ZINC ALUMINATE LUMINESCENT MATERIAL AND PREPARATION METHOD THEREOF

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United States of America Patent

APP PUB NO 20150240151A1
SERIAL NO

14427380

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Abstract

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A zinc aluminate luminescent material is provided having the general molecular formula of Zn1-xAl2O4:A3+x@Al2O3@My, wherein A is selected from the group consisting of Cr, Eu, Tb, and Ce; M is selected from at least one of Ag, Au, Pt, Pd and Cu metal nanoparticles; 01-xAl2O4:A3+x and the molar mass of Al in Al2O3@My, 0−2; @ represents coating; the zinc aluminate luminescent material uses M as a core, Al2O3 as an inner shell, and Zn1-xAl2O4:A3+x as an outer shell. The zinc aluminate luminescent material is a core-shell structure using at least one of Ag, Au, Pt, Pd and Cu metal nanoparticles as a core, Al2O3 as an inner shell, and Zn1-xAl2O4:A3+x as an outer shell. The metallic nanoparticles improve the internal quantum efficiency, thus enabling the zinc aluminate luminescent material to have a relatively high luminous intensity. Moreover, a preparation method of the zinc aluminate luminescent material is also provided.

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Patent Owner(s)

Patent OwnerAddress
OCEAN'S KING LIGHTING SCIENCE & TECHNOLOGY CO LTD22F A BLOCK NEPTUNUS BLDG NANHAI RD NANSHAN DISTRICT SHENZHEN GUANGDONG
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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