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. 10, 2015
Filed:
Jul. 28, 2011
Applicants:
Hiroshi Okura, Kanagawa, JP;
Takeo Wakimoto, Tokyo, JP;
Koutoku Ohmi, Tottori, JP;
Yoshinobu Miyamoto, Tottori, JP;
Inventors:
Hiroshi Okura, Kanagawa, JP;
Takeo Wakimoto, Tokyo, JP;
Koutoku Ohmi, Tottori, JP;
Yoshinobu Miyamoto, Tottori, JP;
Assignee:
Merck Patent GmbH, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/08 (2006.01); C09K 11/08 (2006.01); C09K 11/59 (2006.01); C09K 11/77 (2006.01); H01L 33/50 (2010.01); H05B 33/14 (2006.01);
U.S. Cl.
CPC ...
C09K 11/59 (2013.01); C09K 11/7734 (2013.01); H01L 33/502 (2013.01); H05B 33/14 (2013.01); H01L 33/504 (2013.01);
Abstract
The invention relates to co-activated silicate based phosphors. The invention further relates to the method of preparing these phosphors and to the use of these phosphors in electronic and electrooptical devices, in particular in light emitting diodes (LEDs) and solar cells. The invention further relates to illumination units comprising said phosphors.