Patent ID: 8207996
Filing Date: 2012-06-26
Classification: G02B,G03G

Abstract:
1. A light source device comprising: a light source that includes a vertical cavity surface emitting laser; a drive circuit that drives the light source; a circuit board that includes at least one mounting surface on which the light source and the drive circuit are mounted and a ground layer; and a heat sink that is mounted in close contact with the ground layer between the light source and the drive circuit, wherein the light source is mounted on a first area of the mounting surface, the drive circuit is mounted on a second area of the mounting surface, a highest end of the first area is at a same height or lower than a lowest end of the second area with respect to a gravity direction defined along the mounting surface, and a center position of the first area is different from a center position of the second area with respect to a direction defined along the mounting surface and perpendicular to the gravity direction.