Patent ID: 9726344
Date: 2017-08-08
CPC Classifications: F21V,G02B

Claim:
1. A lens comprising: a substrate including a first substrate and a second substrate; a light concentrating portion mounted on the substrate and including a first light concentrating portion extending outwardly from the first substrate and a second light concentrating portion extending outwardly from the second substrate; and wherein the first light concentrating portion has a first axis, the second light concentrating portion has a second axis, and the first axis and the second axis are configured in an angle and intersect in an extending direction thereof; wherein a first groove is defined on the first concentrating portion at the first axis, the first groove is surrounded by a first side wall, a second side wall and a first bottom wall connecting with the first side wall and the second side wall, the first side wall and the second side wall are parallel with the first axis and can reflect light, the first bottom wall has distances away from the substrate and those distances are convexed.