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. 13, 2015
Filed:
Jul. 12, 2012
Yewen Wang, Guandong, CN;
Yewen Wang, Guandong, CN;
Shenzhen China Star Optoelectronics Technology Co., Ltd, Shenzhen, Guangdong, CN;
Abstract
A method for manufacturing fluorescent powder substrate includes (1) providing a fluorescent powder and glass panels of which one forms a through hole; (2) mixing the fluorescent powder in deionized water solvent to form a slurry; (3) applying the slurry to form a fluorescent powder layer on one glass panel; (4) laying flat a loop of low melting point glass powder on the glass panel on which the fluorescent powder layer is formed; (5) laminating the other glass panel on the glass panel; (6) burning the laminated glass panels at a temperature of 400-550° C. to completely combust organic substance therebetween and to have the low melting point glass powder bonding the glass panels together; (7) evacuating interior between the glass panels through the through hole; and (8) sealing the through hole to form a fluorescent powder substrate.