Deposition mask, method of manufacturing the same, and method of manufacturing display panel
US11950489B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 20, 2021 |
| Grant date | Apr 2, 2024 |
| Priority date | — |
| Expiry date | Apr 9, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/12
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A deposition mask for manufacturing a display panel includes a metallic base having a thickness of about 50 micrometers to about 200 micrometers and a plurality of openings defined therein, wherein at least some of the openings include a first opening having a first width and a second opening having a second width smaller than the first width respectively defined along a thickness direction of the metallic base, and wherein the metallic base includes a first part in which the first opening is defined, and a second part in which the second opening is defined, the second part having a width that increases in a direction downward from a top surface of the metallic base along the thickness direction of the metallic base.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.