US 11,871,066 B2
Display device and display system
Kyungryun Lee, Seoul (KR); and Miyeon Kwon, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Filed by LG ELECTRONICS INC., Seoul (KR)
Filed on Feb. 26, 2021, as Appl. No. 17/187,576.
Claims priority of application No. 10-2021-0002101 (KR), filed on Jan. 7, 2021.
Prior Publication US 2022/0217436 A1, Jul. 7, 2022
Int. Cl. H04N 21/422 (2011.01); H04N 21/443 (2011.01); H04N 5/63 (2006.01)
CPC H04N 21/42221 (2013.01) [H04N 5/63 (2013.01); H04N 21/4432 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A display device comprising:
an external device interface connected to an external device;
a user input interface configured to receive a power control signal from a remote control device; and
a controller configured to:
process the power control signal to control power of the display device to be turned on or off, based on a determination that a signal is inputted from the external device, and
ignore the power control signal for a predetermined time after the power control signal is received, based on the power control signal being received in a state in which an elapsed time after the power of the display device is switched to on within a reference time and based on the signal not being input from the external device.