Patent ID: 9690060
Date: 2017-06-27
CPC Classifications: G02B

Claim:
1. An optical coupling lens comprising: a main section comprising a first surface and a second surface opposite to the first surface, a first groove being recessed from the first surface to the second surface; the first groove comprising a third surface; a second groove being recessed from the second surface to the first surface, the second groove comprising a fourth surface; a beam splitting section comprising a first total reflecting surface and a second total reflecting surface opposite to the first total reflecting surface, a dihedral-angle defined between the first total reflecting surface and the second total reflecting surface; at least one first lens formed on the third surface and comprising a beam splitter, the beam splitter comprising a first light emitting surface connected to the first total reflecting surface; at least one second lens formed on the fourth surface and comprising a light incident surface, the at least one second lens being collinear with the at least one first lens one to one; and at least one third lens formed on the fourth surface and comprising a third light emitting surface, the at least one third lens being collinear with the second total reflecting surface.