IEC 61747-2:2015 PDF

Liquid crystal display devices - Part 2: Liquid crystal display modules - Sectional specification

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Title (English):

IEC 61747-2:2015

Liquid crystal display devices - Part 2: Liquid crystal display modules - Sectional specification

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 14
Publication date:: April 9, 2015
Edition:: IEC IS 61747 edition 2 version 1
ICS:: 31.120

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Description (English):

IEC 61747-2:2015(E) applies to liquid crystal display modules such as the following: - static/segment type liquid crystal display modules; - passive matrix monochrome liquid crystal display modules; - passive matrix colour liquid crystal display modules; - active matrix monochrome liquid crystal display modules; - active matrix colour liquid crystal display modules. It gives details of the quality assessment procedures, inspection requirements, screening sequences, sampling requirements, and test and measurement procedures required for the assessment of liquid crystal display modules. This edition includes the following significant technical changes with respect to the previous edition: a) This version is applicable only for liquid crystal displays. b) All the references to IECQ and QC were removed in accordance with ISO/IEC Directives. c) The normative references were updated. This publication is to be read in conjunction with IEC 61747-1-1:2014.

Technical details

Technical committee: TC 110 - Electronic displays
SKU: IEC 61747-2:2015

Abstract

Overview

IEC 61747-2:2015 - "Liquid crystal display devices - Part 2: Liquid crystal display modules - Sectional specification" is the IEC sectional standard that defines quality assessment and conformity procedures for a wide range of liquid crystal display (LCD) modules. This second edition (2015) replaces the 1998 edition and is intended to be read in conjunction with IEC 61747-1-1:2014. It specifically applies to static/segment, passive‑matrix (monochrome and colour) and active‑matrix (monochrome and colour) LCD modules.

Key topics

Scope of applicability: Covers various LCD module types (static/segment, passive matrix, active matrix; monochrome and colour).
Quality assessment procedures: Defines the primary stage of manufacture, production-line and production-lot concepts and the responsibilities of the designated management representative (DMR).
Manufacturing process classification: Breaks down module manufacture into connection of electronic circuits, finishing with final electrical/optical measurements, and optional screening.
Major change control: Specifies what constitutes a major manufacturing or design change (e.g., driver attachment, backlight type/position, bezel material, connector changes) and the requirement for notification and test evidence.
Subcontracting requirements: Obligations for manufacturers when parts of the manufacturing or screening process are subcontracted, including documentation, verification and acceptance testing.
Structural similarity and sampling: Procedures to permit reduced testing when modules are structurally similar; includes test‑dependent criteria, sampling plans and fixed sampling sizes.
Inspection and screening: Lot‑by‑lot inspections (Group A/B), periodic tests (Group C/D), screening sequences and the detailed test and measurement procedures required for module assessment.
Normative references updated and removal of IECQ/QC references in line with ISO/IEC Directives.

Applications and users

This standard is essential for:

LCD module manufacturers and contract manufacturers for establishing and documenting quality control and change‑management processes.
Quality assurance and production engineers implementing inspection, screening and sampling programs for LCD modules.
Procurement specialists and OEMs specifying acceptance and qualification criteria for supplied LCD modules.
Independent test laboratories performing conformity and environmental/functional testing per IEC procedures.

Practical benefits include tighter control of manufacturing changes, consistent acceptance testing, clear subcontracting responsibilities, and harmonized sampling and screening methods for LCD module quality assurance.

Related standards

IEC 61747-1-1:2014 (Generic specification for LCD devices) - to be used together with IEC 61747-2:2015
IEC 61747-10-1 and IEC 61747-10-2 (Mechanical, environmental and endurance test methods)

Keywords: IEC 61747-2:2015, liquid crystal display modules, LCD modules quality assessment, inspection requirements, screening sequences, sampling requirements, test and measurement procedures, passive matrix, active matrix.

Related standards

Standards mentioned in the description

Abstract

Overview

Key topics

Scope of applicability: Covers various LCD module types (static/segment, passive matrix, active matrix; monochrome and colour).
Quality assessment procedures: Defines the primary stage of manufacture, production-line and production-lot concepts and the responsibilities of the designated management representative (DMR).
Manufacturing process classification: Breaks down module manufacture into connection of electronic circuits, finishing with final electrical/optical measurements, and optional screening.
Major change control: Specifies what constitutes a major manufacturing or design change (e.g., driver attachment, backlight type/position, bezel material, connector changes) and the requirement for notification and test evidence.
Subcontracting requirements: Obligations for manufacturers when parts of the manufacturing or screening process are subcontracted, including documentation, verification and acceptance testing.
Structural similarity and sampling: Procedures to permit reduced testing when modules are structurally similar; includes test‑dependent criteria, sampling plans and fixed sampling sizes.
Inspection and screening: Lot‑by‑lot inspections (Group A/B), periodic tests (Group C/D), screening sequences and the detailed test and measurement procedures required for module assessment.
Normative references updated and removal of IECQ/QC references in line with ISO/IEC Directives.

Applications and users

This standard is essential for:

LCD module manufacturers and contract manufacturers for establishing and documenting quality control and change‑management processes.
Quality assurance and production engineers implementing inspection, screening and sampling programs for LCD modules.
Procurement specialists and OEMs specifying acceptance and qualification criteria for supplied LCD modules.
Independent test laboratories performing conformity and environmental/functional testing per IEC procedures.

Related standards

IEC 61747-1-1:2014 (Generic specification for LCD devices) - to be used together with IEC 61747-2:2015
IEC 61747-10-1 and IEC 61747-10-2 (Mechanical, environmental and endurance test methods)

IEC 61747-2:2015 PDF

Technical details

Abstract

Overview

Key topics

Applications and users

Related standards

Related standards

Abstract

Overview

Key topics

Applications and users

Related standards

Related standards

Liquid crystal display devices - Part 1-1: Generic - Generic specification

Liquid crystal display devices - Part 10-1: Environmental, endurance and mechanical test methods - Mechanical

Liquid crystal display devices - Part 10-2: Environmental, endurance and mechanical test methods - Environmen…