Patent ID: 8891808

Claim:
A micro-speaker, comprising a frame including an inner wall forming a receiving space, an outer wall surrounding the inner wall and a base wall connecting the inner wall and the outer wall; a magnetic circuit unit assembled with the frame and accommodating in the receiving space; a diaphragm supported by the frame, including a top plate and a periphery portion surrounding the top plate, the top plate including a supporting portion extending from the top plate towards the base wall of the frame and disposed at a periphery portion of the top plate; a coil assembly for driving the diaphragm to vibrate; an elastic member disposed within the frame, including an elastic part, a first end connecting to the supporting portion of the diaphragm and a second end connecting to the frame; an FPC disposed between the top plate and the periphery portion for electrically connecting the coil assembly; wherein the top plate further includes a vibrating plate, the supporting portion extends and is bent from one end of the vibrating plate towards the base wall of the frame; and wherein the frame further includes a block protruding from the base wall and disposed between the supporting portion and the inner wall.