US 12,305,822 B2
Light source unit for vehicle lamp, vehicle lamp
Kenji Matsuoka, Isehara (JP)
Assigned to Ichikoh Industries, Ltd., Isehara (JP)
Appl. No. 18/003,862
Filed by Ichikoh Industries, Ltd., Isehara (JP)
PCT Filed Jun. 22, 2021, PCT No. PCT/JP2021/023496
§ 371(c)(1), (2) Date Dec. 29, 2022,
PCT Pub. No. WO2022/004472, PCT Pub. Date Jan. 6, 2022.
Claims priority of application No. 2020-113111 (JP), filed on Jun. 30, 2020; and application No. 2021-048801 (JP), filed on Mar. 23, 2021.
Prior Publication US 2023/0258308 A1, Aug. 17, 2023
Int. Cl. F21S 41/19 (2018.01); F21S 41/143 (2018.01); F21S 43/20 (2018.01)
CPC F21S 41/19 (2018.01) [F21S 41/143 (2018.01); F21S 43/26 (2018.01)] 18 Claims
OG exemplary drawing
 
1. A light source unit for a vehicle lamp, the light source unit comprising:
a mounting member mounted on the vehicle lamp;
a substrate mounted on the mounting member;
a semiconductor light-emitting element electrically connected to the substrate;
a power supply member mounted on the mounting member and the substrate and being electrically connected to the semiconductor light-emitting element, the power supply member including at least an electric circuit to drop a voltage, wherein one end of the power supply member is electrically connected to the semiconductor light-emitting element through the electric circuit;
a connector that is arranged to be connected to another end of the power supply member, the another end being opposite to the one end; and
a control circuit that performs control to supply a constant current to the another end of the power supply member, in accordance with a predetermined operating voltage;
wherein the mounting member, the substrate, the semiconductor light-emitting element, and the power supply member are configured as a socket which is an integral structure, the socket including the connector, and
the control circuit is configured separately from the socket and connects to the connector.