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:
Nov. 26, 2013
Filed:
Dec. 02, 2011
Applicants:
Youn Gon Park, Gyeonggi-do, KR;
Chul Soo Yoon, Gyeonggi-do, KR;
Won Young Song, Seoul, KR;
Sang Hyun Kim, Seoul, KR;
Hyong Sik Won, Gyeonggi-do, KR;
Inventors:
Youn Gon Park, Gyeonggi-do, KR;
Chul Soo Yoon, Gyeonggi-do, KR;
Won Young Song, Seoul, KR;
Sang Hyun Kim, Seoul, KR;
Hyong Sik Won, Gyeonggi-do, KR;
Assignee:
Samsung Electronics Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for preparing a phosphor includes: dissolving at least one metal as a raw material of a desired phosphor in liquid ammonia to form a metal-amide type precursor; gathering the metal-amide type precursor; and firing the precursor to form a desired phosphor.