Invention Grant
- Patent Title: Oxynitride phosphor powder
- Patent Title (中): 氧氮化钠荧光粉
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Application No.: US14387886Application Date: 2013-03-28
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Publication No.: US09382477B2Publication Date: 2016-07-05
- Inventor: Takayuki Ueda , Masataka Fujinaga , Takuma Sakai , Shinsuke Jida
- Applicant: Ube Industries, Ltd.
- Applicant Address: JP
- Assignee: Ube Industries, Ltd.
- Current Assignee: Ube Industries, Ltd.
- Current Assignee Address: JP
- Agency: DLA Piper LLP (US)
- Priority: JP2012-075608 20120329; JP2012-075623 20120329
- International Application: PCT/JP2013/059346 WO 20130328
- International Announcement: WO2013/147066 WO 20131003
- Main IPC: C09K11/77
- IPC: C09K11/77 ; H01L33/50
Abstract:
An oxynitride phosphor power has a fluorescence peak wavelength of 580 to 605 nm, the oxynitride phosphor having a higher external quantum efficiency than ever before. The oxynitride phosphor powder is an oxynitride phosphor powder containing α-SiAlON and aluminum nitride, represented by composition formula: Cax1Eux2Si12−(y+z)Al(y+z)OzN16−z wherein x1, x2, y and z are 0
Public/Granted literature
- US20150044471A1 OXYNITRIDE PHOSPHOR POWDER Public/Granted day:2015-02-12
Information query
