US 12,442,584 B2
Refrigerator
Chanuk Kang, Seoul (KR); Sanghun Cho, Seoul (KR); Changjae Lee, Seoul (KR); Yonghyun Cho, Seoul (KR); and Dongrim Woo, Seoul (KR)
Assigned to LG Electronics Inc., Seoul (KR)
Appl. No. 17/782,418
Filed by LG Electronics Inc., Seoul (KR)
PCT Filed Oct. 28, 2020, PCT No. PCT/KR2020/014798
§ 371(c)(1), (2) Date Jun. 3, 2022,
PCT Pub. No. WO2021/112409, PCT Pub. Date Jun. 10, 2021.
Claims priority of provisional application 62/953,988, filed on Dec. 27, 2019.
Claims priority of provisional application 62/944,338, filed on Dec. 5, 2019.
Prior Publication US 2023/0332822 A1, Oct. 19, 2023
Int. Cl. F25D 23/02 (2006.01); G06T 5/50 (2006.01)
CPC F25D 23/028 (2013.01) [G06T 5/50 (2013.01); F25D 2323/023 (2013.01); F25D 2400/36 (2013.01); F25D 2700/02 (2013.01); G06T 2207/20221 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A refrigerator comprising:
a cabinet that defines a first storage space;
a main door configured to open and close at least a portion of the first storage space, the main door defining an opening and a second storage space;
a sub door disposed at a front of the main door and configured to open and close the opening of the main door, the sub door comprising:
a panel assembly comprising (i) a front panel that defines a front surface of the sub door and is made of a glass material or a transparent plastic material, (ii) an insulating panel spaced apart from the front panel, and (iii) a frame disposed between the front panel and the insulating panel, and
a door liner having a liner opening that is covered by the insulating panel; and
a camera assembly disposed at the door liner of the sub door and configured to capture one or more images of the second storage space based on the sub door being opened in a state in which the main door is closed.