	US 12,082,426 B2
	Photodetector composition
Francisco Javier Rodriguez-Martinez, Godmanchester (GB); and Nir Yaacobi-Gross, Godmanchester (GB)
Assigned to Sumitomo Chemical Co., Ltd., Tokyo (JP)
Appl. No. 17/297,992
Filed by Sumitomo Chemical Co., Ltd., Tokyo (JP)
PCT Filed Nov. 29, 2019, PCT No. PCT/GB2019/053391 § 371(c)(1), (2) Date May 27, 2021, PCT Pub. No. WO2020/109822, PCT Pub. Date Jun. 4, 2020.
Claims priority of application No. 1819628 (GB), filed on Nov. 30, 2018.
Prior Publication US 2022/0102658 A1, Mar. 31, 2022
Int. Cl. H10K 30/30 (2023.01); G01N 21/64 (2006.01); H10K 50/11 (2023.01); H10K 71/12 (2023.01); H10K 85/60 (2023.01); H10K 101/30 (2023.01); H10K 101/40 (2023.01)

CPC H10K 30/30 (2023.02) [G01N 21/645 (2013.01); H10K 71/12 (2023.02); H10K 85/615 (2023.02); H10K 85/626 (2023.02); H10K 85/653 (2023.02); H10K 85/655 (2023.02); H10K 85/6576 (2023.02); G01N 2021/6463 (2013.01); H10K 50/11 (2023.02); H10K 2101/30 (2023.02); H10K 2101/40 (2023.02); Y02E 10/549 (2013.01)]

17 Claims

1. A composition comprising a first compound and a second compound of formula (I):

EAG-EDG-EAG (I)

wherein EDG is an electron-donating group comprising a polycyclic heteroaromatic group and each EAG is an electron-accepting group of formula (II):

wherein:

--- is a bond to EDG;

each R¹⁰is, independently in each occurrence, H or a substituent;

each R¹¹-R¹⁴is, independently in each occurrence, H or an electron-withdrawing group; and

of the first and second compounds of formula (I), the total number of electron-withdrawing groups R¹¹-R¹⁴is greater for the first compound of formula (I).