Organic electroluminescence device and illumination device
US10411223B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 7, 2016 |
| Grant date | Sep 10, 2019 |
| Priority date | — |
| Expiry date | Oct 31, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/3026
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The electroluminescence device of the disclosure includes: a base material provided with a recessed portion; a light-emitting element including a reflective layer provided on the front surface of the recessed portion, a filling layer having optical transparency and filling an inside of the recessed portion with the reflective layer interposed therebetween, a first electrode having optical transparency provided on the filling layer, an organic layer including a light-emitting layer provided on the first electrode, and a second electrode having optical transparency provided on the organic layer, and an active element connected to the light-emitting element, wherein a display region includes a plurality of unit regions divided from one another, the unit regions include a plurality of the light-emitting elements and the active elements configured to control the light emission of the plurality of light-emitting elements, and the reflective layer of at least one of the light-emitting elements of the plurality of recessed portions functions as a contact portion with the active element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.