SPECTACLE FRAME ENABLED TO BE FOUND EVEN IN DARK PLACE

摘要

PROBLEM TO BE SOLVED: To speedily find a spectacle at night or in a dark place without any light by allowing a phosphorescent agent or a fluorescent agent emit light. SOLUTION: A phosphorescent agent or a mixture of the phosphorescent agent and a fluorescent agent is attached or fitted to a spectacle frame. COPYRIGHT: (C)2011,JPO&INPIT