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EP 4 122 198 A1

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(43) Date of publication: 25.01.2023 Bulletin 2023/04 (21) Application number: 21772159.6 (22) Date of filing: 16.03.2021

(51) International Patent Classification (IPC):  H04N 19/117(2014.01) H04N 19/86(2014.01) H04N 19/176(2014.01) H04N 19/80(2014.01) H04N 19/105(2014.01) (52) Cooperative Patent Classification (CPC): H04N 19/159; H04N 19/126; H04N 19/52; H04N 19/105; H04N 19/117; H04N 19/86; H04N 19/176; H04N 19/82; H04N 19/96; H04N 19/119 (86) International application number: PCT/KR2021/003211 (87) International publication number: WO 2021/187855 (23.09.2021 Gazette 2021/38)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 17.03.2020 CN 202010188807 (71) Applicant: Samsung Electronics Co., Ltd. Gyeonggi-do 16677 (KR)	(72) Inventors: ZHOU, Chuan Gyeonggi-do, 16677 (KR) LV, Zhuoyi Gyeonggi-do, 16677 (KR) OUYANG, Xiao Gyeonggi-do, 16677 (KR) (74) Representative: Appleyard Lees IP LLP  15 Clare Road Halifax HX1 2HY Halifax HX1 2HY (GB)