Deposition mask, method of manufacturing display device using the deposition mask, and display device
US11621310B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 16, 2020 |
| Grant date | Apr 4, 2023 |
| Priority date | — |
| Expiry date | Jan 26, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/351
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Provided are a deposition mask, a method of manufacturing a display device using the deposition mask, and a display device. The deposition mask includes a main frame defining a first opening; ribs extending away from a side of the main frame, the ribs being apart from each other and defining second openings; and bridges connecting the ribs to one another across the second openings, wherein the bridges and the ribs form the same top surface, and a thickness of each of the bridges is less than a thickness of each of the ribs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.