CIE Newsletter February 2021 #39


CIE Events

The Midterm Meeting of the CIE - CIE 2021

After a shift of the date of CIE 2021 from April 2021 to late September 2021 we can also now confirm that CIE 2021 will be fully online. Taking the Midterm Meeting to this format enables all involved to prepare with confidence and without the doubt about travel plans. MyCIE, the CIE National Committee of Malaysia, our host, hopes that the online format will enable participation from the entire CIE community regardless of their time zone. My CIE is supported by "pico", which is a professional conference organizer with expertise and all the tools to bring us together at this online event.

More information will be circulated in an upcoming CIE 2021 newsletter but in the meantime we can say that there will be several categories of registration fees, including:
  • A special early fee for individuals who are members of a CIE National Committee or Associate National Committee. This fee is tentatively set at € 425*. You are not a member? Why not join now? Check out the CIE Member Bodies around the world.
  • Special fees for students and those coming from countries with developing economies. These fees are tentatively set at € 265*.
*Note: Final fees will be set in Malaysian Ringgits, Euros are given here as a guideline.

And not to be forgotten is that the Abstract Submission System for CIE 2021 is still open and accepting submissions until March 19, 2021. The International Scientific Committee for CIE 2021 and the review panel are gearing up to make the double-blind review of the submissions - so send in the abstract on your current work to share with the CIE global community at CIE 2021.

Online Tutorial on the understanding and application of CIE S 026:2018

This online tutorial has been developed to support the understanding and proper application of CIE S 026:2018 CIE System for Metrology of Optical Radiation for ipRGC-Influenced Responses to Light.

It is expected that an outcome for participants at this tutorial will be clarity on how light can be quantified and assessed for its ability to achieve important biological effects relevant for human health, performance and well-being, without depending on visual image.

The focus of the tutorial is the implementation of CIE S 026:2018 in lighting metrology, design and applications. Invited experts will present lectures that explain the basic concepts of the newly defined CIE metrics and quantities, discuss their implications, and provide practical examples for various application contexts, such as workplaces, schools, hospitals and elderly (care) homes. Tutorial participants will learn how to quantify optical radiation for its ability to stimulate each of the five retinal photoreceptors (three cones, rods and melanopsin-containing ipRGCs) that can contribute to the non-visual responses to light, and how these responses affect people’s health, functioning and well-being.

The tutorial will be comprised of pre-recorded presentations followed-up with the opportunity to attend one of two "live" online Q&A sessions. The pre-recorded presentations will be made available from June 13, 2021 with options to attend the Q&A sessions on:
  • July 6, 2021, 09:00 - 11:00 CEST,
  • July 13, 2021, 16:00 - 18:00 CEST,
For those who register for the event there will be the opportunity to purchase CIE S 026: 2018 at a discounted price.

Registration for this event will open in March. Contact us at if you would like to be sent a notification when registration opens.

News from National Committees

NC Australia
CALReCo 2021, recently held by NC Australia, was an opportunity to bring the Australian Lighting community together online. Researchers and members of the lighting community from Australia and overseas presented a variety of talks on topics relating to the core scientific work of the CIE, in a high quality and informative one-day conference.

Participants at the NC AU CALReCo event

NC Russia
CIE along with CIE NC Russia celebrates the 90th Birthday of Professor Julian Aizenberg on April 8 - the oldest living Russian expert in light and lighting.

Professor Aizenberg has contributed significantly to the work of CIE NC Russia (VNISI) and to the work of CIE globally. Professor Aizenberg instigated the work of CIE TC 3-30, which produced CIE 164:2005 “Hollow Light Guide Technology and Applications”, and chaired the TC from 1994 until 1998.
Professor Aizenberg continues to be actively involved in all matters of lighting, in particular in his work as Editor-in-chief of the Svetotekhnika Journal, which is also published in English as the Light and Engineering Journal.

New Initiatives for CIE Publications

NC and ANC annual distribution of a CIE publication
A new initiative was rolled out at the end of last year, which enables each CIE National Committee (NC) and Associate National Committee (ANC) to distribute a specific publication to their members. The first part of this process was for the NCs and ANCs to select the publication to be distributed. For 2021 the selected publication is CIE 227:2017: Lighting for Older People and People with Visual Impairment in Buildings. So for all of our readers who are members of an NC or ANC: You should hear from the CIE NC or ANC in your country soon with regard to your access to CIE 227:2017.

Translations of CIE Publications
CIE publications are globally available in their original English language. All CIE NCs and ANCS can prepare translations of CIE work to enable wider distribution and in the past year two CIE publications have been translated by NC Russia into Russian:
These translations, which incorporate the English original, are available for purchase from the CIE Webshop. During this year more translated publications are intended to be made available:
  • CIE 227:2018 Lighting for Older People and People with Visual Impairment in Buildings, in Spanish;
  • CIE 232:2019 Discomfort Caused by Glare from Luminaires with a Non-Uniform Source Luminance, in German;
  • CIE S 026:2018 CIE System for Metrology of Optical Radiation for ipRGC-Influenced Responses to Light, in Chinese; and
  • CIE S 025:2015 Test Method for LED Lamps, LED Luminaires and LED Modules, in Russian.
All of this work is carried out or co-ordinated by CIE NCs and is sure to have a global impact on the dissemination of CIE work. A big thanks to NCs Germany, Russia and Spain for this contribution.

New Supportive Members

In addition to our National Committees (NCs) and Associate National Committees (ANCs) CIE has many Supportive Members (SMs). SMs are organizations (governmental, educational, companies) that are already members of an NC or ANC and want to make an additional contribution to the work of the CIE.
There are three categories of SM: Basic, Silver and Gold, with each level having different entitlements. For example all SMs are highlighted on the CIE website, with the Gold and Silver SMs having the opportunity to comment on new CIE publications as they go through the approval process and being sent a complimentary copy of each new CIE publications. More information about Supportive Membership can be found on the SM application form.

As a Supportive Member, you assist in safeguarding the CIE's work - now and in the future!

This year off we welcome two new Silver Supportive Members:

Guangzhou Scienca Electronics Technology Co.,Ltd

OSRAM Opto-Semiconductors

Call for Experts for CIE Technical Committees
The CIE has over 70 TCs working on new technical reports and international standards. If you have expertise to contribute to any of these or the new ones highlighted below, then you can apply for membership by sending in the CIE TC Membership form and CIE Copyright Agreement form to the relevant TC Chair, with copy to CIE Central Bureau.

TC 1-99: Modelling Two-Dimensional Colour Appearance Scales

The purpose of this TC is to recommend a set of two-dimensional colour appearance scales based on perceptual correlates derived from colour appearance models using existing experimental data, and to provide evidence of the value of these scales in appropriate applications. The scales include whiteness, blackness, vividness, depth (saturation), saturation, and clarity.

Chair: Ming Ronnier Luo (GB)

TC 3-57: A Generic Discomfort Glare Sensation Model

The purpose of this TC is to develop a new model to improve understanding, calculation and criteria for the evaluation of discomfort glare. It will model the glare sensation from a physiological viewpoint to make it applicable for various types of lit spaces and light sources (both indoor and outdoor) and to allow consideration of occupant profiles (age, visual ability, etc.) in lighting design.

Chair: Gilles Vissenberg (NL)

TC 3-58: Visual Ergonomics and Digital Display Use

The purpose of this TC is to update CIE 60-1984 so that it is relevant to modern digital device use.

Chair: Jennifer Long (AU)

TC 8-18: Guidelines for Definition and Evaluation of High Dynamic Range Images and Image Sequences

The purpose of this TC is to propose a definition of High Dynamic Range (HDR) images and image sequences (Images, hereafter), including luminance level, contrast, and spatial/temporal distribution. To define luminance levels, observing environment, adopted white point, the kinds of Images to be used in research experiments and their assessment. To recommend methods of calculating key characteristics of the HDR Images.

Chair: Mekides Assefa Abebe (NO)

TCs in the approval process

There are several stages before a new TC can start its work in the CIE it, from the preparation of the proposal for new TC work, discussion between he Divisions, approval at the Division level and then approval by the CIE Board of Administration. At the moment there are several new TCs in this last stage of the approval process that are noted below, there will be further announcements about these soon.

Division 3
  • The integration of daylight and electric lighting - photometric, colorimetric and radiometric requirements for the spectral design of indoor lighting.
  • Spectral Daylight Characteristics.
  • Revision of ISO/CIE 19476: 2014 Characterisation of the performance of illuminance meters and luminance meters.
  • Measurement of obtrusive light and sky glow.
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