Title:
DEPOSITION MASK FOR OLED PIXEL DEPOSITION
Document Type and Number:
WIPO Patent Application WO/2024/039091
Kind Code:
A1
Abstract:
A deposition mask according to an embodiment comprises a metal plate including a deposition region and a non-deposition region, wherein the deposition region includes at least one effective portion. The effective portion comprises a plurality of unit through-holes, and the unit through-holes each comprise: a small-area hole formed in a first surface of the metal plate; a large-area hole formed in a second surface of the metal plate; and a connection portion connecting the small-area hole and the large-area hole. The unit through-hole has a first width defined as a width in a first direction and a second width defined as a width in a second direction, the first width and the second width differ from each other. In addition, a rib is disposed between the unit through-holes adjacent to each other in the first direction, and an island portion is disposed between the unit through-holes adjacent to each other in the second direction. In addition, in the unit through-hole, the height of the large-area hole in the second direction is greater than the height of the large-area hole in the first direction, and the height of the small-area hole in the unit through-hole in the second direction is less than the height of the small-area hole in the unit through-hole in the first direction.
Inventors:
LEE SEUNG HEON (KR)
UM TAE IN (KR)
UM TAE IN (KR)
Application Number:
PCT/KR2023/010574
Publication Date:
February 22, 2024
Filing Date:
July 21, 2023
Export Citation:
Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
H10K71/00; C23C14/04; H10K71/16
Foreign References:
| KR20160129639A | 2016-11-09 | |||
| JP3225255U | 2020-02-20 | |||
| KR20200037173A | 2020-04-08 | |||
| JP6966580B2 | 2021-11-17 | |||
| KR20190023652A | 2019-03-08 |
Attorney, Agent or Firm:
HAW, Yong Noke (KR)
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