Overview
IEC 63203-301-1:2024 is an International Standard developed by the International Electrotechnical Commission (IEC), focusing on wearable electronic devices and technologies. Specifically, this standard specifies the procedures and definitions for the test method of electrochromic films used in wearable equipment. Electrochromic films are thin layers that change color under an applied electric field, which can be leveraged for smart textiles and functional wearables. This document provides standardized methods to assess the key optical properties and long-term performance of such films, excluding their use in display technologies.
Key Topics
- Electrochromic Properties: The standard addresses characteristics such as color-changing range in visible light, transmittance, and response time of electrochromic films.
- Test Methodology: Detailed procedures for the measurement of transmittance, response times for bleaching and darkening states, and evaluation of long-term stability through cyclic testing.
- Definitions: Clarification of key terms including transmittance, response time, bleaching time, darkening time, and long-term stability, aligned with IEC and ISO vocabulary standards.
- Required Equipment: Guidance on test setup, including voltage generators, spectrometers, sample stages, optical measurement systems, light sources adjustable from 380 nm to 750 nm, and photodetectors.
- Measurement Environment: Specification of environmental conditions such as temperature, humidity, and lighting for reliable and reproducible results.
Applications
Electrochromic films in wearable equipment have a range of innovative applications, thanks to their dynamic optical properties:
- Smart Textiles: Integration into clothing for adjustable tint or coloration, which can be triggered by environmental factors or user control.
- Sunlight Adaptive Wearables: Use in sportswear, outdoor gear, or accessories to manage heat and light transmission based on surrounding conditions.
- Fashion and Aesthetics: Development of color-changing garments and wearable accessories, offering personalized or interactive visual effects.
- Protective Wear: Enhancement of safety gear by dynamically adapting visibility or signaling under different lighting conditions.
By providing standardized testing procedures, IEC 63203-301-1:2024 ensures consistent product quality and performance metrics which are crucial for manufacturers, testing laboratories, and researchers in the field of wearable technologies.
Related Standards
When implementing or referencing IEC 63203-301-1:2024 for electrochromic films in wearable equipment, consider these closely related standards:
- IEC 60068-1: Environmental testing - General and guidance on setup for consistent and credible test environments.
- ISO 13468-1: Plastics – Determination of total luminous transmittance for transparent materials – used for correlating measurement techniques.
- IEC Electropedia and ISO Online Browsing Platform: For up-to-date definitions and terminology in the fields of optics, electronics, and smart materials.
Other documents in the IEC 63203 series detail specific aspects of wearable electronic devices and technologies, supporting comprehensive standardization for this rapidly developing industry sector.
For manufacturers, researchers, and conformity assessment bodies, IEC 63203-301-1:2024 establishes a robust, internationally-accepted basis for evaluating and comparing the performance of electrochromic films in wearable applications, thereby promoting innovation, interoperability, and user safety in smart, functional textiles.
Open preview (PDF)Wearable electronic devices and technologies - Part 301-1: Test method of electrochromic films for wearable equipment