| 摘要 |
<p>The use of photoluminescent compounds in applications such as liquid crystal devices to exploit their photoluminescent effect. The photoluminescent compounds comprising a chelating metal 'M' plus ligand, wherein 'M' is chosen from Tb, Eu, Sm and Dy, and characterised in that a proportion of 'M' is replaced by at least one of Y, Gd, La or Lu.</p> |
