IEC_61747-30-5-2019.pdf

IEC 61747-30-5 Edition 1.0 2019-01 INTERNATIONAL STANDARD Liquid crystal display devices Part 30-5:Optical measuring methods of transmissive transparent LCD modules IEC 61747-30-5:2019-01(en)colourinside THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2019 IEC,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 either IEC or IECs member National Committee in the country of the requester.If you have any questions about IEC 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 Central Office Tel.:+41 22 919 02 11 3,rue de Varemb infoiec.ch 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.About IEC 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 The advanced search enables to find IEC publications by a variety of criteria(reference number,text,technical committee,).It also gives information on projects,replaced and withdrawn publications.IEC Just Published-webstore.iec.ch/justpublished Stay up to date on all new IEC publications.Just Published details all new publications released.Available online and once a month by email.IEC Customer Service Centre-webstore.iec.ch/csc If you wish to give us your feedback on this publication or need further assistance,please contact the Customer Service Centre:salesiec.ch.Electropedia-www.electropedia.org The worlds leading online dictionary on electrotechnology,containing more than 22 000 terminological entries in English and French,with equivalent terms in 16 additional languages.Also known as the International Electrotechnical Vocabulary(IEV)online.IEC Glossary-std.iec.ch/glossary 67 000 electrotechnical terminology entries in English and French extracted from the Terms and Definitions clause of IEC publications issued since 2002.Some entries have been collected from earlier publications of IEC TC 37,77,86 and CISPR.IEC 61747-30-5 Edition 1.0 2019-01 INTERNATIONAL STANDARD Liquid crystal display devices Part 30-5:Optical measuring methods of transmissive transparent LCD modules INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 31.120 ISBN 978-2-8322-6420-1 Registered trademark of the International Electrotechnical Commission Warning!Make sure that you obtained this publication from an authorized distributor.colourinside 2 IEC 61747-30-5:2019 IEC 2019 CONTENTS FOREWORD.4 1 Scope.6 2 Normative references.6 3 Terms,definitions,symbols and units.6 4 Measurement conditions.7 4.1 Standard measurement environmental conditions.7 4.2 Standard measurement darkroom conditions.8 4.3 Standard measurement locations.8 5 Measurement methods of on-screen properties.8 5.1 Measurement equipment and its setup.8 5.2 Measurement methods.9 6 Measurement methods of through-screen properties.10 6.1 Luminous transmittance and its uniformity.10 6.1.1 Purpose.10 6.1.2 Measurement conditions.10 6.1.3 Measurement methods.10 6.2 Transmitted haze.11 6.2.1 Purpose.11 6.2.2 Measurement conditions.11 6.2.3 Test apparatus.11 6.2.4 Procedure.13 6.2.5 Results.14 6.2.6 Reporting.14 6.3 Colour shift.14 6.3.1 Purpose.14 6.3.2 Measurement conditions.14 6.3.3 Test apparatus.14 6.3.4 Procedure.15 6.3.5 Reporting.15 6.4 Contrast ratio offset.16 6.4.1 Purpose.16 6.4.2 Measurement conditions.16 6.4.3 Test apparatus.16 6.4.4 Procedure.16 6.4.5 Reporting.17 6.5 Sharpness.17 6.5.1 Purpose.17 6.5.2 Measuring conditions.17 6.5.3 Test apparatus.17 6.5.4 Procedure.18 6.5.5 Results.18 6.5.6 Reporting.20 6.6 MTF and Michelson contrast ratio.20 6.6.1 Purpose.20 6.6.2 Measurement conditions.20 6.6.3 Measurement methods.20 IEC 61747-30-5:2019 IEC 2019 3 6.6.4 Reporting.22 7 Contrast ratio and colour coordinates with the incident illumination originating from objects behind the screen.22 7.1 Purpose.22 7.2 Measurement method with white light source.24 7.2.1 General.24 7.2.2 Measurement conditions.24 7.2.3 Measurement method.24 7.3 Measurement method with collimated or directional light source.25 7.3.1 Purpose.25 7.3.2 Measurement conditions.25 7.3.3 Measurement method background.26 7.3.4 Measurement method.26 Bibliography.27 Figure 1 Measurement points.8 Figure 2 Measurement equipment and its configuration.9 Figure 3 Measurement configuration with light source.10 Figure 4 Schematic arrangement of the apparatus(TOP view).13 Figure 5 Measurement system and its configuration.15 Figure 6 Reference object and its c