Organic light-emitting display device and method of manufacturing the same
US10879316B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 21, 2019 |
| Grant date | Dec 29, 2020 |
| Priority date | — |
| Expiry date | Aug 21, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K71/00
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A display device including a substrate which has a plurality of pixels each including an emission portion and a non-emission portion, a first electrode which is disposed on the emission portion, a pixel definition layer which is disposed on an edge of the first electrode and the non-emission portion, a common organic layer which is disposed on the first electrode and the pixel definition layer, an organic light-emitting layer which is disposed on the common organic layer and overlaps the emission portion, and a second electrode which is disposed on the common organic layer and the organic light-emitting layer. The pixel definition layer includes a plurality of pits between adjacent pixels. The common organic layer and the second electrode are separated by the pits.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.