SILICATE LUMINESCENT MATERIAL AND PREPARATION METHOD THEREFOR

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United States of America Patent

APP PUB NO 20150275083A1
SERIAL NO

14438510

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Abstract

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A silicate luminescent material has a general molecular formula of Li2Ca1-xSiO4:Tbx,My is provided, of which M is selected from at least one of Ag, Au, Pt, Pd, and Cu metal nanoparticles, x is in a range of 02Ca1-xSiO4:Tbx, y is a molar ratio of M to Si and y is in a range of 0−2. The metal nanoparticles M which doped in the silicate luminescent material can improve internal quantum efficiency of the luminescent material, thereby improving luminescent intensity of the silicate luminescent material. In addition, the silicate luminescent material 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, and has high stability. A preparation method thereof is also provided.

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Patent Owner(s)

Patent OwnerAddress
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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