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:
Feb. 19, 2008
Filed:
Feb. 18, 2005
Applicants:
Jong Rak Sohn, Suwon, KR;
Chul Soo Yoon, Suwon, KR;
Joon Ho Yoon, Seoul, KR;
Inventors:
Assignee:
Samsung Electro-Mechanics Co., Ltd., Kyungki-Do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 1/62 (2006.01); H01J 63/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a phosphor blend for wavelength conversion and a white light emitting device using the phosphor blend. Further disclosed is a white light emitting phosphor blend comprising 0.5˜18 wt % of A(PO)Cl:Eu(where A is at least one element selected from Sr, Ca, Ba and Mg), 0.7˜14 wt of DSiO:Eu (where D is at least one element selected from Ba, Sr and Ca), and 68˜98.5 wt % of GEu(WO):Sm (where G is at least one element selected from Li, Na and K; and s is a number between 1 and 5), based on the total weight of the phosphor blend.