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:
Mar. 22, 2016
Filed:
Apr. 01, 2011
Applicants:
Young-rag DO, Seoul, KR;
Yeon-goog Sung, Gyeonggi-do, KR;
Inventors:
Young-Rag Do, Seoul, KR;
Yeon-Goog Sung, Gyeonggi-do, KR;
Assignee:
PSI CO., LTD., Gyeonggi-Do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 29/18 (2006.01); H01L 27/15 (2006.01); H01L 33/50 (2010.01); H01L 33/44 (2010.01);
U.S. Cl.
CPC ...
H01L 33/507 (2013.01); H01L 33/44 (2013.01); H01L 33/50 (2013.01);
Abstract
A phosphor-converted single-color LED is provided. The phosphor-converted single-color LED includes a long-wavelength pass filter having a special construction. The phosphor-converted single-color LED has high color purity and efficiency despite the use of a phosphor in the form of a nano/micro powder.