Title:
DEPOSITION MASK FOR OLED PIXEL DEPOSITION
Document Type and Number:
WIPO Patent Application WO/2024/049055
Kind Code:
A1
Abstract:
A deposition mask according to an embodiment comprises a metal plate including a deposition region and non-deposition regions. The deposition region includes at least one effective portion, and the at least one effective portion includes a plurality of unit through-holes and a plurality of protrusion portions. The unit through-holes each include: a small surface hole formed in a first surface of the metal plate; a large surface hole formed in a second surface of the metal plate; and a communication part connecting the small surface hole and the large surface hole. The protrusion portions are arranged between the small surface holes adjacent to each other on the first surface.
Inventors:
KWON HAK NOH (KR)
Application Number:
PCT/KR2023/012056
Publication Date:
March 07, 2024
Filing Date:
August 14, 2023
Export Citation:
Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
H10K71/00; C23C14/04; H10K71/16
Foreign References:
| JP2022009663A | 2022-01-14 | |||
| KR20030074227A | 2003-09-19 | |||
| CN105655382A | 2016-06-08 | |||
| KR20100003243A | 2010-01-07 | |||
| JP2018513918A | 2018-05-31 | |||
| KR102427524B1 | 2022-08-01 |
Attorney, Agent or Firm:
HAW, Yong Noke (KR)
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