Patent ID: 7115913
Filing Date: 2006-10-03
Classification: G02F,H01L

Abstract:
1. An array substrate for a display device comprising: a substrate; a first electrically conductive film formed over said substrate; a first insulation film formed on said first electrically conductive film, said first insulation film having a first contact hole on a place corresponding to said first electrically conductive film; a second electrically conductive film; a second insulation film having a second contact hole, said second contact hole being covered with said second electrically conductive film to define an aperture; and a third electrically conductive film formed on said first insulation film and connected to said first electrically conductive film, wherein an upper end portion of said first contact hole of said first insulation film is substantially the same in diameter as said aperture defined in said second contact hole covered with said second electrically conductive film.