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:
Dec. 13, 2016
Filed:
Apr. 17, 2015
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Osamu Inoue, Osaka, JP;
Kojiro Okuyama, Nara, JP;
Mitsuru Nitta, Osaka, JP;
Seigo Shiraishi, Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/78 (2006.01); C09K 11/77 (2006.01); F21K 2/00 (2006.01); H01L 33/50 (2010.01);
U.S. Cl.
CPC ...
C09K 11/7794 (2013.01); F21K 2/00 (2013.01); H01L 33/502 (2013.01);
Abstract
A red phosphor material comprising an essential component represented by a formula of ALnEuSmMOas a main component, where A represents at least one selected from Li, Na, and K; Ln represents at least one selected from La and Gd; M represents at least one selected from W and Mo; and x and y are numerical values that satisfy 0.1≦x+y≦0.7 and 0.005≦y≦0.08. A light-emitting device includes an excitation light source and the red phosphor material that absorbs excitation light emitted by the excitation light source and emits red light.