OLED panel, having cathode disposed on pixel opening evaporation method thereof, and mask plate group thereof having mask plate corresponding to pixel opening
US12035545B2 · kind B2 · utility
0Cited by
3References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 9, 2020 |
| Grant date | Jul 9, 2024 |
| Priority date | — |
| Expiry date | Jan 4, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/351
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A mask plate group of an organic light emitting diode (OLED) panel, a cathode evaporation method thereof and an OLED panel are provided. The OLED panel includes a display area having an imaging area, and the mask plate group includes a first mask plate and a second mask plate. The first mask plate includes a common mask opening area. The common mask opening area covers an entire of the display area. The second mask plate includes a special-shaped mask opening area. The special-shaped mask opening area covers all the display area except the imaging area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.