There is provided a spread illuminating apparatus to make effective utilization of light emitted from a light source. Messages are transmitted to a remote host controller driver from a host controller associated with the local USB device. In contrast, esters of the phenolic groups in many cases do not hydrolyze under the same conditions. It is prepared by oxidation from zinc powder and at least one doping agent, wherein the process zones vaporisation, nucleation, oxidation and quenching are passed through and the doping agent is metered in in the nucleation zone, in which the temperature is below the boiling temperature of zinc. The device also contains standard electronic components, including a power source, central processing unit, visual and auditory outputs, and communications ports.