1、 IEC 61747-40-1 Edition 2.0 2019-04 INTERNATIONAL STANDARD Liquid crystal display devices Part 40-1:Mechanical testing of display cover glass for mobile devices Guidelines IEC 61747-40-1:2019-04(en)THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2019 IEC,Geneva,Switzerland All rights reserved.Unle
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9、cations issued since 2002.Some entries have been collected from earlier publications of IEC TC 37,77,86 and CISPR.IEC 61747-40-1 Edition 2.0 2019-04 INTERNATIONAL STANDARD Liquid crystal display devices Part 40-1:Mechanical testing of display cover glass for mobile devices Guidelines INTERNATIONAL E
10、LECTROTECHNICAL COMMISSION ICS 31.120 ISBN 978-2-8322-6800-1 Registered trademark of the International Electrotechnical Commission Warning!Make sure that you obtained this publication from an authorized distributor.2 IEC 61747-40-1:2019 IEC 2019 CONTENTS FOREWORD.3 INTRODUCTION.5 1 Scope.6 2 Normati
11、ve references.6 3 Terms and definitions.6 4 Mechanical performance testing guidelines.7 4.1 General.7 4.2 Mechanical testing guidelines for display cover glass for mobile devices.8 5 Brief overview of mechanical test methods.9 5.1 Edge strength.9 5.2 Surface impact resistance(energy-to-failure).9 5.
12、3 Surface strength.9 5.4 Resistance against sharp contact surface damage and propagation under rigid support(energy-to-failure).9 5.5 Retained surface strength.10 Bibliography.11 Table 1 Comprehensive list of cover glass testing methods.8 Table 2 Matrix of cover glass test methods and glass conditio
13、n.9 IEC 61747-40-1:2019 IEC 2019 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ LIQUID CRYSTAL DISPLAY DEVICES Part 40-1:Mechanical testing of display cover glass for mobile devices Guidelines FOREWORD 1)The International Electrotechnical Commission(IEC)is a worldwide organization for standardization
14、 comprising all national electrotechnical committees(IEC National Committees).The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields.To this end and in addition to other activities,IEC publishes International Sta
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