Fluoride phosphor and light emitting device, and methods of manufacturing the same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01L-033/50
H01L-033/52
C09K-011/61
출원번호
US-0839798
(2015-08-28)
등록번호
US-9917231
(2018-03-13)
우선권정보
KR-10-2014-0155324 (2014-11-10)
발명자
/ 주소
Park, Jong Won
Lee, In Hyung
Kim, Tae Hoon
You, Ji Ho
Lee, Chi Woo
Yoon, Chul Soo
출원인 / 주소
SAMSUNG ELECTRONICS CO., LTD.
대리인 / 주소
Muir Patent Law, PLLC
인용정보
피인용 횟수 :
0인용 특허 :
44
초록▼
A fluoride phosphor may include: a fluoride represented by a composition formula: AxMFy:Mnz4+, where A is at least one selected from among Li, Na, K, Rb, and Cs, M is at least one selected from among Si, Ti, Zr, Hf, Ge and Sn, a composition ratio (x) of A satisfies 2≦x≦3, a composition ratio (y) of
A fluoride phosphor may include: a fluoride represented by a composition formula: AxMFy:Mnz4+, where A is at least one selected from among Li, Na, K, Rb, and Cs, M is at least one selected from among Si, Ti, Zr, Hf, Ge and Sn, a composition ratio (x) of A satisfies 2≦x≦3, a composition ratio (y) of F satisfies 4≦y≦7, and a composition ratio (z) of Mn satisfies 0z≦0.17.
대표청구항▼
1. A light emitting device comprising: a light emitting element disposed on a substrate;a wavelength conversion part absorbing excitation light emitted by the light emitting element and emitting visible light;a body part having a cavity; anda protective layer disposed at a bottom of the cavity betwe
1. A light emitting device comprising: a light emitting element disposed on a substrate;a wavelength conversion part absorbing excitation light emitted by the light emitting element and emitting visible light;a body part having a cavity; anda protective layer disposed at a bottom of the cavity between the wavelength conversion part and the substrate,wherein the wavelength conversion part includes: a fluoride phosphor including a fluoride represented by a composition formula: AxMFy:Mnz4+, where A is at least one selected from among Li, Na, K, Rb, and Cs, M is at least one selected from among Si, Ti, Zr, Hf, Ge and Sn, a composition ratio (x) of A satisfies 2≦x≦3, a composition ratio (y) of F satisfies 4≦y≦7, and a composition ratio (z) of Mn satisfies 0
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