Light emitting device based on a pyrromethene compound
US8962155B2 · kind B2 · utility
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13Claims
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Key dates
| Filing date | Oct 28, 2008 |
| Grant date | Feb 24, 2015 |
| Priority date | — |
| Expiry date | Oct 18, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/917
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A light emitting device material containing a pyrromethene compound represented by the general formula (1). It realized a luminescent element having a high luminescent efficiency and exellent color purity. Also provided is a luminescent element employing the materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.