Alp Durmus, Penn State University
Location: Nassau
TuesdayMarch 18, 2025
9:00 am - 10:00 am ET
Credits 1 LU | Elective
Introductory
This presentation explores the fascinating interplay between melanopsin, a photopigment influencing our circadian rhythms, and the saturation of red light, particularly within the color gamut. By examining how these factors contribute to brightness perception, we’ll uncover insights that can enhance lighting design strategies, from everyday applications to advanced visual environments.
No specific prerequisites are required, though a basic understanding of lighting design and color theory may enhance comprehension.
Learning Objectives
- Participants will be able to explain the role of melanopsin in human brightness perception.
- Participants will be able to describe the impact of red saturation on perceived brightness.
- Attendees will learn to analyze how color gamut can influence the effectiveness of lighting design.
- Participants will be able to apply these insights to optimize lighting environments for different use cases.
Speaker

Alp Durmus is an associate professor in the Department of Architectural Engineering at the Pennsylvania State University. He teaches architectural lighting design, computer-aided design, human factors, and color science. His research interests include colorimetry, visual perception, next-generation lighting systems, human factors, energy efficiency, light pollution, sustainability, life cycle assessment, image statistics, psychophysics, and health impacts of optical radiation.
