(19)
(11) EP 4 031 546 A1

(12)

(43) Date of publication:
27.07.2022 Bulletin 2022/30

(21) Application number: 20768622.1

(22) Date of filing: 15.09.2020
(51) International Patent Classification (IPC): 
C07D 471/04(2006.01)
H01L 51/00(2006.01)
(52) Cooperative Patent Classification (CPC):
C07D 471/04; H01L 51/0072; H01L 2251/5384; H01L 51/5016; Y02E 10/549
(86) International application number:
PCT/EP2020/075693
(87) International publication number:
WO 2021/052924 (25.03.2021 Gazette 2021/12)
(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: 16.09.2019 EP 19197591

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

(72) Inventors:
  • PARHAM, Amir
    60486 FRANKFURT AM MAIN (DE)
  • KROEBER, Jonas
    60311 FRANKFURT AM MAIN (DE)
  • ENGELHART, Jens
    64285 DARMSTADT (DE)
  • JATSCH, Anja
    60489 FRANKFURT AM MAIN (DE)
  • EICKHOFF, Christian
    68259 MANNHEIM (DE)
  • EHRENREICH, Christian
    64285 DARMSTADT (DE)
  • KAISER, Jens
    60489 FRANKFURT AM MAIN (DE)

   


(54) MATERIALS FOR ORGANIC ELECTROLUMINESCENT DEVICES