专利号:WO-2024199763-A1 优先权日:2023-03-29 标 题:Benzofluoran-based compounds as magenta thermochromic dyes and their use in imaging systems 发明人:FONSECA DEICHMANN VITOR ANGELO; STAHL SIMON; BAMEDI ZILAEI AMENEH; ROSSELLI SILVIA; CHERCKA DENNIS; ROBERTS ANTHONY; RODIN VADIM; NELLES GABRIELE; DANNER DAVID 权利人:SONY SEMICONDUCTOR SOLUTIONS CORP; SONY EUROPE BV 摘要:The field of the DISCLOSURE lies in active materials in imaging systems. The present disclosure relates to benzofluoran-based active materials and their use in thermo-imaging and full color imaging and methods for their synthesis. The present disclosure also relates to compositions comprising the benzofluoran-based active materials according to the present disclosure. Moreover, the present disclosure relates to a thermo-imaging system comprising a thermochromic layer comprising at least one benzofluoran-based compound according to the present disclosure and to a method for thermo-imaging or full color imaging.