Patent ID: 7678296

Claim:
A single layer electrode of a flat panel display formed from a composition comprising, based on total composition weight percent: (1) 40-70 weight percent of conductive metal particles selected from the group consisting of gold, silver, platinum, palladium, copper and mixtures thereof; (2) Particles selected from the group consisting of: (a) 0.5 to less than 3 weight percent of conductive metal oxides with metallic conductivity selected from the group consisting of RuO 2 , ruthenium polyoxide, and mixtures thereof; (b) 0.5 to less than 3 weight percent non-conductive oxide(s) selected from the group consisting of Cr—Fe—Co oxide, Cr—Cu—Co oxide, Cr—Cu—Mn oxide, Co 3 O 4 and mixtures thereof; (c) 0.5 to 15 weight percent of metal oxide with metallic conductivity selected from an oxide of two or more elements, said elements selected from the group consisting of Ba, Ru, Ca, Cu, Sr, Bi, Pb, and the rare earth metals, wherein said metal oxide of (c) has a surface area to weight ratio in the range of 2 to 20 m 2 /g; and (d) mixtures thereof; (3) 25-59 weight percent organic matter comprising organic polymer binder and organic solvent; and (4) 0.5-20 weight percent of one or more lead-free bismuth glass binders wherein said glass binder comprises, based on weight percent total glass binder composition: 55-85% Bi 2 O 3 , 0-20% SiO 2 , 0-5% AI 2 O 3 , 2-20% B 2 O 3 , 0-20% ZnO, 0-15% of one or more of oxides selected from the group consisting of BaO, CaO, and SrO; and 0-3% of one or more of oxides selected from the group consisting of Na 2 O, K 2 O, Cs 2 O, Li 2 O and mixtures thereof; and wherein the softening point of said glass binder is in the range 400-600° C.; and wherein said composition is characterized by being lead-free.