(19)

(11)

EP 4 476 775 A1

(12)

(43) Date of publication: 18.12.2024 Bulletin 2024/51 (21) Application number: 23711334.5 (22) Date of filing: 08.02.2023

(51) International Patent Classification (IPC):  H01L 33/40(2010.01) H01L 33/38(2010.01) H01L 33/46(2010.01) H01L 27/15(2006.01) (52) Cooperative Patent Classification (CPC): H01L 33/405; H01L 33/46; H01L 33/382; H01L 33/387; H01L 27/156 (86) International application number: PCT/US2023/062200 (87) International publication number: WO 2023/154738 (17.08.2023 Gazette 2023/33)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 11.02.2022 US 202217669663 (71) Applicant: Creeled, Inc. Durham, NC 27709 (US)	(72) Inventors: BALKEY, Seth Joseph Durham, North Carolina 27703 (US) WUESTER, Steven Wake Forest, North Carolina 27587 (US) CHECK, Michael Holly Springs, North Carolina 27540 (US) (74) Representative: Gill Jennings & Every LLP  The Broadgate Tower 20 Primrose Street London EC2A 2ES London EC2A 2ES (GB)