EN 62341-6-1-2011 en Organic light emitting diode (OLED) displays - Part 6-1 Measuring methods of optical and electro-optical parameters《有机发光二极管(OLED)显示器 第6-1部分 光学和光电学参数的测量方法》.pdf

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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationOrganic light emitting diode(OLED) displaysPart 6-1: Measuring methods of optical and electro-optical parametersBS EN 62341-6-1:2011National forewordThis British Standard is the

2、UK implementation of EN 62341-6-1:2011. It isidentical to IEC 62341-6-1:2009.The UK participation in its preparation was entrusted to Technical CommitteeEPL/47, Semiconductors.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not p

3、urport to include all the necessary provisions of acontract. Users are responsible for its correct application. BSI 2011ISBN 978 0 580 60351 8ICS 31.260Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of the Stand

4、ardsPolicy and Strategy Committee on 31 March 2011.Amendments issued since publicationAmd. No. Date Text affectedBRITISH STANDARDBS EN 62341-6-1:2011EUROPEAN STANDARD EN 62341-6-1 NORME EUROPENNE EUROPISCHE NORM February 2011 CENELEC European Committee for Electrotechnical Standardization Comit Euro

5、pen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Management Centre: Avenue Marnix 17, B - 1000 Brussels 2011 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 62341-6-1:2011 E ICS 31.260 English

6、 version Organic light emitting diode (OLED) displays - Part 6-1: Measuring methods of optical and electro-optical parameters (IEC 62341-6-1:2009) Afficheurs diodes lectroluminescentes organiques (OLED) - Partie 6-1: Mthodes de mesure des paramtres optiques et lectro-optiques (CEI 62341-6-1:2009) An

7、zeigen mit organischen lichtemittierenden Dioden - Teil 6-1: Messmethoden fr optische und elektro-optische Parameter (IEC 62341-6-1:2009) This European Standard was approved by CENELEC on 2011-01-02. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the co

8、nditions 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 Central Secretariat or to any CENELEC member. This European Standard exists in

9、 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 Central Secretariat has the same status as the official versions. CENELEC members are the national electrotec

10、hnical 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, Swi

11、tzerland and the United Kingdom. BS EN 62341-6-1:2011EN 62341-6-1:2011 Foreword The text of document 110/170/FDIS, future edition 1 of IEC 62341-6-1, prepared by IEC/TC 110, Flat panel display devices, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 62341-6-1 on 2011

12、-01-02. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and CENELEC shall not be held responsible for identifying any or all such patent rights. The following dates were fixed: latest date by which the EN has to be implemented

13、 at national level by publication of an identical national standard or by endorsement (dop) 2011-10-02 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2014-01-02 Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Stan

14、dard IEC 62341-6-1:2009 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 60068-1 NOTE Harmonized as EN 60068-1. IEC 61747-6 NOTE Harmonized as EN 61747-6. IEC 6198

15、8-2-1 NOTE Harmonized as EN 61988-2-1. IEC 62087 NOTE Harmonized as EN 62087. IEC 62341-1-1 NOTE Harmonized as EN 62341-1-1. _ BS EN 62341-6-1:2011EN 62341-6-1:2011 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following re

16、ferenced documents are indispensable for the application of this document. 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 commo

17、n modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 62341-1-2 - Organic light emitting diode displays - Part 1-2: Terminology and letter symbols EN 62341-1-2 - CIE 15.2 1986 Colorimetry - - CIE S 014-1/E 2006 Colorimetry - Part 1: Standard Colorimet

18、ric Observers - - BS EN 62341-6-1:201162341-6-1 IEC:2009 CONTENTS 1 Scope.6 2 Normative references 6 3 Terms, definitions and units . .6 4 Structure of measuring equipment . .6 5 Standard measuring conditions6 5.1 Standard measuring environmental conditions6 5.2 Standard measuring dark-room conditio

19、ns. .6 5.3 Standard setup conditions . 7 5.3.1 Adjustment of OLED display modules .7 5.3.2 Starting conditions of measurements 7 5.3.3 Conditions of measuring equipment . .7 6 Measuring methods for optical parameters . 8 6.1 Luminance and its uniformity .8 6.1.1 Purpose8 6.1.2 Measuring conditions.9

20、 6.1.3 Measuring methods . 9 6.2 Dark room contrast ratio .12 6.2.1 Purpose. 12 6.2.2 Measuring conditions.12 6.2.3 Measuring method . 12 6.3 Chromaticity, colour uniformity, colour gamut and white field correlated colour temperature 13 6.3.1 Purpose. 13 6.3.2 Measuring conditions.13 6.3.3 Measuring

21、 method . 13 7 Measuring methods for power consumption . .16 7.1 Purpose 16 7.2 Measuring conditions . 16 7.3 Measuring method.17 7.3.1 Measuring the power consumption of the OLED display module 17 Annex A (normative) Response time of passive matrix display panels19 Annex B (normative) Luminance cur

22、rent efficiency.21 Annex C (informative) Veiling glare frustum 23 Annex D (informative) Methods to obtain the correlated colour temperature (CCT) from chromaticity coordinates 24 Bibliography. 27 Figure 1 Layout diagram of measurement setup. 8 Figure 2 Luminance measuring pattern . 10 Figure 3 Measu

23、rement points. .11 Figure 4 Example of the colour gamut14 Figure 5 Colour of blackbody source at various temperatures . 16 Figure 6 Example of measurement setup of power consumption . . 17 Figure A.1 Relationship between driving signal and optical response times. . 20 BS EN 62341-6-1:201162341-6-1 I

24、EC:2009 Figure B.1 Example of a measurement configuration for measuring luminance current efficiency . .22 Figure C.1 Pattern for veiling glare frustum .23 Figure D.1 CIE 1931 XYZ chromaticity diagram .25 Figure D.2 Blackbody locus (Planckian locus) and isotemperature lines in CIE 1931 XYZ .26 Table

25、 1 Example of luminance non-uniformity . .12 Table 2 Example of chromaticity non-uniformity .15 Table 3 Example of a module power consumption measurements summary sheet 18 Table D.1 xe, ye, Aiand tifor equation (D.3) and equation (D.4).24 BS EN 62341-6-1:2011 6 62341-6-1 IEC:2009 ORGANIC LIGHT EMITT

26、ING DIODE (OLED) DISPLAYS Part 6-1: Measuring methods of optical and electro-optical parameters 1 Scope This part of IEC 62341 specifies the standard measurement conditions and measuring methods for determining optical and electro-optical parameters of organic light emitting diode (OLED) display mod

27、ules, and where specified, OLED display panels, in the following areas: a) luminance and uniformity; b) dark room contrast ratio; c) chromaticity, colour uniformity, colour gamut and white field correlated colour temperature; d) power consumption. 2 Normative references The following referenced docu

28、ments are indispensable for the application of this document. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 62341-1-2, Organic light emitting diode (OLED) displays Part 1-2: Terminology and letter symbols CIE 15.2:1986, Colorimetry (sec

29、ond edition) CIE S 014-1/E:2006, Colorimetry Part 1: CIE Standard Colorimetric Observers 3 Terms, definitions and units For the purposes of this part of IEC 62341, most of the definitions and units used comply with IEC 62341-1-2. 4 Structure of measuring equipment The system diagrams and/or operatin

30、g conditions of the measuring equipment shall comply with the structure specified in each item. 5 Standard measuring conditions 5.1 Standard measuring environmental conditions Measurements shall be carried out under the standard environmental conditions at a temperature of 25 C 3 C, at a relative hu

31、midity of 25 % to 85 %, and pressure of 86 kPa to 106 kPa. When different environmental conditions are used, they shall be noted in the report. 5.2 Standard measuring dark-room conditions With the OLED display turned off, the ambient illuminance at all points on the screen shall be less than 0,3 lx.

32、 When a higher ambient illuminance on the display is present, the background BS EN 62341-6-1:201162341-6-1 IEC:2009 7 luminance measured when the display is OFF shall be subtracted from subsequent luminance measurements of the display, and shall be reported. 5.3 Standard setup conditions Standard se

33、tup conditions are given below. Any deviations from these conditions shall be reported. 5.3.1 Adjustment of OLED display modules The luminance, contrast, correlated colour temperature of the white field, and other relevant parameters have to be adjusted to nominal values and they shall be reported i

34、n detail in the specifications of the measurement. For a full colour display, the chromaticity of the white field shall also be adjusted to match the product specification. When no levels are specified, the maximum contrast and/or luminance level shall be used and the settings reported. These adjust

35、ments shall be held constant for all measurements, unless stated otherwise. It is important, however, to make sure that not only the adjustments are kept constant, but also that the resulting physical quantities remain constant during the measurement. This is not automatically the case because of, f

36、or example, warm-up effects. 5.3.2 Starting conditions of measurements Warm-up time is defined as the time elapsed from the moment of switching on the supply voltage until repeated measurements of the display show a variation in luminance of less than 2 % per minute. Repeated measurements shall be t

37、aken for at least a period of 15 min after starting. The luminance variations shall also not exceed 5 % during the total measurement. Measurements shall be started after the OLED displays and measuring instruments achieve stability. Sufficient warm-up time has to be allowed for the OLED displays to

38、reach luminescence stability. 5.3.3 Conditions of measuring equipment 5.3.3.1 General conditions The following general conditions apply. a) The standard measurement setup is shown in Figure 1. The light measuring device (LMD) may be any of the following meters: 1) a luminance meter with a spectral r

39、esponse approximating the spectral luminous efficiency function for photopic vision; 2) a colorimetric meter with the spectral sensitivity as colour-matching functions for the CIE 1931 standard colorimetric observer (specified in CIE S 014-1); 3) a spectroradiometer with a wavelength range from 380

40、nm to 780 nm; 4) an imaging photometer or colourimeter with the spectral sensitivity as colour-matching functions for the CIE 1931 standard colorimetric observer. Care shall be taken to ensure that the device is capable of performing the required task. b) The light measuring device shall be aligned

41、perpendicular to the area to be measured on the image generating surface of the OLED display. c) The relative uncertainty and relative repeatability of all the measuring devices shall be maintained by following the instrument suppliers recommended calibration schedule. BS EN 62341-6-1:2011 8 62341-6

42、-1 IEC:2009 Field of view Measurement field Measurement angleAnglar aperture AcceptanceareaLuminancemeter with viewport Focus on object being measured IEC 614/09 Figure 1 Layout diagram of measurement setup d) The LMD lens shall be focused on the light emitting plane of the display, and the LMD inte

43、gration time shall be an integer number (10) of one frame period. Shorter integration times are acceptable if the detector is synchronized with the display frame rate. 5.3.3.2 High pixel count matrix displays (320 240 pixels) The following high pixel count matrix applies. a) When measuring matrix di

44、splays, the measurement field shall include more than 500 pixels. b) The standard measuring distance lxois 2,5V (for V 20 cm) or 50 cm (for V 500 pixels) in order to make an accurate luminance measurement. c) Apply a 100 % red drive current to the red sub-pixels and measure the time-averaged current

45、 IDused to energize the affected area (A). The area A shall include the emitting sub-pixels and their surrounding dark area. d) Measure the luminance (L) of red emission from the emitting area of the OLED module following the diagram in Figure 1. If the emitting area is sufficiently large, an averag

46、e luminance of 5 or 9-spots (see luminance uniformity procedure) shall be used. e) Apply a 100 % green drive current to the green sub-pixels and measure the time-averaged current IDused to energize the affected area (A). The area A shall include the emitting sub-pixels and their surrounding dark are

47、a. f) Measure the luminance (L) of green emission from the emitting area of the OLED module following the diagram in Figure 1. g) Apply a 100 % blue drive current to the blue sub-pixels and measure the time-averaged current IDused to energize the affected area (A). The area A shall include the emitt

48、ing sub-pixels and their surrounding dark area. BS EN 62341-6-1:2011 22 62341-6-1 IEC:2009 h) Measure the luminance (L) of blue emission from the emitting area of the OLED module following the diagram in Figure 1. i) The luminance current efficiency for each colour can be calculated by: c= LA / ID(B

49、.1) An example of a measurement configuration for measuring luminance current efficiency is shown in Figure B.1. NOTE The driving signal, the test configuration, and the rated luminance should be reported. Power source Current meter IDOLED MATRIX PANELS IEC 621/09 Figure B.1 Example of a measurement configuration for measuring luminance current efficiency BS EN 62341-6-1:201162341-6-1 IEC:2009 23 Annex C (informative) Veiling glare frustum When mak

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