Patent ID: 8319407

Claim:
An LED lamp with straight tube comprising: a tube body, two lamp covers on two ends of the tube body respectively and a lamp strip inserted in the tube body including a circuit board and a heat radiator; a connecting device comprising: a connecting piece ( 4 ) fixed on the lamp cover having a connecting arm ( 5 ) extending along a length direction of the lamp strip is arranged, a buckle body ( 6 ) being provided on the connecting arm, a buckle seat ( 7 ) matching with the buckle body positioned on a surface of the lamp strip ( 3 ); the circuit board ( 31 ) being adhered with a heat diffuser ( 32 ) as a whole body through an electric insulating heat conducting layer ( 33 ); and the connecting device tightly connecting the lamp strip ( 3 ) with two lamp covers which are on the two ends of the tube body, thereby the lamp covers, tube body, lamp strip and heat diffuser become a one body.