... hard coating,used for 3d movie and 3d TV etc.Product structure:stainless steel frame,nylon ... 125nm/138nm.Usage area:3D movie,family 3D TV.Unipolar Optics-Electrical Technology Co., Ltd,founded in ... optical glasses,3D active shutter glasses,3D system solution,3D playback system,3D game system,3D image ... production,optics and production technology for 3D TV and so on.Our main products include 3D ...