STANNATE LUMINESCENT MATERIAL AND PREPARATION METHOD THEREOF

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United States of America Patent

APP PUB NO 20150232755A1
SERIAL NO

14427348

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Abstract

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A stannate luminescent material, having the general molecular formula of Ln2−xEuxSn2O7@SnO2@My, wherein Ln is selected from one of Gd, Y and La; M is selected from at least one of Ag, Au, Pt, Pd and Cu metallic nanoparticles; 02−xEuxSn2O7 and the molar mass of Sn in SnO2@My, 0−2; and @ represents coating; the stannate luminescent material uses M. as a core, SnO2 as an inner shell, and Ln2−xEuxSn2O7 as an outer shell. The stannate luminescent material is formed into a core-shell structure through the coating of at least one of Ag, Au, Pt, Pd and Cu metallic nanoparticles. The metallic nanoparticles improve the internal quantum efficiency of the luminescent material, thus enabling the stannate luminescent material to have a relatively high luminous intensity.

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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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