Invention Grant
US08062549B2 Phosphor and manufacturing method therefore, and light emission device using the phosphor
有权
因此,荧光体和制造方法,以及使用荧光体的发光装置
- Patent Title: Phosphor and manufacturing method therefore, and light emission device using the phosphor
- Patent Title (中): 因此,荧光体和制造方法,以及使用荧光体的发光装置
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Application No.: US11992647Application Date: 2006-07-14
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Publication No.: US08062549B2Publication Date: 2011-11-22
- Inventor: Akira Nagatomi , Kenji Sakane , Tomoya Yamada
- Applicant: Akira Nagatomi , Kenji Sakane , Tomoya Yamada
- Applicant Address: JP Tokyo
- Assignee: Mitsubishi Chemical Corporation
- Current Assignee: Mitsubishi Chemical Corporation
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2005-280859 20050927; JP2006-127946 20060501
- International Application: PCT/JP2006/314109 WO 20060714
- International Announcement: WO2007/037059 WO 20070405
- Main IPC: H01L33/00
- IPC: H01L33/00 ; C09K11/62 ; C09K11/64 ; C09K11/66 ; C09K11/78 ; C09K11/79

Abstract:
To provide a phosphor for manufacturing an one chip type LED illumination, etc, by combining a near ultraviolet/ultraviolet LED and a blue LED, and having an excellent emission efficiency including luminance. The phosphor is given as a general composition formula expressed by MmAaBbOoNn:Z, (where element M is one or more kinds of elements having bivalent valency, element A is one or more kinds of elements having tervalent valency, element B is one or more kinds of elements having tetravalent valency, O is oxygen, N is nitrogen, and element Z is one or more kinds of elements acting as an activator.), satisfying a=(1+x)×m, b=(4−x)×m, o=x×m, n=(7−x)×m, 0≦x≦1, wherein when excited by light in a wavelength range from 300 nm to 500 nm, the phosphor has an emission spectrum with a peak wavelength in a range from 500 nm to 620 nm.
Public/Granted literature
- US20090267485A1 Phosphor and Manufacturing Method Therefore, and Light Emission Device Using the Phosphor Public/Granted day:2009-10-29
Information query
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