US 11,917,257 B2
Display device and display system
Changbum Koo, Seoul (KR); Dahee Kim, Seoul (KR); Kwangwoo Heo, Seoul (KR); and Jongho Hong, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 17/778,120
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed Nov. 26, 2019, PCT No. PCT/KR2019/016351
§ 371(c)(1), (2) Date May 19, 2022,
PCT Pub. No. WO2021/107172, PCT Pub. Date Jun. 3, 2021.
Prior Publication US 2022/0417607 A1, Dec. 29, 2022
Int. Cl. H04N 21/488 (2011.01); H04N 21/4722 (2011.01)
CPC H04N 21/4884 (2013.01) [H04N 21/4722 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A display device comprising:
a display;
an audio output interface configured to output music received from the external device; and
a controller configured to:
determine whether a music reproduction command for outputting music is received via at least one of a wireless connection between the display device and the external device and a wired connection between the display device and the external device,
in response to receiving the music reproduction command from the external device via the wireless connection, wirelessly transmit a request for lyric information of the music to the external device via a wireless app-to-app connection, receive the lyric information and output the music while displaying lyrics for the music based on the lyric information, and
in response to receiving the music reproduction command from the external device via the wired connection, scan metadata stored in the external device, extract the lyric information from the metadata, and output the music while displaying the lyrics for the music based on the lyric information.