Organic electroluminescence display device having stacked organic light emitting layers and method for manufacturing the same
US10505134B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 11, 2018 |
| Grant date | Dec 10, 2019 |
| Priority date | — |
| Expiry date | Jul 11, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/876
Abstract
An organic electroluminescence display device includes: a substrate; a first electrode including a first sub-electrode, a second sub-electrode, and a third sub-electrode which are arranged on the substrate; an organic light emitting layer on the first electrode and including a first light emitting layer, a second light emitting layer, and a third light emitting layer; and a second electrode on the organic light emitting layer, and the first light emitting layer is on the first sub-electrode, the second light emitting layer is on the first sub-electrode, the second sub-electrode, and the third sub-electrode, and the third light emitting layer is on the third sub-electrode, and the first light emitting layer is on a lower portion of the second light emitting layer, and the third light emitting layer is on an upper portion of the second light emitting layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.