Patent ID: 9557026
Date: 2017-01-31
CPC Classifications: F21S

Claim:
1. A vehicular lighting instrument semiconductor light source light source unit, comprising: a light source portion; and a socket portion to which the light source portion is mounted, wherein the light source portion having a light emitting chip of a semiconductor light source, the socket portion is comprised of: a thermo conductive resin member to radiate to an outside of the light source portion a heat which is generated at the light source portion; an electric power feeding member electrically connected to the light source portion, feeding electric power to the light source portion; and an insulation member to sheath at least a part of the electric power feeding member, and incorporate the thermo conductive resin member and the electric power feeding member in a state in which the members are insulated from each other, wherein the thermo conductive resin member forms a radially exterior portion of the socket portion.