This creation is a perpetual lamp.Including a lamp holder,LED lamp board,LampshadeBridge seat and electrical connection seat；Among them,The lamp holder is a hollow holder body.LED lamp board can be supported above the lamp holder；The LED light panel is provided with a plurality of LED light-emitting elements；The lampshade is made of transparent material.The lampshade is glued to the upper part of the lampholder by sealant；The bridge seat is pivoted at the lower end of the lamp seat and sealed with the lamp seat by sealant.And a spiral part is formed under the bridge seat；The electrical connection seat cover is arranged outside the bridge seat.The electric connecting seat is provided with a screw part.The screw portion corresponds to the screw portion of the bridge seat.And the electric connecting base is sealed with the lamp base by the sealant；In this way,So as to provide a method to improve the illumination brightness.Range,And can improve the waterproof perpetual lamp structure.本創作係為一種植物生長燈，包含有一燈座、LED燈板、燈罩、橋接座與電性連接座；其中，該燈座係為一中空之座體，燈座上方並可承置LED燈板；該LED燈板上設置有複數的LED發光元件；該燈罩係由透明材質所製成之罩體，該燈罩係經密封膠膠黏於燈座上方；該橋接座係樞設於燈座下端並藉由密封膠與燈座膠黏密封，且該橋接座下方並形成螺旋部；該電性連接座係罩覆組設於橋接座外，該電性連接座並設有螺旋部，該螺旋部並與橋接座之螺旋部相對應，且該電性連接座並藉由密封膠與燈座膠黏密封；藉此，俾提供一種可提高照射亮度、範圍，且可提高防水性之植物生長燈構造。
