US 10,251,229 B2
Light engine and lighting apparatus with first and second groups of LEDs
Gerald Edward Briggs, Ottawa (CA)
Assigned to ARKALUMEN INC., Ottawa (CA)
Filed by ARKALUMEN INC., Ottawa (CA)
Filed on Mar. 12, 2018, as Appl. No. 15/919,147.
Application 15/919,147 is a continuation of application No. 15/426,049, filed on Feb. 6, 2017, granted, now 9,918,362.
Application 15/426,049 is a continuation of application No. 15/136,599, filed on Apr. 22, 2016, granted, now 9,565,727, issued on Feb. 7, 2017.
Application 15/136,599 is a continuation of application No. 14/606,013, filed on Jan. 26, 2015, granted, now 9,347,631, issued on May 24, 2016.
Application 14/606,013 is a continuation of application No. 13/423,142, filed on Mar. 16, 2012, granted, now 8,939,604, issued on Jan. 27, 2015.
Claims priority of provisional application 61/467,914, filed on Mar. 25, 2011.
Prior Publication US 2018/0279432 A1, Sep. 27, 2018
This patent is subject to a terminal disclaimer.
Int. Cl. H05B 33/08 (2006.01); H05B 37/02 (2006.01); F21S 9/00 (2006.01); H01L 33/48 (2010.01); H01L 25/075 (2006.01); H05K 1/05 (2006.01); F21V 23/00 (2015.01); F21V 23/04 (2006.01); F21S 4/20 (2016.01); F21K 9/60 (2016.01); F21K 99/00 (2016.01); H01L 33/62 (2010.01); F21Y 105/10 (2016.01); F21Y 115/10 (2016.01)
CPC H05B 33/0827 (2013.01) [F21K 9/60 (2016.08); F21K 99/00 (2013.01); F21S 4/20 (2016.01); F21V 23/005 (2013.01); F21V 23/04 (2013.01); H01L 25/0753 (2013.01); H05B 33/0803 (2013.01); H05B 33/0845 (2013.01); H05B 33/0857 (2013.01); H05K 1/05 (2013.01); F21Y 2105/10 (2016.08); F21Y 2115/10 (2016.08); H01L 33/62 (2013.01); H01L 2924/0002 (2013.01); H05K 2201/09309 (2013.01); H05K 2201/09972 (2013.01); H05K 2201/10106 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A light engine comprising:
a printed circuit board; and
a plurality of LED groups on said printed circuit board; wherein a first one of said LED groups is comprised of at least a subset of LEDs having a first colour temperature, and a second one of said LED groups is comprised of at least a subset of LEDs having a second colour temperature different from said first colour temperature; wherein at least one of said LEDs having a first colour temperature from said first LED group and at least one of said LEDs having a second colour temperature from said second LED group are intertwined on said light engine.