US 11,766,492 B2
Lighting device
Jae Young Choi, Ansan-si (KR); Kyu Won Han, Ansan-si (KR); Seong Tae Jang, Ansan-si (KR); Sang Wook Jung, Ansan-si (KR); and Woong Ki Jeong, Ansan-si (KR)
Assigned to Seoul Viosys Co., Ltd., Ansan-si (KR)
Filed by Seoul Viosys Co., Ltd., Ansan-si (KR)
Filed on Aug. 5, 2022, as Appl. No. 17/881,630.
Application 17/881,630 is a continuation of application No. 16/633,449, granted, now 11,471,546, previously published as PCT/KR2018/008222, filed on Jul. 20, 2018.
Claims priority of application No. 10-2017-0095693 (KR), filed on Jul. 27, 2017.
Prior Publication US 2022/0370661 A1, Nov. 24, 2022
Int. Cl. A61L 2/10 (2006.01); F21V 1/20 (2006.01); F21V 1/22 (2006.01); F21V 14/02 (2006.01); F21V 15/01 (2006.01); F21V 23/04 (2006.01); F21V 33/00 (2006.01); F21Y 115/10 (2016.01)
CPC A61L 2/10 (2013.01) [F21V 1/20 (2013.01); F21V 1/22 (2013.01); F21V 14/02 (2013.01); F21V 15/01 (2013.01); F21V 23/0464 (2013.01); F21V 23/0471 (2013.01); F21V 33/0012 (2013.01); F21Y 2115/10 (2016.08)] 20 Claims
OG exemplary drawing
 
1. A lighting device comprising:
a plurality of first light sources configured to emit a visible light through a first light emitting surface;
at least one second light source spaced apart from the first light source and configured to emit light having a wavelength for sterilization through a second light emitting surface; and
a housing having a bottom portion, on which the first and second light sources are disposed, and at least one sidewall portion connected to the bottom portion to enclose the first light source and the second light source in one common area,
wherein the first and second light emitting surfaces face substantially the same direction,
wherein the first light emitting surface and the second light emitting surface are disposed at a different elevation from the bottom portion of the housing, and
wherein an interval between the second light source and one of the first light sources adjacent to each other is greater than an interval between adjacent first light sources along a longitudinal direction of the housing.