| 摘要 |
A light guide structure using an LED as a light source includes a refracting base, an LED light source module, and an optical fiber tube. The refracting base has a hollow chamber with a wall in a shape without any acute angle, and the LED light source module is fixed onto the refracting base, and the LED light source module includes an LED installed in the hollow chamber. One end of the optical fiber tube is disposed in the hollow chamber, and the other end of the optical fiber tube is extended out of the refracting base. Therefore, the invention can increase the number of reflections of the light inside the hollow chamber and reduce the loss of light occurred during the refraction process to provide a lamp with good illumination.
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