Mask frame assembly, method of manufacturing the same, and method of manufacturing organic light-emitting display apparatus
US9790586B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 13, 2015 |
| Grant date | Oct 17, 2017 |
| Priority date | — |
| Expiry date | Aug 10, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K71/166
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A mask frame assembly includes a frame, and a mask tensioned on the frame in a first direction, the mask having a deposition pattern portion having a plurality of pattern holes therethrough, a deposition material being deposited on a substrate through the pattern holes, and a dummy portion extending from the deposition pattern portion in the first direction, the dummy portion having an increased thickness in a second direction as a distance from the deposition pattern portion in the first direction increases, the second direction being oriented along a normal to the mask.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.