Patent ID: 9244294
Filing Date: 2016-01-26
CPC Classification: B82Y,G02F,Y10S

Claim Text:
1. A thermochromatic element, comprising: a sealed enclosure comprising an upper semitransparent sheet and a lower sheet opposite to the semitransparent upper sheet, the sealed enclosure defining a chamber between the semitransparent upper sheet and the lower sheet; a first transparent heating element located on the upper semitransparent sheet; a second heating element located on the lower sheet; and a colorful material layer located in the chamber, the first transparent heating element and the second heating element asynchronously capable of heating the colorful material layer such that the colorful material layer will move between the first transparent heating element and the second heating element in response to the heat produced by the first transparent heating element and the second heating element; wherein the first transparent heating element comprises a carbon nanotube film comprising: