ALUMINATE LUMINESCENT MATERIAL AND PREPARATION METHOD THEREFOR

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United States of America Patent

APP PUB NO 20150284630A1
SERIAL NO

14438474

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Abstract

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An aluminate luminescent material with a general molecular formula of Y3-xAl5O12:Lnx,My is provided, Ln is selected from at least one of Ce and Tb; M is selected from at least one of Ag, Au, Pt, Pd, and Cu, x is in a range of 0−2. The aluminate luminescent material is formed by codoping Ln and M in a Y3-xAl5O12 substrate, of which M can improve internal quantum efficiency and luminescent intensity of the luminescent material. In addition, Y3-xAl5O12 has high stability, which can prevent a phenomenon where luminescent efficiency of the luminescent material is reduced because a traditional sulfide and sulfur oxide decompose during use and sediment generated in decomposition covers a surface of the luminescent material. Also provided is a preparation method thereof.

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Patent Owner(s)

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OCEAN'S KING LIGHTING SCIENCE & TECHNOLOGY CO LTD518000 GUANGDONG PROVINCE SHENZHEN NANSHAN DISTRICT NANHAI ROAD SEA KING BUILDING BLOCK A 22 FLOOR SHENZHEN CITY GUANGDONG PROVINCE 518000
SHENZHEN OCEAN'S KING LIGHTING ENGINEERING CO LTDF/2 NORTH SIDE MAIN BUILDING OF HUAYE COMPANY NO 84 DONGBIN RD NANSHAN DISTRICT SHENZHEN GUANGDONG

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Wang, Rong Shenzhen, CN 224 1444
Zhou, Mingjie Shenzhen, CN 204 346

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