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:
Aug. 05, 2025
Filed:
Jul. 29, 2024
Mitsubishi Chemical Corporation, Tokyo, JP;
National Institute for Materials Science, Tsukuba, JP;
Kyota Ueda, Tokyo, JP;
Tomoyuki Kurushima, Tokyo, JP;
Atsushi Ooishi, Tokyo, JP;
Naoto Hirosaki, Ibaraki, JP;
Mitsubishi Chemical Corporation, Tokyo, JP;
National Institute for Materials Science, Tsukuba, JP;
Abstract
A phosphor includes a crystal phase having a composition represented by ReMAMBMCDX, in which MA includes at least one of Ca, Sr, Ba, Na, K, Y, Gd, or La, MB includes at least one of Li, Mg, or Zn, MC includes at least one of Al, Si, Ga, In, or Sc, D is N (nitrogen) and/or O (oxygen), X includes at least one of F, Cl, Br, or I, Re includes at least one of Eu, Ce, Pr, Tb, or Dy, and a, b, c, d, e, and x satisfy the specific expressions, respectively. In the phosphor, when a content of B (boron) is designated as b (mass ppm), a value of Log(b) is 3.5 or less.