Controllable electrochromic device reflectance

A layer piezochromic device is disclosed. The laminated device may include a substrate and a laminated layer. The laminate layer may reflect a wavelength between 300 nm and 400 nm. The laminated device may also include a first transparent conductive layer between the substrate and the laminated layer and the substrate, a second transparent conductive layer between the substrate and the laminated layer and the substrate, a cathode electrochromic layer between the first transparent conductive layer and the second transparent conductive layer, and an anodic electrochromic layer between the first transparent conductive layer and the second transparent conductive layer. 公开了一种层压电致变色器件。该层压器件可包括衬底和层压层。所述层压层可反射介于300nm和400nm之间的波长。该层压器件还可包括位于衬底和层压层和衬底之间的第一透明导电层、位于衬底和层压层和衬底之间的第二透明导电层、位于第一透明导电层和第二透明导电层之间的阴极电致变色层、以及位于第一透明导电层和第二透明导电层之间的阳极电致变色层。