Patent ID: 11912193
Assignee: KOITO MANUFACTURING CO., LTD.
Field: nan (nan)
Classification: CPC nan | IPC B  F

Claim 0:
1. A vehicular illumination device to be disposed on a ceiling portion in a vehicle passenger compartment, the vehicular illumination device comprising:
a left-row light source unit including a plurality of left-row module regions each having three or more light sources arranged side by side in a front-rear direction of the vehicle, the left-row light source unit being disposed on a left side of a center in a width direction of the vehicle;
a right-row light source unit including a plurality of right-row module regions each having three or more light sources arranged in the front-rear direction of the vehicle, the right-row light source unit being disposed on a right side of the center in the width direction of the vehicle; and
a master control unit configured to give instructions for illuminations to the left-row light source unit and the right-row light source unit to provide hospitality to an occupant of the vehicle by controlling the illuminations of the left-row light source unit and the right-row light source unit, wherein
optical paths of the light sources are set to be placed in a state where a light irradiation region of the left-row light source unit and a light irradiation region of the right-row light source unit partially overlap with each other on a floor surface in the vehicle passenger compartment, and
the master control unit executes a hospitality control to turn on the light sources of the left-row light source unit and the right-row light source unit towards the front-rear direction for each of the left-row module regions and the right-row module regions, from a state where all the light sources of the left-row light source unit and the right-row light source unit are in off-state.