Patent ID: 9057805
Filing Date: 2015-06-16
Classification: G02B,H01L

Abstract:
1. A lens comprising: a light incident face; two opposite first lateral faces extending along a first direction; two opposite second lateral faces extending along a second direction, the two opposite first lateral faces being located adjacent to the light incident face, and the two opposite second lateral faces being located away from the light incident face; a light emerging face comprising two convex faces and a concave face between the two convex faces, the two convex faces and the concave face extending along the second direction, and the light emerging face having a light diverging capability along the first direction larger than that along the second direction, the light emerging face comprising two parallel long edges and two parallel short edges, the two long edges extending along the first direction, and the two short edges extending along the second direction; and a bottom face opposite to the light emerging face with the light incident face defined therein; wherein each first lateral face is inclined relative to the bottom face, and each second lateral face is perpendicular to the bottom face.