Mask plate, OLED display substrate, display device and manufacturing method thereof
US10991884B2 · kind B2 · utility
0Cited by
1References
19Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jun 28, 2018 |
| Grant date | Apr 27, 2021 |
| Priority date | — |
| Expiry date | Jun 28, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K71/40
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A mask plate, an OLED display substrate, a display device and a manufacturing method thereof are provided. The mask plate includes: a mask plate body and a first blocking wall arranged on the mask plate body, where the mask plate body is provided with a plurality of openings, the plurality of openings are arranged in a matrix; the first blocking wall is arranged to close to the plurality of openings, and at least one part of the first blocking wall is arranged between two adjacent rows or adjacent columns of openings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.