Patent ID: 9170384
Filing Date: 2015-10-27
Classification: G02B

Abstract:
1. An optical coupling lens comprising: a main body comprising a front surface, a back surface opposite to the front surface, a first optical surface recessed from the front surface to the back surface, a second optical surface perpendicular to the first optical surface, a reflecting surface obliquely facing the first optical surface and the second optical surface, first converging lenses formed on the first optical surface, and second converging lenses formed on the second optical surface; and two plugs extending from the front surface, the first converging portions located between the two plugs and corresponding to the second converging portions, each of the plugs comprising a cylindrical body portion, a bowl-shaped protruding portion, and a buffering portion, the body portion comprising a flat end surface, the protruding portion extending from the flat end surface and comprising a top surface away from the end surface, the diameter of the protruding portion decreasing from the end surface to the top surface, and the buffering portion formed in the top surface, wherein the buffering portion is substantially a cylindrical hole defined in a central portion of the top surface.