(19)
(11) EP 4 320 647 A1

(12)

(43) Date of publication:
14.02.2024 Bulletin 2024/07

(21) Application number: 22720727.1

(22) Date of filing: 07.04.2022
(51) International Patent Classification (IPC): 
H01L 51/00(2006.01)
 H01L 51/50(2006.01)
(52) Cooperative Patent Classification (CPC):
Y02E 10/549; H10K 85/626; H10K 85/6574; H10K 50/12; H10K 50/11; H10K 2101/90
(86) International application number:
PCT/EP2022/059179
(87) International publication number:
WO 2022/214566 (13.10.2022 Gazette 2022/41)
(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: 09.04.2021 EP 21167651

(71) Applicant: Merck Patent GmbH
64293 Darmstadt (DE)

(72) Inventors:
  • LINGE, Rouven
    64293 Darmstadt (DE)
  • ENGEL, Miriam
    64293 Darmstadt (DE)
  • STOLZ, Sebastian
    64293 Darmstadt (DE)
  • MEYER, Sebastian
    64293 Darmstadt (DE)

(74) Representative: Merck Patent Association 
Merck Patent GmbH
64271 Darmstadt
64271 Darmstadt (DE)

   


(54) MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES