The liquid crystal display device with corrosion prevention of metal wiring portion is provided. The liquid crystal display apparatus, a plurality of thin film transistors are disposed at a predetermined side of the thin film transistor substrate and the thin film transistor substrate for the color filter substrate the liquid crystal panel and a liquid crystal panel, a liquid crystal is sealed in between the formed face arranged in a matrix array of thin film transistors and a plurality of metal wiring patterns to at least one of the plurality of metal wiring patterns to provide electrical signals to the liquid crystal panel and the printed circuit board, one end is attached to a printed circuit board receiving applying a drive signal from the printed circuit board is formed for driving electrically electrically connected to the plurality of metal wiring is formed, flexible member and the metallic wiring pattern formed on the liquid crystal panel or the printed circuit board is connected to and comprises a dummy pattern consisting of a large metal objects ionization tendency than the metal wiring pattern . A liquid crystal display device, TCP, FPC, corrosion, anodes