David Shiller

The National Association of Home Builders (NAHB) and 15 state attorneys general have filed a lawsuit against the U.S. Department of Housing and Urban Development (HUD) and the U.S. Department of Agriculture (USDA) over new energy efficiency standards for certain single-family homes and multifamily housing programs. The lawsuit, filed on January 2, 2025, in the [...]

ANSI recently published ANSI C78.377-2024: Electric Lamps – Specifications for the Chromaticity of Solid-State Lighting (SSL) Products. It covers the range of chromaticities recommended for general solid-state lighting (SSL) products so that the white light chromaticities of the products can be communicated to both commercial and residential consumers. The color appearance of SSL sources is [...]

Here is my article in the December 2024 issue of LD+A: Nestled in the heart of Rome, the Bulgari Hotel Roma stands as a tribute to the illustrious legacy of Sotirio Bulgari, the legendary jeweler famed for adorning the world’s stars of stage and screen. As the ninth addition to the Bulgari Hotels & Resorts [...]

  Physicists at the University of Birmingham have created the first direct visualization of a photon’s shape. This groundbreaking achievement provides new insights into the fundamental nature of light and its interactions with matter. Photons, the particles of light, are impossible to photograph directly as they don’t interact with each other. However, researchers have now [...]

  Nichia has launched GigaWhite, an ultra-bright SMD white laser diode surface mount device (SMD) created by combining a blue laser diode (LD) and phosphor. It was developed for automotive headlights, specialty lighting, and industrial lighting. Nichia’s technology has achieved uniform light with less color irregularity. Taking advantage of the characteristics of its ultra-high luminance, [...]

  Brazil is reconsidering its decision to eliminate daylight saving time (DST) due to climate change-related energy challenges. In 2019, former President Jair Bolsonaro ended the practice, promising a “permanent” solution to clock confusion. However, recent energy emergencies and the prospect of more to come have prompted a reevaluation of this decision. The elimination of [...]

Here is a quick update on six industry events and five awards. EVENTS:   CALL FOR PRESENTATIONS: IES25 The Lighting Conference Deadline: January 23 for Hands-On Workshops and Speaker Sessions Deadline: February 27 for Research Track and Posters More information here.   CALL FOR PRESENTATIONS: 2025 IES Street & Area Lighting Conference (SALC) Deadline: January 30, 2025. [...]

Endeavor Business Media recently announced plans to shut down LEDs Magazine, which has been one of the leading trade publications in the LED lighting industry. Carrie has been Editor in Chief for LEDs Magazine. I’m honored that she granted LightNOW this interview. Shiller: Do you think the decision to end LEDs Magazine is a symptom [...]

LG plans to unveil two smart lamps that double as indoor gardening systems at CES 2025, this week. These new products combine lighting and plant-growing capabilities, offering a solution for urban dwellers with limited space. The first product is a floor lamp with an integrated gardening base. This multifunctional device can accommodate up to 20 [...]