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(11)

EP 4 740 711 A1

(12)

(43) Date of publication: 13.05.2026 Bulletin 2026/20 (21) Application number: 24739575.9 (22) Date of filing: 05.07.2024

(51) International Patent Classification (IPC):  H10F 77/12(2025.01) H10F 10/16(2025.01) H10F 77/169(2025.01) (52) Cooperative Patent Classification (CPC): H10F 77/126; H10F 77/1694; H10F 10/167; Y02E 10/541 (86) International application number: PCT/EP2024/068999 (87) International publication number: WO 2025/012117 (16.01.2025 Gazette 2025/03)

(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: GE KH MA MD TN (30) Priority: 07.07.2023 LU 504697 (71) Applicant: Université du Luxembourg 4365 Esch-sur-Alzette (LU)	(72) Inventors: WANG, Taowen 4776 Pétange (LU) SONG, Longfei 4369 Esch-sur-Alzette (LU) (74) Representative: Office Freylinger  P.O. Box 48 8001 Strassen 8001 Strassen (LU)