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(11)

EP 3 717 848 A1

(12)

(43) Date of publication: 07.10.2020 Bulletin 2020/41 (21) Application number: 19746966.1 (22) Date of filing: 01.02.2019

(51) International Patent Classification (IPC):  F25D 25/02(2006.01) A47B 88/49(2017.01) A47B 88/457(2017.01) (86) International application number: PCT/KR2019/001428 (87) International publication number: WO 2019/151820 (08.08.2019 Gazette 2019/32)

(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: 05.02.2018 JP 2018018649 05.09.2018 JP 2018165759 04.01.2019 KR 20190001142 (71) Applicant: Samsung Electronics Co., Ltd. Gyeonggi-do 16677 (KR)	(72) Inventors: OHTSUBO, Minoru Yokohama-shi, Kanagawa 230--0027 (JP) YOSHIDA, Jyunji Yokohama-shi, Kanagawa 230--0027 (JP) KAN, Kentaro 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)