Mask and assembling method thereof
US10774415B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jul 3, 2017 |
| Grant date | Sep 15, 2020 |
| Priority date | — |
| Expiry date | Aug 17, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K71/861
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A mask and an assembling method are provided. The mask includes a plurality of strip-shaped supporting structures; a mask sheet supported by adjacent supporting structures, having a mask pattern; and a frame having an opening area; each of the supporting structures includes an intermediate portion and extension portions at both ends of the supporting structure, a width of the intermediate portion is greater than a width of each of the extension portions; the frame is provided with a groove connected with the opening area; and the extension portions of the supporting structure and an transition area in the intermediate portion close to the extension portion are located in the groove, and a fixing point configured to fix the supporting structure with the groove is at least disposed in the transition area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.