Patent ID: 9255689
Filing Date: 2016-02-09
CPC Classification: F21V,F21Y

Claim Text:
1. An optical lens for adjusting light emitted from a light source, comprising: a light incident face facing the light source; a light emitting face opposite to the light incident face; a connecting face connecting the light incident face and the light emitting face; and a plurality of first protrusions protruding outwardly from the light emitting face, a top end of the first protrusions being lower than a top end of the light incident face; wherein the connecting face is planar, and the light emitting face comprises a lateral face extending upwardly from an outer periphery of the connecting face and a top face located above the light incident face, the top face comprising a planar center facet and a curved facet, the curved facet surrounding and extending outwardly from the center facet; and wherein the first protrusions are formed on the lateral face and located adjacent to the connecting face.