US 11,940,135 B2
LED lighting methods and apparatus
Basar Erdener, Locust Valley, NY (US); and Voravit Puvanakijjakorn, Port Washington, NY (US)
Assigned to Wangs Alliance Corporation, Port Washington, NY (US)
Filed by Wangs Alliance Corporation, Port Washington, NY (US)
Filed on Sep. 1, 2022, as Appl. No. 17/901,120.
Application 17/901,120 is a continuation of application No. 17/189,543, filed on Mar. 2, 2021, granted, now 11,460,177.
Application 17/189,543 is a continuation of application No. 15/001,229, filed on Jan. 19, 2016, granted, now 10,962,209, issued on Mar. 30, 2021.
Claims priority of provisional application 62/280,114, filed on Jan. 18, 2016.
Claims priority of provisional application 62/270,517, filed on Dec. 21, 2015.
Claims priority of provisional application 62/269,751, filed on Dec. 18, 2015.
Claims priority of provisional application 62/267,899, filed on Dec. 15, 2015.
Prior Publication US 2023/0235876 A1, Jul. 27, 2023
Int. Cl. F21S 8/08 (2006.01); F21V 7/00 (2006.01); F21V 9/00 (2018.01); F21V 14/06 (2006.01); F21V 17/10 (2006.01); F21V 17/12 (2006.01); F21V 17/16 (2006.01); F21V 19/00 (2006.01); F21V 19/02 (2006.01); F21V 21/26 (2006.01); F21V 21/30 (2006.01); F21V 23/00 (2015.01); F21V 29/70 (2015.01); F21V 31/00 (2006.01); F21V 31/03 (2006.01); H05B 45/10 (2020.01); H05B 45/14 (2020.01); H05B 45/37 (2020.01); H05B 45/3725 (2020.01); H05B 45/38 (2020.01); H05B 45/50 (2022.01); F21W 131/10 (2006.01); F21Y 101/00 (2016.01); F21Y 115/10 (2016.01)
CPC F21V 21/26 (2013.01) [F21S 8/081 (2013.01); F21V 7/00 (2013.01); F21V 9/00 (2013.01); F21V 14/06 (2013.01); F21V 17/101 (2013.01); F21V 17/12 (2013.01); F21V 17/168 (2013.01); F21V 19/0015 (2013.01); F21V 19/02 (2013.01); F21V 21/30 (2013.01); F21V 23/007 (2013.01); F21V 29/70 (2015.01); F21V 31/005 (2013.01); F21V 31/03 (2013.01); H05B 45/10 (2020.01); H05B 45/14 (2020.01); H05B 45/37 (2020.01); H05B 45/3725 (2020.01); H05B 45/38 (2020.01); H05B 45/50 (2020.01); F21W 2131/10 (2013.01); F21Y 2101/00 (2013.01); F21Y 2115/10 (2016.08); Y02B 20/30 (2013.01)] 17 Claims
OG exemplary drawing
 
1. Apparatus comprising:
an LED light source in a fixture main body;
an LED driver in the fixture main body;
a user control, on-board the fixture main body, configured to cause the LED light source to emit a beam of light at:
a first intensity; and
a second intensity that is different from the first intensity;
an external housing, from which the fixture main body is removable.