The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 22, 2013
Filed:
Apr. 27, 2010
Mingjie Zhou, Guangdong, CN;
Shuxin LU, Guangdong, CN;
Wenbo MA, Guangdong, CN;
Ocean's King Lighting Science & Technology Co., Ltd., Guangdong, CN;
Abstract
A preparation method of zinc manganese silicate is provided. The method includes the following steps: step, preparing silicon dioxide sol with distilled water, anhydrous ethanol and tetraethyl orthosilicate; step, preparing a mixture solution of a zinc salt and a manganese salt; step, adjusting the silicon dioxide sol to be neutral or acidic; stepadding the mixture solution of the zinc salt and the manganese salt into the silicon dioxide sol to form a gelatin; step, drying the gelatin, keeping the temperature, grinding, reducing with keeping the temperature in a reductive atmosphere to obtain zinc manganese silicate. The preparation method has simple technique and low equipment requirement. The particles of the zinc manganese silicate phosphor prepared by the method have a regular size, uniform shape and good luminescent performance.