Abstract: A field emission cathode capable of permitting a display to be carried out at increased density and a circuit incorporated therein together with an FEC to exhibit satisfactory characteristics and being driven according to a static drive system. A plurality of control lines and data wires are arranged in a matrix-like manner on a monocrystalline Si substrate, to thereby form element regions on the substrate. The element regions each are formed therein with a circuit element, on which a field emission section is laminated. The circuit elements each include a first transistor connected to both data wire and control wire and functioning as a switching element, a capacitor serving as a circuit for storing therein a signal input thereto, and a second transistor for amplifying a signal input thereto and feeding it to the field emission section.

Abstract: A logic circuit comprising a multi-input NOR gate, a plurality of load field-effect transistors (FET's) and a driving FET, the load FET's and driving FET being connected in series with each other between power sources and the logical output being derived from the connection points of the load FET's and the driving FET. The inputs of the NOR gate are the same as that of the load FET's. The inputs of the NOR gate are connected to the corresponding gates of the load FET's and the output of the NOR gate is connected to the gate of the driving FET.