Compound, sensor, sensor embedded display panel, and electronic device

A compound represented by Chemical Formula 1:

• wherein, in Chemical Formula 1,
• X1 is Se, Te, SO, SO2, NRa, BRb, CRcRd, SiReRf, or GeRgRh,
• A is a cyclic group comprising C═Z1, a halogen, C1 to C30 haloalkyl group, a cyano group, a dicyanovinyl group, or any combination thereof, wherein Z1 is O, S, Se, Te, or CRkRl, wherein Rk and Rl are each independently hydrogen, deuterium, a substituted or unsubstituted C1 to C20 alkyl group, a carbonyl group, a cyano group, a dicyanovinyl group, or any combination thereof, and Rk and Rl are each independently present or linked to each other to form a ring,
• R1 to R5 and Ra to Rh are each independently hydrogen, deuterium, a substituted or unsubstituted C1 to C20 alkyl group, a substituted or unsubstituted C2 to C30 alkenyl group, a substituted or unsubstituted C1 to C30 alkoxy group, a substituted or unsubstituted C1 to C30 alkylthio group, a substituted or unsubstituted C6 to C30 aryl group, a substituted or unsubstituted C3 to C30 heterocyclic group, a halogen, a cyano group, or any combination thereof, and
• at least one of R4 or R5 is hydrogen, deuterium, a C1 to C5 alkyl group, a C2 to C5 alkenyl group, a C1 to C5 alkoxy group, a C1 to C5 alkylthio group, or any combination thereof.