Organic electroluminescent element, organic electroluminescent panel, and luminescent unit comprising a film thickness adjustment layer positioned outside of a resonator
US10553650B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 31, 2018 |
| Grant date | Feb 4, 2020 |
| Priority date | — |
| Expiry date | Aug 23, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/351
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An organic electroluminescent element includes an organic electroluminescent part and a pair of partition walls. The organic electroluminescent part includes an organic material layer, a resonator, and a film-thickness adjustment layer. The film-thickness adjustment layer has a thickness that is adjusted to allow a difference between a height of a pinning position and a height of a middle position of an upper surface of the organic material layer to fall within a predetermined range. The pinning position is a position at which the upper surface of the organic material layer and each of the partition walls are in contact with each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.