Red phosphor, white light emitting apparatus, display apparatus, and lighting apparatus
US10150912B2 · kind B2 · utility
1Cited by
41References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 9, 2015 |
| Grant date | Dec 11, 2018 |
| Priority date | — |
| Expiry date | Jun 18, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
There is provided a red phosphor that may include a nitride represented by a formula of (Sr1-x-yBaxEuy)2Si5N8, wherein 0<x<0.7, and 0<y<0.1. The red phosphor may emit light having a peak wavelength in a range of 600 nm to 630 nm when irradiated by an excitation source and the excitation source may be a blue light source having a dominant wavelength in a range of 420 nm to 470 nm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.