TECHNOLOGY DESCRIPTION
Introduction
Learn more about E Ink and how our technology works.
Materials for Flexible Substrates
Polyimide (PI) Varnish
PI (Polyimide) varnish can be used as a flexible substrate, enabling mass production of flexible displays. PI varnish is offered to display manufacturers.
Features
- High thermal resistance and stability
 - Low thermogravimetric under high temperature
 - Low retardation
 - High optical performance
 - Low coefficient of thermal expansion (CTE)
 
PoIyimide (PI) Roll
PI is offered in coated rolls for use in the manufacturing process of flexible displays.
Features
- Low retardation
 - High optical performance
 - High stability
 
E Ink Model and Applications
- ETPI-100: Cover film
 - ETPI-200: High optical and low retardation
 - ETPI-300: Transparent, high thermal resistance, and high transmissivity applications
 - ETPI-400: High optical performance, low coefficient of thermal expansion (CTE)
 - EYPI-500: Brown, high thermal resistance substrate
 - ETPI-600: Transparent and high thermal resistance LTPS
 
Functional Films
Anti-Glare Film
AG film is applied on ePaper displays to help achieve an anti-glare viewing experience.
Features
- Surface hardness
 - UV-Cut
 - Adjustable thickness
 - Customized surface/optical properties
 - Conductivity and ESD control
 - Pre-applied OCA (Optically Clear Adhesives)
 
Optically Clear Adhesive
Optically clear adhesive is used for touch display lamination.
Features
- Durability and weather resistance
 - High quality of wetting and adhesion performance
 - Easy bubble removal
 - Adjustable light and heavy release force
 
Moisture Barrier Film
Moisture barrier film helps prevent moisture from entering ePaper display modules.
Features
- Moisture resistance
 - UV-Cut
 - Thermal stability
 - Customized optical properties
 - ESD control
 - Surface hardness
 
Conductive Release Film
Conductive release film is used during ePaper display conductivity tests.
Features
- Uniformity control
 - Conductivity control
 - Appearance control