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GB/T 18910.61-2021 English PDF

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Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 18910.61-2021 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$629.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 18910.61-2021: Liquid crystal display devices - Part 6-1: Measuring methods for liquid crystal display devices - Photoelectric parameter
Status: Valid

GB/T 18910.61: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 18910.61-2021	629	Add to Cart	5 days	Liquid crystal display devices - Part 6-1: Measuring methods for liquid crystal display devices - Photoelectric parameter	Valid
GB/T 18910.61-2012	RFQ	ASK	5 days	Liquid crystal display devices -- Part 6-1: Measuring methods for liquid crystal display devices -- Photoelectric parameter	Obsolete

Similar standards

GB/T 43978 GB/T 43979 GB/T 43770 GB/T 18910.64 GB/T 18910.41 GB/T 18910.63

Basic data

Standard ID: GB/T 18910.61-2021 (GB/T18910.61-2021)
Description (Translated English): Liquid crystal display devices - Part 6-1: Measuring methods for liquid crystal display devices - Photoelectric parameter
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: L53
Word Count Estimation: 34,324
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 18910.61-2021: Liquid crystal display devices - Part 6-1: Measuring methods for liquid crystal display devices - Photoelectric parameter

---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 6-1.Measuring methods for liquid crystal display devices - Photoelectric parameter ICS 31.120 L53 National Standards of People's Republic of China Replace GB/T 18910.61-2012 Liquid crystal display device Part 6-1.Test Methods of Liquid Crystal Display Devices Optical parameters (IEC 61747-30-1.2012, Liquidcrystaldisplaydevices- Transmissivetype, NEQ) Released on 2021-10-11 and implemented on 2022-05-01 State Administration for Market Regulation Issued by the National Standardization Management Committee

Foreword Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Test equipment structure and standard test conditions 1 4.1 Standard test equipment and devices 1 4.2 Standard test position 3 4.3 Electrical conditions 3 4.4 Standard test conditions 3 4.5 Standard Test Procedure 4 5 Matrix display test method 4 5.1 Brightness and brightness uniformity 4 5.2 Preheating characteristics 5 5.3 Response time (turn-on time, turn-off time, rise time, fall time, gray-scale response time) 6 5.4 Blink 7 5.5 Brightness and contrast 8 5.6 Field of view 9 5.7 Transmittance test (applicable to liquid crystal display devices without backlight) 12 5.8 Specular reflection coefficient of the effective display area surface 12 5.9 White field chromaticity and chromaticity uniformity 14 5.10 Color reproducibility 15 5.11 Display resolution 15 5.12 Crosstalk 16 5.13 Threshold voltage and saturation voltage 17 5.14 Power consumption 18 6 Field display test method 20 6.1 Brightness and brightness uniformity 20 6.2 Preheating characteristics 21 6.3 Contrast 21 6.4 Current 24 6.5 Transmittance and reflectivity 26 6.6 Threshold voltage and saturation voltage 26 6.7 Power consumption 27 Appendix A (informative appendix) Reference lighting conditions and external light sources 29 Reference 30

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 6-1 of GB/T 18910. This section was drafted in accordance with the rules given in GB/T 1.1-2009. This part replaces GB/T 18910.61-2012 "Liquid Crystal Display Devices Part 6-1.Test Methods for Liquid Crystal Display Devices, Photoelectric Parameters number". Compared with GB/T 18910.61-2012, the main technical changes are as follows. ---Modified the division of the tested display device, modified the high-resolution matrix display to the matrix display (see 4.1.1,.2012 edition 4.1.1), low resolution and field display are modified to field display (see 4.1.2, 4.1.2 of the.2012 edition); ---Modified the viewing angle range test items, and added. ● The viewing angle range based on brightness (see 5.6.3); ● Based on the viewing angle range without gray inversion (see 5.6.4); ● Chromaticity-based viewing angle range (see 5.6.5); ● Viewing angle range based on visual quality (see 5.6.6); ---Modify the crosstalk, horizontal crosstalk and vertical crosstalk will test one point separately to test two symmetrical points separately (see 5.12, 5.12 in the.2012 edition); --- Incorporate the relevant test methods displayed in the fields into the text of this part (see Chapter 6, Appendix B of the.2012 edition). This part uses the redrafting method with reference to IEC 61747-30-1.2012 "Liquid Crystal Display Device Part 30-1.Liquid Crystal Display Module Test The test method through characteristics" is compiled, and the degree of consistency with IEC 61747-30-1.2012 is not equivalent. 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. BOE Technology Group Co., Ltd., Chongqing BOE Optoelectronics Technology Co., Ltd., Shenzhen Huaxing Optoelectronics Technology Co., Ltd., Hangzhou Zhejiang University Sanse Instrument Co., Ltd., China Electronics Standardization Institute, Southeast University, China Metrology Research Institute, Tianma Microelectronics Co., Ltd. The main drafters of this section. Zhang Zhigang, Lai Hangman, Li Xinguo, Li Lu, Zhang Wei, Mou Tongsheng, Wang Jianping, Li Junkai, Zhao Ying, Li Xiaohua, Xu Yingying and Zhou Haiqin. The previous releases of the standards replaced by this part are as follows. ---GB/T 14116-1993; ---GB 4619-1984, GB 7290-1987, GB/T 4619-1996; ---GB/T 18910.61-2012. Liquid crystal display device Part 6-1.Test Methods of Liquid Crystal Display Devices Optical parameters

1 Scope

This part of GB/T 18910 specifies the standard test conditions and test methods for the photoelectric parameters of liquid crystal display devices. This part is applicable to transmissive liquid crystal display devices with field display, active or passive matrix display (hereinafter referred to as "display devices"). It is a monochrome, multi-color or color display, including display devices with and without built-in light sources. Reflective liquid crystal display device can refer to use. This section does not apply to projection display mode.

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 18910.11-2012 Liquid crystal display devices Part 1-1.Terms and symbols CIE015.2004 Colorimetry, 3rd Edition (Colorimetry, 3rdEdition)

3 Terms and definitions

The terms and definitions defined in GB/T 18910.11-2012 apply to this document.

4 Test equipment structure and standard test conditions

4.1 Standard test equipment and devices 4.1.1 Matrix display A photometer, colorimeter or spectroradiometer can be used to test the transmission and/or reflected light characteristics of the tested display device; the test instrument and the tested The schematic diagram of the test system composed of display devices is shown in Figure 1. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 18910.61-2021_English be delivered?

Answer: Upon your order, we will start to translate GB/T 18910.61-2021_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 18910.61-2021_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 18910.61-2021_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB/T 18910.61-2021?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 18910.61-2021 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.