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GB/T 18910.202-2021: Liquid crystal display devices - Part 20-2: Visual inspection - Monochrome matrix liquid crystal display modules
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 18910.202-2021 | English | 164 |
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Liquid crystal display devices - Part 20-2: Visual inspection - Monochrome matrix liquid crystal display modules
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GB/T 18910.202-2021
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Basic data | Standard ID | GB/T 18910.202-2021 (GB/T18910.202-2021) | | Description (Translated English) | Liquid crystal display devices - Part 20-2: Visual inspection - Monochrome matrix liquid crystal display modules | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | L53 | | Word Count Estimation | 9,940 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 18910.202-2021: Liquid crystal display devices - Part 20-2: Visual inspection - Monochrome matrix liquid crystal display modules
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Liquid crystal display devices - Part 20-2.Visual inspection - Monochrome matrix liquid crystal display modules
ICS 31.120
L53
National Standards of People's Republic of China
Liquid crystal display device
Part 20-2.Visual inspection of monochromatic matrix liquid crystal display module
[IEC 61747-20-2.2015, Liquidcrystaldisplaydevices-
Released on 2021-10-11
2022-05-01 implementation
State Administration for Market Regulation
Issued by the National Standardization Management Committee
Table of contents
Foreword Ⅰ
1 Scope 1
2 Normative references 1
3 Terms, definitions and abbreviations 1
3.1 Terms and definitions 1
3.2 Abbreviations 1
4 Visual inspection methods and standards 1
4.1 Standard test conditions and methods 1
4.1.1 Environmental conditions 1
4.1.2 Testing equipment and LCD module 2
4.1.3 Visual inspectors and limit samples 2
4.1.4 Inspection and record results 2
4.2 Display visual inspection 2
4.2.1 No power state 2
4.2.2 Power-on state 3
Reference 6
Foreword
GB/T 18910 "Liquid Crystal Display Devices" has or plans to publish the following parts.
---Part 1-1.General Specification;
---Part 1-2.Terms and symbols;
---Part 2.Sub-specification of liquid crystal display modules;
---Part 2-1.Blank detail specifications for passive matrix monochrome liquid crystal display modules;
---Part 2-2.Blank detailed specifications for color matrix liquid crystal display modules;
---Part 3.Sub-specification of LCD screens;
---Part 3-1.Detailed specifications for LCD blanks;
---Part 4.Basic ratings and characteristics of liquid crystal display modules and screens;
---Part 4-1.Basic ratings and characteristics of color matrix liquid crystal display modules;
---Part 5.Environmental, durability and mechanical test methods;
---Part 6-1.Photoelectric parameters of liquid crystal display device test methods;
---Part 6-2.Liquid crystal display module test method reflective type;
---Part 6-3.Liquid crystal display module test method active liquid crystal display module motion artifacts;
---Part 6-4.Liquid crystal display device test method liquid crystal display module with dynamic backlight;
---Part 10-1.Environmental, durability and mechanical test methods machinery;
---Part 10-2.Environment, durability and mechanical test methods environment and durability;
---Part 20-1.Visual inspection of monochrome LCD screen;
---Part 20-2.Visual inspection of monochromatic matrix liquid crystal display module;
---Part 20-3.Visual inspection of active matrix color liquid crystal display modules.
This part is part 20-2 of GB/T 18910.
This section was drafted in accordance with the rules given in GB/T 1.1-2009.
The translation method used in this part is equivalent to IEC 61747-20-2.2015 "Liquid Crystal Display Device Part 20-2.Visual Inspection of Monochromatic Matrix
Liquid crystal display module (not including active matrix liquid crystal display module)".
This section has made the following editorial changes.
---The standard name was changed to "Liquid Crystal Display Device Part 20-2.Visual Inspection of Monochrome Matrix Liquid Crystal Display Module".
Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying these patents.
This part was proposed by the Ministry of Industry and Information Technology of the People's Republic of China.
This part is under the jurisdiction of the National Flat Panel Display Device Standardization Technical Committee (SAC/TC547).
Drafting organizations of this section. Tianma Microelectronics Co., Ltd., China Electronics Standardization Institute, Shanghai Tianma Microelectronics Co., Ltd.
Division, BOE Technology Group Co., Ltd., Southeast University.
The main drafters of this section. Zhou Haiqin, Zhao Ying, Ling Zhihua, Zhang Zhigang, Li Xiaohua.
Liquid crystal display device
Part 20-2.Visual inspection of monochromatic matrix liquid crystal display module
1 Scope
This part of GB/T 18910 provides the details of the quality certification procedure and specifies the visual inspection method for the monochrome matrix liquid crystal display module. give
It is possible to visually inspect the non-display area and display area of the monochrome matrix liquid crystal display module through the human eye and, if necessary, through an optical microscope.
Detailed regulations and general rules. In addition, this section includes defect definitions and methods for visual inspection of defects.
Note. The limitation on the type, quantity and size of defects is stipulated in the quality contract (customer acceptance specification and incoming material inspection specification).
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article
Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document.
GB/T 18910.102-2021 Liquid crystal display device Part 10-2.Environmental, durability and mechanical test methods
Durability (IEC 61747-10-2.2014, IDT)
IEC 61747-1-2.2014 Liquid crystal display devices Part 1-2.General terms and text symbols (Liquidcrystaldisplay
devices-Part 1-2.Generic-Terminologyandlettersymbols)
3 Terms, definitions and abbreviations
3.1 Terms and definitions
The terms, definitions and text symbols defined by IEC 61747-1-2.2014 and GB/T 18910.102-2021 apply to this document.
3.2 Abbreviations
The following abbreviations apply to this document.
DUT. device under test (deviceundertest)
4 Visual inspection methods and standards
4.1 Standard test conditions and methods
4.1.1 Environmental conditions
4.1.1.1 Temperature
All visual inspections should be carried out under specified temperature conditions, in accordance with 1.4.3 of GB/T 18910.102-2021.
4.1.1.2 Humidity
All visual inspections should be carried out under specified humidity conditions, in accordance with 1.4.3 of GB/T 18910.102-2021.
4.1.1.3 Illumination
All visual inspections should be carried out under the illuminance level specified in the detailed specification, and the illuminance should be adjusted to enable accurate visual inspection
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