SILICATE LUMINESCENT MATERIAL AND PREPARATION METHOD THEREOF

United States of America Patent

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Sep 24, 2015
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Sep 11, 2012
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Sep 11, 2012

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Abstract

The present invention relates to a silicate luminescent material and preparation method thereof. The silicate luminescent material has the following general chemical formula: (Ba_1-yA_y)_2-xSiO₄: Eu_x, D_z@M_n, wherein @ represents coating, Mn is a core, (Ba_1-yA_y)_2-xSiO₄: Eu_x, Dz is a shell; A is one or two of Sr, Ca, Mg or Zn; D is either F or Cl; M is at least one of Ag, Au, Pt, Pd and Cu metallic nanoparticles; the value range of x is 0.001−2. The silicate luminescent material is formed into a core-shell structure through the coating of metallic nanoparticles, thus effectively improving internal quantum efficiency of the luminescent material. In addition, the plasma effect on the surface of the metallic nanoparticles greatly improves luminous efficiency of the silicate luminescent material. The preparation method of the silicate luminescent material is simple, pollution free, easy to control, has low requirement for device, and is suitable for industrial production.

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Patent Owner	Address
OCEAN'S KING LIGHTING SCIENCE & TECHNOLOGY CO LTD	518000 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 LTD	F/2 NORTH SIDE MAIN BUILDING OF HUAYE COMPANY NO 84 DONGBIN RD NANSHAN DISTRICT SHENZHEN GUANGDONG

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C09K:MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED ....

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Inventor Name	Address	# of filed Patents	Total Citations
Wwang, Rong	Shenzhen, CN	1	0
Zhou, Mingjie	Shenzhen, CN	204	346

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SILICATE LUMINESCENT MATERIAL AND PREPARATION METHOD THEREOF

Number of patents in Portfolio can not be more than 2000

United States of America Patent

14427343

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14427343

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