Phosphor composition, light emitting element package comprising same, and lighting system
US10385266B2 · kind B2 · utility
0Cited by
7References
21Claims
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Key dates
| Filing date | Aug 24, 2015 |
| Grant date | Aug 20, 2019 |
| Priority date | — |
| Expiry date | Apr 17, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An embodiment provides a phosphor composition and a light emitting device package comprising the same, wherein the phosphor composition comprises green phosphor, amber phosphor, and red phosphor, wherein the amber phosphor is expressed as chemical formula Lim−2XSi12−m−nAlm+nOnN16−n:Eu2+, where 2≤m≤5, 2≤n≤10, 0.01≤X≤1. The light emitting element package of the embodiment can display white light having improved brightness and color rendering index.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.