Patent ID: 7655161
Filing Date: 2010-02-02
Classification: C09D,H05K

Abstract:
1. A conductive ink composition comprising: 30 to 85 parts by weight of metal nanoparticles, wherein the particle size of the metal nanoparticles is 20 to 50 nm, and the metal nanoparticles are capped with any one or more dispersants selected from the group consisting of poly(vinyl pyrrolidone) (PVP), polyacids, and derivatives thereof; 10 to 60 parts by weight of solvent, wherein the solvent is a water or alcohol-based solvent; 10 to 30 parts by weight of a humectant, the humectant made of a diol or glycol base compound; and 0.1 to 10 parts by weight of an additive for adjusting viscosity, the additive made of an ethylene base ether compound.