Patent ID: 9470376
Filing Date: 2016-10-18
CPC Classification: F21K,F21V,F21Y

Claim Text:
1. A lamp tube, comprising: a tubular body made of a transparent material where two lateral protrusions are correspondingly configured on an inner wall of the tubular body along an axial direction; an elongated metallic base; a lighting module comprising an elongated circuit board, a plurality of light emitting diode (LED) chips configured on the circuit board, and two first connectors, where each first connector is configured at an end of the circuit board, and the circuit board is attached to a bottom side of the base; two end circuit boards, each comprising two conductive pins and a second connector; two positioning elements, each having two first through holes on a circular end surface; and two caps, each having a cylindrical shape with two second through holes on an end surface; wherein the base, along with the attached lighting module, is threaded into the tubular body and supported by the two protrusions; each end circuit board is plugged into a positioning element which in turn is plugged into a cap, and the conductive pins of the end circuit board run through the first and second through holes; and each assembly that includes an end circuit board, a positioning element, and a cap is joined to an end of the tubular body, and each first connector of the lighting module is connected to the second connector of an end circuit board.