Display device with reflective light guide structure
US11398619B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2019 |
| Grant date | Jul 26, 2022 |
| Priority date | — |
| Expiry date | Oct 21, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/3035
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A display device is disclosed. The display device includes a substrate provided with a plurality of subpixels including a first light emitting area and a second light emitting area, a first electrode in the first light emitting area of each of the plurality of subpixels on the substrate, a first light emitting layer provided on the first electrode, a second electrode provided on the first light emitting layer, a second light emitting layer provided on the second electrode, a third electrode provided on the second light emitting layer, and a light guide structure provided between the substrate and the first electrode, guiding light emitted from the first light emitting layer to be emitted to the second light emitting area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.