The Business of Lighting Design™
Global Business of Lighting Design™
A gathering place for digital content
Today's news in a podcast format
The Official Magazine of NALMCO
Insights From Bill Attardi
Zachary Pearson Brings a Next-Generation Focus to IESNYC The young section president of IESNYC, Zachary Pearson, discusses education, emerging professionals, industry engagement and the responsibility
www.darksky.org Chicago Lights by Gerri Whitley UNDER ONE SKY Dark Sky’s global conference: Register now Hello Randy, DarkSky’s global conference, Under One Sky 2026, is just around
Randy attended the federal Markman hearing in Signify’s patent case against ETI, where key lighting terms like “heat sink,” “housing,” and “downlight module” were debated — decisions that could significantly shape the infringement dispute. Jennifer Chronister joins BIOS Lighting to grow the brand’s human-centric lighting story, and ETC names David Hilton as VP of Sales as Mark Vassallo retires after 28 years.
A federal patent hearing between Signify and ETI came down to some surprisingly basic lighting questions, including one at the center of the dispute: What exactly is a heat sink?