Customer Case: DNP Adopts Hefei Guofeng Advanced Basic Materials Co., Ltd.'s Polyimide Film Solution
Customer: DNP (Dai Nippon Printing Co., Ltd.)
Project Type: Application of High-Performance Polyimide Films in Flexible Electronics and Display Technology
Cooperation Date: March 2025
Background
As a global leader in electronic materials and precision printing technology, DNP is dedicated to developing next-generation flexible displays and high-end electronic devices. The project required polyimide films with exceptional heat resistance, dimensional stability, and electrical insulation properties to meet the demands of flexible OLED display substrates and high-frequency circuit boards.
Challenges
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High-Performance Material Requirements: The polyimide films needed to maintain stable mechanical properties and a low coefficient of thermal expansion under high-temperature processes.
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Technical Consistency: Ensuring material uniformity and reliability in mass production.
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Sustainability: The materials had to comply with environmental standards, supporting green manufacturing and product lifecycle management.
Guofeng Materials Solution
Hefei Guofeng Advanced Basic Materials Co., Ltd. provided DNP with tailored high-performance polyimide film products, including:
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High-Temperature Resistant Polyimide Film
Utilizing advanced synthesis and casting processes, the product can withstand long-term use at temperatures above 400°C, with a thermal expansion coefficient below 10 ppm/°C, perfectly meeting the requirements of flexible displays and advanced packaging. -
Excellent Mechanical and Electrical Properties
The film exhibits high tensile strength, low dielectric constant, and low loss factor, meeting the needs of high-frequency circuit applications. -
Mass Production and Quality Assurance
Fully automated production lines and strict quality control systems ensure consistent performance and high yield across batches. -
Environmental Sustainability
The product complies with RoHS and REACH standards, with some models using green monomers for synthesis, supporting DNP’s environmental goals.
Outcomes
The polyimide films provided by Guofeng Materials were successfully applied in DNP’s flexible displays and advanced electronic devices, significantly enhancing product performance and production efficiency. The collaboration not only strengthened the supply chain relationship but also laid the foundation for future cooperation in more high-end fields.