US 12,187,916 B2
Curable composition, film, laminated body, and display apparatus
Yoshihiro Harada, Osaka (JP); and Yoshifumi Komatsu, Osaka (JP)
Assigned to SUMITOMO CHEMICAL COMPANY, LIMITED, Tokyo (JP)
Appl. No. 17/282,700
Filed by SUMITOMO CHEMICAL COMPANY, LIMITED, Tokyo (JP)
PCT Filed Oct. 23, 2019, PCT No. PCT/JP2019/041450
§ 371(c)(1), (2) Date Apr. 2, 2021,
PCT Pub. No. WO2020/090567, PCT Pub. Date May 7, 2020.
Claims priority of application No. 2018-205893 (JP), filed on Oct. 31, 2018.
Prior Publication US 2021/0380820 A1, Dec. 9, 2021
Int. Cl. C09D 5/22 (2006.01); B32B 27/20 (2006.01); C09D 4/00 (2006.01); C09D 7/45 (2018.01); C09D 135/02 (2006.01); C09K 11/02 (2006.01); C09K 11/66 (2006.01); G02F 1/13357 (2006.01); H01G 9/20 (2006.01); H01L 33/50 (2010.01)
CPC C09D 5/22 (2013.01) [B32B 27/20 (2013.01); C09D 4/00 (2013.01); C09D 7/45 (2018.01); C09D 135/02 (2013.01); C09K 11/02 (2013.01); C09K 11/664 (2013.01); C09K 11/665 (2013.01); B32B 2307/422 (2013.01); B32B 2457/206 (2013.01); G02F 1/133617 (2013.01); H01G 9/2059 (2013.01); H01L 33/502 (2013.01)] 8 Claims
 
1. A curable composition comprising a fluorescent particle (A) containing a perovskite compound, a photopolymerizable compound (B), and a dispersing agent (C),
wherein the dispersing agent (C) is present in the curing composition in an amount of 0.1 to 20 parts by mass relative to 1 part by mass of the fluorescent particle, and the dispersing agent (C) includes at least one kind of compound selected from the group consisting of phosphoric acid compounds, carboxylic acid compounds, and tertiary amine compounds,
the compound selected from the group consisting of phosphoric acid compounds, carboxylic acid compounds, and tertiary amine compounds contains at least one bond selected from the group consisting of an ether bond and an ester bond in a molecular chain,
the tertiary amine compounds do not contain a quaternary ammonium group, and
the curable composition possesses a QY maintenance rate (%) of 80% or more.