1、 IEC 61747-40-6 Edition 1.0 2018-02 INTERNATIONAL STANDARD Liquid crystal display devices Part 40-6:Mechanical testing of display cover glass for mobile devices Retained biaxial flexural strength(abraded ring-on-ring)IEC 61747-40-6:2018-02(en)colourinside THIS PUBLICATION IS COPYRIGHT PROTECTED Copy
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10、/csc If you wish to give us your feedback on this publication or need further assistance,please contact the Customer Service Centre:salesiec.ch.IEC 61747-40-6 Edition 1.0 2018-02 INTERNATIONAL STANDARD Liquid crystal display devices Part 40-6:Mechanical testing of display cover glass for mobile devi
11、ces Retained biaxial flexural strength(abraded ring-on-ring)INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 31.120 ISBN 978-2-8322-5339-7 Registered trademark of the International Electrotechnical Commission Warning!Make sure that you obtained this publication from an authorized distributor.colourinsi
12、de 2 IEC 61747-40-6:2018 IEC 2018 CONTENTS FOREWORD.3 INTRODUCTION.5 1 Scope.6 2 Normative references.6 3 Terms and definitions.6 4 General.7 5 Apparatus.8 5.1 Testing environment and pre-conditioning.8 5.2 Abrasion device.8 5.3 Abrasion material.10 5.4 Pressurization source.10 6 Procedure.10 6.1 Sa
13、fety.10 6.1.1 Hazard Broken glass.10 6.1.2 Hazard Airborne particulate.10 6.2 Sample.10 6.3 Abrasion testing Individual specimen.11 6.4 Complete the report.11 7 Retained failure load testing.11 8 Specifications.11 Annex A(informative)Check depth measurement.12 Bibliography.15 Figure 1 Abrasion devic
14、e.9 Figure 2 Specimen holder.10 Figure A.1 Schematic of fracture surface with measurement of check depth.12 Figure A.2 Check depth measurement for grit particle abraded glass Example 1.12 Figure A.3 Check depth measurement for grit particle abraded glass Example 2.13 Figure A.4 Check depth measureme
15、nt for grit particle abraded glass Example 3.13 Figure A.5 Check depth measurement for grit particle abraded glass Example 4.14 IEC 61747-40-6:2018 IEC 2018 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ LIQUID CRYSTAL DISPLAY DEVICES Part 40-6:Mechanical testing of display cover glass for mobile dev
16、ices Retained biaxial flexural strength(abraded ring-on-ring)FOREWORD 1)The International Electrotechnical Commission(IEC)is a worldwide organization for standardization 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 Standards,Technical Specifications