Organic electroluminescence device with recesses filled with a phosphor filling layer in the base material
US10431634B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 10, 2016 |
| Grant date | Oct 1, 2019 |
| Priority date | — |
| Expiry date | Aug 10, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/351
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An organic electroluminescence device includes a base material including a recessed portion on a surface side, a reflective layer disposed at least on a surface of the recessed portion, a filling layer having optical transparency, the filling layer being disposed in the recessed portion through the reflective layer, a first electrode having optical transparency, the first electrode being disposed at least on an upper-layer side of the filling layer, an organic layer including at least a light emitting layer, the organic layer being disposed on an upper-layer side of the first electrode, and a second electrode having optical transparency and light reflectivity, the second electrode being disposed on an upper-layer side of the organic layer. The filling layer includes at least one type of phosphor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.