EN 62341-5-2-2013 en Organic light emitting diode (OLED) displays - Part 5-2 Mechanical endurance testing methods.pdf

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1、BSI Standards PublicationOrganic light emitting diode (OLED) displaysPart 5-2: Mechanical endurance testing methodsBS EN 62341-5-2:2013National forewordThis British Standard is the UK implementation of EN 62341-5-2:2013. It isidentical to IEC 62341-5-2:2013.The UK participation in its preparation wa

2、s entrusted to TechnicalCommittee EPL/47, Semiconductors.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions ofa contract. Users are responsible for its correct application. The Bri

3、tish Standards Institution 2013.Published by BSI Standards Limited 2013ISBN 978 0 580 69852 1ICS 31.260Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 30 September

4、 2013.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 62341-5-2:2013EUROPEAN STANDARD EN 62341-5-2 NORME EUROPENNE EUROPISCHE NORM September 2013 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Euro

5、pisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B - 1000 Brussels 2013 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 62341-5-2:2013 E ICS 31.260 English version Organic light emittin

6、g diode (OLED) displays - Part 5-2: Mechanical endurance testing methods (IEC 62341-5-2:2013) Afficheurs diodes lectroluminescentes organiques (OLED) - Partie 5-2: Mthodes dessais dendurance mcanique (CEI 62341-5-2:2013) Anzeigen mit organischen Leuchtdioden (OLED) - Teil 5-2: Prfverfahren fr mechan

7、ische Belastbarkeit (IEC 62341-5-2:2013) This European Standard was approved by CENELEC on 2013-08-13. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alterati

8、on. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other language mad

9、e by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech R

10、epublic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdo

11、m. BS EN 62341-5-2:2013EN 62341-5-2:2013 - 2 - Foreword The text of document 110/472/FDIS, future edition 1 of IEC 62341-5-2, prepared by IEC TC 110 “Electronic display devices“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 62341-5-2:2013. The following dates are fixed

12、: latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2014-05-13 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2016-08-13 Attention is drawn to the po

13、ssibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standard IEC 62341-5-2:2013 was approved by CENELEC as a European

14、 Standard without any modification. BS EN 62341-5-2:2013- 3 - EN 62341-5-2:2013 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively referenced in this document and are ind

15、ispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE When an international publication has been modified by common modifications, indicated by (mod), the re

16、levant EN/HD applies. Publication Year Title EN/HD Year IEC 60068-2-6 2007 Environmental testing - Part 2-6: Tests - Test Fc: Vibration (sinusoidal) EN 60068-2-6 2008 IEC 60068-2-27 2008 Environmental testing - Part 2-27: Tests - Test Ea and guidance: Shock EN 60068-2-27 2009 IEC 61747-5 1998 Liquid

17、 crystal and solid-state display devices - Part 5: Environmental, endurance and mechanical test methods EN 61747-5 1998 IEC 61747-5-3 (mod) 2009 Liquid crystal display devices - Part 5-3: Environmental, endurance and mechanical test methods - Glass strength and reliability EN 61747-5-3 2010 IEC 6234

18、1-1-2 2007 Organic light emitting diode displays - Part 1-2: Terminology and letter symbols EN 62341-1-2 2009 IEC 62341-5 2009 Organic Light Emitting Diode (OLED) displays - Part 5: Environmental testing methods EN 62341-5 2009 IEC 62341-6-1 2009 Organic light emitting diode (OLED) displays - Part 6

19、-1: Measuring methods of optical and electro-optical parameters EN 62341-6-1 2011 IEC 62341-6-2 2012 Organic light emitting diode (OLED) displays - Part 6-2: Measuring methods of visual quality and ambient performance EN 62341-6-2 2012 ISO 2206 1987 Packaging - Complete, filled transport packages -

20、Identification of parts when testing EN 22206 1992 ISO 2248 1985 Packaging - Complete, filled transport packages - Vertical impact test by dropping EN 22248 1992 BS EN 62341-5-2:2013 2 62341-5-2 IEC:2013 CONTENTS 1 Scope . 6 2 Normative references . 6 3 Terms and definitions . 7 4 Abbreviations . 7

21、5 Standard atmospheric conditions 7 6 Evaluations 7 Visual examination and verification of dimensions . 7 6.1Reporting 8 6.27 Mechanical endurance test methods . 8 General . 8 7.1Vibration (sinusoidal) . 8 7.2General . 8 7.2.1Purpose . 8 7.2.2Test apparatus 8 7.2.3Test procedure 8 7.2.4Evaluation .

22、11 7.2.5Shock 11 7.3General . 11 7.3.1Purpose . 11 7.3.2Test apparatus 11 7.3.3Test procedure 11 7.3.4Evaluation . 12 7.3.5Quasistatic strength 12 7.4General . 12 7.4.1Purpose . 12 7.4.2Specimen 13 7.4.3Test apparatus 13 7.4.4Test procedure 13 7.4.5Evaluation . 14 7.4.6Four-point bending test . 14 7

23、.5General . 14 7.5.1Purpose . 14 7.5.2Specimen 14 7.5.3Test apparatus 15 7.5.4Test procedure 15 7.5.5Post-testing analysis . 16 7.5.6Evaluation . 17 7.5.7Transportation drop test 17 7.6General . 17 7.6.1Purpose . 17 7.6.2Test sample . 17 7.6.3Test procedure 17 7.6.4Evaluation . 18 7.6.5Peel strength

24、 test 18 7.7Purpose . 18 7.7.1BS EN 62341-5-2:201362341-5-2 IEC:2013 3 Test procedure 18 7.7.2Evaluation . 19 7.7.3Annex A (informative) Example of the raw test data reduction for four-point bending test . 20 Bibliography 28 Figure 1 Configuration of OLED shock test set-up 11 Figure 2 Schematic of q

25、uasistatic strength measurement apparatus example 13 Figure 3 Schematics of test apparatus and pinned bearing edges 15 Figure 4 Specimen configuration under four-point bending test 15 Figure 5 Order of transportation package drop . 18 Figure 6 Example of peeling strength test 19 Figure A.1 Specimen

26、dimensions used for sample test . 20 Figure A.3 Finite element model of test specimen 22 Figure A.4 Displacement contour map after moving down loading-bar by 2 mm 23 Figure A.5 Contour map of maximum principal stress distribution . 23 Figure A.6 Maximum principal stress and maximum stress along the

27、edge . 24 Figure A.7 Final relationship between panel strength and failure load 24 Figure A.8 Extraction of conversion factor by linear fitting 25 Figure A.9 Example of Weibull distribution of strength data and statistical outputs . 27 Figure A.10 Fitted failure probability distribution of strength

28、data . 27 Table 1 Frequency range Lower end . 9 Table 2 Frequency range Upper end . 9 Table 3 Recommended frequency ranges 10 Table 4 Recommended vibration amplitudes 10 Table 5 Conditions for shock test . 12 Table 6 Examples of test parameter combinations . 16 Table 7 Example of package drop sequen

29、ce 18 Table A.1 Results of raw test data . 21 Table A.2 Example of conversion factor (t = 0,4 mm, test span = 20 mm/40 mm) . 25 Table A.3 Failure load and converted strength data . 26 BS EN 62341-5-2:2013 6 62341-5-2 IEC:2013 ORGANIC LIGHT EMITTING DIODE (OLED) DISPLAYS Part 5-2: Mechanical enduranc

30、e testing methods 1 Scope This part of IEC 62341 defines testing methods for evaluating mechanical endurance quality of Organic Light Emitting Diode (OLED) display panels and modules or their packaged form for transportation. It takes into account, wherever possible, the environmental testing method

31、s outlined in specific parts of IEC 60068. The object of this standard is to establish uniform preferred test methods for judging the mechanical endurance properties of OLED display devices. There are generally two categories of mechanical endurance tests: those relating to the product usage environ

32、ment and those relating to the transportation environment in packaged form. Vibration, shock, quasistatic strength, four-point bending test and peel strength test are introduced here for usage environment, while transportation drop test is applicable to the transportation environment. Mechanical end

33、urance tests may also be categorized into mobile application, notebook computer or monitor application and large size TV application. Special considerations or limitations of test methods according to the size or application of the specimen will be noted. NOTE This standard is established separately

34、 from IEC 61747-5-3, because the technology of organic light emitting diodes is considerably different from that of liquid crystal devices in such matters as: used materials and structure; operation principles; measuring methods. 2 Normative references The following documents, in whole or in part, a

35、re normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60068-2-6:2007, Environmental testing Part 2-6: Te

36、stsTest Fc: Vibration (sinusoidal) IEC 60068-2-27:2008, Environmental testing Part 2-27: TestsTest Ea and guidance: Shock IEC 61747-5:1998, Liquid crystal and solid-state display devices Part 5: Environmental, endurance and mechanical test methods IEC 61747-5-3:2009, Liquid crystal display devices P

37、art 5-3: Environmental, endurance and mechanical test methods Glass strength and reliability IEC 62341-1-2:2007, Organic light emitting diode displays Part 1-2: Terminology and letter symbols IEC 62341-5:2009, Organic light emitting diode (OLED) displays Part 5: Environmental testing methods IEC 623

38、41-6-1:2009, Organic light emitting diode (OLED) displays Part 6-1: Measuring methods of optical and electro-optical parameters BS EN 62341-5-2:201362341-5-2 IEC:2013 7 IEC 62341-6-2:2012, Organic light emitting diode (OLED) displays Part 6-2: Measuring methods of visual quality and ambient performa

39、nce ISO 2206:1987, Packaging Complete, filled transport packages Identification of parts when testing ISO 2248:1985, Packaging Complete, filled transport packages Vertical impact test by dropping 3 Terms and definitions For the purposes of this document, the terms and definitions given in IEC 62341-

40、1-2 and the following apply. 3.1strength stress at which a sample fails for a given loading condition 3.2glass edge strength measured stress at failure where the failure origin is known to have occurred at an edge 4 Abbreviations FEA finite element analysis FPCB flexible printed circuit board B10the

41、 value at lower 10 % position in the Weibull distribution 11TSP touch screen panel 5 Standard atmospheric conditions The standard atmospheric conditions in IEC 62341-5:2009, 5.3, shall apply unless otherwise specifically agreed between customer and supplier. 6 Evaluations Visual examination and veri

42、fication of dimensions 6.1The specimen shall be submitted to the visual, dimensional checks in non-operation condition and functional checks in operational condition prescribed by the following specification. a) Visual checks of damage to exterior body of the specimen including marking, encapsulatio

43、n and terminals shall be examined as specified in IEC 61747-5:1998, 1.5. b) Dimensions given in the customers specification shall be verified. c) Visual and optical performance shall be checked as specified in IEC 62341-6-1. Unless otherwise specified, visual inspection shall be performed under the

44、conditions and methods as specified in IEC 62341-6-2:2012, 6.2. 1Numbers in square brackets refer to the bibliography. BS EN 62341-5-2:2013 8 62341-5-2 IEC:2013 Reporting 6.2For the main results in each test, generally the minimum and averaged values or B10value instead of minimum value shall be rep

45、orted over the number of specimens depending on the test purposes. The relevant specification shall provide the criteria upon which the acceptance or rejection of the specimen is to be based. 7 Mechanical endurance test methods General 7.1Choice of the appropriate tests depends on the type of device

46、s. The relevant specification shall state which tests are applicable. Vibration (sinusoidal) 7.2General 7.2.1Test Fc, specified in IEC 60068-2-6 and IEC 61747-5:1998, 2.3, are applicable with the following specific conditions. In case of contradiction between these standards, IEC 61747-5:1998, 2.3,

47、shall govern. Purpose 7.2.2The purpose of this test is to investigate the behaviour of the specimen in a vibration environment such as transportation or in actual use. Test apparatus 7.2.3The equipment shall be capable of maintaining the test conditions specified in 7.2.4. The vibration testing tabl

48、e should not resonate within the test condition vibration frequency range. The required characteristics apply to the complete vibration system, which includes the power amplifier, vibrator, test fixture, specimen and control system when loaded for testing. The body of the device shall be securely cl

49、amped during the test. If the device has a specified method of installation, it shall be used to clamp the device. The specimen shall be tested under the non-operational condition. Test procedure 7.2.47.2.4.1 Test conditions 7.2.4.1.1 Basic motion The basic motion shall be a sinusoidal function of time and such that the fixing points of the specimen move substantially in phase and in straight parallel lines. 7.2.4.1.2 Spurious motion

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