FLUORESCENT SUBSTANCE, COMPOSITE MATERIAL, COATING MATERIAL, PAINT, INK, ARTIFICIAL SKIN, METHOD FOR PROCESSING OF INFORMATION ON CONTACT WITH ARTIFICIAL SKIN, ARTIFICIAL LUMINESCENT SKIN, ARTIFICIAL LUMINESCENT HAIR, LUMINESCENT ELEMENT, ELECTRONIC DEVICE, LUMINESCENT SYSTEM, DISPLAY SYSTEM, FLEXIBLE LUMINESCENT MATERIAL,

摘要

A first composite material comprising a fluorescent substance such as SrAl2O4 :Eu and an elastic material such as a polyester resin, wherein the content of the fluorescent substance is 30 wt % or more; a stress luminescent material comprising the composite material formed into a sheet having a thickness of 1 mm or less; an artificial skin, a luminescent system, a display system and the like using the stress luminescent material; a second composite material comprising a fluorescent substance such as SrAl2O4 :Eu and a piezoelectric material; and a luminescent element using the second composite material, which can be controlled through an electric signal from the outside.