Abstract: The refrigerator of the present invention comprises: a storage chamber for storing food; a first ice-maker comprising a tray assembly which forms an ice-making cell in which space water undergoes a phase change into ice due to the cold; a second ice-maker arranged in an ice-making chamber which is partitioned from the storage chamber; a cooler for supplying the cold to the storage chamber and the ice-making chamber; an ice bin for storing ice generated by the second ice-maker; a water supply unit for supplying water to the ice-making cell; a heater for supplying heat to the ice-making cell; and a controller for controlling the heater. The controller turns on the heater in at least some period while the cooler is supplying the cold, so that bubbles dissolved in the water in the ice-making cell move toward the water in a liquid state from a portion where the ice is generated and transparent ice can be generated.

Abstract: The refrigerator according to the present invention comprises: a storage compartment for storing food; a cooler for supplying cold to the storage compartment; a first tray assembly forming a part of ice-making cells which are where water changes phase to ice due to the cold; a second tray assembly forming the other part of the ice-making cells; a heater located adjacently to the first tray assembly and/or the second tray assembly; and a control unit for controlling the heater. Any one of the first and second tray assemblies has a greater degree of cold transfer than the other tray assembly.

Abstract: A refrigerator according to the present invention comprises: a storage chamber in which food is stored; a cold air supply means for supplying cold air to the storage chamber; a tray forming an ice-making cell as a space in which water undergoes a phase change to ice by means of the cold air; a heater for supplying heat to the tray; and a controller for controlling the heater. The controller starts ice-making after water supplied to the ice-making cell by a first amount of water supply is completed. The controller turns on the heater in at least a part of a range in which the cold air supply means supplies cold air such that air bubbles dissolved in water inside the ice-making cell can move from ice-generating parts to liquid-state water, thereby generating transparent ice. The controller determines whether or not the heater is functioning abnormally in the ice-making process.

Abstract: A refrigerator according to the present disclosure includes a storage chamber configured to store food, a cooler configured to supply cold to the storage chamber, a first temperature sensor configured to sense the temperature in the storage chamber, a first tray configured to form a portion of an ice making cell that is a space in which water is phase-changed into ice by the cold, a second tray configured to form another portion of the ice making cell, a water supply part configured to supply water to the ice making cell, a second temperature sensor configured to sense the temperature of water or ice in the ice making cell, a heater configured to be positioned adjacent to at least one of the first tray and the second tray, and a controller configured to control the heater, in which the controller controls the degree of supercooling of water to be reduced in at least one or more of a first section from the completion of a preparation step for water supply until the start of the water supply, a second section f

Abstract: The refrigerator according to the present invention may comprise: a first tray forming a part of ice-making cells; and a second tray assembly forming the other part of the ice-making cells. The first tray assembly comprises a first tray and a first tray case which supports the first tray, and the second tray assembly comprises a second tray and a second tray case which supports the second tray, and the degree of adhesion of ice to any one of the first and second trays is smaller than the degree of adhesion of ice to any one of the first and second tray cases or the degree of adhesion of ice to a metal.

Abstract: Provided is a refrigerator. The refrigerator may include a first tray assembly defining a portion of an ice making cell and a second tray assembly defining another portion of the ice making cell. The refrigerator may further include a pusher provided with a first edge on which a surface configured to press one or more of the first and second tray assemblies is disposed to easily separate the ice from the tray assemblies, a bar extending from the first edge, and a second edge disposed at an end of the bar. At least one of the pusher or the second tray assembly may move so as to change a relative position between the pusher and the second tray assembly.

Abstract: A refrigerator includes a first tray forming a part of an ice-making cell in which water undergoes a phase change to ice due to the cool air, a second tray forming another part of the ice-making cell and in contact with the first tray during an ice-making process, a water supply to supply water to the ice-making cell, a heater which is adjacent to at least one of the first tray or the second tray; and a controller to control the heater. The second tray is moveable with respect to the first tray, and the controller is configured to control a movement of the second tray.

Abstract: An ice maker, according to the present invention, comprises: a first tray forming a part of an ice-making cell; a second tray forming another part the ice-making cell; and a heater which is disposed so as to be adjacent to the first or the second tray, wherein the heater turns on during a period when cold air is being supplied to the ice-making cell, and the output of the on heater can vary.

Abstract: A refrigerator of the present disclosure turns on a heater, which supplies heat to an ice making cell, in at least partial section while a cooler supplies cold to the ice making cell so that bubbles dissolved in the water within the ice making cell moves from a portion, at which the ice is made, toward the water that is in a liquid state to make transparent ice. A defrosting process may be performed when a defrosting start condition is satisfied in a state in which the heater is turned on. In this case, the amount of cold supply of the cooler in the defrosting process can be reduced more than the amount of cold supply of the cooler before the defrosting start condition is satisfied.

Abstract: The present invention relates to a refrigerator. A refrigerator of the present invention may comprise: a first tray assembly forming a part of an ice making cell; and a second tray assembly forming another part of the ice making cell. The first tray assembly includes a first tray defining a part of the ice making cell and a first tray case supporting the first tray, and the second tray assembly includes a second tray defining another part of the ice making cell and a second tray case supporting the second tray. One of the first and second tray cases includes a first region having a through-hole and a second region having a shape corresponding to the ice making cell to support one of the first and second trays.

Abstract: The present invention relates to a refrigerator. The refrigerator according to the present invention comprises: a first tray forming a part of an ice-making cells; a second tray forming the other part of the ice-making cells; a heater for supplying heat to the ice making cells; a cooler for supplying cold to a storage compartment; and a control unit for controlling the heater and the cooler. The operation modes of the refrigerator include a first mode and a second mode. The control unit may control so that either or both of the amounts of cooling by the cooler and the amount of heating by the heater vary in the first mode and the second mode.

Abstract: Provided is a refrigerator in which a heater disposed at a side of a first tray or a second tray may be turned on in at least partial section while a cold air supply part supplies cold air to an ice making cell so that bubbles dissolved in water within the ice making cell move from a portion at which ice is made toward liquid water to make transparent ice, and one or more of the cooling power of the cold air supply part and the heating amount of heater may be controlled according to a mass per unit height of the water in the ice making cell so that the transparency is uniform for each unit height of the water in the ice making cell.

Abstract: A refrigerator may include a first tray assembly forming a part of an ice making cell, a second tray assembly forming another part of the ice making cell, heater provided adjacent to at least one of the first or second tray assemblies, a driver connected to the second tray assembly, and a control unit to control the heater and the driver. The driving unit includes a cam capable of being connected to the second tray assembly, and a path in which a lever moves is formed inside the cam.

Abstract: An ice maker, according to the present invention, comprises: a first tray forming part of an ice-making cell; a second tray forming another part of the ice-making cell; and a heater which is disposed so as to be adjacent to the first or the second tray, wherein the heater operates during a period when cold air is supplied to the first tray and the second tray and ice making takes place, and supplies heat to the first tray and/or the second tray.

Abstract: The refrigerator according to the present invention may comprise: a first tray assembly forming a part of ice-making cells; and a second tray assembly forming the other part of the ice-making cells. In order that ice can be produced in the direction of ice-making cells formed by any one of the first and second tray assemblies to ice-making cells formed by the other tray assembly, following the start of an ice-making process, the one tray assembly comprises a first part, and the first part comprises: a first surface forming a part of the ice-making cells; and a first deformation-resistant reinforcement part extending from the first surface in the vertical direction away from a heater.

Abstract: A refrigerator includes a storage chamber, a cooler configured to supply cold, a tray defining an ice making cell, a liquid supply configured to supply liquid, a temperature sensor, a heater configured to supply heat, and a controller configured to control the heater. The controller controls the heater to be turned on during ice making to make transparent ice. The controller variably controls a heating amount of the heater so that an ice making rate is maintained within a predetermined range. When a defrosting start condition is satisfied in the ice making process, the controller performs a defrosting process.

Abstract: The refrigerator according to the present invention comprises: a first tray forming a part of ice-making cells which are where water changes phase into ice due to cold air; a second tray forming the other part of the ice-making cells; and a temperature sensor for sensing the temperature of the water or ice in the ice-making cells, wherein the temperature sensor comes into contact with the first tray and/or the second tray.

Abstract: The present invention relates to a refrigerator. The refrigerator of the present invention may include a first tray assembly configured to define one portion of an ice making cell, a second tray assembly configured to define the other portion of the ice making cell, and a heater disposed adjacent to at least one of the first and second tray assemblies, and a controller configured to control the heater. The refrigerator further include a pusher including a first edge having a surface pressing the ice or at least one of the first and second tray assemblies to easily separate the ice from the tray assemblies, a bar extending from the first edge, a second edge disposed at the end of the bar, and a guide connection part. The controller controls to move at least one of the pusher and the second tray assembly and to change a relative position between the pusher and the second tray assembly. The refrigerator further includes a guide slot providing a movement path of the guide connection part.

Abstract: A refrigerator according to the present disclosure includes a first tray configured to form a portion of an ice making cell, a second tray configured to form another portion of the ice making cell, a tray temperature sensor configured to sense the temperature of the ice making cell, a discharge spark generator disposed around one of the first tray and the second tray and including an electrode, and a controller configured to control the discharge spark generator to generate a spark from the electrode when it is determined that the water in the ice making cell is supercooled based on the temperature measured by the tray temperature sensor.

Abstract: A refrigerator of the present disclosure can include an ice making cell, a heater configured to supply heat to the ice making cell during an ice making process, and a controller configured to control the heater. The process for controlling the heater includes a basic heating process and an additional heating process that is performed after the basic heating process. In the basic heating process, the controller performs control so that a heating amount of the heater varies according to a mass per unit height of water in the ice making cell. In at least partial section of the additional heating process, the controller controls the heater to operate with a heating amount that is equal to or less than a heating amount of the heater in the basic heating process.