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:
Nov. 05, 2013
Filed:
Sep. 23, 2011
Takatoshi Seto, Yokohama, JP;
Naoto Kijima, Yokohama, JP;
Keiichi Seki, Yokohama, JP;
Ryuji Adachi, Tokyo, JP;
Hiroyasu Yamada, Odawara, JP;
Tatsuya Inoue, Odawara, JP;
Takatoshi Seto, Yokohama, JP;
Naoto Kijima, Yokohama, JP;
Keiichi Seki, Yokohama, JP;
Ryuji Adachi, Tokyo, JP;
Hiroyasu Yamada, Odawara, JP;
Tatsuya Inoue, Odawara, JP;
Mitsubishi Chemical Corporation, Tokyo, JP;
Abstract
To provide a yellow to orange phosphor which has high luminance and excellent temperature characteristics and which also has high luminance when mixed with a phosphor of a different color. A phosphor containing a crystal phase represented by the following formula [I], wherein when its object color is expressed by the L*a*b* color system, the values of a*, b* and (a*+b*)satisfy −20≦a*≦−2, 71≦b* and 71≦(a*+b*), respectively:RMASiAlON  [I].