Fluorescent lamp and phosphor coating composition used therefor,申请号US19820373262-传众专利搜索

Fluorescent lamp and phosphor coating composition used therefor

申请公布号：US4540915(A)

申请号：US19820373262

申请日期：1982.04.29

申请公布日期：1985.09.10

申请人：

HITACHI, LTD.

发明人：SHINKAI, KOUKI;HAGIWARA, NAOKI;NAKANO, MASAKI

分类号：C03C3/068;C03C3/15;C03C4/12;(IPC1-7):H01J1/63

主分类号：C03C3/068

摘要：A fluorescent lamp having a phosphor layer composed of a glass material represented by the general formula: xLn2O3.yMO.wM'.vM2''O.zB2O3 (wherein Ln is at least one element selected from the group consisting of Y and lanthanum series elements, M is at least one element selected from the group consisting of Mg, Ca, Sr, Ba and Zn, M' is at least one oxide selected from the group consisting of Al2O3, SiO2 and Sb2O3, M'' is at least one element selected from the group consisting of Li, Na and K, and x, y, z, w and v are the numerical values defined by 1</=x</=30, 0</=y</=60, 0</=w</=20, 0<v</=15 and 30</=z</=80 in molar percent, respectively, but y+w is a value defined by 0</=y+w</=60 in molar percent), and a phosphor. Said glass material is insoluble in water and can be worked into a water-soluble slurry with said phosphor and other component materials for forming a phosphor layer.