This resembles exposed neon, a 2-part LED system in a wide range of colors like Red, Red-Orange, Amber, Green, Blue, White & Warm White.
The Tetra Contour gets that name 'cause it can be formed to custom shapes and designs. The LED SSL - Solid State Lighting is more energy efficient (green) than many other systems.
Tetra Contour from LED Signage GE
2016 - Added Below Text - Image and Text above around 2010
Versus previous products, improved Tetra Contour features 103% greater loading, and new Tetra Contour LS delivers 137% greater loading
Tetra Contour LED lighting system has a long life that delivers up to five years of continuous 24/7 use. Impact resistant design helps eliminate excess shipping, installation and maintenance costs due to breakage.