SIST EN 61988-2-1:2012

Plasma Display Panels - Part 2-1: Measuring methods - Optical and optoelectrical

This part of IEC 61988 determines the following measuring methods for characterizing the performance of plasma display modules (PDP modules): a) four per cent (4 %) window luminance; b) luminance uniformity; c) dark-room contrast ratio; d) bright-room contrast ratio 100/70; e) white chromaticity and chromatic uniformity; f) colour gamut in the centre box; g) module power and current consumption; h) module power consumption using video signal; i) module luminous efficacy, and j) panel luminous efficacy.

Plasmabildschirme - Teil 2-1: Messverfahren - Optisch und Opto-Elektrisch

Panneaux d'affichage à plasma - Partie 2-1: Méthodes de mesure - Optiques, Méthodes opto-électriques

La CEI 61988-2-1:2012 définit les méthodes de mesure suivantes de caractérisation de la performance des modules d'affichage à plasma (modules PDP):   a) luminance d'une zone d'essai de quatre pour cent (4 %) de surface d'écran;  b) uniformité de luminance;  c) rapport de contraste en chambre noire;  d) rapport de contraste en environnement lumineux 100/70;  e) chromaticité du blanc et uniformité chromatique;  f) étendue chromatique dans la zone d'essai centrale;  g) puissance du module et consommation de courant;  h) consommation de puissance du module avec signal vidéo;  i) efficacité lumineuse du module, et  j) efficacité lumineuse du panneau.  Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente: Les premières éditions de la CEI 61988-2-1 et de la CEI 61988-2-2 ont été combinées pour être reconstituées dans le présent document.

Prikazovalniki s plazmo - 2-1. del: Merilne metode - Optične in optoelektrične

Ta del standarda IEC 61988 določa naslednje merilne metode za označevanje zmogljivosti modulov prikazovalnikov s plazmo (modulov PDP): a) štiriodstotna (4 %) svetlost okna; b) enotna svetlost; c) svetlobni kontrast v temnem prostoru; d) svetlobni kontrast v svetlem prostoru 100/70; e) bela kromatičnost in kromatska enotnost; f) barvna lestvica v sredinskem okencu; g) modul za porabo energije in električnega toka; h) modul za porabo energije z video signalom; i) modul za svetlobno učinkovitost in j) svetlobna učinkovitost zaslona.

General Information

• Status: Published
• Publication Date: 10-Apr-2012
• ICS: 31.120 - Electronic display devices
• Technical Committee: I11 - Imaginarni 11
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 27-Mar-2012
• Due Date: 01-Jun-2012
• Completion Date: 11-Apr-2012
• Ref Project: EN 61988-2-1:2012 - Plasma display panels - Part 2-1: Measuring methods - Optical and optoelectrical

Relations

• Revised: SIST EN 61988-2-2:2005 - Plasma display panels -- Part 2-2: Measuring methods - Optoelectrical
• Effective Date: 10-Aug-2010
• Revised: SIST EN 61988-2-1:2005 - Plasma display panels -- Part 2-1: Measuring methods - Optical
• Effective Date: 10-Aug-2010
• Replaces: SIST EN 61988-2-2:2005 - Plasma display panels -- Part 2-2: Measuring methods - Optoelectrical
• Effective Date: 28-Jan-2023
• Replaces: SIST EN 61988-2-1:2005 - Plasma display panels -- Part 2-1: Measuring methods - Optical
• Effective Date: 28-Jan-2023
• Replaces: SIST EN 61988-2-1:2005 - Plasma display panels -- Part 2-1: Measuring methods - Optical
• Effective Date: 06-May-2014
• Replaces: SIST EN 61988-2-2:2005 - Plasma display panels -- Part 2-2: Measuring methods - Optoelectrical
• Effective Date: 06-May-2014
• Replaces: SIST EN 61988-2-1:2005 - Plasma display panels -- Part 2-1: Measuring methods - Optical
• Effective Date: 07-Jun-2022

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 61988-2-1:2012
01-maj-2012
3ULND]RYDOQLNLVSOD]PRGHO0HULOQHPHWRGH2SWLþQHLQRSWRHOHNWULþQH
Plasma Display Panels - Part 2-1: Measuring methods - Optical and optoelectrical
Plasmabildschirme - Teil 2-1: Messverfahren - Optisch und Opto-Elektrisch
Panneaux d'affichage à plasma - Partie 2-1: Méthodes de mesure - Optiques, Méthodes
opto-électriques
Ta slovenski standard je istoveten z: EN 61988-2-1:2012
ICS:
31.120 Elektronske prikazovalne Electronic display devices
naprave
SIST EN 61988-2-1:2012 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 61988-2-1:2012

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SIST EN 61988-2-1:2012

EUROPEAN STANDARD
EN 61988-2-1

NORME EUROPÉENNE
March 2012
EUROPÄISCHE NORM

ICS 31.260 Supersedes EN 61988-2-1:2002, EN 61988-2-2:2003


English version


Plasma display panels -
Part 2-1: Measuring methods -
Optical and optoelectrical
(IEC 61988-2-1:2012)


Panneaux d'affichage à plasma -  Plasmabildschirme -
Partie 2-1: Méthodes de mesure - Teil 2-1: Messverfahren – Optisch und
Mesures optiques et opto-électriques opto-elektrisch
(CEI 61988-2-1:2012) (IEC 61988-2-1:2012)





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.

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 61988-2-1:2012 E

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SIST EN 61988-2-1:2012
EN 61988-2-1:2012 - 2 -
Foreword
The text of document 110/337/FDIS, future edition 2 of IEC 61988-2-1, prepared by IEC TC 110, "Flat
panel display devices" was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as
EN 61988-2-1:2012.

The following dates are fixed:
(dop) 2012-11-28
• latest date by which the document has
to be implemented at national level by
publication of an identical national
standard or by endorsement
(dow) 2015-02-28
• latest date by which the national
standards conflicting with the
document have to be withdrawn

This document supersedes EN 61988-2-1:2002 and EN 61988-2-2:2003.
EN 61988-2-1:2012 includes the following significant technical changes with respect to EN 61988-2-
1:2002:
– EN 61988-2-1:2002 and EN 61988-2-2:2003 were combined and reconstructed in this document.
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 61988-2-1:2012 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards indicated:
IEC 61988-2-1 NOTE  Harmonized as EN 61988-2-1.
IEC 61988-2-2 NOTE  Harmonized as EN 61988-2-2.

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SIST EN 61988-2-1:2012
- 3 - EN 61988-2-1:2012

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 60068-1 - Environmental testing - EN 60068-1 -
Part 1: General and guidance


IEC 60107-1 - Methods of measurement on receivers for EN 60107-1 -
television broadcast transmissions -
Part 1: General considerations -
Measurements at radio and video frequencies


IEC 61988-1 - Plasma display panels - EN 61988-1 -
Part 1: Terminology and letter symbols


IEC 62087 - Methods of Measurement for the power EN 62087 -
consumption of audio, video and related
equipment


CIE 15 - Colorimetry - -

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SIST EN 61988-2-1:2012

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SIST EN 61988-2-1:2012



IEC 61988-2-1

®


Edition 2.0 2012-01




INTERNATIONAL



STANDARD




NORME



INTERNATIONALE











Plasma display panels –

Part 2-1: Measuring methods – Optical and optoelectrical




Panneaux d’affichage à plasma –

Partie 2-1: Méthodes de mesure – Mesures optiques et opto-électriques
















INTERNATIONAL

ELECTROTECHNICAL

COMMISSION


COMMISSION

ELECTROTECHNIQUE

PRICE CODE
INTERNATIONALE

CODE PRIX V


ICS 31.260 ISBN 978-2-88912-892-1



Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale

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SIST EN 61988-2-1:2012
– 2 – 61988-2-1  IEC:2012
CONTENTS
FOREWORD . 4
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 6
4 Structure of measuring equipment . 7
5 Standard measuring conditions . 7
5.1 Environmental conditions . 7
5.2 Set-up conditions . 7
5.2.1 General . 7
5.2.2 Measuring layout . 8
5.2.3 Field frequency . 8
5.2.4 Adjustment of PDP modules . 9
5.2.5 Warm-up condition of PDP modules . 9
5.3 Lighting conditions . 9
5.3.1 Dark-room conditions . 9
5.3.2 Bright-room conditions . 9
6 Measuring methods . 11
6.1 Measuring methods of 4 % window luminance . 11
6.1.1 Purpose . 11
6.1.2 Measuring equipment . 11
6.1.3 Measurement. 11
6.2 Measuring method of luminance uniformity . 12
6.2.1 Purpose . 12
6.2.2 Measuring equipment . 12
6.2.3 Measurement. 12
6.3 Measuring method of dark-room contrast ratio . 13
6.3.1 Purpose . 13
6.3.2 Measuring equipment . 13
6.3.3 Measurement. 14
6.4 Measuring method of bright-room contrast ratio 100/70 . 15
6.4.1 General . 15
6.4.2 Purpose . 15
6.4.3 Measuring equipment . 15
6.4.4 Measurement. 15
6.5 Measuring method of white chromaticity and chromatic uniformity . 16
6.5.1 Purpose . 16
6.5.2 Measuring equipment . 16
6.5.3 Measurement. 16
6.6 Measuring method of colour gamut . 17
6.6.1 Purpose . 17
6.6.2 Measuring equipment . 17
6.6.3 Measurement. 17
6.7 Measuring method of module power and current consumption . 18
6.7.1 Purpose . 18
6.7.2 Measuring equipment . 18
6.7.3 Measurement. 19

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SIST EN 61988-2-1:2012
61988-2-1  IEC:2012 – 3 –
6.8 Measuring method of module power consumption using video signal . 21
6.8.1 General . 21
6.8.2 Measuring equipment . 21
6.8.3 Applied digital video signal . 21
6.8.4 Image processing board . 21
6.8.5 Measurement. 22
6.9 Measuring method of module luminous efficacy . 23
6.9.1 Purpose . 23
6.9.2 Measuring equipment . 23
6.9.3 Measurement. 23
6.10 Measuring method of panel luminous efficacy . 24
6.10.1 Purpose . 24
6.10.2 Measuring equipment . 24
6.10.3 Panel conditions . 25
6.10.4 Driving waveform . 26
6.10.5 Applied display patterns . 27
6.10.6 Measurement. 27
Annex A (informative) Clause cross-references from the previous edition of
IEC 61988-2-1:2002 and IEC 61988-2-2:2003 to IEC 61988-2-1:2011. 31
Bibliography . 33

Figure 1 – Measuring layout (side view) . 8
Figure 2 – Example of bright-room conditions . 10
Figure 3 – 4 % window luminance measuring pattern . 11
Figure 4 – Measuring points . 13
Figure 5 – Minimum luminance measuring pattern . 15
Figure 6 – Example of the colour gamut measurement . 18
Figure 7 – Example of power and current measuring diagram . 19
Figure 8 – System diagram of sustain power measurement . 25
Figure 9 – Driving system and waveform . 27

Table 1 – Example of luminance uniformity measurement . 13
Table 2 – Example of chromaticity measurement . 17
Table 3 – Example of power and current measurements (for a module that includes an
AC input) . 20
Table 4 – Example of power and current measurement (for a module with DC inputs
only) . 20
Table 5 – Example of measurement results of module power consumption using video
signal . 22
Table A.1 – Clause cross-references . 32

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SIST EN 61988-2-1:2012
– 4 – 61988-2-1  IEC:2012
INTERNATIONAL ELECTROTECHNICAL COMMISSION
_____________

PLASMA DISPLAY PANELS –

Part 2-1: Measuring methods –
Optical and optoelectrical

FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). 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 Specifications (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 organizations 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 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
Committees 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 National 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 does 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 have 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 whatsoever, 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 publications 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 Standard IEC 61988-2-1 has been prepared by IEC technical committee 110:
Electronic display devices.
This second edition cancels and replaces the first edition published in 2002. This edition
constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous
edition:
– The first edition of IEC 61988-2-1 and IEC 61988-2-2 were combined and reconstructed in
this document.

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SIST EN 61988-2-1:2012
61988-2-1  IEC:2012 – 5 –
The text of this standard is based on the following documents:
FDIS Report on voting
110/337/FDIS 110/352/RVD

Full information on the voting for the approval on this standard can be found in the report on
voting indicated in the above table.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.
A list of all the parts in the IEC 61988 series, under the general title Plasma display panels,
can be found on the IEC website.
The committee has decided that the contents of this publication will remain unchanged until
the stability date indicated on the IEC web site under "http://webstore.iec.ch" in the data
related to the specific publication. At this date, the publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.

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SIST EN 61988-2-1:2012
– 6 – 61988-2-1  IEC:2012
PLASMA DISPLAY PANELS –

Part 2-1: Measuring methods –
Optical and optoelectrical



1 Scope
This part of IEC 61988 determines the following measuring methods for characterizing the
performance of plasma display modules (PDP modules):
a) four per cent (4 %) window luminance;
b) luminance uniformity;
c) dark-room contrast ratio;
d) bright-room contrast ratio 100/70;
e) white chromaticity and chromatic uniformity;
f) colour gamut in the centre box;
g) module power and current consumption;
h) module power consumption using video signal;
i) module luminous efficacy, and
j) panel luminous efficacy.
2 Normative references
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.
IEC 60068-1, Environmental Testing – Part 1: General and guidance
IEC 60107-1, Methods of measurement on receivers for television broadcast transmissions –
Part 1: General considerations – Measurements at radio and video frequencies
IEC 61988-1, Plasma display panels – Part 1: Terminology and letter symbols
IEC 62087, Methods of measurement for the power consumption of audio, video and related
equipment
CIE 15:2004, Colorimetry
3 Terms and definitions
For the purposes of this document, the terms and definitions given in IEC 61988-1,
IEC 60068-1, and IEC 60107-1, as well as the following, apply.

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SIST EN 61988-2-1:2012
61988-2-1  IEC:2012 – 7 –
3.1
4 % window panel luminous efficacy
η
p0,04
panel luminous efficacy measured by displaying the patterns of 4 % white window and full
screen black
NOTE Ohmic loss is smaller than that of full screen panel luminous efficacy (see 3.4).
3.2
full screen panel luminous efficacy
η
p,fs
panel luminous efficacy measured by displaying the patterns of full screen white and full
screen black
NOTE Ohmic loss is larger than that of 4 % window panel luminous efficacy (see 3.4).
3.3
panel checker
system used to drive and test plasma display panel
NOTE Panel checker includes the same or the equivalent electric circuits as a PDP module.
3.4
panel luminous efficacy
luminous efficacy
η
incremental luminous flux (measured as the luminous flux of a white display minus the
luminous flux of a black display) divided by the incremental power input applied to the sustain
driver for operating the panel (measured as the white display power minus the black display
power)
NOTE Expressed in lumens/watt.
4 Structure of measuring equipment
The system diagrams and/or driving conditions of the measuring equipment shall comply with
the structure specified in each item.
5 Standard measuring conditions
5.1 Environmental conditions
Measurements shall be carried out under the standard environmental conditions, i.e. at a
temperature of 25 °C ± 3 °C, a relative humidity of 25 % to 85 %, and a pressure of 86 kPa to
106 kPa. When different environmental conditions are used, these shall be noted on the
report.
5.2 Set-up conditions
5.2.1 General
The following standard set-up conditions shall be used. Each condition shall be noted on the
relevant specification whenever any different conditions other than the standard set-up
conditions are applied.

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SIST EN 61988-2-1:2012
– 8 – 61988-2-1  IEC:2012
5.2.2 Measuring layout
5.2.2.1 General
Measurements shall be carried out at the standard measuring layout shown in Figure 1. When
a different measuring layout is used, this shall be noted on the report.
5.2.2.2 Position of light measuring device
The light measuring device shall be aligned perpendicular to the area to be measured on the
screen of the PDP module.
5.2.2.3 Standard measuring distance
The standard measuring distance  is 2,5 V, where V is the screen height or the short side
xo
length of the screen. The measuring distance shall be between 1,6 V and 2,8 V. The
measuring distance shall be noted on the report.
5.2.2.4 Aperture angle of light measuring device
The light measuring device shall be set at a proper aperture angle less than or equal to
2 degrees, and shall measure an area of at least 500 pixels which has an extent less than
10 % of the screen height. This area corresponds to including a circular measurement area of
at least 26 lines in diameter in the case of a display panel having a square pixel consisting of
3 subpixels. The measuring distance and the aperture angle may be adjusted to achieve a
viewing area greater than 500 pixels, which has an extent less than 10 % of the screen height
if setting the above aperture angle is difficult. Such deviations from standard conditions shall
be noted on the report.

Display surface
Plasma display

module Light measuring device


Perpendicular to screen

Measuring point

Driving
Driving
signal
power
source equipment



Xo

IEC  44/12

Key
 standard measuring distance = 2,5 V, where V is the screen height or short side length of screen.
X0
Figure 1 – Measuring layout (side view)
5.2.3 Field frequency
The standard field frequency of the driving signal equipment shall be 60 Hz, unless the
module is intended to be used at a significantly different frequency. In any case, the field
frequency used shall be noted on the report.

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SIST EN 61988-2-1:2012
61988-2-1  IEC:2012 – 9 –
5.2.4 Adjustment of PDP modules
For contrast adjustable PDP modules, adjust the contrast to the maximum value under the
standard environmental conditions.
Automatic control functions such as auto-power control (APC), image sticking prevention
function, etc. by which the display luminance could change during the measurement shall be
turned off or the activation of these functions shall be avoided by some measuring procedures
described below.
When the displayed luminance could be changed by some automatic control functions
included in the PDP module and turning off these functions is not convenient, a procedure
using sequentially changing input images or a procedure using a turn-on, measure and turn-
off sequence shall be applied.
For the procedure of sequentially changing input images, the input signals shall be changed
just before the display luminance is changed and the measurement shall be carried out when
the measured image is displayed. The input signal, except the measured image, should be
any suitable signal that disables the automatic control functions mentioned above.
For the procedure of using a turn-on, measure and turn-off sequence, the PDP module shall
be sequentially turned off and turned on just before the displayed luminance is changed. The
measurement shall be carried out when the measured image is displayed.
The displayed luminance of both procedures mentioned above usually remains constant for
several minutes which are enough for a stable measurement with a light measurement device.
5.2.5 Warm-up condition of PDP modules
The warm-up time shall be longer than 30 minutes with a signal input set at 15 % grey level
on full screen without gamma correction, unless other specified measuring methods are used.
When different warm-up conditions are used, they shall be noted on the report.
5.3 Lighting conditions
5.3.1 Dark-room conditions
Illuminance shall be less than 1 lx anywhere on the screen of the PDP module. When this
illuminance significantly affects the measurement of the black level, the background
subtraction method shall be used. When a different illuminance or the background subtraction
method is used, this shall be noted on the report.
5.3.2 Bright-room conditions
5.3.2.1 General
The lamp shall be adjusted so that the illuminance conditions on vertical and horizontal
planes are satisfied at the centre of the panel, which has been arranged vertically.
The illuminance precision shall be ± 5 % and the measured illuminance shall be clearly noted
on the report. When a different illuminance is used, it shall be noted on the report.
5.3.2.2 Illuminance on the panel
a) Vertical plane illuminance: 100 lx
b) Horizontal plane illuminance: 70 lx
5.3.2.3 Illumination source
AAA colour rendering daylight whi
...