To provide a vehicular lighting device which can increase a contact area between a sealant 150 implanted into a groove portion 115 and air, thereby shortening the time required for curing the sealant 150.
The vehicular lighting device 10 in which a lighting device body 110 and a lens member 120 are fixed via the sealant 150 by implanting the sealant 150 into the groove portion 115, which is provided on the lighting device body 110, and by inserting an insertion portion 125, which is provided to the lens member 120, into the groove portion 115, wherein a surface facing the sealant 150 of at least one of the groove portion 115 and the insertion portion 125 is formed with communicating portions 200 for bringing the sealant 150 into contact with air.
OTANI HARUO
SATO MASAKAZU
YAMAZAKI KAZUHIRO
