公开(公告)号：US20240318293A1

公开(公告)日：2024-09-26

申请号：US18402119

申请日：2024-01-02

Applicant: Samsung Display Co., Ltd.

Inventor： Seungju Hong ,  Jongdae Lee ,  Jongsung Park ,  Mina Woo ,  Wonyoung Jang

IPC: C23C14/04

CPC classification number: C23C14/042

Abstract: A mask assembly includes a mask frame including an opening area, mask sheets covering the opening area of the mask frame and arranged side by side in a first direction, and a support stick arranged between the mask frame and the mask sheets, extending in the first direction, and having ends fixed on the mask frame, wherein widths of ends of the support stick are greater than a width of a portion of the support stick that overlaps the opening area.

公开(公告)号：US20240018641A1

公开(公告)日：2024-01-18

申请号：US18314371

申请日：2023-05-09

Applicant: Samsung Display Co., Ltd.

Inventor： Seoyeon Kim ,  Mina Woo ,  Jongdae Lee ,  Hongkyun Ahn ,  Sangwoo Jo

IPC: C23C14/04

CPC classification number: C23C14/042

Abstract: A mask assembly includes a mask frame having an opening area, and a mask sheet disposed on the mask frame to overlap the opening area, the mask sheet including a first area, and a second area surrounding the first area. The first area includes a first opening pattern that is a half-etched pattern, the second area includes a second opening pattern that is a penetrating pattern, and in a plan view, the first opening pattern and the second opening pattern are different from each other.

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.