(19)
(11) EP 4 565 920 A1

(12)

(43) Date of publication:
11.06.2025 Bulletin 2025/24

(21) Application number: 23748079.3

(22) Date of filing: 01.08.2023
(51) International Patent Classification (IPC): 
G02F 1/13(2006.01)
 G02F 1/1341(2006.01)
(52) Cooperative Patent Classification (CPC):
G02F 1/1341; G02F 1/1303
(86) International application number:
PCT/EP2023/071220
(87) International publication number:
WO 2024/028287 (08.02.2024 Gazette 2024/06)
(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: 03.08.2022 EP 22188440

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

(72) Inventors:
  • VAN DEN HEUVEL, Ronald
    5504 DE VELDHOVEN (NL)
  • BOONEN, Wil
    5504 DE VELDHOVEN (NL)

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

   


(54) METHOD AND APPARATUS FOR FILLING LIQUID CRYSTAL CELLS WITH A MEDIUM COMPRISING AT LEAST ONE LIQUID CRYSTALLINE MATERIAL