(19)
(11) EP 4 740 713 A1

(12)

(43) Date of publication:
13.05.2026 Bulletin 2026/20

(21) Application number: 23739556.1

(22) Date of filing: 07.07.2023
(51) International Patent Classification (IPC): 
H10H 20/851(2025.01)
(52) Cooperative Patent Classification (CPC):
H10H 20/8512; H10H 20/0361
(86) International application number:
PCT/EP2023/068881
(87) International publication number:
WO 2025/011734 (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:
KH MA MD TN

(71) Applicant: Flowil International Lighting (Holding) B.V.
1097 JB Amsterdam (NL)

(72) Inventors:
  • HOOKER, James
    3200 Aarschot (BE)
  • BROEDERS, Frank
    3001 Heverlee (BE)
  • GEENS, Rudy
    3300 Tienen (BE)
  • VINCKX, Wim
    3300 Tienen (BE)
  • GIELEN, Jos
    3300 Tienen (BE)
  • LOYSCH, Nicole
    3300 Tienen (BE)

(74) Representative: Meissner Bolte Partnerschaft mbB 
Patentanwälte Rechtsanwälte Postfach 86 06 24
81633 München
81633 München (DE)

   


(54) ULTRA-VIOLET RADIATION SOURCE AND METHOD FOR IDENTIFICATION OF A NECESSARY DOSE OF A FLUORESCENT MATERIAL REQUIRED TO IMPROVE A VISUAL APPEARANCE OF AN ULTRA-VIOLET RADIATION SOURCE