Fluorene-based alternating polymers containing acetylene group and electroluminescence element using the same
US5876864A · kind A · utility
41Cited by
1References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 16, 1997 |
| Grant date | Mar 2, 1999 |
| Priority date | — |
| Expiry date | Dec 16, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/917
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a fluorene-based alternating polymer having the following formula (I) to be used as light emitting materials of electroluminescent elements, and further relates to electroluminescent elements having an anode/luminescent layer/cathode structure, in which the fluorene-based alternating polymer is used as light emitting materials of the luminescent layer, or having a transporting and/or reflection layer added thereto, if necessary. ##STR1## wherein R, R', X, Ar and n are defined as above.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.