US 12,252,638 B2
Adhesive film
Kyosung Hwang, Seoul (KR); Yongsuk Yang, Hwaseong-si (KR); Ki-Sun Kim, Seoul (KR); and Gyu Jin Jung, Gyeonggi-do (KR)
Assigned to 3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US)
Appl. No. 17/769,698
Filed by 3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US)
PCT Filed Oct. 13, 2020, PCT No. PCT/IB2020/059613
§ 371(c)(1), (2) Date Apr. 15, 2022,
PCT Pub. No. WO2021/074793, PCT Pub. Date Apr. 22, 2021.
Claims priority of application No. 10-2019-0130023 (KR), filed on Oct. 18, 2019.
Prior Publication US 2023/0029583 A1, Feb. 2, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. C09J 7/29 (2018.01); C09J 7/35 (2018.01); C09J 11/04 (2006.01); C09J 11/06 (2006.01); C09J 163/00 (2006.01); C09J 183/04 (2006.01)
CPC C09J 7/29 (2018.01) [C09J 7/35 (2018.01); C09J 11/04 (2013.01); C09J 11/06 (2013.01); C09J 163/00 (2013.01); C09J 183/04 (2013.01); C09J 2301/408 (2020.08); C09J 2433/00 (2013.01); C09J 2463/00 (2013.01)] 12 Claims
OG exemplary drawing
 
1. An adhesive film comprising:
an adhesive layer;
a photothermal conversion layer containing a light absorber and a thermally decomposable resin; and
an adhesive base film layer disposed between the adhesive layer and the photothermal conversion layer,
wherein the adhesive base film layer contains a multifunctional epoxy resin, a binder resin, a curing agent, and a curing catalyst.