Luminous scutcheon is that the printing ink silk was printed by luminous printing ink, this product did not need any power, and only show, the products are as follows, by oneself at night Fire escape, evacuating the stair, emergency exit, barrier, fire-fighting equipment indicating and warning sign. Sucks the light, holds all, bright place to absorb for various kinds of visible light and 10-20 minutes by oneself, the dark place gives out light sustainably for more than 8-12 hours; Hold the spontaneous mere properties of product of all type and set up, not need power, difficult to damage, and can be used repeatedly many times steadily and in succession, give out light safety coefficient count and up to 100%. Systematic products various informative, installation simple, maintain convenient, in construction, needn'