Importance

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Abstract

A light-transmittable composite tube includes a plurality of optical fibers and a plastic material. Each of the optical fibers has a light entrance end and a light exit end. Light enters the light entrance end and emits from the light exit end. The plastic material is set around and combined with side surfaces of the optical fibers in a composite form to fix relative positions of the optical fibers to form a tubular structure, serving as a fiber/plastic composite light guide tube. The fiber/plastic composite light guide tube has a light receiving end opening and a light emitting end opening, wherein the light exit ends of the fibers are arranged to distribute in the light emitting end opening and face outward of the light emitting end opening.

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First Claim