Disclosed is a device for transporting light, comprising at least two light pipes and at least one connection part, the at least two light pipes and the at least one connection part are molded with same material as a single component, each connection part includes two constitution parts for connecting to two adjacent light pipes, each constitution part has a larger polygonal base, a smaller polygonal base and at least three surfaces connecting the larger polygonal base to the smaller polygonal base, two larger polygonal bases of the two constitution parts connect to the two adjacent light pipes and two smaller polygonal bases of the two constitution bases connect to each other, wherein for each constitution part, at least one surface, whose inner faces incident direction of light within its connecting light pipe, inclines towards the larger polygonal base.