TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Composition: The conductive paste composition further comprises silver powder and aluminum powder. The lead-free glass frit comprises lead-free complex powder comprising silicon dioxide-aluminum dioxide-boron oxide group, silicon dioxide-aluminum dioxide-boron oxide-magnesium oxide group, silicon dioxide-aluminum dioxide-boron oxide-zirconium oxide group, silicon dioxide-aluminum dioxide-boron oxide-zinc oxide group, silicon dioxide-aluminum dioxide-boron oxide-magnesium oxide-zirconium oxide group, silicon dioxide-aluminum dioxide-boron oxide-zirconium oxide-zinc oxide group, silicon dioxide-aluminum dioxide-boron oxide-magnesium oxide-zirconium oxide-zinc oxide group, silicon dioxide-aluminum dioxide-boron oxide group, silicon dioxide-aluminum dioxide-boron oxide-magnesium oxide group, silicon dioxide-aluminum dioxide-boron oxide-zirconium oxide group, silicon dioxide-aluminum dioxide-boron oxide-zinc oxide group, silicon dioxide-aluminum dioxide-boron oxide-magnesium oxide-zirconium oxide group, silicon dioxide-aluminum dioxide-boron oxide-zirconium oxide-zinc oxide group or silicon dioxide-aluminum dioxide-boron oxide-magnesium oxide-zirconium oxide-zinc oxide group.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: The organo-metallic compound comprises aluminum formate, aluminum oxalate, aluminum citrate, aluminum propionate, aluminum lactate, aluminum acetate, aluminum isooctanoate and/or aluminum benzoate, and organic component comprising metal and carboxyl group, mercapto group, amino group, ester group, butyl radical and/or sulfite radical based aromatic or aliphatic hydrocarbon compound, and first organo-metallic compound selected from silver formate, silver oxalate and/or silver citrate, and second organic silver compound selected from silver butylate, silver propionate, silver malonate, silver acetate, silver succinate, silver maleate, silver-trimesinate, silver terephthalate and/or silver benzoate.