CPC F21S 41/275 (2018.01) [F21S 41/265 (2018.01); F21S 41/40 (2018.01)] | 10 Claims |
1. A lamp for a vehicle, comprising:
a light emitting part configured to irradiate light in a first direction;
a pattern forming part configured to allow a portion of the light to pass through the pattern forming part and to shield a remaining portion of the light to form a predetermined pattern; and
a refraction part configured to refract the portion of the light passing through the pattern forming part,
wherein the refraction part includes:
a surface including a plurality of facets having a stepped configuration extending in a second direction that crosses the first direction,
wherein:
the plurality of facets include:
a plurality of first facet parts arranged in rows that extend substantially in the second direction; and
a plurality of second facet parts arranged in rows that extend substantially in the second direction,
the rows of first facet parts and the rows of second facet parts are arranged in an alternating manner along a third direction perpendicular to the first and second directions. and
the second facet parts protrude farther in the first direction than the first facet parts to which they are adjacent in the third direction.
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