Electric lights for Christmas trees; LED (light emitting diode) lighting fixtures; LED (light emitting diodes) lighting fixtures for use in display, commercial, industrial, residential, and architectural accent lighting applications; LED light assemblies for street lights, signs, commercial lighting, automobiles, buildings, and other architectural uses; LED lighting fixtures for indoor and outdoor lighting applications; Lighted party-themed decorations, electric light decorative strings; Optical lens covers that improves light output and uniformity, and protects the LED sold as a feature of an LED lighting system