OPTICAL LENS FOR POINT SOURCE OF LIGHT

摘要

PURPOSE: An optical lens for a point light source is provided to uniformly emit light emitted from the point light source with a preset angle range. CONSTITUTION: A horizontal incidence surface(108) refracts light with a first angle range to the light with a target emission angle range and transmits the refracted light through an external horizontal surface(114) of a dome type lens. An internal reflection unit reflects the incident light to the light with the target emission angle range. A vertical incidence surface(106) inputs the light with a preset third angel range. The external horizontal surface emits the light refracted by the horizontal incidence surface, the light reflected through the internal reflection unit, and the light reflected through the external side.