US 12,487,026 B2
Refrigerator with interactive information and lighting effects and method for controlling same
Yongchul Shin, Seoul (KR); Yoon Ha, Seoul (KR); Minhyeok Kim, Seoul (KR); Joohee Son, Seoul (KR); and Jipyo Hong, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Filed by LG ELECTRONICS INC., Seoul (KR)
Filed on Nov. 14, 2022, as Appl. No. 17/986,577.
Claims priority of application No. PCT/KR2022/008295 (WO), filed on Jun. 13, 2022.
Prior Publication US 2023/0400249 A1, Dec. 14, 2023
Int. Cl. F25D 29/00 (2006.01); F21V 8/00 (2006.01); F25D 23/02 (2006.01); F25D 27/00 (2006.01); G06T 7/70 (2017.01); G06V 20/68 (2022.01); G06V 40/16 (2022.01); H04N 7/18 (2006.01)
CPC F25D 27/005 (2013.01) [F25D 23/028 (2013.01); G02B 6/0073 (2013.01); G06T 7/70 (2017.01); G06V 20/68 (2022.01); G06V 40/16 (2022.01); H04N 7/188 (2013.01); F25D 2327/001 (2013.01); F25D 2400/361 (2013.01); F25D 2700/06 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A refrigerator comprising:
a cabinet for defining a space;
a first display door for opening and closing the space, the first display door including a display panel configured to output content and a front camera;
a second door for opening and closing the space; and
a controller configured to control the display panel of the first display door and the light sources in the second door,
wherein the second door includes:
a front plate;
a light guide plate configured to guide light to the front plate; and
the light sources configured to irradiate color light to the light guide plate and when the light sources are turned on, the front plate is configured to emit light in a first color, and
wherein the controller is further configured to:
recognize a face of a first user via the front camera;
receive a name corresponding to the first face via the display panel;
map the face to the name, and store a mapping of the face and the name in a database;
receive a memo via the display panel from a second user, the memo containing the name corresponding to the first user and information about a first food, and
in response to recognizing the face corresponding to the first user via the front camera after giving the memo, change a color of a partial region of one of the first display door and the second door corresponding to a location of the first food.