Camera module having a buffer unit

An optical image stabilization (OIS) unit, comprising:

• a base;
• a holder module comprising an outer blade spaced apart from the base, a bobbin disposed in the outer blade, and a spring member connecting the bobbin and the outer blade;
• a first coil disposed on the bobbin;
• a magnet configured to move the bobbin by interacting with the first coil;
• a second coil configured to move the holder module by interacting with the magnet;
• a wire supporting the holder module;
• a solder coupled to the wire;
• and
• a buffer unit connected to the solder,
• wherein the buffer unit comprises a bent shape forming an acute angle.

An optical image stabilization (OIS) unit, comprising:

• a base;
• a holder module comprising an outer blade spaced apart from the base, a bobbin disposed in the outer blade, and a spring member connecting the bobbin and the outer blade;
• a first coil disposed on the bobbin;
• a magnet configured to move the bobbin by interacting with the first coil;
• and
• a second coil configured to move the holder module by interacting with the magnet.