Substrate and evaporation device used for manufacturing organic light emitting display panel
US10217939B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 6, 2017 |
| Grant date | Feb 26, 2019 |
| Priority date | — |
| Expiry date | Sep 6, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The present disclosure provides a substrate and an evaporation device used for manufacturing an organic light emitting display panel. The substrate includes a base plate; a plurality of layer formation areas on the base plate, wherein the layer formation areas are where an organic light emitting layer is formed; a plurality of first spacers disposed on the base plate at a clearance region between the layer formation areas; and a plurality of second spacers disposed on the base plate at outer peripheries of the layer formation areas, wherein each of the second spacers includes a photoresist material and a plurality of magnetic polymer microspheres.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.