Patent ID: 8027009
Filing Date: 2011-09-27
Classification: G02F,H01L

Abstract:
1. A liquid crystal display device comprising: a liquid crystal panel including gate pads connected to gate lines and data pads connected to data lines; at least one driving circuit mounted on a circuit substrate including poly-silicon thin-film transistors, formed by a low temperature poly-silicon (LTPS) process, and including circuit pads to be connected to the gate pads or data pads; a conductive film including conductive balls that electrically connect the driving circuit and the gate pads or data pads; and wherein each circuit pad of the driving circuit includes a lower pad, a protective layer having a plurality of contact holes to expose the lower pad; and wherein gate pads or data pads includes a lower pad, a protective layer having a contact hole to expose the lower pad and an upper pad connected to the lower pad through the contact hole and be formed in the contact hole and covered the protective layer.