| 摘要 |
PROBLEM TO BE SOLVED: To provide a vehicular signal lamp device that has a light-emitting surface making plane emission excellent in uniformity and in which minute light-emitting points are scattered in the light-emitting surface.SOLUTION: A vehicular signal lamp device 1 includes a lamp housing 2, a lens cover 3, a light source unit 5, and a lens unit 6 that is provided between the light source unit 5 and the lens cover. The lens unit 6 is made of two inner lenses 61 and 62 comprising a cylindrical prism array 8 orthogonal to both surfaces. The cylindrical prism array 8 is made of a polyhedral prism lens element. |
