US 12,185,849 B2
Refrigerator having panel assembly covering opening of outer plate of door
Jisu Park, Seoul (KR); and Taehoon Choi, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Filed by LG ELECTRONICS INC., Seoul (KR)
Filed on Jun. 21, 2023, as Appl. No. 18/212,394.
Application 18/212,394 is a continuation of application No. 18/097,614, filed on Jan. 17, 2023, granted, now 11,779,135.
Application 18/097,614 is a continuation of application No. 17/557,536, filed on Dec. 21, 2021, granted, now 11,589,687.
Application 17/557,536 is a continuation of application No. 16/781,143, filed on Feb. 4, 2020, granted, now 11,300,350, issued on Apr. 12, 2022.
Application 16/781,143 is a continuation of application No. 16/416,498, filed on May 20, 2019, granted, now 10,588,428, issued on Mar. 17, 2020.
Application 16/416,498 is a continuation of application No. 15/340,056, filed on Nov. 1, 2016, granted, now 10,342,363, issued on Jul. 9, 2019.
Claims priority of application No. 10-2016-0001298 (KR), filed on Jan. 5, 2016.
Prior Publication US 2023/0329454 A1, Oct. 19, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A47F 3/04 (2006.01); A47F 3/00 (2006.01); F21V 3/00 (2015.01); F21V 7/00 (2006.01); F21V 15/01 (2006.01); F21V 23/00 (2015.01); F21V 23/04 (2006.01); F21V 29/89 (2015.01); F25D 11/02 (2006.01); F25D 23/02 (2006.01); F25D 23/04 (2006.01); F25D 27/00 (2006.01); F25D 29/00 (2006.01); F25D 31/00 (2006.01); G02B 27/14 (2006.01); G10L 21/0232 (2013.01); H04R 1/02 (2006.01); H04R 1/04 (2006.01); H05B 47/12 (2020.01); E05D 11/00 (2006.01); F21W 131/305 (2006.01); F21Y 115/10 (2016.01); G01H 1/00 (2006.01); H05B 47/105 (2020.01)
CPC A47F 3/0434 (2013.01) [A47F 3/001 (2013.01); F21V 3/00 (2013.01); F21V 7/0008 (2013.01); F21V 15/01 (2013.01); F21V 23/002 (2013.01); F21V 23/0442 (2013.01); F21V 23/0471 (2013.01); F21V 29/89 (2015.01); F25D 11/02 (2013.01); F25D 23/02 (2013.01); F25D 23/025 (2013.01); F25D 23/028 (2013.01); F25D 23/04 (2013.01); F25D 27/00 (2013.01); F25D 27/005 (2013.01); F25D 29/00 (2013.01); F25D 29/005 (2013.01); F25D 31/005 (2013.01); G02B 27/144 (2013.01); G10L 21/0232 (2013.01); H04R 1/028 (2013.01); H04R 1/04 (2013.01); H05B 47/12 (2020.01); E05D 11/0054 (2013.01); E05D 11/0081 (2013.01); E05Y 2900/31 (2013.01); F21W 2131/305 (2013.01); F21Y 2115/10 (2016.08); F25D 2323/023 (2013.01); F25D 2400/18 (2013.01); F25D 2700/00 (2013.01); F25D 2700/04 (2013.01); G01H 1/00 (2013.01); H03K 2217/94005 (2013.01); H03K 2217/96011 (2013.01); H05B 47/105 (2020.01)] 24 Claims
OG exemplary drawing
 
1. A refrigerator, comprising:
a main controller;
a cabinet configured to define a storage space;
a main door rotatably coupled to the cabinet by a main door hinge and configured to open and close the storage space, and having an opening part;
a main hinge cover configured to cover the main door hinge;
a sub door rotatably coupled to the main door by a sub door hinge and configured to open and close the opening part; and
a sub hinge cover configured to cover the sub door hinge, wherein the sub door comprises:
a door frame including an opening;
a panel assembly configured to cover the opening and having a front panel through which light is transmitted; and
a heater in contact with the panel assembly, wherein a wire connects from the heater to the main controller, and wherein the wire passes through the sub hinge cover and the main hinge cover.