1、 IEC 61747-20-3 Edition 1.0 2016-02 INTERNATIONAL STANDARD Liquid crystal display devices Part 20-3:Visual inspection Active matrix colour liquid crystal display modules IEC 61747-20-3:2016-02(en)colourinside THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2016 IEC,Geneva,Switzerland All rights re
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10、edback on this publication or need further assistance,please contact the Customer Service Centre:csciec.ch.IEC 61747-20-3 Edition 1.0 2016-02 INTERNATIONAL STANDARD Liquid crystal display devices Part 20-3:Visual inspection Active matrix colour liquid crystal display modules INTERNATIONAL ELECTROTEC
11、HNICAL COMMISSION ICS 31.120 ISBN 978-2-8322-3210-1 Registered trademark of the International Electrotechnical Commission Warning!Make sure that you obtained this publication from an authorized distributor.colourinside 2 IEC 61747-20-3:2016 IEC 2016 CONTENTS FOREWORD.3 INTRODUCTION.5 1 Scope.6 2 Nor
12、mative references.6 3 Terms,definitions and abbreviations.6 3.1 General.6 3.3 Abbreviations.11 4 Visual inspection method and criteria.11 4.1 Standard inspection conditions.11 4.1.1 Ambient conditions.11 4.1.2 Visual inspection conditions.12 4.1.3 Electrical driving conditions.12 4.2 Standard inspec
13、tion method.12 4.2.1 Setup of inspection equipment and liquid crystal display modules.12 4.2.2 Inspector and limit sample for visual inspection.12 4.2.3 Inspection and record of result.12 4.3 Criteria.12 4.3.1 Bright subpixel defects.12 4.3.2 Dark subpixel defects.12 4.3.3 Intermediate subpixel defe
14、cts.13 4.3.4 Cluster subpixel defects.13 4.3.5 Bright line defects.13 4.3.6 Dark line defects.13 4.3.7 Scratch and dent defects.13 4.3.8 Foreign material and bubble defects.13 4.3.9 Light leakage defects.14 Bibliography.15 Figure 1 Classification of defects by visual inspection.7 Figure 2 Examples o
15、f bright subpixel and adjacent subpixel defects in case of an RGB primary colour display.8 Figure 3 Examples of dark subpixel and adjacent subpixel defects in case of RGB primary colour display.9 Figure 4 Examples of minimum distance between subpixel defects.10 Figure 5 Example of light leakage betw
16、een the top case and outer black matrix.11 Figure 6 Shape of scratch and dent defects.13 Figure 7 Shape of foreign material and bubble defects.14 Table 1 Criteria for scratch and dent defects.13 Table 2 Criteria for foreign material and bubble defects.14 IEC 61747-20-3:2016 IEC 2016 3 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ LIQUID CRYSTAL DISPLAY DEVICES Part 20-3:Visual inspection Active matrix colour liquid crystal display modules FOREWORD 1)The International Electrotechnical Commission(IE
