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31.120 - Electronic display devices

ICS 31.120 Details

Electronic display devices

Elektronische Anzeigeeinrichtungen

Dispositifs d'affichage électroniques

Elektronske prikazovalne naprave

General Information

Parent
31 - ELECTRONICS

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Standardization Organization
Technical Committee
Directive
Mandate
50
IEC
IEC 62977-2-7:2024(Main)
Electronic displays - Part 2-7 : Measurements of optical characteristics - Tiled displays

IEC 62977-2-7:2024 specifies standard measuring conditions and measurement methods for determining the optical characteristics of tiled displays which consist of multiple display modules in order to form one screen. These methods apply to emissive and transmissive direct view flat displays that render real 2D images with all modules lying in the same plane. The methods are applicable in environments where the measuring conditions can be controlled, such as laboratory and production testing.
NOTE The measurement results are not specific values for the products. They can vary according to the measurement method and light measuring device (LMD) used in the calibration.

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IEC
IEC 63145-22-20:2024(Main)
Eyewear display - Part 22-20: Specific measurement methods for AR type - Image quality

IEC 63145-22-20:2024 specifies the standard measuring conditions and measurement methods for determining the image quality of augmented reality (AR) type eyewear displays. This document applies to see-through type (AR glasses) eyewear displays using virtual image optics.
See-through type displays (VR glasses), contact lens-type displays, and retina direct projection displays are out of the scope of this document.

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IEC
IEC 62629-52-1:2024(Main)
3D displays - Part 52-1: Fundamental measurement methods of aerial display - Optical

IEC 62629-52-1:2024 specifies the standard measurement methods and measurement conditions for determining the optical properties of aerial displays. This document excludes image quality of aerial displays, such as modulation transfer function (MTF) and resolution measurements.

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IEC
IEC 62977-2-11:2023(Main)
Electronic displays - Part 2-11: Measurement of optical characteristics - Local luminance and uniformity

IEC 62977-2-11:2023 specifies the local luminance and uniformity measurement methods of emissive displays. The light measuring device’s (LMD) measurement field will cover more than 500 pixels of TVs, monitors or signage displays. The local luminance and uniformity measurement methods identify optical variations within the local block where over 500 emission pixels are regularly placed.

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IEC
IEC 62977-3-5:2023(Main)
Electronic displays - Part 3-5: Evaluation of optical performance - Colour capabilities

IEC 62977-3-5:2023 specifies standard evaluation methods for determining the colour capabilities of electronic display modules and systems with respect to colour accuracy, colour gamut volume, and their intersection with a reference colour space. Also included is evaluation with respect to the chromaticity gamut area. These methods apply to emissive and transmissive direct view displays that render real 2D images on a flat panel or on a curved panel with a local radius of curvature larger than 1 500 mm. This document evaluates the optical characteristics of these displays under darkroom conditions. This document applies to the testing of display performance in response to standard analogue or digital input signals that are not absolute luminance encoded. The input signal is relative RGB without metadata information that codes for real luminance, colour space or colour coordinates. These methods are limited to input signals with typical opto-electronic transfer functions (OETFs) such as defined in IEC 61966‑2‑1, Recommendation ITU-R BT.601 [18][1], Recommendation ITU-R BT.709, and Recommendation ITU-R BT.2020. The tests in this document are not suitable for use with HDR input signals.
This document contains attached files in the form of Microsoft Excel spreadsheet and App installer. These files are intended to be used as a complement and do not form an integral part of the standard.

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IEC
IEC 63145-10:2023(Main)
Eyewear display - Part 10: Specifications

IEC 63145-10:2023 establishes specifications and requirements for eyewear displays. This document is applicable to virtual reality (VR)-type (non-see-through) and augmented reality (AR)-type (see-through) eyewear displays using virtual image optics. The specifications and requirements for prescription lenses are out of the scope of this document.

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IEC
IEC 62977-3-9:2023(Main)
Electronic displays - Part 3-9: Evaluation of optical performance - Display sparkle contrast

IEC 62977-3-9:2023 specifies standard measurement conditions and methods for determining the sparkle contrast of direct-view displays which comprise display matrix elements to render real 2D images on a flat panel and an anti-glare layer. This document excludes measurement of sparkle, which is intentionally obtained by the specular reflection from reflecting flakes in coatings and paints.

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IEC
IEC 62977-3-4:2023(Main)
Electronic displays - Part 3-4: Evaluation of optical performances - High dynamic range displays

IEC 62977-3-4:2023 specifies the standard evaluation methods for determining the optical characteristics of HDR electronic display modules and systems. These methods apply to emissive and transmissive direct-view displays that render real 2D images on a flat panel or on a curved panel with a local radius of curvature larger than 1 500 mm. This document evaluates the optical characteristics of these displays under darkroom conditions. This document applies to the testing of display performance in response to HDR digital input signals that are absolute luminance encoded such as the HDR signal comprising RGB component values of Recommendation ITU-R BT.2020 colorimetry with SMPTE ST 2084 PQ luminance encoding and SMPTE ST 2086 metadata.

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IEC
IEC 62715-6-22:2023(Main)
Flexible display devices - Part 6-22: Crease and waviness measurement methods

IEC 62715-6-22:2023 specifies the standard measurement conditions and methods for determining the surface crease and waviness for the evaluation of foldable displays. The measurement methods are used to specify the extent of geometrical distortions in foldable display surfaces. This document applies to foldable display panels and modules (e.g. in-folding and out-folding) with one axis.

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SIST
SIST EN IEC 63207:2023(Main)
Measurement methods of blue light characteristics and related optical performance for visual display terminals (IEC 63207:2022)
EN IEC 63207:2022

IEC 63207:2022 specifies measurement methods for optical performance (luminance) and blue light characteristics (BLCs) of visual display terminals (VDTs), excluding displays for outdoor use only.

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IEC
IEC 62908-12-10:2023(Main)
Touch and interactive displays - Part 12-10: Measurement methods of touch displays - Touch and electrical performance

IEC 62908-12-10:2023 is available as IEC 62908-12-10:2023 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 62908-12-10:2023 specifies the standard measuring conditions and measurement methods for determining touch and hovering performance of a touch sensor module. This document is applicable to touch sensor modules, where the structural relationship between touch sensor, touch controller, touch sensor module, display panel, touch display panel, and touch display module is defined in IEC 62908-1-2. This second edition cancels and replaces the first edition published in 2017. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
- added hovering performance measurement methods, especially in-plane characteristics at a constant distance from the touch sensor;
- added pen touch performance.

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  • Standard
    88 pages
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IEC
IEC TR 62595-1-5:2022(Main)
Display lighting unit - Part 1-5: Electrical signal interface of LED BLU

IEC TR 62595-1-5:2022(E), which is a Technical Report, provides information for the future standardization of the electrical signal interface of LED backlight units for liquid crystal display television sets, which include control signals, control data and LED driver interface. This document only provides information about 2-D local dimming LED backlight units, with or without local boosting.
NOTE All values and parameters of this document are examples.

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IEC
IEC TR 62715-6-21:2022(Main)
Flexible display devices - Part 6-21: Mechanical test methods - Foldable durability test for foldable display set

IEC TR 62715-6-21:2022, which is a technical report, provides information about various folding types and hinge structures of foldable products which can affect the durability of a foldable panel. This document focuses only on the issues concerning the foldable products and will not include product parts that do not affect display durability such as speakers, batteries, communication ports.

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    14 pages
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CLC
EN IEC 63207:2022(Main)
Measurement methods of blue light characteristics and related optical performance for visual display terminals
SIST EN IEC 63207:2023

IEC 63207:2022 specifies measurement methods for optical performance (luminance) and blue light characteristics (BLCs) of visual display terminals (VDTs), excluding displays for outdoor use only.

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IEC
IEC 62629-62-11:2022(Main)
3D display devices - Part 62-11: Measurement methods for virtual-image type - Optical

IEC 62629-62-11:2022 specifies the standard measuring conditions and measurement methods for determining the optical properties of the image created by 3D display devices and virtual-image optics such as head-up displays. The virtual image refers to an image in which the 3D visual information is superimposed with the outside world. Eye-wear type displays are however beyond the scope of this document.
NOTE The meaning of a virtual image in optics is in general an image formed when the outgoing rays from a point on an object always diverge. With regard to display application, a virtual image can be interpreted according to a real viewing case. When an image is viewed, even though there is no physical display (monitor, TV, screen), in front of a person's eyes, it is called virtual image.

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IEC
IEC 62715-2:2022(Main)
Flexible display devices - Part 2: Essential ratings and characteristics

IEC 62715-2:2022(E) specifies the essential ratings and characteristics of flexible display modules.

  • Standard
    10 pages
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IEC
IEC 63207:2022(Main)
Measurement methods of blue light characteristics and related optical performance for visual display terminals

IEC 63207:2022 specifies measurement methods for optical performance (luminance) and blue light characteristics (BLCs) of visual display terminals (VDTs), excluding displays for outdoor use only.

  • Standard
    28 pages
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IEC
IEC 63145-21-20:2022(Main)
Eyewear display - Part 21-20: Specific measurement methods for VR image quality - Screen door effect

IEC 63145-21-20:2022(E) specifies the standard measurement conditions and measurement methods for determining the screen door effect (SDE), which is one of the image quality aspects of eyewear displays of virtual reality (VR) type.

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IEC
IEC 63145-1-2:2022(Main)
Eyewear display - Part 1-2: Generic - Terminology

IEC 63145-1-2:2022(E) provides terms that are used in the field of eyewear displays for augmented reality, virtual-reality, mixed reality, and the image or video rendering on these displays.

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IEC
IEC TR 62977-1-31:2021/AMD1:2022(Amendment)
Amendment 1 - Electronic displays - Part 1-31: Generic - Practical information on the use of light measuring devices
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IEC
IEC 62977-3-7:2022(Main)
Electronic displays - Part 3-7: Evaluation of optical performance - Tone characteristics

IEC 62977-3-7:2022(E) specifies the standard measurement and evaluation of optical performance for grey and colour tone reproduction of electronic displays under darkroom conditions. This document describes the measuring methods and evaluation of tone rendering of neutral grey, primary and secondary input colours. This document applies to displays with unbounded input signals.

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    37 pages
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CLC
EN IEC 62563-2:2021(Main)
Medical electrical equipment - Medical image display systems - Part 2: Acceptance and constancy tests for medical image displays
SIST EN IEC 62563-2:2022

This part of IEC 62563 establishes the performance CRITERIA and test frequencies for the ACCEPTANCE TESTS and CONSTANCY TESTS. The evaluation methods are defined in IEC 62563-1. The scope of this document is directed to practical tests that can be visually evaluated or measured using basic test equipment. This document applies to medical IMAGE DISPLAY SYSTEMS, which can display monochrome image information in the form of greyscale values on colour and greyscale IMAGE DISPLAY SYSTEMS. This document does not apply to information displays and to displays used solely for control of technical settings of all medical information.

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IEC
IEC 62563-2:2021(Main)
Medical electrical equipment - Medical image display systems - Part 2: Acceptance and constancy tests for medical image displays

IEC 62563-2:2021 establishes the performance CRITERIA and test frequencies for the ACCEPTANCE TESTS and CONSTANCY TESTS. The evaluation methods are defined in IEC 62563-1. The scope of this document is directed to practical tests that can be visually evaluated or measured using basic test equipment. This document applies to medical IMAGE DISPLAY SYSTEMS, which can display monochrome image information in the form of greyscale values on colour and greyscale IMAGE DISPLAY SYSTEMS. This document does not apply to information displays and to displays used solely for control of technical settings of all medical information.

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IEC
IEC 62629-1-2:2021(Main)
3D display devices - Part 1-2: Generic - Terminology and letter symbols

IEC 62629-1-2:2021 is available as IEC 62629-1-2:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 62629-1-2:2021 provides a list of the terminologies that are frequently used in describing 3D display technologies in the -IEC 62629 series. Terms for various 3D display technologies on stereoscopic, autostereoscopic, volumetric, and :holographic displays are included. This edition includes the following significant technical changes with respect to the previous edition:
- added new terms related to holographic display and light field display;
- added new terms on the performance specifications used in other IEC 62629 series documents;
- added Annex C to explain the depth perception in 3D displays in more detail.

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IEC
IEC TR 62908-1-3:2021(Main)
Touch and interactive displays - Part 1-3: General introduction of pen touch technology

IEC TR 62908-1-3:2021, which is a technical report, provides general information on pen touch technology with the aim toward standardization. This document includes an overview of the pen touch technology, critical performance characteristics, issues of characteristics measurements, and other information. The purpose of this documents is to provide an overview of the different products available in pen touch technology.

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IEC
IEC TR 63308:2021(Main)
Virtual reality equipment and systems - Market, technology and standards requirements

IEC TR 63308:2021 discusses the market of virtual reality (VR) and the technical domains pertaining to a VR system. This document provides clarity on how existing standards can be used and highlights further requirements for standards within the scope of TC 100.

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IEC
IEC 62595-2-5:2021(Main)
Display lighting unit - Part 2-5: Measurement method for optical quantities of non-planar light sources

IEC 62595-2-5:2021 specifies the measurement methods for measuring the optical characteristics of convex and concave cylindrical light sources. These non-planar light sources (NPLSs) can have either a continuous, distinct, segmented or block-wised light radiating surface, for example OLED panels, integrated LEDs, integrated mini-LEDs, micro-LEDs, laser diodes, each being either monochromatic or polychromatic.

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IEC
IEC TR 62977-1-31:2021(Main)
Electronic displays - Part 1-31: Generic - Practical information on the use of light measuring devices

IEC TR 62977-1-31:2021(E) provides practical information on light measuring devices (luminance meters, colorimeters, and spectroradiometers) with luminance measuring optics for the characterization of electronic displays.

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    155 pages
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IEC
IEC TR 62977-5-2:2021(Main)
Electronic displays - Part 5-2: Visual assessment - Colour discrimination according to viewing direction

IEC TR 62977-5-2:2021, which is a Technical Report, describes the visual assessment method of the viewing direction characteristics of display devices. This document reviews the visual assessment of viewing direction by using special test patterns to estimate colour changes, image structure, and image luminance.
Experimental results are shown to reveal the effectiveness of this kind of visual assessment.
This method is a valuable tool for identifying image quality issues, but physical measurements will be used to confirm display performance specifications.
NOTE The visual assessment results will depend on the test pattern parameters and display setup conditions. As the viewing direction changes, characteristics such as contrast ratio, resolution, and device colour-shift simultaneously change in the perceived image.

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IEC
IEC 62977-2-1:2021(Main)
Electronic displays - Part 2-1: Measurements of optical characteristics - Fundamental measurements

IEC 62977-2-1:2021(E) specifies standard measurement conditions and measuring methods for determining the optical characteristics of electronic display modules and systems. These methods apply to emissive and transmissive direct view displays that render real 2D images on a flat panel. This document evaluates the optical characteristics of these displays under darkroom conditions. This document applies to the testing of display performance in response to standard analogue or digital input signals that are not absolute luminance encoded. The input signal is relative RGB without metadata information that codes for real luminance, colour space or colour coordinates. These methods are limited to input signals with typical OETFs such as defined in IEC 61966-2-1, ITU BT. Rec. 601, ITU BT. Rec.709, and ITU BT. Rec.2020. The tests in this document are not approved for use with HDR input signals.
NOTE A flat panel or flat panel display is a display with a flat surface and minimal depth that emits visible light from the surface. The display is subdivided into an array of electronically driven pixels which can be light valves modulating a backlight, or self-luminous. Emissive/transmissive/reflective hybrid displays can be flat panel or flat panel displays.

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IEC
IEC 62715-6-3:2020(Main)
Flexible display devices - Part 6-3: Mechanical test methods - Impact and hardness tests

IEC 62715-6-3:2020 (E) is to define the standard test methods to evaluate the mechanical robustness of flexible display modules, especially mechanical robustness regarding impact and hardness, which include displays such as liquid crystal displays (LCDs), e-paper, and organic light emitting diode (OLED) displays, against external forces applied to a panel.

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IEC
IEC 62595-2-4:2020(Main)
Display lighting unit - Part 2-4: Electro-optical measuring methods of laser module

IEC 62595-2-4:2020(E) specifies the electro-optical measuring methods of laser modules with multiple laser devices and an optical output for various displays and display lighting applications which require photometric and colorimetric measurements, covering the wavelength range of 380 nm to 780 nm. The module has multiple laser devices such as edge-emitting laser diodes (LDs), vertical cavity surface-emitting laser diodes (VCSELs), or photon up-conversion laser devices including second-harmonic generation (SHG). The module has an optical output such as an optical fibre, waveguide, light guide, lens unit, or other optics, emitting a laser beam combining the output of the multiple laser devices.

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IEC
IEC 63211-3-5:2020(Main)
Durability test methods for electronic displays - Part 3-5: Mechanical tests - Surface durability

IEC 63211-3-5:2020(E) defines common procedures for surface durability mechanical test methods. This document generally describes the test equipment and procedures used for each method when applied on all levels, from parts (i.e. outermost surface parts of products, display panels and modules) to final products (i.e. finished displays or products).

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IEC
IEC 62977-2-2:2020(Main)
Electronic displays - Part 2-2: Measurements of optical characteristics - Ambient performance

IEC 62977-2-2:2020(E) specifies standard measurement conditions and measuring methods for determining the optical characteristics of electronic displays under indoor and outdoor illumination conditions. Standard illumination geometries are specified and the reflection properties of flat screens are determined under those conditions. Reference illumination levels and spectra are used to estimate the photometric and colorimetric characteristics of electronic displays under the same conditions. These methods apply to emissive, transmissive, and reflective displays, or combinations thereof, that render real 2D images on a flat screen.

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CLC
EN IEC 63181-2:2020(Main)
LCD multi-screen display terminals - Part 2: Measuring methods
SIST EN IEC 63181-2:2021

IEC 63181-2:2020 specifies measuring methods for LCD multi-screen display terminals. To evaluate the characteristics of LCD multi-screen display terminals, the following measurement items are specified: – gap (physical, optical): detailed splicing precision; – splicing deviation: splicing accuracy of active areas of LCD splicing screen; – installation deviation: the flatness of terminal surfaces in vertical and horizontal directions; – luminance uniformity: luminance uniformity of adjacent LCD units; – chromatic uniformity: chromatic uniformity of adjacent LCD units.

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IEC
IEC TR 62595-1-4:2020(Main)
Display lighting unit - Part 1-4: Glass light guide plate

IEC TR 62595-1-4:2020(E), which is a Technical Report, provides general information for judging the necessity of future standardization of glass light guide plates for display lighting units, which include backlight units for transmissive displays such as LCDs, and frontlight units for reflective displays.

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IEC
IEC 63181-2:2020(Main)
LCD multi-screen display terminals - Part 2: Measuring methods

IEC 63181-2:2020 specifies measuring methods for LCD multi-screen display terminals. To evaluate the characteristics of LCD multi-screen display terminals, the following measurement items are specified:
– gap (physical, optical): detailed splicing precision;
– splicing deviation: splicing accuracy of active areas of LCD splicing screen;
– installation deviation: the flatness of terminal surfaces in vertical and horizontal directions;
– luminance uniformity: luminance uniformity of adjacent LCD units;
– chromatic uniformity: chromatic uniformity of adjacent LCD units.

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IEC
IEC TR 63211-2-12:2020(Main)
Durability test methods for electronic displays - Part 2-12: Environmental tests - Environmental conditions of use, storage and transportation of electronic displays

IEC TR 63211-2-12:2020(E) provides data and information on the environmental conditions when electronic displays are used, stored and transported.
This document covers the temperature, relative humidity and light of the environment of electronic displays.
The information provided by this document is related to the following electronic displays:  
indoor displays for consumer homes and offices, such as TVs or PC monitors,
indoor displays for commercial applications, such as signage and show cases,
mobile displays, such as smartphones, tablets, e-books and mobile PCs,
wearable displays, such as eyewear displays and smart watches,
in-vehicle displays, and
outdoor displays, such as signage for public information and advertising.

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IEC
IEC 63145-22-10:2020(Main)
Eyewear display - Part 22-10: Specific measurement methods for AR type - Optical properties

IEC 63145-22-20:2020(E) specifies the standard measurement conditions and measuring methods for determining the see-through optical properties and imaging quality of augmented reality (AR) eyewear displays. This includes the transmission characteristics and ambient optical performance of the eyewear displays.
Contact lens type displays are out of the scope of this document.
NOTE The relationship between the scope and other documents (IEC 63145-20-10, IEC 63145-22-10) is shown in Annex A.

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IEC
IEC TS 63181-1:2019(Main)
LCD multi-screen display terminals - Part 1: Conceptual model

IEC TS 63181-1:2019 specifies a conceptual model for LCD multi-screen display terminals. This document defines typical functional components to compose LCD multi-screen display terminals and describes the terminals' structure and signal flow. The document also clarifies signal processing in the terminals to create multi-screen sub-signals from a single video signal input.

  • Technical specification
    10 pages
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IEC
IEC 60601-2-22:2019(Main)
Medical electrical equipment - Part 2-22: Particular requirements for basic safety and essential performance of surgical, cosmetic, therapeutic and diagnostic laser equipment

IEC 60601-2-22:2019 is available as IEC 60601-2-22:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 60601-2-22:2019 applies to the Basic Safety and Essential Performance of laser equipment for surgical, therapeutic, medical diagnostic, cosmetic or veterinary applications, intended for use on humans or animals, classified as Laser Product of Class 1C where the Enclosed Laser is of Class 3B or 4, or Class 3B, or Class 4. Medical Electrical Equipment or Medical Electrical Systems which incorporate lasers as sources of energy being transferred to the Patient or animal and where the lasers are specified as above, are referred to as “laser equipment” in this document. Laser Products for these applications classified as a Class 1, Class 1M, Class 2, Class 2M or Class 3R Laser Product, are covered by IEC 60825-1:2014 and by the general standard. If a clause or subclause is specifically intended to be applicable to ME Equipment only, or to ME Systems only, the title and content of that clause or subclause will say so. If that is not the case, the clause or subclause applies to ME Equipment and to ME Systems, as relevant. Hazards inherent in the intended physiological function of laser equipment within the scope of this document are not covered by specific requirements in this document except in 7.2.13, Physiological effects, of the general standard. If the laser equipment is Class 1C according to IEC 60825-1:2014 and is used as a laser appliance in a household, it is covered by IEC 60335-2-113:2016. This fourth edition cancels and replaces the third edition published in 2007 and Amendment 1:2012. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) it takes account of IEC 60601-1:2005/AMD1:2012 and IEC 60825-1:2014, which have been published since publication of the third edition;
b) it addresses technical and safety issues which have arisen since publication of the third edition;
c) the scope of this fourth edition differs from the scope of the third edition. It now includes Class 1C laser equipment, as defined in IEC 60825-1:2014, when the Enclosed Laser is Class 3B or 4;
d) LED (light emitting diode) products are now excluded from this document as medical LED products may be covered by IEC 60601-2-57.

  • Standard
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  • Standard
    62 pages
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IEC
IEC 62341-5-3:2019(Main)
Organic light emitting diode (OLED) displays - Part 5-3: Measuring methods of image sticking and lifetime

IEC 62341-5-3:2019 is available as IEC 62341-5-3:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 62341-5-3:2019 specifies the standard measuring methods for determining the image sticking and lifetime of organic light emitting diode (OLED) display panels and modules, except finalized display products for end customers, such as TV sets, monitor sets and mobile phones. The measuring method for the lifetime mainly applies to modules.
This edition includes the following significant technical changes with respect to the previous edition:
a) the measurement vehicle for lifetime is only for the module;
b) the measurement method for monitor or TV devices is modified;
c) the digital signage display is included as an example of OLED devices;
d) the measurement method with HDR (high dynamic range) for image sticking is added;
e) the analysis method with CIEDE 2000 is added for image sticking;
f) the information method for evaluating image sticking is modified.

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    26 pages
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  • Standard
    63 pages
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IEC
IEC 62908-12-20:2019(Main)
Touch and interactive displays - Part 12-20: Measuring methods of touch displays - Multi-touch performance

IEC 62908-12-20:2019(E) specifies the standard measuring conditions and measurement methods for the multi-touch performance of a touch sensor module. This document is applicable to touch sensor modules, where the structural relationship between the touch sensor, touch controller, touch sensor module, display panel, touch display panel, and touch display module is defined in IEC 62908-1-2.

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    19 pages
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IEC
IEC 63145-20-20:2019(Main)
Eyewear display - Part 20-20: Fundamental measurement methods - Image quality

IEC 63145-20-20:2019 (E) specifies the standard measurement conditions and measurement methods for determining the image quality of eyewear displays. This document is applicable to non-see-through type (virtual reality “VR” goggle) and see-through type (augmented reality “AR” glasses) eyewear displays using virtual image optics.
Contact-lens type displays and retina direct projection displays are out of the scope of this document.

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    26 pages
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IEC
IEC 61747-30-3:2019(Main)
Liquid crystal display devices - Part 30-3: Measuring methods for liquid crystal display modules - Motion artefact measurement of active matrix liquid crystal display modules

IEC 61747-30-3:2019(E) applies to transmissive type active matrix liquid crystal displays.
This document defines general procedures for quality evaluation related to the motion performance of transmissive thin film transistor (TFT) LCDs. It defines artefacts in the moving image and methods for motion artefact measurement.
NOTE Motion blur measurement methods and analysis methods introduced in this document are not universal tools for all the different LCD motion enhancement technologies due to their complexity. Users’ attention is drawn to this fact.
This first edition cancels and replaces the first edition of IEC 61747-6-3 published in 2011. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) added test positions and areas;
b) revised standard measuring conditions;
c) added calculation of the standard deviation of the line-spread function of the eye;
d) added requirements for high speed camera;
e) changed “LCDs” to “transmissive TFT LCDs” in Clause 1.

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    26 pages
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IEC
IEC 63145-20-10:2019(Main)
Eyewear display - Part 20-10: Fundamental measurement methods - Optical properties

IEC 63145-20-10:2019(E) specifies the standard measurement conditions and measurement methods for determining the optical properties of eyewear displays. This document applies to non-see-through type (virtual reality “VR” goggles) and see-through type (augmented reality “AR” glasses) eyewear displays using virtual image optics.
Contact lens-type displays and retina direct projection displays are out of the scope of this document.

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    31 pages
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IEC
IEC TS 62715-5-4:2019(Main)
Flexible display devices - Part 5-4: Measuring method of blur in flexible transparent displays

IEC TS 62715-5-4:2019 (E) specifies the measuring conditions and measuring methods for determining the blur of objects when viewed through a flexible transparent display. This document mainly applies to flexible transparent display modules that have a constant radius curvature about a single axis. The display is measured in a static mechanical state.

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    16 pages
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IEC
IEC 61747-40-1:2019(Main)
Liquid crystal display devices - Part 40-1: Mechanical testing of display cover glass for mobile devices - Guidelines

IEC 61747-40-1:2019 is available as IEC 61747-40-1:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 61747-40-1:2019 provides mechanical performance testing guidelines for cover glass used in electronic flat panel displays in mobile devices. This document focuses on key mechanical testing performance parameters and covers mainly strength and damage resistance attributes. The test methods focus on the cover glass level testing only. This edition includes the following significant technical changes with respect to the previous edition:
- withdrawal of test methods unsuitable for mobile display cover,
- revision of test methods based on newly developed market relevance,
- addition of test method for abraded strength,
- addition of explanations about the relevance between the test methods and the fracture mode, and
- revision of terms and definitions.

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    11 pages
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  • Standard
    23 pages
    English language
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IEC
IEC TR 62595-1-3:2019(Main)
Display lighting unit - Part 1-3: Lighting units with arbitrary shapes

IEC TR 62595-1-3:2019 (E) focuses on common issues of light emission such as spatial uniformity of luminance and colour, and angular distribution of luminance and colour, from lighting units with arbitrary shapes like flexible lighting sources (FLSs). This document provides a model of light emission from a curved FLS and of light measurement on a curved FLS. Because the development of flexible liquid crystal panels is in progress (see the notes), the intent of this document is to provide guidance for the development of future measurement standards. This document is applicable to FLSs either as light sources, products or elements with arbitrary shapes of geometrical curvature having different spectral and spatial characteristics of light emission.
NOTE 1 Almost 20 years ago plastic LCDs were developed and used in a few applications.
NOTE 2 Flexible BLUs have been used for bendable LC panels in recent years.
NOTE 3 Recent transmissive and transflective flexible LCs require flexible BLUs.

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    19 pages
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IEC
IEC 62629-12-2:2019(Main)
3D display devices - Part 12-2: Measuring methods for stereoscopic displays using glasses - Motion blur

IEC 62629-12-2:2019 specifies the measuring methods of motion artifacts for stereoscopic displays using glasses. This document is applicable to stereoscopic displays using glasses, which consist of transmissive type active matrix liquid crystal display modules (without a post image processing).

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    47 pages
    English and French language
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