Electromagnetic wave absorbing materials comprising magnetic alloy particles and an insulating matrix are disclosed. The device includes a light guide housing and a single Light Emitting Semiconductor Device. Alternatively, an annular nonmagnetic material is provided on an outer peripheral portion of the rotor so as to cover the open letter-shaped permanent magnets and magnetic material portions inside the open-letter portions, whereby the rotor core is made resistant against breakage, and the flux leakage is minimized. Methods of forming displays that include dispensing the green inks by inkjetting onto a substrate and displays that include the green inks are also provided. Upon reaching the SIP-based network, Session Border Controllers process the signaling.