Patent 11105547 was granted and assigned to SAMSUNG ELECTRONICS CO., LTD. on August, 2021 by the United States Patent and Trademark Office.
Disclosed is an ice making device that is able to selectively make ices having different transparencies from each other. The ice making device includes: an ice making chamber including an ice making container to accommodate ice making water therein; a cooler configured to supply cool air to the ice making chamber to cool the ice making water; an ice making fan configured to circulate the supplied cool air; an ice making heater configured to supply heat to the ice making water when the ice making water is cooled; and a controller configured to control at least one of the cooling unit, the ice making fan and the ice making heater to adjust a rate of change of temperature of the ice making container to generate one of two types of ice having different transparency.