IEC IEC63211-3-2 Edition1.02025-04 INTERNATIONAL STANDARD Durability test methods for electronic displays - Part 3-2: Mechanical tests -Static stress IEC 63211-3-2:2025-04(en) THISPUBLICATIONISCOPYRIGHTPROTECTED Copyright2025IEC,Geneva,Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or your local IEC member National Committee for further information. IEC Secretariat Tel.: +41 22 919 02 11 3, rue de Varembe [email protected] CH-1211 Geneva 20 www.iec.ch Switzerland About the IEC The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes International Standards for all electrical, electronic and related technologies. AboutIEC publications The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the latest edition, a corrigendum or an amendment might have been published. IEC publications search-webstore.iec.ch/advsearchform IEC Products & Services Portal - products.iec.ch The advanced search enables to find IEC publications by a Discover our powerful search engine and read freely all the varietyof criteria(reference number,text, technical publications previews, graphical symbols and the glossary. committee, ...). It also gives information on projects, replaced With a subscription you will always have access to up to date and withdrawn publications. content tailored to your needs. IEc Just Published -webstore.iec.ch/justpublished Electropedia-www.electropedia.org Stay up to date on all new IEC publications. Just Published The world's leading online dictionary on electrotechnology. details all new publications released. Available online and once containing more than 22 500 terminological entries in English a month by email. and French, with equivalent terms in 25 additional languages. Also known as the International Electrotechnical Vocabulary IEc Customer Service Centre - webstore.iec.ch/csc (IEV) online. If you wish to give us your feedback on this publication or need further assistance, please contact the Customer Service Centre: [email protected]. IEC IEC63211-3-2 Edition 1.02025-04 INTERNATIONAL STANDARD Durabilitytestmethodsforelectronicdisplays- Part 3-2: Mechanical tests - Static stress INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 31.120 ISBN 978-2-8327-0385-4 Warning! Make sure that you obtained this publication from an authorized distributor. Registered trademark of the International Electrotechnical Commission IEC63211-3-2:2025IEC2025 CONTENTS FOREWORD INTRODUCTION 6 1 Scope. 2 Normative references.. 3 Terms and definitions... Standard measuring conditions 4 4.1 Standard environmental measuring conditions. 4.2 Safety... 4.3 Number of the specimen.. 4.4 Stress rate or strain rate.. 4.5 Test side of a display 5 Two-point bend. 5.1 General 5.2 Apparatus 5.2.1 Overview. 5.2.2 Faceplates. 9 5.2.3 Face plate loading apparatus ... 5.2.4 Base..... 9 5.2.5 Testprocedure.. 10 5.2.6 Stress measurement and calculation. 10 5.3 Failure criteria. 11 6 Four-point bend. 11 6.1 General 11 6.2 Apparatus. 6.2.1 Testing machine . 12 6.2.2 Test fixture and setup.. 6.2.3 Displacement rate... 6.3 Procedure.. 13 6.3.1 Test procedure 13 6.3.2 14 6.4 Failure criteria. 14 Ring-on-ring. 14 7.1 General. 14 7.2 Apparatus. 7.2.1 Testing machine 15 7.2.2 Test fixture and setup.. 15 7.2.3 Loading rate.. 17 7.3 Procedure..... 7.3.1 Test procedure. 17 18 7.3.2 Stress measurement and calculation 7.4 Failure criteria... 8 Point loading test.. 18 8.1 18 General 8.2 Apparatus 8.3 Test procedure 19 8.3.1 Static loading resistance. 19 IEC63211-3-2:2025IEC2025 - 3 - 8.3.2 Quasi-static failure load 19 8.3.3 Stressmeasurementand calculation. 19 8.4 Fa