COLOUR-CHANGED BUTTON

The utility model provides a discoloration button capable of discoloration following temperature change. The utility model displays different colors because of the difference of visual angles. The discoloration button of the utility model is characterized in that liquid crystal layers of discoloration liquid are coated on a button body of a traditional button, materials of the liquid crystal layers are chirality nematic phase liquid crystal or steroid phase liquid crystal. The two kinds of liquid crystal have colors which are changed following temperature changes. Thus, compared with traditional buttons, the utility model is colorful, provides a fashionable and high-grade ornament for people and increases lift interest.