US 11,739,899 B2
Lighting device
Kwang Ho Park, Seoul (KR); Chui Hong Kim, Seoul (KR); Hyun Duck Yang, Seoul (KR); Moo Ryong Park, Seoul (KR); and Jun Chul Hyun, Seoul (KR)
Assigned to LG INNOTEK CO., LTD., Seoul (KR)
Filed by LG INNOTEK CO., LTD., Seoul (KR)
Filed on Jan. 6, 2022, as Appl. No. 17/647,302.
Application 17/647,302 is a continuation of application No. 16/819,656, filed on Mar. 16, 2020, granted, now 11,248,764.
Application 16/819,656 is a continuation of application No. 15/900,358, filed on Feb. 20, 2018, granted, now 10,627,064, issued on Apr. 21, 2020.
Application 15/900,358 is a continuation of application No. 15/495,433, filed on Apr. 24, 2017, granted, now 9,933,126, issued on Apr. 3, 2018.
Application 15/495,433 is a continuation of application No. 14/742,207, filed on Jun. 17, 2015, granted, now 9,664,844, issued on May 30, 2017.
Application 14/742,207 is a continuation of application No. 13/920,844, filed on Jun. 18, 2013, granted, now 9,086,209, issued on Jul. 21, 2015.
Claims priority of application No. 10-2012-0065259 (KR), filed on Jun. 18, 2012; application No. 10-2012-0065260 (KR), filed on Jun. 18, 2012; and application No. 10-2012-0065264 (KR), filed on Jun. 18, 2012.
Prior Publication US 2022/0128207 A1, Apr. 28, 2022
Int. Cl. F21S 41/20 (2018.01); H01L 33/48 (2010.01); H01L 25/075 (2006.01); F21S 43/15 (2018.01); F21S 43/14 (2018.01); F21S 43/19 (2018.01); F21V 3/02 (2006.01); F21V 3/04 (2018.01); F21V 15/01 (2006.01); F21V 13/08 (2006.01); F21V 13/02 (2006.01); F21V 8/00 (2006.01); H01L 33/62 (2010.01); F21V 29/503 (2015.01); F21V 29/70 (2015.01); F21S 41/30 (2018.01); F21S 43/20 (2018.01); F21S 43/30 (2018.01); F21S 41/19 (2018.01); B60Q 1/00 (2006.01); H01L 33/56 (2010.01); H01L 33/58 (2010.01); H01L 33/60 (2010.01); F21S 41/663 (2018.01); F21S 41/32 (2018.01); F21Y 105/10 (2016.01); F21Y 115/10 (2016.01); F21V 31/04 (2006.01); B60Q 1/04 (2006.01); B60Q 1/26 (2006.01); B60Q 1/30 (2006.01)
CPC F21S 41/20 (2018.01) [B60Q 1/0011 (2013.01); F21S 41/192 (2018.01); F21S 41/30 (2018.01); F21S 41/32 (2018.01); F21S 41/663 (2018.01); F21S 43/14 (2018.01); F21S 43/15 (2018.01); F21S 43/195 (2018.01); F21S 43/20 (2018.01); F21S 43/30 (2018.01); F21V 3/02 (2013.01); F21V 3/04 (2013.01); F21V 13/02 (2013.01); F21V 13/08 (2013.01); F21V 15/012 (2013.01); F21V 29/503 (2015.01); F21V 29/70 (2015.01); G02B 6/0031 (2013.01); G02B 6/0051 (2013.01); G02B 6/0055 (2013.01); G02B 6/0083 (2013.01); G02B 6/0085 (2013.01); G02B 6/0088 (2013.01); G02B 6/0095 (2013.01); H01L 25/0753 (2013.01); H01L 33/48 (2013.01); H01L 33/56 (2013.01); H01L 33/58 (2013.01); H01L 33/60 (2013.01); H01L 33/62 (2013.01); B60Q 1/04 (2013.01); B60Q 1/2696 (2013.01); B60Q 1/30 (2013.01); F21V 31/04 (2013.01); F21Y 2105/10 (2016.08); F21Y 2115/10 (2016.08); H01L 2224/48091 (2013.01); H01L 2224/48247 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A lighting device comprising:
a board;
a plurality of light sources disposed on the board;
a reflection unit disposed on the board;
a resin layer disposed on the board so that the plurality of light sources is embedded therein; and
a reflector disposed on a side surface of the resin layer,
wherein the reflection unit comprises a first reflection sheet disposed on the board, a second reflection sheet disposed on the first reflection sheet, and a plurality of first spacing parts disposed between the first reflection sheet and the second reflection sheet,
wherein the first reflection sheet is made of a reflection material and the second reflection sheet is made of a transparent material, and
wherein a cross sectional shape of at least one of the first spacing parts comprises a polygonal shape.