US 11,949,942 B2
Display device
Seongwoon Seol, Seoul (KR); Obong An, Seoul (KR); and Eunyoung Cho, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Filed by LG ELECTRONICS INC., Seoul (KR)
Filed on Jul. 13, 2022, as Appl. No. 17/812,422.
Claims priority of application No. PCT/KR2022/003720 (WO), filed on Mar. 17, 2022.
Prior Publication US 2023/0300402 A1, Sep. 21, 2023
Int. Cl. H04N 21/431 (2011.01); H04N 21/439 (2011.01)
CPC H04N 21/4316 (2013.01) [H04N 21/4394 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A display device comprising:
a display;
a network interface configured to communicate with an external server; and
a controller configured to:
capture audio content during playback of Audio/Video (A/V) content,
acquire a first content identifier based on the captured audio content,
display a first pop-up window corresponding to the acquired first content identifier on the display,
based on a mute interval being continued for a predetermined time, capture video content and acquire a second content identifier based on the captured video content, and
based on the acquired second content identifier being not identical to the first content identifier, display a second pop-up window corresponding to the second content identifier on the display.