Fine metal mask having protective portions having protective portion with ratio of thickness reduction equal to single pixel aperture ratio and method for manufacturing the same, mask frame assembly
US11578400B2 · kind B2 · utility
2Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 28, 2018 |
| Grant date | Feb 14, 2023 |
| Priority date | — |
| Expiry date | Feb 22, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/35
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The fine metal mask provided in the present disclosure includes at least one mask pattern portion, and at least one protective portion that is disposed on and connected with at least one side edge of the at least one mask pattern portion, wherein a thickness of the at least one protective portion is less than a thickness of the at least one mask pattern portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.