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1. 发明公开

EP2067840A1 FLUORESCENT SUBSTANCE, FLUORESCENT SHEETS, PROCESS FOR PRODUCTION OF THE FLUORESCENT SUBSTANCE, AND LIGHT-EMITTING DEVICES MADE BY USING THE SUBSTANCE 有权转让
标题翻译：荧光物质，荧光膜，工艺用于生产荧光物质和物质使用MACH END照明灯装置
公开(公告)号：EP2067840A1
公开(公告)日：2009-06-10
申请号：EP07807692.4
申请日：2007-09-21
申请人： DOWA Electronics Materials Co., Ltd.
发明人： GOTOH,Masahiro , SAKANE, Kenji
IPC分类号： C09K11/64 , C09K11/08 , H01J29/20
CPC分类号： C09K11/7734 , C09K11/0883
摘要： To provide a phosphor given by a general composition formula expressed by MmAaBbOoNn:Z, (wherein 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 activating agent, satisfying m > 0, a > 0, b > 0, o ≥ 0, and n > 0), with a change rate of a ratio of element B atoms to the total numbers of atoms being smaller by 10% or the change rate of oxygen atoms to the total numbers of atoms being smaller by 40% in a range from a particle surface up to depth 2000nm, having a broad emission spectrum in a range of blue color, having a broad flat excitation band in a range of near ultraviolet/ultraviolet, and having excellent emission efficiency, emission intensity, and luminance.
摘要翻译：提供一种通过由MmAaBbOoNn过表达的组成通式给出的磷光体：Z，（worin元素M是具有二价化合价的元素的一种或多种，A元素是具有三价化合价的元素的一种或两种以上，B元素是一种或多种种具有四价的化合价的元素，O是氧，N是氮，Z元素是活化剂，m> 0，a> 0时，b> 0，邻‰¥0的一种或多种，并且n> 0）与元件B原子的比例的变化率，以原子为的总数的10％更小的原子或氧原子的变化率的原子在一个范围内的40％更小的总数从颗粒表面到深度2000nm的，具有范围蓝色的宽的发射光谱，具有宽且平坦的激发范围近紫外/紫外的捆绑，并且具有优异的发光效率，发光强度，亮度和。

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