Preparations are underway for CIE 2023, which will be held in September in Ljubljana, Slovenia. All involved in organizing this key CIE event are looking forward to welcoming you.
The Quadrennial Session runs from September 15 – 23, 2023, with the conference CIE 2023 running from September 18 – 20. Now is a great time to mark your calendar with these dates!
The broad theme for CIE 2023 is «Innovative Lighting Technologies», and the conference will be accepting abstracts on the topics of our six Divisions plus the following:
- Smart lighting
- Sustainable and resilient lighting technologies and practices;
- Integrative lighting for outdoors and indoors;
- Metrology for new technologies; and
- Image display in augmented and virtual reality modes.
The abstract submission system for CIE 2023 is now open and will close on March 5, 2023.
More information can be found on the conference website, slovenia2023.cie.co.at, including the currently known deadlines.

Advice about the registration fees for CIE 2023 is available on the conference website. We aim to have the registration open by March 2023. As at other CIE events, discounts are available for students and those coming from developing economies, and members of CIE National Committees.
We hope that with this information you can start planning your participation at CIE 2023, including what research and scientific activities you want to present at the conference, we are looking forward to receiving your abstracts.
Prizes at CIE 2023
As at CIE 2021 there will be prizes awarded for: Best Oral Presentation; Best Student Oral Presentation; and Best Poster Paper. The prizes will be a selection of up to three CIE publication and free registration at CIE 2025 and consideration for the «best of papers» to be included in a special issue of the journal Lighting Research and Technology (LR&T).
Only submitted full conference papers will considered for these awards. The Best Student Oral Presentation will be awarded to a paper where the main author is a student and the student is the person presenting the paper at CIE 2023.
Exhibition and Sponsorship Opportunities at CIE 2023
Exhibition and sponsorship opportunities are now available for CIE 2023.
There are many options to suit individual needs, starting at «Exhibition only» for €250 through to the «Platinum Package» at €16,000 that comes with 12 different aspects. Depending on the level of sponsorship, you will be given complimentary advertising space, and display of your logo in various publications and around the conference venue, and of course your company presence on the conference website.
Check out the offerings in the Exhibition and Sponsorship Brochure and let us know which suits your needs!