Hybrid mask stick and mask frame assembly employing the same
US12297526B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 21, 2024 |
| Grant date | May 13, 2025 |
| Priority date | — |
| Expiry date | Feb 21, 2044 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K71/166
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A hybrid mask stick and a mask frame assembly employing the same are provided. The mask frame assembly includes: a mask frame; and a mask stick assembly including a first mask stick that extends in a first direction, a second mask stick that extends in a second direction intersecting the first direction, and a plurality of third mask sticks that is coupled to ends of the first mask stick and the second mask stick and defines a plurality of deposition areas, wherein a thickness of the first mask stick is different from a thickness of the second mask stick, and a partial etching portion is arranged in a portion where the first mask stick and the second mask stick are coupled to each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.