Led street light is very different from ordinary lights used in houses, since a variety of lamps are used together in one single light in street lights. Such street lights emit more light at a comparatively lower rate.
Aluminum die cast frame, aluminum die cast frame textured with bronze powder and plastic lenses or tempered glass lenses are some of the preferred design materials.
The magnetron used to produce microwaves had previously reduced the existence of the plasma lamps. You can use solid state RF chips and give long life.
They emit low heat, as the majority of electricity is turned into light and a little wasted as heat. In sensitive applications such as cold storage this feature is especially useful.