US 10,890,310 B2
Freezing preventive LED lamp
Dong Sun Kim, Goyang-si (KR)
Assigned to CRESLITE INC, Goyang-si (KR)
Filed by CRESLITE Inc, Goyang-si (KR)
Filed on Oct. 10, 2018, as Appl. No. 16/156,678.
Claims priority of application No. 10-2018-0095865 (KR), filed on Aug. 17, 2018.
Prior Publication US 2020/0056756 A1, Feb. 20, 2020
Int. Cl. F21S 45/60 (2018.01); H05B 1/02 (2006.01); F21S 41/25 (2018.01); F21S 41/30 (2018.01); F21S 41/141 (2018.01); H05B 45/00 (2020.01)
CPC F21S 45/60 (2018.01) [F21S 41/141 (2018.01); F21S 41/25 (2018.01); F21S 41/30 (2018.01); H05B 1/0288 (2013.01); H05B 45/00 (2020.01)] 8 Claims
OG exemplary drawing
 
1. An LED lamp for prevention of freezing, comprising:
a housing (110) opened at a front side thereof;
an LED unit (120) disposed inside the housing (110);
a lens (130) mounted at the opened front side of the housing (110) and configured to allow lighting light emitted from the LED unit (120) to transmit therethrough;
a heating member (140) disposed at the rear side of the lens and configured to generate heat by being supplied with power;
a sensor unit (150) disposed at the inside of the housing (110) and configured to sense the internal temperature of the housing (110); and
a control unit (200) configured to control the power supplied to the heating member (140) depending on the internal temperature of the housing (110), sensed by the sensor unit (150).