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:
Jun. 19, 2018
Filed:
Feb. 02, 2016
Applicant:
Nitto Denko Corporation, Ibaraki-shi, Osaka, JP;
Inventors:
Hironaka Fujii, Osaka, JP;
Masahiro Shirakawa, Osaka, JP;
Assignee:
NITTO DENKO CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/48 (2006.01); F21V 3/04 (2018.01); F21V 7/00 (2006.01); F21V 7/04 (2006.01); F21V 13/02 (2006.01); F21V 29/70 (2015.01); C09K 11/77 (2006.01); H01L 33/50 (2010.01); H01L 33/62 (2010.01); H01L 33/60 (2010.01); H01L 33/52 (2010.01); F21Y 115/30 (2016.01); F21Y 115/10 (2016.01);
U.S. Cl.
CPC ...
G02B 27/48 (2013.01); C09K 11/7774 (2013.01); F21V 3/0463 (2013.01); F21V 3/08 (2018.02); F21V 7/0008 (2013.01); F21V 7/04 (2013.01); F21V 13/02 (2013.01); F21V 29/70 (2015.01); H01L 33/502 (2013.01); H01L 33/52 (2013.01); H01L 33/60 (2013.01); H01L 33/62 (2013.01); F21Y 2115/10 (2016.08); F21Y 2115/30 (2016.08);
Abstract
The phosphor ceramic has pores with a pore diameter of 3.0 μm or more and 12.0 μm or less. In the phosphor ceramic, a pore volume percentage of pores with a pore diameter of 3.0 μm or more and 12.0 μm or less is 1.5% by volume or more and 9.5% by volume or less.