The Business Journals

What businesses need to know when comparing LED and high-pressure sodium lights

To continue reading this content, please enable JavaScript in your browser settings and refresh this page. Think back to mixing primary-color paint in grade school ...
Chicago Tribune

Chicago’s night sky is about to become an orange memory, as the city nears end of LED streetlight replacement. But are the new lights better?

For almost two generations of Chicagoans, orange has been the color of night. High pressure sodium vapor lights, which create a glow reminiscent of a tire fire, have lit Chicago since the 1970s. They ...
EDN

Retrofitted fire station demos LED lights next to old high-pressure sodium

Here’s a photo of a building’s night lighting after some retrofitting with LEDS. The Fire and Emergency Services building for the US Army’s Camp Humphreys (Pyeongtaek, Korea) replaced some of its ...
The Gazette

SIDE STREETS: Take your pick: sodium, ceramic, LED or neon

Clear your calendar the week of Oct. 8. We all have a big test to take. It’s the streetlight test. And, thankfully, it’s multiple choice. Do you like LED? Or ceramic metal halide? Or good old high ...
Columbus Dispatch

LED street lights too bright for some, who also worry about effect on wildlife

Like the 1980s Corey Hart song, Heidi Vanderpool wears her sunglasses at night. When she walks her dog in her Harrison West neighborhood, Vanderpool puts on her sunglasses because the LED streetlights ...
Chicago magazine

Chicago to Soften Its Purgatorial Orange Glow With White CMH Street Lights

Here’s how astronauts see us, or at least used to, back when we had astronauts: That’s set to change, at least a bit, as the city rolls out 16,300 ceramic metal halide street lights with the help of ...
Inland Valley Daily Bulletin

Chino Hills replaces traditional street lights with LED lights

Nights in Chino Hills are getting clearer, brighter and more cost-effective. Contractors are converting 2,800 streetlights over to LED bulbs. The streetlights are the first half of a set of lights ...
EDN

Bridgelux Replaces High-Pressure Sodium Lamps and Rolls 10-Year Warranty

There’s a new LED module on the block, the Bridgelux Outdoor Lighting Module (OLM) that reduces manufacturing cost of outdoor solid state lighting fixtures by 20% to 20% while lowering power ...
The Business Journals

What businesses need to know when comparing LED and high-pressure sodium lights

A problem too often overlooked is how the yellow-tinted light of high-pressure sodium (HPS) fixtures, which are typically found lighting streets and some parking lots, impacts your perception of the ...