US 12,228,332 B2
Home appliance and refrigerator
Yoonjung Hong, Seoul (KR); Heekyung Kang, Seoul (KR); Yongbeom Ma, Seoul (KR); and Kunwoo Lee, Seoul (KR)
Assigned to LG Electronics Inc., Seoul (KR)
Filed by LG Electronics Inc., Seoul (KR)
Filed on Nov. 9, 2023, as Appl. No. 18/388,406.
Application 18/388,406 is a continuation of application No. 17/975,938, filed on Oct. 28, 2022, granted, now 11,852,402.
Claims priority of application No. 10-2021-0146677 (KR), filed on Oct. 29, 2021.
Prior Publication US 2024/0077252 A1, Mar. 7, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. F25D 27/00 (2006.01); F21V 23/04 (2006.01); F25D 23/02 (2006.01)
CPC F25D 27/005 (2013.01) [F21V 23/0435 (2013.01); F21V 23/0464 (2013.01); F21V 23/0471 (2013.01); F25D 23/028 (2013.01); F25D 2327/001 (2013.01); F25D 2700/04 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An appliance comprising:
a cabinet that defines a storage space;
a door configured to open and close at least a portion of the storage space, the door including a light source;
a user detection sensor disposed at the cabinet or the door and configured to detect a proximity of a user from the appliance; and
a controller configured to control the light source of the door,
wherein the controller is configured to:
receive a reference distance that is set or changed via (i) a manipulator of the appliance or (ii) a remote device, and
control the light source of the door to change from a first state to a second state based on the user detection sensor detecting the user within the reference distance, and
wherein the controller is configured to set the reference distance to be changeable based on a current time.