Electrochromic multi-layer devices with composite current modulating structure

摘要

A multi-layer device comprising a first substrate, a first electrically conductive layer and a first current modulating structure on a surface thereof, the first current modulating structure comprising a composite of a resistive material and a patterned insulating material, the first current modulating structure having a cross-layer resistance to the flow of electrical current through the first current modulating structure that varies as a function of position.

主权项

1. A multi-layer device comprising a first substrate and a layered stack that is transmissive to electromagnetic radiation having a wavelength in the range of infrared to ultraviolet on a surface of the first substrate, the layered stack comprising a first electrically conductive layer and a first current modulating structure each covering at least 0.01 m2 of the surface of the first substrate, the first electrically conductive layer being between the surface of the first substrate and the current modulating structure, the current modulating structure comprising a patterned layer, wherein the first electrically conductive layer has a spatially varying sheet resistance, Rs, that varies as a function of position in the first electrically conductive layer, a contour map of the sheet resistance, Rs, as a function of position within the first electrically conductive layer contains a set of isoresistance lines and a set of resistance gradient lines normal to the isoresistance lines, and the sheet resistance along a gradient line in the set generally increases, generally decreases, generally increases until it reaches a maximum and then generally decreases, or generally decreases until it reaches a minimum and then generally increases.