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:
Jul. 09, 2002
Filed:
Jul. 13, 2000
High luminance blue color fluorescent substance for low-voltage and manufacturing method of the same
Applicant:
Inventors:
Assignee:
Samsung SDI Co., Ltd., Kyungki-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 1/162 ;
U.S. Cl.
CPC ...
C09K 1/162 ;
Abstract
Disclosed is a low-voltage blue color fluorescent substance which is doped with 0.5 to 3 weight % of P, and a manufacturing method of the same. The above blue color fluorescent substance is manufactured by mixing phosphoric compound as flux with a mixture of zinc oxide (ZnO) and gallium oxide (Ga O ); carrying out a primary burn on the mixture at a temperature of 1,200 to 1,300° C.; ball milling and washing; and carrying out a secondary burn on the resultant material at a temperature of 900 to 1,100° C., and then classifying the substance.