| CPC F21V 5/04 (2013.01) [H01L 25/0753 (2013.01); H01L 33/58 (2013.01); F21Y 2115/10 (2016.08)] | 15 Claims |
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1. A lens, comprising:
a light entering part having a concave shape in a lower region of the lens, and on which light emitted from a light emitting device is to be incident;
a light exiting part through which the incident light is emitted to an outside of the lens;
a plurality of legs coupled to a lower surface of the lens; and
a flange connecting the light exiting part and the lower surface of the lens,
wherein each of the light entering part and the light exiting part has a major axis and a minor axis in plan view, and the major axis of the light entering part is orthogonal to the major axis of the light exiting part,
wherein the light entering part includes a light incident vertical surface extending from the lower surface of the lens, and a light incident inclined surface extending upward from the light incident vertical surface,
wherein the light incident vertical surface surrounds the light emitting device,
wherein a pair of adjacent legs having a greatest length therebetween is arranged along the minor axis of the light exiting part, and
wherein the thickness of the flange is greater at the major axis of the light exiting part than at the minor axis of the light exiting part.
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