Electroluminescent device having improved light output
US8272910B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Sep 2, 2010 |
| Grant date | Sep 25, 2012 |
| Priority date | — |
| Expiry date | Sep 2, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C2217/948
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
An electroluminescent device including a transparent substrate, a securing layer, a light scattering layer, an electroluminescent unit including a transparent electrode layer, a light emitting element including at least one light emitting layer, and a reflecting electrode layer in that order, wherein the light scattering layer includes one monolayer of inorganic particles having an index of refraction larger than that of the light emitting layer and wherein the securing layer holds the inorganic particles in the light scattering layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.