A wide viewing angle fringe field multi-domain vertically aligned LCD panel and a method for fabricating the panel are disclosed. The leaf spring has a spring structure with two or more independent elastic degrees of freedom. The server generates one or more filters based on the malware definitions and distributes the filter to client devices. At least one of the user-selectable options can be presented along each of the four sides of the outer border of the border menu. The resultant force is then converted into mechanical energy which operates a suspended air screw to rotate, so as to drive a magneto generator to convert into an electric current which is used for illuminating through an access control.