US 11,940,144 B2
Curved light-guide optics for LED lighting
Frederic Stephane Diana, Santa Clara, CA (US); Mehdi Aas, Eindhoven (NL); and Charles André Schrama, San Jose, CA (US)
Assigned to Lumileds LLC, San Jose, CA (US)
Filed by Lumileds LLC, San Jose, CA (US)
Filed on May 22, 2023, as Appl. No. 18/200,298.
Application 18/200,298 is a continuation of application No. 17/121,482, filed on Dec. 14, 2020, granted, now 11,754,255.
Claims priority of provisional application 62/951,714, filed on Dec. 20, 2019.
Prior Publication US 2023/0313969 A1, Oct. 5, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. F21V 5/04 (2006.01); F21S 8/08 (2006.01); F21Y 115/10 (2016.01)
CPC F21V 5/045 (2013.01) [F21S 8/086 (2013.01); F21V 2200/20 (2015.01); F21Y 2115/10 (2016.08)] 20 Claims
OG exemplary drawing
 
1. A streetlight luminaire, comprising:
a curved light guide plate including:
a first receiving surface;
an emitting surface;
a major surface opposing the emitting surface;
a second receiving surface on a streetside of the streetlight luminaire;
a third receiving surface on a house side of the streetlight luminaire, the house side opposing the streetside, the first receiving surface extending in a first dimension between the major surface and the emitting surface, the first receiving surface, the emitting surface, and the major surface extending in a second dimension between the second and third receiving surfaces, the first receiving surface, emitting surface, and major surface including a positive, non-zero radius of curvature (R) in the first dimension.