The CIE is pleased to announce the 31st Quadrennial Session of the CIE, to be held in Nanjing, China, from 9–17 July 2027.
For this session, we are pleased to have the China Illuminating Engineering Society (CIES) / CIE National Committee of China as our local host. Together, we look forward to welcoming you to Nanjing, the ancient capital of the Six Dynasties, where rich historical heritage meets modern scientific and technological vitality.
The CIE 2027 Scientific Conference will take place from 12–14 July 2027. It will be preceded by administrative meetings on 9–10 July, the CIE Industry Forum on 10 July, and the General Assembly on 11 July. The Scientific Conference will be followed by CIE Division and Technical Committee meetings on 15–16 July.
The scientific programme will reflect the full breadth of CIE’s work, with all six CIE Divisions convening to exchange knowledge and address key developments across the field.
As the peak global organisation devoted to international cooperation and the exchange of information on the science and art of light and lighting, CIE provides a unique platform for connecting research, industry, standardisation, and practice. The 31st Quadrennial Session of the CIE will build on this role by bringing together leading academics, industry experts, and standards developers from around the world to advance light and lighting science and strengthen international cooperation in standards development.
Please explore the conference website for further details.
Hosting organisations:
- China NC of CIE (China Illuminating Engineering Society, CIES)
- Nanjing Urban Lighting Construction and Operations Group Co., Ltd
- Southeast University
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First Announcement
Download the first announcement for the 31st Quadrennial Session of the CIE for an overview of the event, including key dates, keynote lectures, workshops, conference topics, and further programme information.