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:
Jul. 18, 2017
Filed:
Oct. 17, 2013
Ube Industries, Ltd., Ube-shi, JP;
Kazuki Iwashita, Ube, JP;
Takuma Sakai, Ube, JP;
Takayuki Ueda, Ube, JP;
Masataka Fujinaga, Ube, JP;
Shinsuke Jida, Ube, JP;
Masataka Yamanaga, Ube, JP;
Yuki Nagao, Ube, JP;
Takafumi Kawano, Ube, JP;
Ube Industries, Ltd., , JP;
Abstract
A method of manufacturing a wavelength conversion member including a polycrystalline ceramics includes mixing a substance serving as a silicon source, a substance serving as an aluminum source, a substance serving as a calcium source, and a substance serving as a europium source; firing the obtained mixture to obtain an oxynitride phosphor powder; then sintering the oxynitride phosphor powder in an inert atmosphere to obtain the polycrystalline ceramics, characterized in that the sintered oxynitride phosphor powder has a composition (excluding oxygen) represented by the Formula: CaEuSiAlON(in the Formula, x1, x2, y, and z are values such that 0<x1≦3.40, 0.05≦x2≦0.20, 3.5≦y≦7.0, 0≦z≦1).