Hybrid-type mask stick and mask frame assembly adopting the same
US11970763B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2019 |
| Grant date | Apr 30, 2024 |
| Priority date | — |
| Expiry date | Jan 17, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K71/166
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Provided are a hybrid-type mask stick and a mask frame assembly adopting the same. The mask frame assembly includes a mask frame; and a mask stick including a first mask stick extending in a first direction, a second mask stick extending in a second direction crossing the first direction, and a plurality of third mask sticks connected to the first mask stick and the second mask stick, the at least one first mask stick, the at least one second mask stick and the plurality of third mask sticks defining a plurality of deposition areas, wherein the first mask stick includes a first stick and a second stick arranged on the first stick, and at least one of the first stick and the second stick includes a partially-recessed portion in which the first mask stick is connected to the second mask stick.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.