The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 22, 2025
Filed:
Aug. 09, 2021
Lg Electronics Inc, Seoul, KR;
Heungsik Choi, Seoul, KR;
LG ELECTRONICS INC., Seoul, KR;
Abstract
A refrigerator according to an embodiment of the present disclosure includes a first storage compartment, a cavity, a heat source, a cold source, a water molecule freezing preventing device, and a controller configured to control an output of at least one of the heat source, the cold source, or the water molecule freezing preventing device, wherein the controller is configured to perform a first operation step to operate based on the first notch temperature for a cooling operation, a second operation step to operate based on a second notch temperature for a heating operation, and a third operation step to operate based on a third notch temperature for the cooling operation, the second notch temperature is higher than 0° C., cold in the first storage chamber increases in the first operation step and the third operation step, and the cold decreases in the second operation step. Accordingly, it is possible to efficiently supply the cold or heat until reaching a supercooling maintenance section.