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)

Patent OwnerAddress
OCEAN'S KING LIGHTING SCIENCE & TECHNOLOGY CO LTDFLOOR 1 BUILDING B OCEAN KING TECHNOLOGY BUILDING NO 1601 JUFENG ROAD DONGZHOU COMMUNITY GUANGMING STREET GUANGMING DISTRICT SHENZHEN GUANGDONG 518107 SHENZHEN CITY GUANGDONG PROVINCE 518107
SHENZHEN OCEAN'S KING LIGHTING ENGINEERING CO LTD518000 SHENZHEN CITY GUANGDONG PROVINCE SHENZHEN CITY GUANGDONG PROVINCE 518000

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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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