Currently, Chinese enterprises mainly focus on the production of PDLC smart dimming glass, with relatively low production capacity for SPD smart dimming glass, and the demand is highly dependent on imports. With future technological advancements, China's market share of SPD smart dimming glass will further increase.

SPD smart dimming glass, also known as suspended particle device (SPD) smart dimming glass or SPD gradient dimming glass, refers to dimming glass containing tiny suspended particles in the interlayer. As the second-generation smart dimming glass, SPD smart dimming glass offers advantages over PDLC smart dimming glass, such as continuously adjustable brightness and reduced light pollution, making it promising for broad applications in transportation and construction projects.

SPD smart dimming glass uses electrical control to orient the particles, enabling light adjustment. Compared to other smart dimming glasses, SPD smart dimming glass requires a higher driving voltage, resulting in higher operational costs. Currently, Chinese enterprises focus on producing PDLC smart dimming glass, with relatively low production capacity for SPD smart dimming glass, and the demand is highly dependent on imports. With future technological advancements, China's market share of SPD smart dimming glass will further increase.

According to the report titled 'China SPD Smart Dimming Glass Industry Market In-depth Research and Development Prospects Forecast Report, 2024-2029' released by Newzoo Industry Research Institute, SPD smart dimming glass is mainly used in transportation and construction projects. In the transportation sector, SPD smart dimming glass offers advantages such as high safety and reliability and durability, making it suitable for windows in aircraft, trains, and automobiles. In the construction sector, it provides excellent privacy protection and light-blocking effects, suitable for skylights, partitions, and door and window installations. With the accelerated development of downstream industries, the demand for SPD smart dimming glass applications is expected to further increase.

The global SPD smart dimming glass market is dominated by Research Frontiers from the United States and Gauzy from Israel. Research Frontiers has successfully launched various types of smart glass products and holds patents related to SPD smart dimming glass. Gauzy specializes in the research, development, production, and sales of smart dimming glass and is the world's largest producer of SPD and PDLC smart dimming glass.

Locally, compared to developed countries overseas, China's SPD smart dimming glass industry started relatively late. Due to high technical barriers and production costs, there are very few market participants. Jingyi Technology is a representative enterprise in China's SPD smart dimming glass industry, holding nearly a hundred patents related to smart nano-dimming technology. Its products are currently used in the manufacturing of many domestic automobiles. With the continuous efforts of local enterprises, the localization process of China's SPD smart dimming glass market is expected to accelerate.

Industry analysts from Newzoo stated that SPD smart dimming glass, as a high-performance smart dimming glass, has broad application prospects and the industry's development speed is accelerating. Currently, the production of SPD smart dimming glass is challenging and costly, with China's demand highly dependent on imports. With the continuous efforts of local enterprises and technological advancements, the prosperity of China's SPD smart dimming glass industry is expected to further increase.

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