Light-emitting polymer and organoelectroluminescent display using the same
US7348072B2 · kind B2 · utility
7Cited by
4References
20Claims
0Family size
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Key dates
| Filing date | Nov 24, 2004 |
| Grant date | Mar 25, 2008 |
| Priority date | — |
| Expiry date | May 3, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/917
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A spirofluorene-type of a blue light-emitting polymer including an indenofluorene repeating unit having a spiroanthracene structure, and an organic electroluminescent display using the polymer. The brightness and efficiency property of the organic electroluminescent display are improved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.