Organic light-emitting element and organic light-emitting display device
US10483328B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 10, 2016 |
| Grant date | Nov 19, 2019 |
| Priority date | — |
| Expiry date | Apr 12, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/1201
Abstract
The present invention provides an organic light-emitting element comprising a first sub-pixel, a second sub-pixel, and a third sub-pixel, which have different colors, the organic light-emitting element comprising: a substrate; a first electrode arranged on the substrate; a second electrode arranged on the first electrode so as to face the first electrode; an organic light-emitting layer arranged between the first electrode and the second electrode, the organic light-emitting layer comprising a first organic light-emitting layer arranged on the first sub-pixel, a second organic light-emitting layer arranged on the second sub-pixel, and a third organic light-emitting layer arranged on the third sub-pixel; a hole transport layer arranged between the first electrode and the organic light-emitting layer; and a light-emitting supplement layer arranged between the hole transport layer and the organic light-emitting layer, the light-emitting supplement layer comprising a first light-emitting supplement layer, which is commonly arranged on the first sub-pixel, the second sub-pixel, and the third sub-pixel, a second light-emitting supplement layer, which is arranged on the second sub-pixel b…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.