Mask assembly with support bar configured to support back plate, installation thereof and evaporation apparatus
US10787730B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | May 17, 2017 |
| Grant date | Sep 29, 2020 |
| Priority date | — |
| Expiry date | May 17, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K71/166
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The embodiments of the present disclosure provide a mask assembly, an installation method thereof and an evaporation apparatus. The mask assembly includes: a support frame; a mask fixed on the support frame, the mask including an active mask region and an inactive mask region surrounding the active mask region; and a first support bar fixed on the support frame. The first support bar is disposed on a side of the mask facing away from the support frame, a projection of the first support bar onto a plane where the support frame is located is overlapped with a projection of the mask onto the plane where the support frame is located by a first overlapping portion, and the first overlapping portion is located within a projection area of the inactive mask region onto the plane where the support frame is located.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.