Patent ID: 7910507

Claim:
A glass ceramic material for plasma display, comprising: 40-70 wt % of glass fine grains (A) having a softening point of 570-640° C., and 30-60 wt % of glass fine grains (B) having a softening point of 480-540° C. wherein the glass fine grains (A) comprise 2-12 wt % of SiO 2 , 50-58 wt % of B 2 O 3 , 10-20 wt % of Al 2 O 3 , 0-6 wt % of ZnO, 0-2.8 wt % of Li 2 O, and 10-22 wt % of at least one selected from MgO, CaO, SrO and BaO, and wherein refractive index of the glass fine grains (A) is 1.53-1.56.