Sujung Kang ,  Sanghoon Kim ,  Seoyeon Kim ,  Jongsung Park ,  Hongkyun Ahn ,  Jiyun Chun ,  Sangwoo Jo

IPC: H01L51/00 ,  H01L51/56 ,  C23C14/04 ,  C23C14/24

CPC classification number: H01L51/0011 ,  H01L51/001 ,  H01L51/56 ,  C23C14/042 ,  C23C14/24

Abstract: A mask frame assembly includes: a mask including a plurality of opening portions; and a frame coupled to an edge of the mask, wherein the mask includes: first shielding portions extending in a first direction and parallel to each other; second shielding portions parallel to each other and extending in a second direction crossing the first direction, such that the plurality of opening portions are defined together with the first shielding portions; and a first protrusion on the first shielding portion, wherein, in the second direction, a distance from an opening portion on one side of the first shielding portion is different from a distance from an opening portion on another side of the first shielding portion.

公开(公告)号：US20230147283A1

公开(公告)日：2023-05-11

申请号：US17982430

申请日：2022-11-07

Applicant: Samsung Display Co., Ltd.

Inventor： Seoyeon Kim ,  Hongkyun Ahn ,  Sujung Kang ,  Jiyun Chun ,  Sangwoo Jo

IPC: H01L51/56 ,  H01L51/00

CPC classification number: H01L51/56 ,  H01L51/0011 ,  H01L51/0017

Abstract: An apparatus for manufacturing a display device includes a mask arranged to face a substrate and a deposition source arranged to face the mask, wherein the mask includes a frame that includes a plurality of first frames that extend in a first direction and a plurality of second frames that extend in a second direction that intersects the first direction, an opening defined by the plurality of first frames and the plurality of second frames, and a plurality of laser marks located on at least one of the plurality of first frames and the plurality of second frames and generated by irradiating a laser beam.