fig2 it shows a schematic view of parts of the present invention according to fig1 the led module 103 and the drive circuit control module 104 are assembled in the tube body 101 as shown in fig2 the led module 103 is provided with a circuit board 1031 which is used primarily to carry plural leds 1032 not shown in the drawing the circuit board 1031 is deployed with plural sets of circuits such as an ac alternating current circuit and a dc direct current circuit in addition depending on requirements the circuits can include a serial or a parallel type on the other hand the circuit board 1031 is assembled with a first electric overlapping portion 10311 and a second electric overlapping portion 10312 wherein the first electric overlapping portion 10311 allows the circuit board 1031 to be electrically connected with the electric plug set 102 and the second electric overlapping portion 10312 allows the circuit board 1031 to be electrically connected with another electric plug set 102 u2032 as shown in the drawing again an end of the drive circuit control module 104 is also formed with an electric overlapping portion 1041 which allows the drive circuit control module 104 to be electrically overlapped with the led module 103 furthermore this drive circuit control module 104 is also a circuit board which after a proper circuit design is used to control a conducting condition of an electric current of the led module 103 such as converting an ac current into a dc current upon assembling the led module 103 and the drive circuit control module 104 which have been pre formed as one unit are inserted into the tube body.