Image Number 10 for United States Patent #7618151.
A substitute for a conventional incandescent light bulb includes a CFL with a specially equipped base structure disposed between the male connector and the coiled fluorescent tube. The modified base includes an active vapor dispenser and, preferably, a heater for increasing and/or controlling the rate of active vapor emission. The male connector may be a threaded male Edison-type connector or any other type of male connector for use with female light sockets. The disclosed devices provide an energy-efficient source of white light and controlled active or fragrance emission. The base may also be equipped with one or more electrical connection ports for connection the base to one or more accessories such as volatile active dispensers or colored light emitting devices.