A diode device can include an enhancement mode gallium nitride transistor having a gate, a drain and a source, wherein the gate is connected to the drain to enable the device to perform as a diode. In some embodiments, an integrated switching-diode is described that includes a substrate, a gallium nitride...http://www.google.com/patents/US20090072269?utm_source=gb-gplus-sharePatent US20090072269 - GALLIUM NITRIDE DIODES AND INTEGRATED COMPONENTS