| 摘要 |
PROBLEM TO BE SOLVED: To realize a lamp for a vehicle which brings forth good light distribution function without unevenness at lamp lighting and good appearance making its inside hard to look in at lamp light-off. SOLUTION: With the lamp for a vehicle consisting of a reflector 2, a bulb 3 arranged at the center part inside the reflector 2, and a plate-shape lens 1 covering a front opening part of the reflector 2, a complex step part 6 is formed on a lens face 10 of the lens 1 consisting of a first cylindrical convex step 6A and a plurality of second cylindrical convex steps 6B with smaller curvature radius than the first cylindrical convex step 6A formed on the surface of the first cylindrical convex step 6A along an extended direction in contact with each other. |
