US Patent 12085255 Lamp having illuminating light pipe with axial aligned prism optics

A lamp includes a light source and a light pipe including a light transmissive medium with an elongated body extending along an axial axis. The light pipe has an input for receiving light from the light source and a plurality of prism optics extending into an outside surface of the elongated body in a direction of the axial axis, wherein the plurality of prism optics each has an angle in the range of about 115° (degrees) to 145° (degrees).