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GB/T 18910.4-2024: Liquid crystal display devices - Part 4: Liquid crystal display modules and cells - Essential ratings and characteristics
Status: Valid GB/T 18910.4: Evolution and historical versions
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| GB/T 18910.4-2024 | English | 214 |
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Liquid crystal display devices - Part 4: Liquid crystal display modules and cells - Essential ratings and characteristics
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GB/T 18910.4-2024
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| GB/T 18910.4-2007 | English | 359 |
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Liquid crystal and solid-state display devices -- Part 4: Liquid crystal display modules and cells -- Essential ratings and characteristics
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GB/T 18910.4-2007
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PDF similar to GB/T 18910.4-2024
Basic data | Standard ID | GB/T 18910.4-2024 (GB/T18910.4-2024) | | Description (Translated English) | Liquid crystal display devices - Part 4: Liquid crystal display modules and cells - Essential ratings and characteristics | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | L53 | | Classification of International Standard | 31.120 | | Word Count Estimation | 10,143 | | Date of Issue | 2024-03-15 | | Date of Implementation | 2024-03-15 | | Older Standard (superseded by this standard) | GB/T 18910.4-2007 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 18910.4-2024: Liquid crystal display devices - Part 4: Liquid crystal display modules and cells - Essential ratings and characteristics
---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.
ICS 31.120
CCSL53
National Standards of People's Republic of China
Replaces GB/T 18910.4-2007
Liquid crystal display devices
Part 4.Liquid crystal display modules and screens
Basic Ratings and Characteristics
(IEC 61747-4.2012,IDT)
Released on 2024-03-15
2024-03-15 implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface I
Introduction III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 LCD display module 1
4.1 Construction and Materials 1
4.2 Working Mode 1
4.3 Detailed description 1
4.4 Limit value 2
4.5 Electrical and optical characteristics 2
4.6 Supplementary Notes 3
5 Liquid crystal display (LCD) screen 3
5.1 Construction and materials 3
5.2 Working Mode 3
5.3 Detailed description 4
5.4 Limit value 4
5.5 Electrical and optical characteristics 4
5.6 Supplementary Notes 5
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 4 of GB/T 18910.GB/T 18910 has published the following parts.
--- Liquid crystal display devices Part 1-1.General specification (GB/T 18910.11);
--- Liquid crystal display devices Part 1-2.Terms and symbols (GB/T 18910.12);
--- Liquid crystal display devices Part 2.Liquid crystal display module specification (GB/T 18910.2);
--- Liquid crystal display devices Part 2-1.Passive matrix monochrome liquid crystal display module blank detail specification (GB/T 18910.21);
--- Liquid crystal display devices Part 2-2.Blank detail specification for color matrix liquid crystal display modules (GB/T 18910.22);
--- Liquid crystal display devices Part 3.Liquid crystal display panel specification (GB/T 18910.3);
--- Liquid crystal display devices Part 4.Basic ratings and characteristics of liquid crystal display modules and panels (GB/T 18910.4);
--- Liquid crystal display devices Part 4-1.Basic ratings and characteristics of color matrix liquid crystal display modules (GB/T 18910.41);
--- Liquid crystal and solid state display devices Part 5.Environmental, durability and mechanical test methods (GB/T 18910.5);
--- Liquid crystal display devices Part 6-1.Test methods for photoelectric parameters of liquid crystal display devices (GB/T 18910.61);
--- Liquid crystal display devices Part 6-2.Test methods for liquid crystal display modules - Reflective type (GB/T 18910.62);
--- Liquid crystal display devices Part 6-3.Test methods for liquid crystal display modules Motion artifacts in active matrix liquid crystal display modules
(GB/T 18910.63);
--- Liquid crystal display devices Part 10-1.Environmental, durability and mechanical test methods Mechanical (GB/T 18910.101);
--- Liquid crystal display devices Part 10-2.Environmental, durability and mechanical test methods Environment and durability (GB/T 18910.102);
--- Liquid crystal display devices Part 20-1.Visual inspection of monochrome liquid crystal displays (GB/T 18910.201);
--- Liquid crystal display devices Part 20-2.Visual inspection of monochrome matrix liquid crystal display modules (GB/T 18910.202);
--- Liquid crystal display devices Part 20-3.Visual inspection of active matrix color liquid crystal display modules (GB/T 18910.203).
This document replaces GB/T 18910.4-2007 "Liquid crystal and solid state display devices Part 4.Basic specifications for liquid crystal display modules and screens"
Compared with GB/T 18910.4-2007, in addition to structural adjustments and editorial changes, the main technical changes are as follows.
a) The normative reference document GB/T 18910.1-2002 (see 1.2 of the.2007 edition) has been deleted;
b) Deleted the definition of type (see 2.1 and 2.3 of the.2007 edition);
c) Deleted the color gamut and white light chromaticity (see 2.7.6 of the.2007 edition);
d) The content of optical working mode has been modified (see 4.2.1, 2.3.1 of the.2007 edition).
This document is equivalent to IEC 61747-4.2012 "Liquid crystal display devices Part 4.Basic ratings of liquid crystal display modules and screens"
and Characteristics.
This document adds Chapter 3 “Terms and Definitions”.
The following minimal editorial changes were made to this document.
--- Delete IEC 61747-1.1998 which is not referenced in Chapter 2 because it is not referenced in the text.
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. Xiamen Product Quality Supervision and Inspection Institute, China Electronics Technology Standardization Institute, BOE Technology Group Co., Ltd.
Co., Ltd., Shanghai Tianma Microelectronics Co., Ltd., and China National Institute of Metrology.
The main drafters of this document are. Fu Nuoyi, Liu Keliang, Zhuang Qingrui, Zhao Ying, Ge Lihong, Zhang Zhigang, Wang Xiaoling and Xu Yingying.
The previous versions of this document and the documents it replaces are as follows.
---First published in.2007 as GB/T 18910.4-2007;
---This is the first revision.
Introduction
In order to meet the production, manufacturing, inspection, and import and export trade needs of liquid crystal display devices in my country, a series of standards for liquid crystal display devices are formulated.
GB/T 18910 is intended to consist of the following parts.
--- Part 1-1.General specification. The purpose is to specify the general procedures for the inspection of liquid crystal display devices and to give the electro-optical characteristics test method.
General requirements, requirements for climatic, mechanical and durability tests.
--- Part 1-2.Terms and symbols. The purpose is to define the preferred terms, definitions and text symbols for liquid crystal display devices.
--- Part 2.Liquid crystal display module section specification. The purpose is to specify the quality assessment procedures and inspection requirements required for evaluating liquid crystal display modules.
requirements, screening sequences, sampling requirements, details of tests and test methods.
--- Part 2-1.Passive matrix monochrome liquid crystal display module blank detail specification. The purpose is to specify the format and summary page requirements.
The minimum requirements and detailed specifications.
--- Part 2-2.Blank Detailed Specification for Color Matrix Liquid Crystal Display Modules. The purpose is to specify the format and summary page and detailed
The requirements for the most basic content of the specification.
--- Part 3.Liquid crystal display screen specification. The purpose is to specify the quality assessment procedures and inspection requirements required for evaluating liquid crystal display screens.
requirements, screening sequences, sampling requirements, tests and test methods.
--- Part 3-1.Liquid Crystal Display (LCD) Screen Blank Detailed Specification. The purpose is to define the quality assessment system for LCD screens.
--- Part 4.Basic ratings and characteristics of liquid crystal display modules and panels. The purpose is to specify liquid crystal display panels and passive matrix monochrome
Basic ratings and characteristic requirements of LCD display modules.
--- Part 4-1.Basic ratings and characteristics of color matrix liquid crystal display modules. The purpose is to specify the basic ratings and characteristics of color matrix liquid crystal display modules.
Basic ratings and characteristic requirements of the block.
--- Part 5.Environmental, durability and mechanical test methods. The purpose is to evaluate the environmental performance of liquid crystal display devices and to determine uniform
The preferred test method and preferred value of stress level.
--- Part 6-1.Test methods for electro-optical parameters of liquid crystal display devices. The purpose is to specify the standard for electro-optical parameters of liquid crystal display devices.
Standard test conditions and test methods.
--- Part 6-2.Test method for liquid crystal display module reflective type. The purpose is to specify the detailed quality of reflective liquid crystal display modules
Evaluation procedures, inspection requirements, screening procedures, sample requirements, and test and measurement procedure requirements.
--- Part 6-3.Liquid crystal display module test method Active matrix liquid crystal display module motion artifacts. The purpose is to specify the transmissive
General quality assessment procedure for motion picture performance of thin film transistor liquid crystal display devices.
--- Part 6-4.Test methods for liquid crystal display modules Liquid crystal display modules with dynamic backlight. The purpose is to specify the
Standard test conditions and test methods for the optical performance and power consumption of active-matrix liquid crystal display modules.
--- Part 10-1.Environmental, durability and mechanical test methods Mechanical. The purpose is to evaluate the mechanical properties of liquid crystal display devices
It is possible to determine a unified optimal test method and optimal value of stress level.
--- Part 10-2.Environmental, durability and mechanical test methods Environmental and durability. The purpose is to evaluate the performance of liquid crystal display devices.
Environmental performance, determine the unified optimal test method and stress level optimal value.
--- Part 10-3.Environmental, durability and mechanical test methods for glass strength and reliability. The purpose is to specify liquid crystal display devices
Test methods for strength and reliability of glass.
--- Part 20-1.Visual inspection of monochrome liquid crystal displays. The purpose is to specify the visual inspection method for monochrome liquid crystal displays.
--- Part 20-2.Visual inspection of monochrome matrix liquid crystal display modules. The purpose is to specify the visual inspection method for monochrome matrix liquid crystal display modules.
--- Part 20-3.Visual inspection of active matrix color liquid crystal display modules. The purpose is to give the visual inspection of transmissive active matrix color liquid crystal display modules by the human eye.
Detailed requirements and general rules for the quality assessment procedure for visual inspection of liquid crystal display modules.
Liquid crystal display devices
Part 4.Liquid crystal display modules and screens
Basic Ratings and Characteristics
1 Scope
This document specifies the basic ratings and characteristic requirements for Liquid Crystal Display (LCD) panels and passive matrix monochrome Liquid Crystal Display (LCD) modules.
This document applies to the evaluation of Liquid Crystal Display (LCD) panels and passive matrix monochrome Liquid Crystal Display (LCD) modules.
2 Normative references
This document has no normative references.
3 Terms and definitions
There are no terms or definitions that require definition in this document.
4 LCD display module
4.1 Construction and materials
For example, a TN type display with circuitry and pin connections.
When applicable, the type of light source.
4.2 Working Mode
4.2.1 Optical working mode.
---Display mode. for example, reflection, transmission, transflection;
---Gray level. level;
---Contrast mode. light text on a dark background ("LOD" or "positive display") or dark text on a light background ("DOL" or "negative display").
4.2.2 Electrical working mode.
---For example, static mode, multi-channel mode, etc.
4.3 Detailed description
4.3.1 Material and mechanical description.
---Glass, plastic, metal, etc.;
---Structure. For example, integrated backlight, frame construction.
4.3.2 Connection method.
---Connectors, flexible strips or pin connections, etc.
4.3.3 Appearance and dimensions.
---Dimensions;
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