Organic electro-luminescence display element, finder screen display device, finder and optical device
US6809473B2 · kind B2 · utility
11Cited by
10References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 3, 2002 |
| Grant date | Oct 26, 2004 |
| Priority date | — |
| Expiry date | May 3, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/26
Abstract
An organic electro-luminescence display element comprising at least a positive electrode, an organic luminescent film and a negative electrode, wherein the positive electrode is formed of an electrically conductive film having transparency, the negative electrode is formed of a metal film containing metal having a low work function, and the negative electrode is connected to a power supply lead portion made of a transparent and conductive film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.