Currently, Japanese conglomerate Mitsui Group has made a $3.5 million investment on LED lighting control developer Redwood Systems which computerized direct current lighting control systems aimed at improving energy efficiency. The system is capable of gathering data on things like temperature and room occupancy with sensors or motion detection cameras. That data can then be used to adjust lighting under the system's control. The system can also be set on a schedule via a Web-based platform. It uses servers to supply electricity to light fixtures via Ethernet cables usi...