Mask assembly and method for manufacturing the same and display device
US10648070B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | May 17, 2017 |
| Grant date | May 12, 2020 |
| Priority date | — |
| Expiry date | Jul 3, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/88
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The present disclosure provides a mask assembly and a method for manufacturing the same, and a display device. The mask assembly includes a frame, a first mask and a second mask, and the first mask and the second mask are superposed on the frame; the first mask includes an opening region, the second mask includes an evaporation region in which a first evaporation hole is provided for allowing an evaporation material to pass therethrough and a buffer region surrounding the evaporation region and configured to block off the evaporation material, and an orthographic projection of the boundary of the opening region onto the second mask is located within the buffer region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.