The present invention describes compounds and uses thereof in applications relating to absorption of electromagnetic energy. Preferred compounds are double bond-containing compounds capable of absorbing electromagnetic radiation energy and having improved properties.本發明說明有關吸收電磁能應用的化合物及用途。較佳的化合物為能夠吸收電磁輻射能且具有改良的性質之含雙鍵化合物。