Development device, process cartridge and image forming apparatus

A development device, comprising:

• a toner carrier, including:
• a plurality of long outside electrodes provided at intervals in a first predetermined depth position from a toner carrying surface, and a longitudinal direction of each outside electrode crossing a toner carrying direction:
• an inside electrode provided at least in a portion between the long outside electrodes in a second predetermined depth position deeper than the first predetermined depth;
• and
• an insulation layer between a layer having the outside electrodes and a layer having the inside electrode;
• and
• a voltage applier configured to apply a voltage which hops toners on the toner carrying surface to the inside electrode and the outside electrodes,
• the voltage applier configured to apply a voltage made of a DC component and an AC component having a phase opposite to each other to both of the inside electrode and the outside electrodes, or to apply a voltage made of the AC component and the DC component to one of the inside electrode and the outside electrodes and the voltage made of the DC component to the other electrode, and
• a value of the DC component of the voltage to be applied to each of the inside electrode and the outside electrode being different from one another.