Patent ID: 6309992
Filing Date: 2001-10-30
Classification: C03C,H01J

Abstract:
A dielectric forming material for use as a transparent dielectric layer formed on an inside surface of a front glass substrate in a plasma display panel, said dielectric forming material comprising powder of colored glass which essentially consists of a base glass and coloring ingredients added thereto, said coloring ingredients comprising CoO and NiO, and said colored glass is selected from the group consisting of(1) a glass containing 50-70 wt % PbO, 2-30 wt % B.sub.2 O.sub.3, 2-35 wt % SiO2, and 0-20 wt. % ZnO;(2) a glass containing 20-50 wt % PbO, 10-40 wt % B.sub.2 O.sub.3, 1-55 wt % SiO.sub.2, 0-30 wt % ZnO, and 0-30 wt % CaO+BaO+Bi.sub.2 O.sub.3 ; and(3) a glass containing 0-25 wt % PbO, 10-35 wt % B.sub.2 O.sub.3, 0.5-10 wt % SiO.sub.2, 20-45 wt % ZnO, and 20-60 wt % CaO+SrO+BaO+Bi.sub.2 O.sub.3.