The Global PC Light Diffusion Plate Market was valued at US$ 1020 Million in 2025 and is projected to reach US$ 1334 Million by 2034, growing at a Compound Annual Growth Rate (CAGR) of 4.0% during the forecast period. This significant expansion is propelled by the escalating demand for energy-efficient LED Lighting and high-performance LCD Displays across consumer electronics, automotive, and architectural sectors.

As the industry pivots towards thinner, brighter, and more uniform illumination solutions, the focus intensifies on the key material scientists and manufacturing innovators who are at the forefront of optical engineering. In this analysis, we profile the Top 10 Companies in the PC Light Diffusion Plate Industry—a diverse group of established chemical giants and specialized optical technology firms shaping the future of light management.

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🔟 1. Polyrocks Chemical Co.,Ltd

Headquarters: Shenzhen, Guangdong, China
Key Offering: High-performance PC Diffusion Plates, Specialty Optical Polymers

Polyrocks Chemical is a leading manufacturer of advanced polymer materials, with a strong focus on polycarbonate-based optical components. Their PC light diffusion plates are renowned for high light transmittance, excellent diffusion properties, and superior heat resistance, serving major display and lighting OEMs globally.

Innovation and Market Focus:

• Heavy investment in R&D for ultra-thin and high-haze diffusion plates

• Strategic partnerships with global TV and monitor brands

• Focus on developing halogen-free and environmentally friendly materials

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9️⃣ 2. Jiangxi SUNFLEX Optical Technology Co., Ltd

Headquarters: Ji’an City, Jiangxi, China
Key Offering: Custom PC Diffusion Plates, Optical Grade PC Sheets

SUNFLEX Optical Technology specializes in the research, development, and production of optical polymer materials. The company has built a robust manufacturing infrastructure capable of producing large-format PC diffusion plates for commercial LED lighting and large-area LCD backlight units.

Innovation and Market Focus:

• Advanced surface micro-structure technology for superior light control

• Vertical integration from raw PC resin to finished optical plates

• Strong export presence in European and North American markets

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8️⃣ 3. Changzhou Fengsheng Opto-Electronics Co.,Ltd

Headquarters: Changzhou, Jiangsu, China
Key Offering: PC/PMMA Composite Plates, Multi-layer Diffusion Solutions

Changzhou Fengsheng is a prominent player in the opto-electronics materials sector, offering a wide array of light diffusion solutions. The company excels in producing composite plates that combine the benefits of polycarbonate and acrylic for optimized optical performance and cost efficiency.

Innovation and Market Focus:

• Pioneering work in hybrid PC/PMMA materials for enhanced durability

• Customizable optical properties for specific application requirements

• Compliance with international safety and performance standards

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PC Light Diffusion Plate Market – View in Detailed Research Report

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7️⃣ 4. Opto Engineering

Headquarters: Mantova, Italy
Key Offering: Precision Optical Components, LED Diffusion Plates

Opto Engineering brings European engineering precision to the light diffusion plate market. The company specializes in high-quality optical components for machine vision, industrial imaging, and specialized lighting applications, where precise light control is critical.

Innovation and Market Focus:

• Focus on high-precision, application-specific diffusion solutions

• Strong presence in industrial and machine vision sectors

• Continuous development of anti-glare and high-transmission coatings

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6️⃣ 5. MISUMI Group Inc.

Headquarters: Tokyo, Japan
Key Offering: Standardized PC Plates, FA & Automation Components

MISUMI is a global leader in the manufacturing and distribution of precision components, including a comprehensive range of standardized PC light diffusion plates. Their strength lies in providing quick delivery and consistent quality for automation equipment and electronic device manufacturing.

Innovation and Market Focus:

• Extensive catalog of standardized sizes and thicknesses (0.5mm to 1.5mm)

• Strong logistics network enabling rapid global distribution

• Integration with other components for complete assembly solutions

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5️⃣ 6. KEYENCE Corporation

Headquarters: Osaka, Japan
Key Offering: Sensor Systems, Measurement Instruments, Optical Components

While primarily known for its sensors and automation equipment, KEYENCE also supplies high-performance optical components, including specialized light diffusion plates for its integrated systems. Their plates are engineered for maximum performance in demanding industrial and scientific applications.

Innovation and Market Focus:

• Application-engineered diffusion for machine vision and inspection systems

• Focus on consistency and reliability for industrial environments

• Direct technical support and customization services

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4️⃣ 7. RINA TECH Pte. Ltd.

Headquarters: Singapore
Key Offering: Optical Films, Light Guides, Diffusion Plates

RINA TECH serves as a key supplier in the Asian optical materials market, providing PC diffusion plates and related components to display manufacturers. The company has established itself as a reliable partner for mid-range display applications and commercial lighting solutions.

Innovation and Market Focus:

• Balanced performance-to-cost ratio for competitive markets

• Strong supply chain relationships across Southeast Asia

• Continuous improvement in optical efficiency and manufacturing yields

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3️⃣ 8. Qingdao Gon Technology Co.,Ltd

Headquarters: Qingdao, Shandong, China
Key Offering: PC Sheets, Light Diffusion Panels, Extruded Plastic Products

Qingdao Gon Technology has built expertise in plastic extrusion technology, producing consistent quality PC diffusion plates for various lighting applications. The company focuses on serving the domestic Chinese market while expanding its international footprint.

Innovation and Market Focus:

• Specialization in extrusion-processed PC plates for uniform quality

• Cost-effective solutions for high-volume lighting applications

• Growing capacity to meet increasing domestic demand

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2️⃣ 9. Changzhou Fusion New Material Co., Ltd

Headquarters: Changzhou, Jiangsu, China
Key Offering: Optical Grade PC, Modified Plastics, Composite Materials

Changzhou Fusion New Material focuses on the development and production of modified plastics and new polymer materials. Their PC light diffusion plates benefit from proprietary compounding technologies that enhance optical properties and mechanical strength.

Innovation and Market Focus:

• Material modification expertise for enhanced diffusion performance

• Research into flame-retardant and UV-stable PC formulations

• Collaboration with academic institutions for material innovation

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1️⃣ 10. Yongtek

Headquarters: Seoul, South Korea
Key Offering: Optical Films, Polarizers, PC Diffusion Plates

Yongtek is a South Korean specialist in optical component manufacturing, serving the display industry with high-quality PC diffusion plates. The company leverages South Korea’s strong electronics manufacturing ecosystem to supply components for premium display applications.

Innovation and Market Focus:

• Focus on high-end display applications requiring precise optical control

• Strong technical support and customization capabilities

• Strategic positioning within the Asian display manufacturing hub

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PC Light Diffusion Plate Market – View in Detailed Research Report

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🌍 Outlook: The Future of PC Light Diffusion Plates Is Brighter and Smarter

The PC light diffusion plate market is undergoing a transformative phase. While standard plates continue to dominate volume production, the industry is rapidly advancing towards high-performance, multi-functional materials that offer enhanced optical properties, thinner profiles, and improved sustainability.

📈 Key Trends Shaping the Market:

• Accelerating demand for ultra-thin (0.5mm and below) plates in portable electronics

• Growing adoption of micro-LED and mini-LED technologies requiring precise light control

• Increasing regulatory emphasis on energy efficiency driving innovation in light extraction

• Development of anti-glare and anti-reflection surface treatments for enhanced user experience

Get Full Report Here:
PC Light Diffusion Plate Market – View in Detailed Research Report

The companies profiled above are not merely supplying components—they are enabling the next generation of visual technology that defines how we interact with information and our environment.