Organic light-emitting display apparatus
US10529950B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 27, 2017 |
| Grant date | Jan 7, 2020 |
| Priority date | — |
| Expiry date | Oct 27, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/8791
Abstract
An organic light-emitting display apparatus, including a substrate; a first electrode on the substrate; a second electrode on the first electrode; a first organic emissive layer between the first electrode and the second electrode, the first organic emissive layer to emit a first light; a second organic emissive layer between the first electrode and the second electrode, the second organic emissive layer to emit a second light having a different color from the first light; an auxiliary layer on the second electrode, the auxiliary layer having a refractive index equal to or higher than about 2.2; and a charging layer on the auxiliary layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.