The two types of conjugated polymers were synthesized with boron pyridinoiminate with or without the fused structure in the ligand moiety. From optical measurements, it was shown that the polymer involving the fused complex had intense luminescent property only in the solution state. In contrast, another polymer presented similar emission intensities both in the solution and film states. By introducing the simple ring fuse structure, solution and solid-state luminescent properties of conjugated polymer can be tuned. Finally, the aggregation-caused quenching-resistant luminescent polymer can be produced. (C) 2018 Elsevier Ltd. All rights reserved.