公开(公告)号：US5853614A

公开(公告)日：1998-12-29

申请号：US897000

申请日：1997-07-21

申请人： Qinglong Hao ,  Qian Xu ,  Jun Li ,  Pengcheng Li ,  Baochan Liu ,  Atsushi Ogura ,  Qingfen Hao

发明人： Qinglong Hao ,  Qian Xu ,  Jun Li ,  Pengcheng Li ,  Baochan Liu ,  Atsushi Ogura ,  Qingfen Hao

IPC分类号： C09D5/22 ,  C09K11/77 ,  C09K11/08 ,  C09K11/55 ,  C09K11/63

CPC分类号： C09D5/22 ,  C09K11/774 ,  C09K11/7797

摘要： Long decay luminescent materials having improved long decay time and improved high brightness is represented by the formula as Sr.sub.0.9995 .about..sub.0.998 Eu.sub.0.0005 .about..sub.0.002)Al.sub.2 O.sub.4 .multidot.(Sr.sub.0.9995 .about..sub.0.998 Eu.sub.0.0005 .about..sub.0.002)O .multidot.n(Al.sub.1-a-b B.sub.b Dy.sub.a).sub.2 O.sub.3 in it a=0.0005.about.0.0002, b=0.0001.about.0.35, n=1.about.8 and the method for manufacturing the long decay luminescent materials is characterized in heating the raw materials as SrCo.sub.3, .alpha. type alumina, .gamma. type alumina, boron-containing compound, Eu.sub.2 O.sub.3 and Dy.sub.2 O.sub.3 gradually from 400.degree. C. up to 1250.degree. C..about.1600.degree. C. during 7.about.10 hours, firing it at 1250.degree. C..about.1600.degree. C. for 3.about.5 hours and then cooing it gradually from 1250.degree. C..about.1600.degree. C. down to 200.degree. C. during 7.about.10 hours and the heating, firing and cooling processes are all conducted under the condition of existence of carbon.

摘要翻译： 具有改善的长衰减时间和改善的高亮度的长衰减发光材料由以下公式表示：Sr0.9995 DIFFERENCE 0.998Eu0.0005差异0.002）Al 2 O 4 x（Sr 0.9995差异0.998 Eu 0.0006 D 0.02 0.002）O xn（Al 1-a- bBbDya）2O3其中a = 0.0005差异0.0002，b = 0.0001分辨率0.35，n = 1差分8及其制造长衰变发光材料的方法的特征在于将原料加热为SrCo 3，α型氧化铝，γ型氧化铝， 含硼化合物，Eu 2 O 3和Dy 2 O 3从400℃逐渐降至1250℃。差速1600℃，7℃差10小时，在1250℃下焙烧5分钟，然后3小时 在12小时内将其从1250℃降温至1600℃，达到200℃，加热，焙烧和冷却过程均在碳存在的条件下进行。