US 11,988,358 B2
Light fixture including a housing for a ballast
Dengke Cai, Camas, WA (US)
Assigned to HGCI, Inc., Las Vegas, NV (US)
Filed by HGCI, Inc., Las Vegas, NV (US)
Filed on Aug. 6, 2021, as Appl. No. 17/396,210.
Claims priority of provisional application 63/065,485, filed on Aug. 13, 2020.
Claims priority of provisional application 63/064,890, filed on Aug. 12, 2020.
Prior Publication US 2022/0049825 A1, Feb. 17, 2022
Int. Cl. F21S 8/00 (2006.01); F21V 7/00 (2006.01); F21V 23/02 (2006.01); F21V 29/74 (2015.01); F21Y 115/10 (2016.01)
CPC F21S 8/036 (2013.01) [F21V 7/0016 (2013.01); F21V 23/026 (2013.01); F21V 29/74 (2015.01); F21Y 2115/10 (2016.08)] 22 Claims
OG exemplary drawing
 
1. A light fixture comprising:
a light module configured to generate light for delivery to an underlying plant; and
a power module coupled with the light module and configured to facilitate powering of the light module;
a heat sink associated with at least one of the light module and the power module, the heat sink comprising:
a wall;
a plurality of first fins that extend from the wall; and
a plurality of second fins that extend from the wall; and
a power module disposed at least partially within the housing and thermally coupled with the wall such that the plurality of first fins and the plurality of second fins cooperate to facilitate cooling of the power module, wherein:
each first fin of the plurality of first fins has a first height;
each second fin of the plurality of second fins has a second height;
the second height is less than the first height;
each first fin of the plurality of first fins is interposed between a pair of the second fins such that each first fin is immediately adjacent to the pair of the second fins; and
each second fin of the plurality of second fins is interposed between a pair of the first fins such that each second fin is immediately adjacent to the pair of the first fins.