REFLECTIVE LIGHT GUIDE BARREL, LED LIGHT SOURCE AND OPTICAL SYSTEM
The present invention discloses a reflective light guide tube and a LED light source and an optical system, the reflective light guide comprising a cylinder enclosed by more than three reflecting plates which connected with each other in turn, the reflecting plate comprising a plate body and a refle...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | The present invention discloses a reflective light guide tube and a LED light source and an optical system, the reflective light guide comprising a cylinder enclosed by more than three reflecting plates which connected with each other in turn, the reflecting plate comprising a plate body and a reflecting layer arranged on the plate body, along the exit direction of light, the cylinder comprising a light inlet part, a light reflecting part and a light outlet part in turn, wherein the light outlet part larger than the light inlet part such that the cylinder being cone shaped. The LED light source with a reflective light guide tube comprising a LED light source and a reflective light guide tube. The optical system comprising a reflective light guide tube, a LED light source and an optical assembly. The structure makes the manufacture of the reflective light guide tube easier, and reduces the cost. |
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