1、 IEC 62715-5-3 Edition 1.0 2017-05 INTERNA TIONAL STA NDA RD Flexible display dev ices Part 5-3:V isual assessment of image quality and defects IEC 62715-5-3:2017-05(en)colourinside THIS PUBLICA TION IS COPYRIGHT PROTECTED Copyright 2017 IEC,Geneva,Switzerland All rights reserved.Unless otherwise sp
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10、iv e us y our feedback on this publication or need further assistance,please contact the Customer Serv ice Centre:csciec.ch.IEC 62715-5-3 Edit ion 1.0 2017-05 INTER NA TIONAL STA NDA R D Flexible display dev ices Part 5-3:V isual assessment of image quality and defects INTERNATIONAL ELECTROTECHNICAL
11、 COMMISSION ICS 31.120 ISBN 978-2-8322-4298-8 R egist er ed tr ademar k of t he Int er national Electr ot echnical Commission W arning!Make sure that y ou obtained this publication from an authorized distributor.colourinside 2 IEC 62715-5-3:2017 IEC 2017 CONTENTS FOREWORD.4 INTRODUCTION.6 1 Scope.7
12、2 Normative references.7 3 Terms and definitions.7 4 Procedures of visual assessment 23.9 4.1 General.9 4.2 Setup of displays and driving conditions.9 4.3 Observers for visual assessment 45.9 4.4 Ambient conditions for visual assessment.9 4.4.1 Standard environmental conditions.9 4.4.2 Standard ligh
13、ting conditions.9 4.5 Viewing geometry.10 4.5.1 General.10 4.5.2 Designed viewing geometry.12 4.5.3 Standard usage viewing geometry.12 4.5.4 Geometry for rigorous assessment.12 5 Test charts(test signals).13 5.1 General.13 5.2 Full-screen patterns.13 5.3 Periodic patterns.15 5.4 Tone and colour grad
14、ation patterns.16 5.5 Test chart for cross-talk.19 5.6 Test chart for electro-optical defects.20 5.7 Test chart for static image resolution.20 5.8 Natural and synthetic images.21 6 Visual assessment during and after stress tests.21 6.1 General.21 6.2 Number of duplicate and reference DUTs.21 6.3 Pro
15、cedures of visual assessment after exposure to environmental stress.22 6.4 Procedures of visual assessment after exposure to mechanical stress.22 7 Criteria for judgments.22 7.1 General concept.22 7.2 Judgment using a limit sample.22 7.3 Ranking using a set of grade samples.22 7.4 Preparation of a l
16、imit sample or a set of grade samples.23 7.4.1 General.23 7.4.2 Procedures.23 7.4.3 Affirmation of end-user true needs.23 7.5 Judgments without a limit sample or a set of grade samples.24 7.5.1 General.24 7.5.2 Procedures.24 7.6 Assessment using an ND(neutral density)filter.24 7.6.1 General.24 7.6.2 Procedures.24 7.7 Assessment method for mechanical defects.25 IEC 62715-5-3:2017 IEC 2017 3 8 Reporting.25 8.1 Requirements for reporting.25 8.2 Recommendations for reporting.25 Annex A(informative)R