Optically Clear Polyimide Sheets Film Thermally Conductive For Advanced Optoelectronics

Product Overview

Our optically clear ultra-high-temperature polyimide film represents a material breakthrough for advanced optoelectronic applications demanding both exceptional optical clarity and extreme thermal resilience. Engineered with a proprietary molecular design and nano-hybrid structure, this film delivers unmatched transparency stability under high-temperature conditions where conventional transparent polymers fail. It enables innovative solutions in flexible displays, high-temperature optical systems, and next-generation photonics requiring long-term reliability under thermal stress.

Key Features

1. Exceptional Optical-Thermal Stability

   • Maintains >90% transmittance (400-700 nm) after 500 hours at 300°C

   • Yellowing index <2.0 after 1000 hours at 200°C (80% improvement over standard transparent polyimide)

   • Haze value <1.0% even after thermal aging

2. Unprecedented High-Temperature Performance

   • Continuous operating temperature up to 450°C with minimal property degradation

   • Glass transition temperature (Tg) exceeding 350°C

   • Coefficient of thermal expansion <15 ppm/°C (20-200°C range)

3. Enhanced Mechanical Durability

   • 40% higher fold endurance compared to conventional transparent polyimide films

   • Tensile strength >200 MPa with elongation at break >80%

   • Rockwell hardness >100M scale for scratch resistance

4. Advanced Surface Functionality

   • Tunable surface energy (40-70 dynes/cm) for optimized coating adhesion

   • Excellent compatibility with ITO, silver nanowire, and other transparent conductive coatings

   • Low outgassing characteristics for vacuum environment applications

Downstream Applications

1. Flexible Displays & Electronics

   • Cover window material for foldable OLED displays

   • Substrate for flexible touch sensors and transparent circuits

   • Protective overlay for flexible solar cells

2. High-Temperature Optoelectronics

   • Optical filters and windows for high-temperature sensors

   • Light guide plates for high-brightness LED systems

   • Optical membranes for aerospace and defense systems

3. Semiconductor & Precision Optics

   • Mask aligner membranes for semiconductor lithography

   • Optical elements in high-temperature imaging systems

   • Protective coatings for precision optical components

4. Automotive & Aerospace

   • Head-up display components for automotive applications

   • Optical sensors for aircraft engine monitoring systems

   • Lightweight optical components for satellite systems

5. Advanced Lighting & Energy

   • High-temperature diffusers for specialty lighting

   • Transparent substrates for concentrated photovoltaic systems

   • Optical components for high-power laser systems