Patent ID: 7626211

Claim:
An LED device comprising: an LED chip; an LED reflecting plate made of a metal and having a recess where said LED chip is to be mounted; and a printed wiring board on which said LED reflecting plate is to be mounted, wherein said printed wiring board comprises: a first through hole in which the recess of said LED reflecting plate is to be fitted, said first through hole being formed as a circular cylindrical hole which is substantially straight and vertical to said printed wiring board: a plating film formed so as to cover continuously the entire surfaces of upper and bottom peripheral edges and a circumferential wall of said first through hole, wherein the plating film is separate from the LED reflecting plate; and a terminal portion formed on a surface of said printed wiring board to be electrically connected to said LED chip, and wherein said LED reflecting plate further comprises: a flat LED chip mounting portion which forms a bottom of the recess, and a reflecting portion which forms a side wall of the recess and is inclined with respect to said LED chip mounting portion; and a flange, formed on and along the entire circumference of an upper peripheral edge of the recess, to be bonded onto said plating film at a position thereof along and corresponding to the upper peripheral edge of said first through hole of said printed wiring board.