The Polymer-Dispersed Liquid Crystals (PDLC) Smart Glass segmentation by application differentiates the market into architectural, automotive, consumer electronics, and military/defense uses. Architectural installations—facades, skylights, interior partitions—represent the largest share, driven by energy‑efficiency mandates and demand for dynamic daylight control; they contribute roughly 45 % of total market revenue. Automotive applications, including sunroofs, side windows, and rear‑view mirrors, account for about 30 % as OEMs integrate PDLC for privacy and glare reduction. Consumer electronics, covering privacy screens for tablets, laptops, and display devices, generate an estimated 20 % of sales, reflecting the growth of portable digital devices requiring on‑demand opacity. Military and defense sectors, employing PDLC for secure observation ports and camouflage, occupy a niche 5 % share but command higher unit prices, influencing overall market valuation through premium pricing. This application‑based taxonomy clarifies how each segment’s volume and price dynamics shape the aggregate market size.