Refrigerator

A refrigerator comprising:

• a cabinet having a storage space;
• a door that opens and closes the storage space;
• an ice making chamber wall provided in the door and that forms an ice making chamber;
• an ice maker provided in the ice making chamber and configured to generate ice;
• an ice bin configured to store ice generated by the ice maker;
• and
• a dispenser provided in the door and configured to discharge ice stored in the ice bin,
• wherein the ice maker includes a first tray assembly to define a portion of an ice making cell, which is a space where water is phase-changed into ice by cold air;
• a second tray assembly to define another portion of the ice making cell;
• and
• a cold air guide that provides a path for supplying cold air introduced through a through hole in the ice making chamber wall to the ice making cell,
• wherein the cold air guide includes a first opening communicating with the through hole, and
• a second opening which is a path through which cold air flows from an inside of a space formed by the cold air guide to an outside of the space formed by the cold air guide.

The refrigerator of claim 19,

• wherein the first tray assembly includes:
• a first tray that forms a portion of the ice making cell, and
• a first tray cover coupled to the first tray and that forms a cooling passage through which cold air flows between the first tray and the first tray, and
• wherein the cold air guide is in contact with at least one of the first tray or the first tray cover, or integrally formed with the first tray or the first tray cover.