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:
Oct. 31, 2017
Filed:
Jul. 22, 2015
Dexerials Corporation, Tochigi, JP;
Kazuhiro Yagihashi, Tochigi, JP;
Tsuneo Kusunoki, Tochigi, JP;
Masahide Daimon, Tochigi, JP;
Yu Nomura, Tochigi, JP;
Shuji Ohashi, Tochigi, JP;
DEXERIALS CORPORATION, Tokyo, JP;
Abstract
A fluorescent substance, represented by the following general formula (1):Ca(SeS):Eu  (1)where y is a value in the range of 0.5 to 1,wherein an absolute value of a difference between an optimal value (nm) of an emission peak wavelength corresponding to the value of y, and a measured value (nm) of the emission peak wavelength is 5 nm or less, and wherein an absolute value of a difference between an optimal value (nm) of a full width at half maximum of emission corresponding to the value of y, and a measured value (nm) of the full width at half maximum of emission is 6 nm or less.