Patent ID: 6947115

Claim:
A liquid crystal display device comprising: a first substrate and a second substrate with a liquid crystal layer interposed therebetween; plurality of gate signal lines formed on the first substrate, and a plurality of drain signal lines formed on the first substrate so as to intersect with the plurality of gate signal lines, thereby to form pixel regions; a plurality of switching elements operable by a scan signal from a gate signal line, at least a pixel electrode to which an image signal is supplied through a switching element from a drain signal line in each pixel region, and at least a counter electrode for creating an electric field with the pixel electrode being provided in each pixel region; wherein at least one counter electrode is arranged along a running direction of a drain signal line and overlaps with the drain signal line, with a dielectric film being disposed therebetween, at least one counter electrode or counter voltage signal line being integrated with the counter electrode is arranged along a running direction of said gate signal line and overlaps with said gate signal line, with the dielectric film being disposed therebetween; and said dielectric film is comprised of a sequential lamination of at least a protective film made of an inorganic material and a protective film made of an organic material, wherein an opening is formed at part of said protective film made of the inorganic material in a region underlying at least either one of said counter voltage signal line and said counter electrode, the opening being filled with the protective film made of the organic material.