US 11,739,168 B2
Photocurable composition
Kazuyuki Ueno, Hachioji (JP); Yoshihide Arai, Hachioji (JP); and Yoshiaki Koga, Hachioji (JP)
Assigned to THREEBOND CO., LTD., Tokyo (JP)
Appl. No. 16/642,530
Filed by THREEBOND CO., LTD., Hachioji (JP)
PCT Filed Aug. 31, 2018, PCT No. PCT/JP2018/032468
§ 371(c)(1), (2) Date Feb. 27, 2020,
PCT Pub. No. WO2019/045071, PCT Pub. Date Mar. 7, 2019.
Claims priority of application No. 2017-168245 (JP), filed on Sep. 1, 2017.
Prior Publication US 2021/0070894 A1, Mar. 11, 2021
Int. Cl. C08F 2/48 (2006.01); C08K 5/5397 (2006.01); C08L 57/10 (2006.01); C08L 67/07 (2006.01); C08G 64/04 (2006.01); H01L 51/00 (2006.01); H10K 85/60 (2023.01)
CPC C08F 2/48 (2013.01) [C08G 64/045 (2013.01); C08K 5/5397 (2013.01); C08L 57/10 (2013.01); C08L 67/07 (2013.01); H10K 85/6572 (2023.02)] 16 Claims
 
1. A photocurable composition comprising a compound of the following General Formula 1 or 2-(2′-hydroxy-3′-tert-butyl-5′-methylphenyl)-5-chlorobenzotriazole as a component (A),
a (meth)acrylate compound as a component (B);
a film-forming resin as a component (C); and
a photoinitiator as a component (D),
wherein a light transmittance of 385 nm is 50% or less and a yellowness index is 3.0 or less in a state in which a cured resin of the photocurable composition with a thickness of 200 μm or less is interposed between alkali free glass plates each having a thickness of 0.7 mm:

OG Complex Work Unit Chemistry
n is an integer of 1 to 4, R is a hydrocarbon group having a total number of carbon atoms of 6 or more, and hydrogen in a main skeleton of the compound may be substituted with another organic group, where a multimer is excluded.