US 12,353,005 B2
Waveguide-based light sources with dynamic beam shaping
Eric J. Tarsa, Goleta, CA (US); Jean-Claude David Ramey DeSugny, Santa Barbara, CA (US); David Stone, Santa Barbara, CA (US); Benjamin A. Jacobson, Santa Barbara, CA (US); Shawn Patrick Keeney, Chapel Hill, NC (US); Claudio Girotto, Santa Barbara, CA (US); Theodore Lowes, Lompoc, CA (US); Chandan Bhat, Goleta, CA (US); and Mark Youmans, Goleta, CA (US)
Assigned to CREE LIGHTING USA LLC, Racine, WI (US)
Filed by CREE LIGHTING USA LLC, Racine, WI (US)
Filed on Aug. 1, 2023, as Appl. No. 18/363,224.
Application 18/363,224 is a continuation of application No. 17/481,727, filed on Sep. 22, 2021, granted, now 11,719,882.
Application 17/481,727 is a continuation in part of application No. 17/100,261, filed on Nov. 20, 2020, granted, now 11,372,156, issued on Jun. 28, 2022.
Application 17/481,727 is a continuation in part of application No. 15/186,222, filed on Jun. 17, 2016, granted, now 11,156,764, issued on Oct. 26, 2021.
Application 17/100,261 is a continuation of application No. 16/703,125, filed on Dec. 4, 2019, granted, now 10,890,714, issued on Jan. 12, 2021.
Application 16/703,125 is a continuation of application No. 15/587,442, filed on May 5, 2017, granted, now 10,527,785, issued on Jan. 7, 2020.
Claims priority of provisional application 62/333,000, filed on May 6, 2016.
Prior Publication US 2024/0027682 A1, Jan. 25, 2024
Int. Cl. G02B 6/12 (2006.01); F21S 6/00 (2006.01); F21V 8/00 (2006.01); F21V 23/04 (2006.01); F21Y 103/33 (2016.01); F21Y 105/16 (2016.01); F21Y 105/18 (2016.01); F21Y 115/10 (2016.01); G02B 6/122 (2006.01)
CPC G02B 6/12004 (2013.01) [F21S 6/005 (2013.01); F21V 23/0435 (2013.01); F21V 23/0464 (2013.01); F21V 23/0471 (2013.01); F21V 23/0485 (2013.01); G02B 6/0045 (2013.01); G02B 6/0063 (2013.01); G02B 6/0076 (2013.01); G02B 6/0088 (2013.01); G02B 6/122 (2013.01); F21Y 2103/33 (2016.08); F21Y 2105/16 (2016.08); F21Y 2105/18 (2016.08); F21Y 2115/10 (2016.08); G02B 6/0068 (2013.01); G02B 6/0073 (2013.01); G02B 6/0078 (2013.01); G02B 2006/12083 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A luminaire comprising:
a waveguide assembly including a waveguide body and light extraction elements bonded to an exterior face of the waveguide body, wherein at least one reinforcement member comprises a frame contacting surfaces of the waveguide body at one or more locations along a light emitting side of the waveguide body to reduce deflection of the waveguide assembly under an applied flexural load; and
a plurality of light sources arranged along an edge of the waveguide body at different angular positions relative to the waveguide body such that light emitted from each of the plurality of light sources provides a distribution pattern with an elongated lobe-shaped beam in a distinct azimuthal direction from the surface of the waveguide body.