Organic EL elements and process for fabrication thereof
US7897269B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 20, 2004 |
| Grant date | Mar 1, 2011 |
| Priority date | — |
| Expiry date | Jan 31, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/26
Abstract
Organic EL elements provided with a substrate 10, a first electrode layer 12 and a second electrode layer 18 situated in a mutually opposing manner on one side of the substrate 10, and a luminescent layer 20 situated between the electrode layers, wherein one of the first electrode layer 12 and the second electrode layer 18 is a hole injection electrode layer and the other is an electron injection electrode layer, and there is formed in the luminescent layer 20 a modified section 16 which contains an organic polymer compound different from the organic compound composing the luminescent layer 14, in bias toward the electron injection electrode layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.