Mask assembly and method for manufacturing the same
US11538994B2 · kind B2 · utility
0Cited by
4References
3Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 10, 2019 |
| Grant date | Dec 27, 2022 |
| Priority date | — |
| Expiry date | Oct 10, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K71/00
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Provided is a mask assembly. The mask assembly includes a mask frame and a mask. The mask is coupled to the mask frame to distinguish first to third deposition areas from each other. Each of the first and third deposition areas has a first width greater than a reference width in a first direction and a second width less than the first width in a second direction. The second deposition area has a third width less than the first width in the first direction and a fourth width less than the reference width in the second direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.