Invention Grant
- Patent Title: Fluorescent material and light-emitting device
- Patent Title (中): 荧光材料和发光装置
-
Application No.: US14855174Application Date: 2015-09-15
-
Publication No.: US09376617B2Publication Date: 2016-06-28
- Inventor: Osamu Inoue , Kojiro Okuyama , Mitsuru Nitta , Seigo Shiraishi
- Applicant: Panasonic Intellectual Property Management Co., Ltd.
- Applicant Address: JP Osaka
- Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Current Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Current Assignee Address: JP Osaka
- Agency: McDermott Will & Emery LLP
- Priority: JP2014-216003 20141023
- Main IPC: H01L33/00
- IPC: H01L33/00 ; C09K11/77 ; H01L33/50
Abstract:
A fluorescent material according to an aspect of the present disclosure mainly comprises a compound represented by AB0.5-w-x-y-zCwEuxSmyLnzW0.5O3. A is one or more elements selected from the group consisting of alkaline earth metals and mainly contains Ca. B is one or more elements selected from the group consisting of divalent metals and mainly contains Mg. C is one or more elements selected from the group consisting of alkali metals and mainly contains Li, Na, or Li and Na. Ln is one or more elements selected from the group consisting of rare earth elements excluding Eu and Sm. w, x, y, and z meet the following conditions: 0.05≦w≦0.25, 0.05≦x+y≦0.25, 0.0≦y≦0.02, and w=x+y+z.
Public/Granted literature
- US20160115386A1 FLUORESCENT MATERIAL AND LIGHT-EMITTING DEVICE Public/Granted day:2016-04-28
Information query
IPC分类:
