Crucible for OLED evaporation source and manufacturing method thereof
US10392692B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 25, 2015 |
| Grant date | Aug 27, 2019 |
| Priority date | — |
| Expiry date | Jul 6, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K71/40
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Embodiments of the present disclosure provide a crucible for OLED evaporation source and a manufacturing method thereof. The crucible comprises a body and an inner plate provided on the body. A bottom of the body is gradually enlarged from down to up in a cross section perpendicular to a length direction of the body. The bottom of the body is designed to have a V shape, a U shape or a combined shape thereof in the cross section perpendicular to the length direction of the body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.