EN 62341-6-2:2012
(Main)Organic light emitting diode (OLED) displays - Part 6-2: Measuring methods of visual quality and ambient performance
Organic light emitting diode (OLED) displays - Part 6-2: Measuring methods of visual quality and ambient performance
IEC 62341-6-2:2012 specifies the standard measurement 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.
Anzeigen mit organischen Leuchtdioden (OLEDs) - Teil 6-2: Messverfahren für Bildqualität und Umgebungsbetriebseigenschaften
Afficheurs à diodes électroluminescentes organiques (OLED) - Partie 6-2: Méthodes de mesure de la qualité visuelle et des caractéristiques de fonctionnement sous conditions ambiantes
La CEI 62341-6-2:2012 spécifie les conditions et les méthodes de mesure normalisées, en vue de déterminer la qualité visuelle et les caractéristiques de fonctionnement dans les conditions ambiantes des modules et des panneaux d'affichage à diodes électroluminescentes organiques (OLED). Le présent document s'applique principalement aux modules d'affichage couleur.
Prikazovalniki z organskimi svetlečimi diodami (OLED) - 6-2. del: Merilne metode za ugotavljanje vizualne kakovosti in delovanja v okolju
Ta del standarda IEC 62341 določa standardne merilne pogoje in merilne metode za ugotavljanje vizualne kakovosti in delovanja v okolju modulov in plošč prikazovalnikov z organskimi svetlečimi diodami (OLED). Ta dokument se nanaša predvsem na barvne module prikazovalnikov.
General Information
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Anzeigen mit organischen Leuchtdioden (OLEDs) - Teil 6-2: Messverfahren für Bildqualität und UmgebungsbetriebseigenschaftenAfficheurs à diodes électroluminescentes organiques (OLED) - Partie 6-2: Méthodes de mesure de la qualité visuelle et des caractéristiques de fonctionnement sous conditions ambiantesOrganic light emitting diode (OLED) displays - Part 6-2: Measuring methods of visual quality and ambient performance31.120Elektronske prikazovalne napraveElectronic display devicesICS:Ta slovenski standard je istoveten z:EN 62341-6-2:2012SIST EN 62341-6-2:2012en01-junij-2012SIST EN 62341-6-2:2012SLOVENSKI
STANDARD
EUROPEAN STANDARD EN 62341-6-2 NORME EUROPÉENNE
EUROPÄISCHE NORM March 2012
CENELEC European Committee for Electrotechnical Standardization Comité Européen de Normalisation Electrotechnique Europäisches Komitee für Elektrotechnische Normung
Management Centre: Avenue Marnix 17, B - 1000 Brussels
© 2012 CENELEC -
All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 62341-6-2:2012 E
ICS 31.260
English version
Organic light emitting diode (OLED) displays -
Part 6-2: Measuring methods of visual quality and ambient performance (IEC 62341-6-2:2012)
Afficheurs à diodes électroluminescentes organiques (OLED) -
Partie 6-2: Méthodes de mesure de la qualité visuelle et des caractéristiques de fonctionnement sous conditions ambiantes (CEI 62341-6-2:2012)
Anzeigen mit organischen Leuchtdioden (OLEDs) -
Teil 6-2: Messverfahren für Bildqualität und Umgebungsbetriebseigenschaften (IEC 62341-6-2:2012)
This European Standard was approved by CENELEC on 2012-02-28. 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 alteration.
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 made 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 Republic, Denmark, Estonia, Finland, 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 Kingdom.
Foreword The text of document 110/338/FDIS, future edition 1 of IEC 62341-6-2, prepared by IEC TC 110, "Flat panel display devices" was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 62341-6-2:2012.
The following dates are fixed: • latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2012-11-28 • latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2015-02-28
Attention is drawn to the possibility 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 62341-6-2:2012 was approved by CENELEC as a European Standard without any modification. SIST EN 62341-6-2:2012
- 3 - EN 62341-6-2:2012
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 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.
NOTE
When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies.
Publication Year Title EN/HD Year
IEC 60050 Series International electrotechnical vocabulary
- -
IEC 60081 - Double-capped fluorescent lamps - Performance specifications EN 60081
-
IEC 61966-2-1 - Multimedia systems and equipment - Colour measurement and management -
Part 2-1: Colour management - Default RGB colour space - sRGB EN 61966-2-1 -
IEC 62341-1-2 - Organic light emitting diode displays -
Part 1-2: Terminology and letter symbols EN 62341-1-2 -
CIE 15 2004 Colorimetry - -
IEC 62341-6-2 Edition 1.0 2012-01 INTERNATIONAL STANDARD NORME INTERNATIONALE Organic light emitting diode (OLED) displays –
Part 6-2: Measuring methods of visual quality and ambient performance
Afficheurs à diodes électroluminescentes organiques (OLED) –
Partie 6-2: Méthodes de mesure de la qualité visuelle et des caractéristiques de fonctionnement sous conditions ambiantes
INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE X ICS 31.260 PRICE CODE CODE PRIX ISBN 978-2-88912-893-8
– 2 – 62341-6-2 © IEC:2012 CONTENTS FOREWORD . 4 1 Scope . 6 2 Normative references . 6 3 Terms, definitions and abbreviations . 6 3.1 Terms and definitions . 6 3.2 Abbreviations . 9 4 Structure of measuring equipment . 9 5 Standard measuring conditions . 9 5.1 Standard measuring environmental conditions . 9 5.2 Standard lighting conditions . 10 5.2.1 Dark-room conditions . 10 5.2.2 Ambient illumination conditions . 10 5.3 Standard setup conditions . 15 5.3.1 General . 15 5.3.2 Adjustment of OLED display modules . 15 5.3.3 Starting conditions of measurements . 16 5.3.4 Conditions of measuring equipment . 16 6 Visual inspection of static images . 17 6.1 General . 17 6.2 Classification of visible defects . 17 6.2.1 Classification scheme . 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 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 hemispherical diffuse reflectance factor . 25 7.1.4 Measuring the reflectance factor for a directed light source . 27 7.2 Ambient contrast ratio . 29 7.2.1 Purpose . 29 7.2.2 Measuring conditions . 29 7.2.3 Measuring method . 30 7.3 Ambient display colour . 30 7.3.1 Purpose . 30 7.3.2 Measuring conditions . 30 7.3.3 Measuring method . 30 7.4 Ambient colour gamut volume . 31 7.4.1 Purpose . 31 7.4.2 Measuring conditions . 32 7.4.3 Measuring method . 32 SIST EN 62341-6-2:2012
62341-6-2 © IEC:2012 – 3 – 7.4.4 Reporting . 33 Annex A (informative)
Measuring relative photoluminescence
contribution from displays . 35 Annex B (informative)
Calculation method of ambient colour gamut volume . 38 Bibliography . 44
Figure 1 – Example of visual inspection room setup
for control of ambient room lighting and reflections . 10 Figure 2 – Example of measurement geometries for diffuse illumination condition
using an integrating sphere and sampling sphere . 13 Figure 3 – 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 set up . 16 Figure 6 – Classification of visible defects . 17 Figure 7 – Bright subpixel defects . 18 Figure 8 – Criteria for classifying bright and dark subpixel defects . 19 Figure 9 – Bright and dark line defects . 19 Figure 10 – Sample image of line mura defect associated with TFT non-uniformity . 20 Figure 11 – Example of spot mura defect in a grey background . 20 Figure 12 – Setup condition for visual inspection of electro-optical visual defects . 22 Figure 13 – Shape of scratch and dent defect . 24 Figure 14 – An example of range in colours produced by a given display
as represented by the CIELAB colour space . 33 Figure A.1 – Scaled bi-spectral photoluminescence response from a display . 36 Figure A.2 – Decomposed bi-spectral photoluminescence response from a display . 36 Figure B.1 – Analysis flow chart for calculating the colour gamut volume . 38 Figure B.2 – Graphical representation of the colour
gamut volume for sRGB in the CIELAB colour space . 39
Table 1 – Definitions for type of scratch and dent defects . 24 Table 2 – Eigenvalues M1 and M2 for 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 . 32 Table 4 – Measured tristimulus values for the minimum set of colours
(see Table 3) required for gamut volume calculation under the
specified ambient illumination condition . 34 Table 5 – Calculated white point in the darkened room and ambient condition . 34 Table 6 – Colour gamut volume in the CIELAB colour space .
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