US 12,435,922 B2
Refrigerator, method for controlling the refrigerator, home appliance, control system of the home appliance
Yoonjung Hong, Seoul (KR); Kunwoo Lee, Seoul (KR); Heekyung Kang, Seoul (KR); and Yongbeom Ma, Seoul (KR)
Assigned to LG Electronics Inc., Seoul (KR)
Filed by LG Electronics Inc., Seoul (KR)
Filed on Feb. 23, 2024, as Appl. No. 18/586,094.
Application 18/586,094 is a continuation of application No. 18/086,128, filed on Dec. 21, 2022, granted, now 11,940,208.
Claims priority of application No. 10-2021-0184114 (KR), filed on Dec. 21, 2021.
Prior Publication US 2024/0191939 A1, Jun. 13, 2024
Int. Cl. F25D 27/00 (2006.01); F25D 23/02 (2006.01); H05B 47/105 (2020.01)
CPC F25D 27/005 (2013.01) [F25D 23/028 (2013.01); H05B 47/105 (2020.01); F25D 2327/001 (2013.01)] 19 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 comprising (i) a front plate that defines an outer appearance of the door and (ii) a light source configured to emit light to thereby provide the light through the front plate;
an output interface disposed at the cabinet or the door and configured to output a sound; and
a controller configured to:
identify a color that is preset to be associated with the sound, and
control the light source to emit the light in the color and to change the color while the sound is output from the output interface,
wherein the door further comprises:
a light guide plate configured to guide the light from the light source, and
a diffusion member disposed between the front plate and the light guide plate and configured to diffuse the light,
wherein the diffusion member comprises:
a front portion that is in contact with the light guide plate,
an upper extension portion that extends from an upper side of a rear surface of the front portion, and
a lower extension portion that extends from a lower side of the rear surface of the front portion, and
wherein the light guide plate is positioned between the upper extension portion and the lower extension portion of the diffusion member.