Patent ID: 8023174

Claim:
A micro electro-mechanical system (MEMS) array substrate, comprising: a substrate; a plurality of first signal lines disposed on the substrate in parallel with one another; a plurality of second signal lines disposed on the substrate in parallel with one another, wherein the second signal lines intersect with the first signal lines, and thus a plurality of pixel regions are defined on the substrate; a plurality of MEMS switches disposed at intersections between the first signal lines and the second signal lines, wherein each MEMS switch comprises: a first metal layer disposed on the substrate and electrically connected to corresponding one of the first signal lines; an insulating layer disposed on the first metal layer; a second metal layer disposed on the insulating layer; and a third metal layer disposed above the second metal layer and electrically connected with corresponding one of the second signal lines, wherein an insulating cavity is formed between the third metal layer and the second metal layer; and a plurality of pixel electrodes disposed on the pixel regions and electrically connected with the second metal layers of the MEMS switches respectively.