公开(公告)号：US20160040063A1

公开(公告)日：2016-02-11

申请号：US14821068

申请日：2015-08-07

Applicant: MITSUBISHI CHEMICAL CORPORATION

Inventor： Satoshi SHIMOOKA ,  Akihiro Ohto ,  Shiho Takashina

IPC: C09K11/77 ,  H01L33/50

CPC classification number: C09K11/7774 ,  C09K11/0883 ,  C09K11/7715 ,  C09K11/7728 ,  F21K9/64 ,  H01L33/502 ,  H01L33/507 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2924/181 ,  H01L2924/00012

Abstract: The present invention related to a nitride phosphor represented by the following general formula (1), the nitride phosphor having an x value of less than 0.43 in luminescent color coordinates (x, y) upon being excited with excitation light of 455 nm, and a reflectance Ra of 89% or more at 770 nm; LnxSiyNn:Z  (1), wherein Ln is a rare-earth element excluding the element used as an activator, Z is an activator, x satisfies 2.7≦x≦3.3, y satisfies 5.4≦y≦6.6, and n satisfies 10≦n≦12.

Abstract translation: 本发明涉及由以下通式（1）表示的氮化物荧光体，在455nm的激发光激发时，发光色坐标（x，y）的x值小于0.43的氮化物荧光体，以及 770nm处的反射率Ra为89％以上; LnxSiyNn：Z（1）其中Ln是除了用作活化剂的元素之外的稀土元素，Z是活化剂，x满足2.7＆nlE; x＆nlE; 3.3，y满足5.4＆nlE; y＆nlE; 6.6，n满足10＆ ; n＆nlE; 12。