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:
May. 29, 2012
Filed:
Jan. 21, 2008
Applicant:
Joong IN an, Gwangju, KR;
Inventor:
Joong In An, Gwangju, KR;
Assignee:
LG Innotek Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/59 (2006.01); C09K 11/77 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed are a phosphor, method for preparing the same, and light emitting diode using the same. The method comprises the steps of preparing a precursor solution by mixing strontium nitrate (Sr(NO)), tetraethyl orthosilicate (TEOS), and europium oxide (Eu) with each other, forming a gel by heating the precursor solution, drying the gel specimen, performing calcination by removing water and organic materials from the dried gel, and preparing a phosphor by reducing the Eu of the gel.