Title:
OXYNITRIDE PHOSPHOR, PREPARING METHOD THEREFOR, AND WHITE LIGHT EMITTING ELEMENT
Document Type and Number:
WIPO Patent Application WO/2017/069455
Kind Code:
A1
Abstract:
The present invention relates to an oxynitride phosphor, a preparing method therefor, and a white light emitting element, and more specifically, to an oxynitride phosphor characterized by the emission at an emission wavelength of even 500-550 nm using a UV LED and a blue LED as light sources and having a narrow full width at half maximum of 48-80 nm, wherein the oxynitride phosphor has an excellent absorption range of 380-480 nm and facilitates the wavelength shift to even 500-550 nm, to a preparing method therefor, and to a white light emitting element containing the phosphor.
Inventors:
LEE SUNG HOON (KR)
KIM YOUNG SIC (KR)
LEE HWAN SUP (KR)
LEE SANG JUN (KR)
KIM YOUNG SIC (KR)
LEE HWAN SUP (KR)
LEE SANG JUN (KR)
Application Number:
PCT/KR2016/011476
Publication Date:
April 27, 2017
Filing Date:
October 13, 2016
Export Citation:
Assignee:
HYOSUNG CORP (KR)
International Classes:
C09K11/77; C09K11/55; C09K11/59; H01L33/50; H05B33/14
Domestic Patent References:
| WO2012073887A1 | 2012-06-07 |
Foreign References:
| US20080296596A1 | 2008-12-04 | |||
| KR20150055594A | 2015-05-21 | |||
| KR101215300B1 | 2012-12-26 | |||
| KR101389089B1 | 2014-04-29 |
Attorney, Agent or Firm:
CHO, Chul Hyun (KR)
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