Donor mask and method of manufacturing organic light emitting display apparatus using the same
US9379325B2 · kind B2 · utility
1Cited by
1References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 25, 2015 |
| Grant date | Jun 28, 2016 |
| Priority date | — |
| Expiry date | Feb 25, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/351
Abstract
A donor mask includes a base substrate, a light-to-heat conversion layer disposed on the base substrate and including a first upper surface portion and a second upper surface portion, and a reflection layer interposed between the base substrate and the light-to-heat conversion layer and including through holes corresponding to the first upper surface portion and the second upper surface portion. The first upper surface portion includes a first upper surface and a second upper surface connected to the first upper surface and inclined at an angle other than 90 degrees with respect to the first upper surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.