US 11,655,962 B1
Lens to produce high angle off-axis light with narrow beam width
Qi Hong, Morganville, NJ (US)
Assigned to Dialight Corporation, Farmingdale, NJ (US)
Filed by Dialight Corporation, Farmingdale, NJ (US)
Filed on Mar. 25, 2022, as Appl. No. 17/704,092.
Int. Cl. F21V 7/00 (2006.01); G02B 27/09 (2006.01); G02B 27/30 (2006.01); F21Y 115/10 (2016.01)
CPC F21V 7/0091 (2013.01) [F21V 7/0066 (2013.01); G02B 27/0916 (2013.01); G02B 27/0955 (2013.01); G02B 27/30 (2013.01); F21Y 2115/10 (2016.08)] 12 Claims
OG exemplary drawing
 
1. An apparatus, comprising:
a substrate;
a total internal reflection (TIR) lens formed below the substrate and around a light emitting diode (LED);
a first light redirecting segment formed above the substrate and positioned to a first side of the substrate;
a second light redirecting segment formed towards a center of the substrate, wherein the second light redirecting segment comprises a first portion formed below a bottom surface of the substrate and a second portion formed above a top surface of the substrate; and
a third light redirecting segment formed above the substrate and positioned to a second side of the substrate that is opposite the first side.