Lobby Beacon at PNC Plaza Tower illuminates building energy use

From: Unusual Lobby Beacon at New Pittsburgh High-Rise Illuminates Building’s Energy Use, FacilitiesNet

The Tower at PNC Plaza in downtown Pittsburgh, which opened in October, is being touted as the greenest high-rise in the world, so it might as well have something innovative in its lobby. Enter the Beacon — a 24-foot-high light and media sculpture that visualizes the 33-story building’s performance in real time…

How does it do this? Well, the Beacon combines some 1,600 display panels into an integrated media canvas. Each panel has liquid crystal film that becomes clear when it receives electricity, or opaque without it. Inside is a grid of eight LEDs that show a range of colors. “These elements can be used simultaneously or separately to create animations with a variety of color, motion, and diffusion.”…

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