US Patent 7420646 Seal pattern for liquid crystal display device

A seal pattern on a substrate for a liquid crystal display device includes a plurality of main seal patterns along first and second direction, a dummy seal pattern between the adjacent main seal patterns along the first direction, a first sub-seal pattern surrounding the plurality of main seal patterns, and a second sub-seal pattern at an exterior of the first sub-seal pattern, the second sub-seal pattern corresponding to a borderline between the adjacent main seal patterns along the second direction.