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GB/T 20871.61-2024: Organic light emitting diode(OLED) displays - Part 6-1: Measuring methods of optical and electro-optical parameters
Status: Valid GB/T 20871.61: Evolution and historical versions
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Organic light emitting diode(OLED) displays - Part 6-1: Measuring methods of optical and electro-optical parameters
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GB/T 20871.61-2024
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| GB/T 20871.61-2013 | English | 959 |
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Organic light emitting diode (OLED) displays -- Part 6-1: Measuring methods of optical and electro-optical parameters
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GB/T 20871.61-2013
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PDF similar to GB/T 20871.61-2024
Basic data | Standard ID | GB/T 20871.61-2024 (GB/T20871.61-2024) | | Description (Translated English) | Organic light emitting diode(OLED) displays - Part 6-1: Measuring methods of optical and electro-optical parameters | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | L53 | | Classification of International Standard | 31.120 | | Word Count Estimation | 42,498 | | Date of Issue | 2024-04-25 | | Date of Implementation | 2024-08-01 | | Older Standard (superseded by this standard) | GB/T 20871.61-2013 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 20871.61-2024: Organic light emitting diode(OLED) displays - Part 6-1: Measuring methods of optical and electro-optical parameters
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ICS 31:120
CCSL53
National Standards of People's Republic of China
Replaces GB/T 20871:61-2013
Organic light emitting diode display devices
Part 6-1: Test methods for optical and optoelectronic parameters
(IEC 62341-6-1:2022, IDT)
Released on 2024-04-25
2024-08-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
Introduction IV
1 Scope 1
2 Normative references 1
3 Terms and definitions, abbreviations 1
3:1 Terms and Definitions 1
3:2 Abbreviations 2
4 Test device 2
5 Standard test conditions 2
5:1 Standard atmospheric conditions 2
5:2 Standard test chamber conditions 3
5:3 Standard setting conditions 3
5:4 Standard location of test area 4
5:5 Standard Test Pattern 5
6 Test methods for optical parameters 9
6:1 Brightness, Chromaticity and Non-uniformity of Full-color High-resolution Modules 9
6:2 Brightness, Chroma and Uniformity of Low-Resolution Modules 13
6:3 Signal loading 13
6:4 Darkroom Contrast 14
6:5 Display color gamut, color gamut coverage and color gamut volume 15
7 Power consumption test method 17
7:1 Purpose 17
7:2 Test conditions 17
7:3 Test Step 17
Appendix A (Normative) Response time of passive matrix display devices 21
A:1 Purpose 21
A:2 Test conditions 21
A:3 Test method 21
Appendix B (Normative) Brightness Current Efficiency 23
B:1 Purpose 23
B:2 Test conditions 23
B:3 Test method 23
Appendix C (Informative) Truncated cone for blocking scattered light 25
Appendix D (Informative) Method for Determining Correlated Color Temperature (TCCT) from Chromaticity Coordinates 26
D:1 Method 1: Using McCamy's approximation formula 26
D:2 Method 2: Using the Javier Hernadez-Andres approximation formula 26
D:3 Method 3: Determine the correlated color temperature (CCT) from the chromaticity diagram 26
Appendix E (Informative) Testing of Modern Color Managers and Screen Performance 28
E:1 Early Displays28
E:2 Modern Displays28
E:3 Results 29
E:4 Conclusion 32
Appendix F (Informative) Single Window Brightness and Chroma Test 33
F:1 Background 33
F:2 Test conditions 33
F:3 Maximum full screen brightness 33
F:4 4% window brightness 33
F:5 Brightness non-uniformity of the sample 33
F:6 4% window center color 34
F:7 Chromaticity non-uniformity of samples 34
Reference 35
Foreword
This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents"
Drafting:
This document is Part 6-1 of GB/T 20871 Organic Light Emitting Diode Displays: GB/T 20871 has been published for the following
part:
--- Part 1-2: Terminology and text symbols;
--- Part 6-1: Test methods for optical and optoelectronic parameters;
--- Part 6-3: Image quality test methods:
This document replaces GB/T 20871:61-2013 Organic light emitting diode displays Part 6-1: Test methods for optical and optoelectronic parameters
Compared with GB/T 20871:61-2013, in addition to structural adjustments and editorial changes, the main technical changes are as follows:
a) Added terms and abbreviations of commonly used terms in the standard (see 3:1 and 3:2);
b) Added provisions for the standard position of the test area and the standard test pattern (see 5:4 and 5:5);
c) In the optical parameter test method, the brightness test canceled the maximum full screen brightness and 4% window brightness test methods, and added the full color
High-resolution modules and low-resolution modules are used to measure brightness and brightness uniformity (see 6:1 and 6:2);
d) In the optical parameter test method, the darkroom contrast test has been changed from full screen darkroom contrast and 4% window darkroom contrast to
Calculate contrast by measuring white and black brightness at low APL loading (see 6:4);
e) Added signal loading test items (see 6:3);
f) Added the color gamut volume test (see 6:5:6);
g) Added 7:3:2 Measurement of power consumption of OLED display modules using signal decoding embedded video connection terminals (see 7:3:2):
This document is equivalent to IEC 62341-6-1:2022 "Organic light emitting diode display devices Part 6-1: Optical and optoelectronic parameters measurement
Test Methods:
Please note that some of the contents of this document may involve patents: The issuing organization of this document does not assume the responsibility for identifying patents:
This document was proposed by the Ministry of Industry and Information Technology of the People's Republic of China:
This document is under the jurisdiction of the National Technical Committee for Standardization of Electronic Display Devices (SAC/TC547):
This document was drafted by: Visionox Technology Co:, Ltd:, Hefei Visionox Technology Co:, Ltd:, Guangzhou Guoxian Technology Co:, Ltd:,
Kunshan Guoxian Optoelectronics Co:, Ltd:, China Electronics Technology Standardization Institute, China Institute of Metrology, TCL Huaxing Optoelectronics Technology Co:, Ltd:
Zhejiang Sanse Optoelectronics Technology Co:, Ltd:, Shanghai Weishirui Optoelectronics Technology Co:, Ltd:, Beijing Visionox Technology Co:, Ltd:, Yungu (Gu'an)
Technology Co:, Ltd:, Bazhou Yungu Electronic Technology Co:, Ltd:, Suzhou Qingyue Optoelectronics Technology Co:, Ltd:, Chengdu Chenxian Optoelectronics Co:, Ltd:
Co:, Ltd:, BOE Technology Group Co:, Ltd:
The main drafters of this document are: Tang Xin, Dang Pengle, Wang Xiang, Cheng Ji, Zhao Ying, Wang Feixia, Xu Yingying, Huang Weidong, Mou Tongsheng, Wang Weisheng,
Gao, Xiaoyu, Zhu, Xiujian, Wu, Yong, Gao, Yudi, and Wang, Yu:
This document was first published in:2013 and this is the first revision:
Introduction
The new display industry is a strategic, basic and leading industry for national economic and social development: Organic light-emitting diode display devices
The global market share of OLED has been steadily increasing, and it has been developing through low-temperature polycrystalline oxide (LTPO), touch and display driver integration (TDDI), etc:
Backplane technology effectively improves refresh rate, reduces screen power consumption, and expands application space:
The organic light emitting diode display device standard is to meet the production, manufacturing, inspection and
It is formulated based on the needs of import and export trade:
The organic light emitting diode display device is proposed to be composed of the following parts:
--- Part 1-1: General specification: The purpose is to specify the general requirements for organic light emitting diode display devices:
--- Part 1-2: Terminology and text symbols: The purpose is to define the preferred terms, definitions and text symbols for organic light emitting diode displays:
Character number:
--- Part 2: Basic ratings and characteristics: The purpose is to specify the basic ratings and characteristics of organic light emitting diode display modules:
--- Part 3: Display screen sub-specification: The purpose is to provide the quality assessment procedures, inspection and
requirements, screening sequences, sampling requirements, tests and test methods:
--- Part 4: Display module section specification: The purpose is to specify the quality assessment procedures required for organic light emitting diode display modules, including
Inspection requirements, screening sequences, sampling requirements, tests and test methods:
--- Part 4-1: Detailed specification of display module for under-screen camera: The purpose is to specify the technical specifications of display module for under-screen camera:
Terms and definitions, requirements, quality assessment procedures, and testing procedures:
--- Part 5-1: Environmental test methods: The purpose is to provide the evaluation of organic light emitting diode display modules under specified environmental conditions:
Test methods for adaptability to working and storage environments:
--- Part 5-2: Mechanical test methods: The purpose is to specify the mechanical durability and
Test methods for packaging for transport:
--- Part 5-3: Test methods for afterimage and life: The purpose is to specify the afterimage of organic light emitting diode displays and display modules
Standard test conditions and test methods for durability and life:
--- Part 6-1: Test methods for optical and optoelectronic parameters: The purpose is to specify the optical properties of organic light emitting diode displays and display modules:
Standard measurement conditions and standard measurement methods for scientific parameters:
--- Part 6-2: Test methods - Visual quality and bright room performance: The purpose is to specify organic light emitting diode displays and display modules
Standard test conditions and test methods for visual quality and bright room performance:
--- Part 6-3: Image quality test method: The purpose is to specify the image quality of organic light emitting diode displays and display modules
Standard test conditions and test methods:
Organic light emitting diode display devices
Part 6-1: Test methods for optical and optoelectronic parameters
1 Scope
This document describes standard test conditions and tests for optical and optoelectronic parameters of Organic Light Emitting Diode (OLED) displays and display modules
step:
This document is applicable to the testing of OLED display devices under darkroom conditions:
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document:
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document:
Note: GB/T 2900:65-2004 Electrical terminology lighting (IEC 60050-845:1987, MOD)
IEC 61966-2-1 Multimedia systems and equipment color testing and management Part 2-1: Color management default RGB color space
Colourmanagement-DefaultRGB colourspace-sRGB )
IEC 62087-3 Audio, video, and related equipment power consumption measurement Part 3: Television (Audio, video, and related equipment
IEC 62341-1-2 Organic light emitting diode display devices Part 1-2: Terms and text symbols [Organiclightemitting
Note: GB/T 20871:12-2024 Organic light-emitting diode display devices Part 1-2: Terminology and text symbols (IEC 62341-1-2:2014, IDT)
IEC 62341-6-2:2015 Organic light emitting diode display devices Part 6-2: Test methods for visual quality
performance]
CIE15:2004 Colorimetry
3 Terms, definitions and abbreviations
3:1 Terms and Definitions
For the purposes of this document, the terms and definitions defined in IEC 60050-845 and IEC 62341-1-2 and the following apply:
The URLs for the databases of standardized terminology maintained by ISO and IEC are as follows:
---ISO online browsing platform: http://www:iso:org/obp
3:1:1
signalpixel
The smallest coded pattern element in the input image:
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