LUVGEAR~(TM) ICONS WITH THERMOCHROMIC AND PHOTOCHROMIC INKS

摘要

Thermochromic and photochromic inks are thermal sensitive and photo sensitive respectively. Thermochromic inks change colors in response to temperature fluctuations and photo-chromic inks respond to variations in exposure to UV light primarily sunlight). Both materials are reversible and will lange colors over and over again with the appropriate exposure. They are widely used in product labelling, medical fields nd security application.