IEC 62679-4-2:2016 PDF

Name: IEC 62679-4-2:2016 — Electronic paper displays - Part 4-2: Environmental test methods
SKU: IEC 62679-4-2:2016
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Electronic paper displays - Part 4-2: Environmental test methods

Название (английский):

IEC 62679-4-2:2016

Electronic paper displays - Part 4-2: Environmental test methods

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 26
Дата публикации:: 29 августа 2016 г.
Издание:: IEC IS 62679 edition 1 version 1
ICS:: 31.120

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Описание (английский):

IEC 62679-4-2:2016(E) specifies the environmental conditions to determine the environmental reliability of electronic paper display (EPD) panels and/or modules for storage under the assumed usage environment. The scope of this document is restricted to EPDs using either segment, passive, or active matrix with either monochromatic or colour type displays. The measuring methods are intended for EPDs operated in a reflective mode.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

IEC 62679-4-2:2016 - Electronic paper displays (EPD) - Environmental test methods

Overview

IEC 62679-4-2:2016 defines environmental test methods to determine the environmental reliability of electronic paper displays (EPDs) - panels and modules - during storage under assumed usage conditions. The scope is limited to segment, passive and active matrix EPDs, in monochrome or colour, and is intended for devices operated in reflective mode. The standard sets out measuring conditions, recovery procedures and test methods relevant to storage, temperature, humidity, pressure and light exposure.

Key topics and requirements

Measuring and reference conditions

Standard measuring environmental conditions and atmospheric reference conditions for repeatable measurements.
Defined recovery conditions and procedures to assess reversible/irreversible effects after stress.

Environmental storage tests

High temperature and low temperature storage tests to verify long‑term stability in extremes.
Temperature shock tests (two‑chamber) and specified temperature change rate tests (one‑chamber) to assess robustness to rapid thermal transitions.

Temperature/humidity tests

Combination temperature/humidity test and temperature/humidity cycling to simulate real-world moisture and thermal cycling.

Low air pressure

Low pressure (altitude) test method for storage when evacuated or transported at reduced pressure.

Light exposure and solar simulation

Procedures for light exposure including direct sunlight, daylight through window glass and inner part exposures.
Guidance on solar spectral irradiance, use of xenon‑arc lamps and calibration against CIE solar spectra.

Reporting

Required information to include in specifications and test reports for traceability and comparability.

Practical applications - who uses this standard

EPD manufacturers - to validate storage robustness, material choices and module assembly.

Test laboratories and qualification teams - to execute standardized environmental and light exposure tests.

OEMs and integrators - to specify storage and transport requirements for e‑readers, signage and low‑power reflective displays.

Procurement, reliability and warranty engineers - to set acceptance criteria and reduce field failures related to environmental stress.

Related standards and references

IEC 62679-1-1 (Terminology)

IEC 62679-3-1 (Optical measuring methods)

IEC 60068-1 and IEC 60068-2-38 (environmental testing general guidance and composite temp/humidity cyclic tests)

CIE 085-1989 (Solar spectral irradiance) - used for light exposure references

Using IEC 62679-4-2 ensures consistent, repeatable environmental qualification of reflective EPDs, improving product reliability, field performance and supply‑chain confidence.

IEC 62679-4-2:2016 PDF

Abstract

Похожие стандарты

IEC 62679-4-2:2016 - Electronic paper displays (EPD) - Environmental test methods

Overview

Key topics and requirements

Practical applications - who uses this standard

Related standards and references

Технические детали

BS IEC 62679-1-1:2014

Electronic paper displays - Terminology

BS IEC 62679-3-1:2014

Electronic paper displays - Optical measuring methods

26/30557163 DC

BS EN IEC 60068-1. Environmental testing - Part 1. General and guidance

IEC 60068-2-38:2009

Environmental testing - Part 2-38: Tests - Test Z/AD: Composite temperature/humidity cyclic test

BS IEC 62679-4-2:2016

Electronic paper displays - Environmental test methods