Circuit testers including thin film transistors; electric meters including thin film transistors; liquid crystal display devices including thin film transistors, namely, LCD panels, LCD televisions, LCD monitors and LCD modules; display devices using electrophoresis elements including thin film transistors, namely, electrophoretic display panels, electrophoretic display televisions, electrophoretic display monitors, and electrophoretic display modules; GPS navigation devices including thin film transistors; portable telephones including thin film transistors; televisions including thin film transistors; portable computer terminals for displaying electronic publications including thin film transistors; computer terminals for displaying electronic publications including thin film transistors; computers and computer peripheral devices including thin film transistors; notebook computers including thin film transistors; laptop computers including thin film transistors; PC tablets including thin film transistors; personal computers including thin film transistors; microcomputers including thin film transistors; computer motherboards including thin film transistors; computer monitors including thin film transistors; touch panels for computers including thin film transistors; touch panels for mobile data terminal including thin film transistors; semiconductor power elements including thin film transistors; electronic appliances equipped with semiconductor power elements including thin film transistors, namely, electronic display boards, smart phones, digital cameras, camcorders, digital photo frames, digital audio players; electronic tags for goods including thin film transistors; cards with integrated circuits including thin film transistors; electronic card readers for integrated circuits including thin film transistors; magnetic coded card readers including thin film transistors; electronic card writers for integrated circuits including thin film transistors; magnetic coded card writers including thin film transistors; radio transmitters and receivers including thin film transistors; semiconductor memory units including thin film transistors; computer chips including thin film transistors; integrated circuits including thin film transistors; semiconductor integrated circuits having central processing unit including thin film transistors; and microprocessors including thin film transistors