Overview
ISO/TR 9241-310:2010 is a Technical Report in the ISO 9241 series on ergonomics of human‑system interaction. Published in 2010, it summarizes the available knowledge at that time about pixel defects in electronic displays and provides guidance on how to specify and assess them from an ergonomic, visibility and aesthetic perspective. The report is informative (non‑normative) - it does not set mandatory limits, but is intended to support quality criteria, procurement specifications and future revisions of related ISO 9241 parts.
Key topics
- Scope and purpose: Reviews human factors considerations relevant to pixel defects and their impact on user performance and comfort.
- Visibility and perception: Discussion of how human vision, viewing distance, contrast and display content influence the visibility thresholds of defective pixels.
- Aesthetic assessment: Guidance on how aesthetic acceptability interacts with task requirements and user expectations when evaluating pixel defects.
- Specification elements: Recommendations for the kinds of information that can be used to specify pixel defects (e.g., defect type, size, location and conditions of observation) without prescribing specific numeric limits.
- Assessment and measurement considerations: Overview of pragmatic approaches for assessing pixel defects under controlled lighting and viewing conditions to ensure repeatable evaluation.
- Human-centred approach: Emphasis on ergonomics principles - considering both functional impact (does a defect impair the task?) and subjective acceptability (is the defect distracting or objectionable?).
Applications
ISO/TR 9241-310 is practical for professionals who need to manage display quality with a human-centred perspective:
- Display manufacturers - to inform internal quality-control criteria and inspection procedures.
- QA engineers and test laboratories - to design repeatable assessment protocols for pixel defects and determine inspection conditions.
- Product designers and ergonomists - to evaluate how display defects affect user experience and usability.
- Procurement and service teams - to write clearer acceptance, warranty and return policies for electronic displays.
- Standards developers - to use as background material when revising normative requirements in the ISO 9241 family.
Related standards
- ISO 9241 series (ergonomics of human‑system interaction) - ISO/TR 9241-310 complements other parts that address display requirements and human factors.
- Manufacturer and industry-specific display quality guides - can be aligned with the ergonomic guidance in ISO/TR 9241-310.
Keywords: ISO/TR 9241-310, pixel defects, display quality, visibility thresholds, ergonomics, human‑system interaction, display aesthetics, ISO 9241.
Open preview (PDF)Ergonomics of human-system interaction — Part 310: Visibility, aesthetics and ergonomics of pixel defects
