| 摘要 |
PROBLEM TO BE SOLVED: To provide a vehicle lamp unit used for a vehicle headlight that can improve design freedom of a prescribed light distribution pattern and also can perceive a projection lens including a plurality of lens parts as a single lens.SOLUTION: A vehicle lamp unit includes a projection lens including a first lens part and a second lens part which is arranged on a second optical axis extending in at least either right or left direction of the first lens part and in the front and rear direction of the vehicle, a first optical unit arranged toward rear of the vehicle of the first lens part, and a second optical unit arranged toward rear of the vehicle of the second lens part. The first optical unit has a first reflection surface structured to form a low-beam light distribution pattern in its irradiation direction and a first shade arranged in the vicinity of a rear-side focal point of the first lens part. The second optical unit is structured to irradiate light for forming a prescribed light distribution pattern. |
