Recording method at room temperature organic phosphorescent material, reversible thermosensitive recording material, reversible thermosensitive recording medium and reversible thermosensitive recording medium

摘要

The present invention is organic and is characterized by containing a dye and a rigid matrix, the phosphorescence lifetimes in the rigid medium 77K is 0.1 seconds or more, and exhibits strong long discernible with the naked eye even at room temperature phosphorescent material, ie, I will provide a room temperature organic phosphorescent material.