GB/T 18910.103-2025 English PDF

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GB/T 18910.103-2025: Liquid crystal display devices - Part 10-3: Environmental, endurance and mechanical test methods - Glass strength and reliability
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Basic data

Standard ID: GB/T 18910.103-2025 (GB/T18910.103-2025)
Description (Translated English): Liquid crystal display devices - Part 10-3: Environmental, endurance and mechanical test methods - Glass strength and reliability
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: L53
Classification of International Standard: 31.120
Word Count Estimation: 18,127
Date of Issue: 2025-04-25
Date of Implementation: 2025-11-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 18910.103-2025: Liquid crystal display devices - Part 10-3: Environmental, endurance and mechanical test methods - Glass strength and reliability

---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 Standard of the People's Republic of China Liquid crystal display devices Part 10-3.Environmental, durability and mechanical test methods Glass Strength and Reliability andreliability Published on April 25, 2025, implemented on November 1, 2025 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 1 4 Abbreviations 2 5 Device 2 5.1 General 2 5.2 Method A. Quasi-static biaxial strength (substrate glass) 2 5.3 Method B. Quasi-static edge strength (substrate glass) 3 5.4 Method C. Quasi-static strength (module) 4 5.5 Method D. Fatigue constant (substrate glass) 4 6 Sample 5 6.1 General 5 6.2 Substrate glass 5 6.3 Full-size module 5 7 Process Control. Quasi-static Loading 5 8 Stress calculation 5 8.1 General 5 8.2 Quasi-static biaxial strength (substrate glass) 5 8.3 Quasi-static edge strength (substrate glass) 6 8.4 Quasi-static fatigue load (LCD module) 6 9 Fatigue and reliability calculations 6 9.1 General 6 9.2 Calculation of fatigue constants 6 9.3 Calculation of Weibull Parameters for Dynamic Failure Stress Data 7 9.4 Calculation of fatigue constants 7 10 Reporting requirements 7 Appendix A (Informative) Actual Test Examples 8 Reference 11 Figure 1 Schematic diagram of the ROR test device for measuring the biaxial strength of substrate glass Figure 2 VBT device for substrate glass edge strength test 3 Figure 3 Full-size LCD module strength test picture and schematic diagram 4 Figure A.1 Weibull distribution of biaxial strength of abraded glass of different thicknesses 8 Figure A.2 Cracked surface of substrate glass with MR = 0.089 mm 9 Figure A.3 Graph of calculated intensity and reciprocal square root of MR 9 Figure A.4 Weibull distribution of 17' module strength 10 Table A.1 Example of strength data before and after wear 8 Table A.2 Example of strength data for all modules and low-strength modules 10

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 10-3 of GB/T 18910 "Liquid Crystal Display Devices". GB/T 18910 has published the following parts. --- Part 1-1.General specification; --- Part 1-2.Terms and symbols; --- Part 2.Liquid crystal display module specification; --- Part 2-1.Passive matrix monochrome liquid crystal display module blank detail specification; --- Part 2-2.Blank detail specification for color matrix liquid crystal display modules; --- Part 3.Liquid crystal display sub-specification; --- Part 4.Basic ratings and characteristics of liquid crystal display modules and panels; --- Part 4-1.Basic ratings and characteristics of color matrix liquid crystal display modules; --- Part 6-1.Test methods for optoelectronic parameters of liquid crystal display devices; --- Part 6-2.Test methods for liquid crystal display modules, reflective type; --- Part 6-3.Liquid crystal display module test method Active matrix liquid crystal display module motion artifacts; --- Part 6-4.Test methods for liquid crystal display modules with dynamic backlight; --- Part 10-1.Environmental, durability and mechanical test methods Machinery; --- Part 10-2.Environmental, durability and mechanical test methods Environment and durability; --- Part 10-3.Environmental, durability and mechanical test methods for glass strength and reliability; --- Part 20-1.Visual inspection of monochrome liquid crystal displays; --- Part 20-2.Visual inspection of monochrome matrix liquid crystal display modules; --- Part 20-3.Visual inspection of active matrix color liquid crystal display modules. This document is equivalent to IEC 61747-5-3.2009 "Liquid crystal display devices Part 5-3.Environmental, durability and mechanical test methods Glass Strength and Reliability. The following minimal editorial changes were made to this document. --- Change the standard name to "Liquid Crystal Display Devices Part 10-3.Environmental, Durability and Mechanical Test Methods for Glass Strength and reliability". 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 Metrology Testing Institute, China Electronics Standardization Institute, BOE Technology Group Co., Ltd. Company, Xiamen University, 55th Research Institute of China Electronics Technology Group Corporation, Xiamen Product Quality Supervision and Inspection Institute, TCL Huaxing Optoelectronics Technology Co., Ltd., Xiamen Tianma Microelectronics Co., Ltd., TPK Technology (Xiamen) Co., Ltd., Shanghai Tianma Microelectronics Co., Ltd., Visionox Technology Co., Ltd. and Guangdong Ruijie New Materials Co., Ltd. The main drafters of this document are. Ruan Yujiao, Jiang Shulian, Zhang Yuqin, Lv Yijun, Zheng Sai, Liu Keliang, Wang Feixia, Dun Shengbao, Huang Yibin, Guo Weijie, Yan Huasheng, Feng Yanli, Li Xin, Wang Xiang, Huang Deguo, Ling Gaode.

Introduction

In order to meet the production, manufacturing, inspection, and import and export trade needs of liquid crystal display device products 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 detail specification for color matrix liquid crystal display modules. The purpose is to specify the requirements for the format and summary page to and the most basic content of detailed specifications. --- 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 active matrix liquid crystal display modules with dynamic backlight. The purpose is to specify the test methods for active matrix liquid crystal display modules with dynamic backlight. Standard test conditions and test methods for the optical performance and power consumption of LCD 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 of monochrome matrix liquid crystal display modules method. --- 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 10-3.Environmental, durability and mechanical test methods Glass Strength and Reliability

1 Scope

This document describes the test methods for the strength and reliability of glass used in liquid crystal display (LCD) devices. This document applies to all LCD types, including transmissive, reflective or transflective LCD modules, which use field, passive Or active matrix, non-color or color LCD, and whether it has its own integrated light source. This document provides unified requirements for accurate and reliable testing of LCD parameters. a) quasi-static strength; b) Quasi-static fatigue. The method described in this document is applicable to LCD devices of all sizes, both small and large. NOTE. The method for measuring fatigue constants described in this document is derived from references [1] to [8]. The main result is the estimated allowable stress over a specified life period. Or the formula for calculating the estimated failure rate at a specified stress level. For example, limited data on the strength and fatigue behavior of LCD glass can be found in Appendix A. The static strength data of LCD modules is also included and compared with the substrate glass.

2 Normative references

The contents of the following documents constitute 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. GB/T 18910.5-2008 Liquid crystal and solid state display devices Part 5.Environmental, durability and mechanical test methods (IEC 61747-5.1998,IDT)

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Strength The stress to which a specimen fails under load. 3.2 LCD surface strength LCDsurfacestrength Biaxial uniform tensile strength when surface defects in different directions are generated during the measurement process. Note. For more information, see references [9] to [12]. 3.3 LCD edge strength LCDedgestrength Uniaxial tensile strength when edge defects are produced during the measurement process. Note. For more information, see references [13] to [16]. ......

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