Mask, manufacturing method of mask, and manufacturing method of display panel
US12291770B2 · kind B2 · utility
0Cited by
5References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 4, 2021 |
| Grant date | May 6, 2025 |
| Priority date | — |
| Expiry date | Sep 8, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K71/00
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The mask includes a first surface and a second surface that are arranged opposite to each other. The first surface includes a plurality of first grooves, the second surface includes a plurality of second grooves, the plurality of second grooves and the plurality of first grooves are in a one-to-one correspondence, and each second groove and a respective first groove corresponding to the each second groove penetrate the mask. On the second surface, the distance between adjacent second grooves is greater than a preset distance, where the preset distance is greater than zero.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.