Patent ID: 7393122

Claim:
A lamp comprising: a reflection case having upper and lower wall inner faces disposed so as to confront each other at a relatively small interval, right and left side wall inner faces disposed so as to confront each other at a relatively large interval, a back wall inner face, a recess portion formed so as to be surrounded by the above inner faces, and a front opening; a light emitting element provided on said back wall inner face, electrodes of said light emitting element being connected to leads provided to the reflection case; a central portion in the width direction of said lower wall inner face being stepwise lowered to form a lower wall enlarged inner face, said lower wall inner face and said lower wall enlarged inner face being made continuous with each other through right and left perpendicular hanging inner faces, thus a central portion in the width direction of said back wall inner face and a central portion in the width direction of said front opening being downwardly enlarged in a rectangular shape, respectively; said light emitting element being mounted on a front face of a sub mount table having an erected rectangular plate shape, a back face of said sub mount table being fixed to the central portion in the width direction of said back wall inner face; and right and left end faces of said sub mount table being positioned to said right and left perpendicular hanging inner faces when said sub mount table is fixed.