A current drive circuit which can improve a rate for signal writing and a driving rate of an element even when a signal current is small, and a display device using the current drive circuit are provided. The holder is preferably configured so that the body includes an outer wall extending vertically upwardly from the base to form a receptacle including an inner cavity having a floor and a mouth opening having a mouth rim, the receptacle, mouth opening and inner cavity being suitably dimensioned for receiving a beverage container therein, to thereby define a beverage container holder. When an iris is essentially circular, the member with a corresponding face is considered to be engaged. A cross-point switch routes each incoming signal to a selected processor and can re-route a channel to another processor in the event of processor outage.