(19)

(11)

EP 4 226 643 A1

(12)

(43) Date of publication: 16.08.2023 Bulletin 2023/33 (21) Application number: 21876097.3 (22) Date of filing: 01.10.2021

(51) International Patent Classification (IPC):  H04R 1/02(2006.01) H04R 1/34(2006.01) F21V 33/00(2006.01) (52) Cooperative Patent Classification (CPC): H04R 1/34; F21V 33/0056; H04R 1/028; F21S 6/002 (86) International application number: PCT/SE2021/050967 (87) International publication number: WO 2022/071868 (07.04.2022 Gazette 2022/14)

(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: 02.10.2020 SE 2051154 (71) Applicant: IKEA Supply AG 4133 Pratteln (CH)	(72) Inventors: VUORIVIRTA, Iina Pauliina Shanghai, 200031 (CN) BEGIC, Stjepan 211 25 Malmö (SE) (74) Representative: Ström & Gulliksson AB  P.O. Box 4188 203 13 Malmö 203 13 Malmö (SE)