Patent ID: 8414307

Claim:
A connection structure of a printed circuit board, characterized in that: the connection structure of the printed circuit board comprising: a first printed circuit board, one end of which disposes a receiving portion; a second printed circuit board, one end of which disposes a protruding portion; the perimeter of the protruding portion corresponding to that of the receiving portion wherein a physical connection between the first printed circuit board and the second printed circuit board is formed when connecting the first printed circuit board and the second printed circuit board by engaging the protruding portion with the receiving portion; the first printed circuit board also disposing a copper-exposed area connected to a circuit thereof, the second printed circuit board also disposing a conductive spring finger connected to a circuit thereof; wherein an electrical connection between the first printed circuit board and the second printed circuit board is formed when connecting the first printed circuit board and the second printed circuit board, with the conductive spring finger elastically connected to the copper-exposed area; and the number of the protruding portion being two or more, and the number of the receiving portion being the same as that of the protruding portion.