Polycarbonate Seen As Top Choice for LED Lighting

Glass and transparent plastics, especially acrylic resins, have long been used in the lighting industry for various aesthetic and functional purposes. As the industry has evolved, light-emitting diode (LED) lighting has moved from niche applications to more mainstream commercial and residential use, and there has been a growing interest in plastics — especially polycarbonate — because of the properties of the material and the versatility it provides. Polycarbonate is now seen in a variety of areas in LED lighting including lenses, optics, covers, channel letters, sign facing, globes, and light diffusers.

The mechanical integrity and durability of the product are the qualities that have caused the industry to focus on polycarbonate. Certain features of polycarbonate, such as heat resistance and transparency, are important in the LED lighting industry. But because the LED light source is relatively expensive to produce and can last up to ten years, manufacturers and designers are primarily concerned that the material used for the light lens, or cover, holds up for the same amount of time that the LED light source lasts — in order to protect the costly light source.

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