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本文(IEC 62341-6-2-2015 Organic light emitting diode (OLED) displays - Part 6-2 Measuring methods of visual quality and ambient performance《有机发光二极管(OLED)显示器.第6-2部分 视觉质量和环境性能的测量方法》.pdf)为本站会员(bonesoil321)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

IEC 62341-6-2-2015 Organic light emitting diode (OLED) displays - Part 6-2 Measuring methods of visual quality and ambient performance《有机发光二极管(OLED)显示器.第6-2部分 视觉质量和环境性能的测量方法》.pdf

1、 IEC 62341-6-2 Edition 2.0 2015-12 INTERNATIONAL STANDARD Organic light emitting diode (OLED) displays Part 6-2: Measuring methods of visual quality and ambient performance IEC 62341-6-2:2015-12(en) colour inside THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2015 IEC, Geneva, Switzerland All rig

2、hts 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 reque

3、ster. 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 Fax: +41 22 9

4、19 03 00 CH-1211 Geneva 20 infoiec.ch Switzerland www.iec.ch 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 te

5、chnical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the latest edition, a corrigenda or an amendment might have been published. IEC Catalogue - webstore.iec.ch/catalogue The stand-alone application for consulting the entire bibliographical inf

6、ormation on IEC International Standards, Technical Specifications, Technical Reports and other documents. Available for PC, Mac OS, Android Tablets and iPad. IEC publications search - www.iec.ch/searchpub The advanced search enables to find IEC publications by a variety of criteria (reference number

7、, 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 It also gives information on projects, replaced and withdrawn publications.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 also once a month by e

8、mail. Electropedia - www.electropedia.org The worlds leading online dictionary of electronic and electrical terms containing more than 30 000 terms and definitions in English and French, with equivalent terms in 15 additional languages. Also known as the International Electrotechnical Vocabulary (IE

9、V) online. IEC Glossary - std.iec.ch/glossary More than 60 000 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.

10、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: csciec.ch. IEC 62341-6-2 Edition 2.0 2015-12 INTERNATIONAL STANDARD Organic light emitting diode (OLED) displays Part 6-2

11、: Measuring methods of visual quality and ambient performance INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 31.260 ISBN 978-2-8322-3026-8 Registered trademark of the International Electrotechnical Commission Warning! Make sure that you obtained this publication from an authorized distributor. colour

12、 inside 2 IEC 62341-6-2:2015 IEC 2015 CONTENTS FOREWORD . 5 1 Scope 7 2 Normative references 7 3 Terms, definitions and abbreviations . 7 3.1 Terms and definitions 7 3.2 Abbreviations 10 4 Structure of measuring equipment . 10 5 Standard measuring conditions 10 5.1 Standard measuring environmental c

13、onditions 10 5.2 Standard lighting conditions 10 5.2.1 Dark-room conditions . 10 5.2.2 Ambient illumination conditions 11 5.3 Standard setup conditions . 16 5.3.1 General . 16 5.3.2 Adjustment of OLED display modules 16 5.3.3 Starting conditions of measurements . 16 5.3.4 Conditions of measuring equ

14、ipment . 16 6 Visual inspection of static images 17 6.1 General . 17 6.2 Classification of visible defects . 17 6.2.1 General . 17 6.2.2 Reference examples for subpixel defects . 17 6.2.3 Reference example for line defects 19 6.2.4 Reference example for mura defects . 19 6.3 Visual inspection method

15、 and criteria 20 6.3.1 Standard inspection conditions 20 6.3.2 Standard inspection method 21 6.3.3 Inspection criteria 23 7 Electro-optical measuring methods under ambient illumination 24 7.1 Reflection measurements 24 7.1.1 Purpose . 24 7.1.2 Measuring conditions . 24 7.1.3 Measuring the hemispheri

16、cal diffuse reflectance 25 7.1.4 Measuring the reflectance factor for a directional light source 26 7.2 Ambient contrast ratio . 28 7.2.1 Purpose . 28 7.2.2 Measuring conditions . 28 7.2.3 Measuring method . 28 7.3 Display daylight colour 29 7.3.1 Purpose . 29 7.3.2 Measuring conditions . 29 7.3.3 M

17、easuring method . 29 7.4 Daylight colour gamut volume . 30 7.4.1 Purpose . 30 7.4.2 Measuring conditions . 30 7.4.3 Measuring method . 31 IEC 62341-6-2:2015 IEC 2015 3 7.4.4 Reporting . 32 Annex A (informative) Measuring relative photoluminescence contribution from displays 34 A.1 Purpose 34 A.2 Mea

18、suring conditions 34 A.3 Measuring the bi-spectral photoluminescence of the display . 34 A.4 Determining the relative PL contribution from the display 34 Annex B (informative) Diagnostic for observing display luminance dependence from ambient illumination 37 B.1 Purpose 37 B.2 Measuring method 37 An

19、nex C (informative) Calculation method of daylight colour gamut volume . 38 C.1 Purpose 38 C.2 Procedure for calculating the colour gamut volume . 38 C.3 Surface subdivision method for CIELAB gamut volume calculation 40 C.3.1 Purpose . 40 C.3.2 Assumptions 40 C.3.3 Algorithm . 40 C.3.4 Software exam

20、ple execution 40 Bibliography 46 Figure 1 Example of visual inspection room setup for control of ambient room lighting and reflections 11 Figure 2 Example of measurement geometries for a uniform hemispherical diffuse illumination condition using an integrating sphere and sampling sphere 13 Figure 3

21、Directional source measurement geometry using an isolated source 15 Figure 4 Directional source measurement geometry using a ring light source . 15 Figure 5 Layout diagram of measurement setup . 16 Figure 6 Classification of visible defects 17 Figure 7 Bright subpixel defects . 18 Figure 8 Criteria

22、for classifying bright and dark subpixel defects 19 Figure 9 Bright and dark line defects 19 Figure 10 Sample image of line mura 20 Figure 11 Example of spot mura 20 Figure 12 Setup condition for visual inspection of electro-optical visual defects . 22 Figure 13 Shape of scratch and dent defect . 24

23、 Figure 14 Example of range in colours produced by a given display as represented by the CIELAB colour space . 32 Figure A.1 Scaled bi-spectral photoluminescence response from a display 35 Figure A.2 Decomposed bi-spectral photoluminescence response from a display . 35 Figure B.1 Example of display

24、luminance reduction caused by the high illuminance from a high intensity LED flashlight directed at the display surface . 37 Figure C.1 Analysis flow chart for calculating the colour gamut volume 38 Figure C.2 Graphical representation of the colour gamut volume for sRGB in the CIELAB colour space 39

25、 Table 1 Definitions for types of scratch and dent defects . 24 4 IEC 62341-6-2:2015 IEC 2015 Table 2 Eigenvalues M 1and M 2for CIE daylight Illuminants D50 and D75 . 26 Table 3 Example of minimum colours required for gamut volume calculation of a 3- primary 8-bit display . 31 Table 4 Measured trist

26、imulus values for the minimum set of colours (see Table 3) required for gamut volume calculation under the specified ambient illumination condition . 33 Table 5 Calculated white point in the darkened room and daylight ambient condition . 33 Table 6 Colour gamut volume in the CIELAB colour space . 33

27、 Table C.1 Tristimulus values of the sRGB primary colours . 39 Table C.2 Example of sRGB colour set represented in the CIELAB colour space 39 Table C.3 Example of sRGB colour gamut volume in the CIELAB colour space . 40 IEC 62341-6-2:2015 IEC 2015 5 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ ORGANI

28、C LIGHT EMITTING DIODE (OLED) DISPLAYS Part 6-2: Measuring methods of visual quality and ambient performance FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees).

29、The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Spec

30、ifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non- governmental organizatio

31、ns liaising with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal decisions or agreements of IEC on technical matters

32、 express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested IEC National Committees. 3) IEC Publications have the form of recommendations for international use and are accepted by IEC National C

33、ommittees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation by any end user. 4) In order to promote international uniformity, IEC Na

34、tional Committees undertake to apply IEC Publications transparently to the maximum extent possible in their national and regional publications. Any divergence between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in the latter. 5) IEC itself do

35、es not provide any attestation of conformity. Independent certification bodies provide conformity assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any services carried out by independent certification bodies. 6) All users should ensure that they h

36、ave the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC National Committees for any personal injury, property damage or other damage of any nature what

37、soever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications. 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced public

38、ations is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Stan

39、dard IEC 62341-6-2 has been prepared by IEC technical committee 110: Electronic display devices. This second edition cancels and replaces the first edition published in 2012. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect

40、 to the previous edition: a) Contents of 7.4 are changed. b) Contents and items of Annex C are changed. c) Annex B is added. 6 IEC 62341-6-2:2015 IEC 2015 The text of this standard is based on the following documents: FDIS Report on voting 110/695/FDIS 110/718/RVD Full information on the voting for

41、the approval of this standard can be found in the report on voting indicated in the above table. A list of all parts of the IEC 62341 series, published under the general title Organic light emitting diode (OLED) displays, can be found on the IEC website. This publication has been drafted in accordan

42、ce with the ISO/IEC Directives, Part 2. The committee has decided that the contents of this publication will remain unchanged until the stability date indicated on the IEC website under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be rec

43、onfirmed, withdrawn, replaced by a revised edition, or amended. A bilingual version of this publication may be issued at a later date. IMPORTANT The colour inside logo on the cover page of this publication indicates that it contains colours which are considered to be useful for the correct understan

44、ding of its contents. Users should therefore print this document using a colour printer. IEC 62341-6-2:2015 IEC 2015 7 ORGANIC LIGHT EMITTING DIODE (OLED) DISPLAYS Part 6-2: Measuring methods of visual quality and ambient performance 1 Scope This part of IEC 62341 specifies the standard measurement

45、conditions and measurement methods for determining the visual quality and ambient performance of organic light emitting diode (OLED) display modules and panels. This document mainly applies to colour display modules. 2 Normative references The following documents, in whole or in part, are normativel

46、y 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 60050 (all parts), International Electrotechnical Vocabulary (a

47、vailable at www.electropedia.org) IEC 61966-2-1, Multimedia systems and equipment Colour measurement and management Part 2-1: Colour management Default RGB colour space - sRGB IEC 62341-1-2, Organic light emitting diode (OLED) displays Part 1-2: Terminology and letter symbols CIE 15:2004, Colorimetr

48、y 3 Terms, definitions and abbreviations 3.1 Terms and definitions For the purposes of this document, the terms and definitions given in IEC 60050-845 and IEC 62341-1-2, as well as the following apply. 3.1.1 visual inspection means for checking image quality by human visual observation for classific

49、ation and comparison against limit sample criteria 3.1.2 subpixel defects all or part of a single subpixel, the minimum colour element, which is visibly brighter or darker than surrounding subpixels of the same colour. Note 1 to entry: Further classifications of subpixel defects are made depending on the number and configuration of multiple subpixel defects within a region of the display. Note 2 to entry: For monochromatic displays, the term “dot defect” m

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