(19)
(11) EP 4 816 486 A1

(12)

(43) Date of publication:
07.10.2026 Bulletin 2026/41

(21) Application number: 23959713.1

(22) Date of filing: 28.11.2023
(51) International Patent Classification (IPC): 
C09J 133/08(2006.01)
(52) Cooperative Patent Classification (CPC):
C09J 4/06; C08F 299/00
 
C-Sets:
  1. C09J 4/06, C08F 283/10;
  2. C08F 220/301, C08F 220/20, C08F 220/1808, C08F 220/325;
  3. C09J 4/06, C08F 265/06;
(86) International application number:
PCT/CN2023/134660
(87) International publication number:
WO 2025/111788 (05.06.2025 Gazette 2025/23)
(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: 3M Innovative Properties Company
Saint Paul, Minnesota 55133-3427 (US)

(72) Inventors:
  • LIN, Xiao Wen
    Shanghai 200336 (CN)
  • GAO, Fan
    Shanghai 200336 (CN)

(74) Representative: Vossius & Partner Patentanwälte Rechtsanwälte mbB 
Siebertstraße 4
81675 München
81675 München (DE)

   


(54) FILM-TYPE ENCAPSULATION OF OPTICAL DEVICES WITH A UV-TRIGGERED ADHESIVE LAYER