| CPC F21S 41/435 (2018.01) [F21S 41/24 (2018.01); F21S 43/239 (2018.01); F21Y 2115/10 (2016.08)] | 8 Claims |
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1. A vehicle lighting device comprising:
a light source configured to generate light;
a light guide including a pair of light incident surfaces on two end portions in a longitudinal direction facing the light source configured to transmit light as the light enters the light guide through the light incident surface; and
a cap member assembled to the light guide to cover the light incident surface, the cap member fixedly fitted onto and coupled to the two end portions of the light guide on which the light incident surface is included,
wherein the cap member is configured to fill a space between the light incident surface and the light source, the cap member has a fitting groove structure into which at least one end portion of the light guide is inserted, the fitting groove structure has one portion that has an inner surface that is in contact with the light incident surface of the light guide that faces the light source and two portions of the cap member connected to the one portion are in contact with side surfaces of the at least one end portion of the light guide is inserted into the fitting groove structure, the light source is in contact with an outer surface of the one portion of the cap member, the one portion of the cap member has a thickness that is greater than a gap between the light incident surface and the light source,
wherein the pair of light incident surfaces are disposed adjacent to each other to face a same direction and the light guide is configured to have a ring shaped structure.
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