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EP 3 824 129 A1

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(43) Date of publication: 26.05.2021 Bulletin 2021/21 (21) Application number: 19868710.5 (22) Date of filing: 01.10.2019

(51) International Patent Classification (IPC):  D06F 39/00(2020.01) D06F 33/30(2020.01) D06F 37/30(2020.01) (86) International application number: PCT/KR2019/012849 (87) International publication number: WO 2020/071739 (09.04.2020 Gazette 2020/15)

(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: 02.10.2018 JP 2018187326 25.07.2019 KR 20190090121 (71) Applicant: Samsung Electronics Co., Ltd. Suwon-si 16677 (KR)	(72) Inventors: KANAGAWA, Tomoyuki Yokohama-shi Kanagawa 230-0027 (JP) MIYAKE, Hiroyuki Yokohama-shi Kanagawa 230-0027 (JP) KAGAMI, Shin Yokohama-shi Kanagawa 230-0027 (JP) (74) Representative: Walaski, Jan Filip et al Venner Shipley LLP 200 Aldersgate London EC1A 4HD London EC1A 4HD (GB)