Invention Grant
- Patent Title: White phosphor, and white light-emitting equipment or device
- Patent Title (中): 白色荧光粉和白色发光设备或设备
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Application No.: US12227520Application Date: 2007-05-17
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Publication No.: US07659658B2Publication Date: 2010-02-09
- Inventor: Tomoyasu Yano , Asuka Sasakura , Jun-ichi Itoh
- Applicant: Tomoyasu Yano , Asuka Sasakura , Jun-ichi Itoh
- Applicant Address: JP Tokyo
- Assignee: Mitsui Mining & Smelting Co., Ltd.
- Current Assignee: Mitsui Mining & Smelting Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: The Webb Law Firm
- Priority: JP2006-139808 20060519; JP2007-113952 20070424
- International Application: PCT/JP2007/060564 WO 20070517
- International Announcement: WO2007/136105 WO 20071129
- Main IPC: H01J1/62
- IPC: H01J1/62 ; C09K11/59
Abstract:
A white phosphor is provided, which is a white phosphor comprising a single material, wherein the light-emitting center is one element other than Mn, and emitting white light having excellent color rendering properties by near ultraviolet excitation. The white phosphor is represented by the formula SraSbMgcZndSieOf:Eu2+ (with the proviso that when e=1, 0
Public/Granted literature
- US20090108732A1 White phosphor, and white light-emitting equipment of device Public/Granted day:2009-04-30
Information query
