US Electrochromic Material Market Size, Share & Analysis Report By Material Type (Transition Metal Oxides, Conducting Polymers, Viologens, Nanomaterials), By Technology (Solution-Based, Solid-State), By Application (Smart Windows, Displays, Mirrors), By End-Use Industry (Building & Construction, Automotive, Aerospace, Consumer Electronics): Regional Segment Overview, Market Dynamics, Competitive Landscape, Trends & Forecast 2026–2034