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Characteristics of Light Emitting Diodes and the Human Visual System: An Industry Perspective
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Abstract:
Visible light emitting diodes (LEDs) have revolutionized a variety of fields, including lighting, display technology, and horticulture. Both lighting and display technology primarily interact with the human visual system to convey a range of visual information. Despite their shared visual goals, the characteristics that make an LED excel in one application often differ significantly from those in another. Various mathematical models have been developed to approximate the human visual system. In this lecture, we will delve into the most commonly used color spaces to understand how we perceive the world and how LEDs can be optimized for both comfort and efficiency.
Speaker's bio:
Feras AlQatari is a Saudi materials scientist and engineer specializing in compound semiconductors for optoelectronic applications. He earned his B.Sc. in Materials Science from the University of Maryland, College Park (UMD) as a recipient of the prestigious KAUST Gifted Students Program (KGSP) scholarship. Returning to Saudi Arabia, he completed his M.Sc. and Ph.D. at KAUST under Prof. Xiaohang Li, pioneering research on BAlN and BGaN alloys, with a focus on their structural and optoelectronic properties using advanced techniques like MOCVD growth, XRD, and TEM.
Following his academic work, Feras joined ams-OSRAM as a Development Engineer, where he contributed to the advancement of visible LED and µLED technologies for automotive applications and next-generation displays. His expertise spans epitaxy, semiconductor characterization, and optoelectronic device development, bridging fundamental research with industrial innovation.