Side surface light emitting device

A side surface light emitting type light emitting device mounted on a surface of a wiring board, said light emitting device comprising:

• a base body part comprising a reflecting case and a terminal holding part formed integrally with the reflecting case in a rear part of the reflecting case;
• and
• a lead member inserted into the base body part, said lead member comprising a connecting part including a base part of the connecting part drawn out from a lower surface of the base body part and bent along the lower surface, and a side bending part provided in the base part of the connecting part and bent along a side surface of the terminal holding part and connected to a pattern of the wiring board,
• wherein the base part of the connecting part is provided with a protruding part protruding toward a center of a lower surface of the terminal holding part, and
• wherein a cut-out part is provided for accommodating the protruding part in the lower surface of the terminal holding part, a hollow area of the cut-out part spacing apart a side surface of the protruding part from a side surface of the terminal holding part.