US 12,238,378 B2
Display device
Kiwoong Lee, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 17/595,728
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed May 23, 2019, PCT No. PCT/KR2019/006188
§ 371(c)(1), (2) Date Nov. 23, 2021,
PCT Pub. No. WO2020/235724, PCT Pub. Date Nov. 26, 2020.
Prior Publication US 2022/0256245 A1, Aug. 11, 2022
Int. Cl. H04N 21/4728 (2011.01); H04N 21/422 (2011.01); H04N 21/431 (2011.01)
CPC H04N 21/4728 (2013.01) [H04N 21/42209 (2013.01); H04N 21/4316 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A display device comprising:
a display configured to display content;
a wireless communication interface configured to receive character information of characters relating to the content;
a user input interface configured to receive a character search command; and
a controller configured to control the display to display thumbnails of the characters based on the character information,
wherein the controller is further configured to, upon receiving the character search command:
acquire content information relating to the content from an electronic program guide (EPG),
acquire the character information of the characters in the content on a web based on the content information,
acquire a matching image having a face most similar to a face image of a character in a current scene on the web,
acquire a matching character based on the matching image, and
display an indicator on a thumbnail corresponding to the matching character while the content is displayed.