US 12,377,773 B2
Lighting control apparatus
Yuichi Nakazawa, Shizuoka (JP); and Ryosuke Utsumi, Shizuoka (JP)
Assigned to KOITO MANUFACTURING CO., LTD., Tokyo (JP)
Appl. No. 18/288,964
Filed by KOITO MANUFACTURING CO., LTD., Tokyo (JP)
PCT Filed Apr. 11, 2022, PCT No. PCT/JP2022/017476
§ 371(c)(1), (2) Date Oct. 30, 2023,
PCT Pub. No. WO2022/230645, PCT Pub. Date Nov. 3, 2022.
Claims priority of application No. 2021-077428 (JP), filed on Apr. 30, 2021; and application No. 2021-077429 (JP), filed on Apr. 30, 2021.
Prior Publication US 2024/0198893 A1, Jun. 20, 2024
Int. Cl. B60Q 1/14 (2006.01); H05B 45/3725 (2020.01); H05B 45/375 (2020.01); H05B 45/38 (2020.01); H05B 45/48 (2020.01)
CPC B60Q 1/1453 (2013.01) [H05B 45/3725 (2020.01); H05B 45/375 (2020.01); H05B 45/38 (2020.01); H05B 45/48 (2020.01)] 14 Claims
OG exemplary drawing
 
1. A lighting control apparatus configured to be applied to a vehicle lamp, the lighting control apparatus comprising:
a first switching converter which includes:
a switching element,
a coil, and
a first output capacitor, wherein the first output capacitor is configured to generate a first drive voltage corresponding to a first light source of the vehicle lamp based on a power source voltage;
a substrate on which the first switching converter is provided;
a first cover which is formed of a conductive material and covers at least a part of components of the first switching converter in one surface of the substrate; and
an input connector and an output connector that are mounted to the substrate;
wherein the substrate includes a first conduction part and a second conduction part which are in conductive contact with the first cover;
wherein the first switching converter is provided between the first conduction part and the second conduction part;
wherein the input connector is provided in a vicinity of the first conduction part; and
wherein the first output capacitor and the output connector are provided in a vicinity of the second conduction part.