US 12,137,612 B2
Organic photodetector
Kiran Kamtekar, Godmanchester (GB); Sophie Jones, Godmanchester (GB); and Nir Yaacobi-Gross, Cambridgeshire (GB)
Assigned to Sumitomo Chemical Company Limited, Tokyo (JP)
Filed by Sumitomo Chemical Company Limited, Tokyo (JP)
Filed on Dec. 15, 2020, as Appl. No. 17/122,797.
Application 17/122,797 is a continuation in part of application No. PCT/GB2019/053394, filed on Nov. 29, 2019.
Claims priority of application No. 1819625 (GB), filed on Nov. 30, 2018.
Prior Publication US 2021/0135129 A1, May 6, 2021
Int. Cl. H01L 51/00 (2006.01); H10K 85/60 (2023.01); H10K 30/30 (2023.01)
CPC H10K 85/6576 (2023.02) [H10K 85/626 (2023.02); H10K 85/655 (2023.02); H10K 30/30 (2023.02)] 13 Claims
OG exemplary drawing
 
1. A compound of formula:
EAG1-EDG1-EAG1
wherein each EAG1 is an electron accepting group of formula (V) and EDG1 is an electron-donating group of formula (IIa)

OG Complex Work Unit Chemistry
wherein:
each X is independently O or S;
Ar3 and Ar4 independently in each occurrence is a monocyclic or polycyclic aromatic or heteroaromatic group;
R1 and R2 independently in each occurrence is a substituent;
R4 and R5 are each independently H or a substituent;
R3 and R6 are each independently H, a substituent or a divalent group bound to EAG1;
Z1 is a direct bond or Z1 together with the substituent R4 forms Ar1 wherein Ar1 is a monocyclic or polycyclic aromatic or heteroaromatic group;
Z2 is a direct bond or Z2 together with the substituent R5 forms Ar2 wherein Ar2 is a monocyclic or polycyclic aromatic or heteroaromatic group;
p is 1, 2, or 3;
q is 1, 2, or 3;
R10 in each occurrence is H or a substituent;
- - - represents a linking position to EDG1; and
each X1-X4 is independently CR13 wherein R13 in each occurrence is H or a substituent with the proviso that at least one R13 is CN.