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. 27, 2009
Filed:
Jan. 14, 2005
Takatoshi Seto, Yokohama, JP;
Naoto Kijima, Yokohama, JP;
Masahiko Yoshino, Yokohama, JP;
Masayoshi Mikami, Yokohama, JP;
Motoyuki Shigeiwa, Yokohama, JP;
Hiroyuki Imura, Yokohama, JP;
Takatoshi Seto, Yokohama, JP;
Naoto Kijima, Yokohama, JP;
Masahiko Yoshino, Yokohama, JP;
Masayoshi Mikami, Yokohama, JP;
Motoyuki Shigeiwa, Yokohama, JP;
Hiroyuki Imura, Yokohama, JP;
Mitsubishi Chemical Corporation, Tokyo, JP;
Abstract
An object of the present invention is to provide a high-efficiency red light emitting phosphor and white light emitting phosphor for using in a display or lighting which high-efficiently emits light in combination with a light source which emits light in the region from near-ultraviolet light to visible light. The present invention relates to a phosphor having a crystal phase having a specified chemical composition.