公开(公告)号：US20240026221A1

公开(公告)日：2024-01-25

申请号：US18024932

申请日：2021-09-06

Applicant: Denka Company Limited

Inventor： Noriyoshi SAKAI ,  Ryousuke KONDO ,  Tomohiro NOMIYAMA ,  Keita KOBAYASHI

IPC: C09K11/77 ,  C09K11/64

CPC classification number: C09K11/7728 ,  C09K11/641

Abstract: An europium activating β-type sialon phosphor contains at least one kind of element selected from the group made of yttrium, titanium, and gadolinium, wherein the total content of the at least one kind of element is more than 0 ppm and less than 1000 ppm.