Patent ID: 6857771

Claim:
A light stick for providing illumination comprising: an elongated tubular member formed of light-transmitting material, the elongated tubular member having: a longitudinally-extending empty interior space within the elongated tubular member; an exterior surface of the elongated tubular member being provided with a plurality of longitudinally spaced grooves; an aperture formed in a first end of the elongated tubular member; and a retaining recess positioned in the first end and separate from the longitudinally-extending empty interior, space the retaining recess including an internal surface for receiving and retaining a light source inserted through the aperture to direct light into the empty interior of the elongated tubular member; wherein the light source is retained only in the retaining recess; and wherein the plurality of grooves reflect the light transmitted into the empty interior along the length of the elongated tubular member to enhance the brightness of the light radiated outwardly from the exterior surface of the elongated tubular member.