US 9,812,623 B2
Light emitting device, and light emitting device package
Dae Hee Lee, Seoul (KR)
Assigned to LG INNOTEK CO., LTD., Seoul (KR)
Filed by LG INNOTEK CO., LTD., Seoul (KR)
Filed on Apr. 9, 2014, as Appl. No. 14/249,048.
Claims priority of application No. 10-2013-0039860 (KR), filed on Apr. 11, 2013.
Prior Publication US 2014/0306247 A1, Oct. 16, 2014
Int. Cl. H01L 33/62 (2010.01); H01L 27/15 (2006.01); H01L 33/60 (2010.01); H01L 33/38 (2010.01); H01L 33/40 (2010.01); H01L 33/20 (2010.01); H01L 33/22 (2010.01)
CPC H01L 33/62 (2013.01) [H01L 27/15 (2013.01); H01L 33/387 (2013.01); H01L 33/60 (2013.01); H01L 33/20 (2013.01); H01L 33/22 (2013.01); H01L 33/382 (2013.01); H01L 33/405 (2013.01); H01L 2224/48091 (2013.01); H01L 2224/48247 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A light emitting device comprising:
a first light emitting structure including a first conductive type first semiconductor layer, a second conductive type second semiconductor layer under the first conductive type first semiconductor layer, and a first active layer provided between the first conductive type first semiconductor layer and the second conductive type second semiconductor layer;
a second light emitting structure including a first conductive type third semiconductor layer, a second conductive type fourth semiconductor layer under the first conductive type third semiconductor layer and a second active layer provided between the first conductive type third semiconductor layer and the second conductive type fourth semiconductor layer;
a first electrode electrically connected to the second conductive type second semiconductor layer;
a second electrode electrically connected to the second conductive type fourth semiconductor layer;
a third electrode electrically connected to the first conductive type first semiconductor layer and the first conductive type third semiconductor layer; wherein the third electrode includes a conductive support member;
a first contact part at a lower region of the first conductive type first semiconductor layer and electrically connected to the first conductive type first semiconductor layer and the third electrode;
a second contact part at a lower region of the first conductive type third semiconductor layer and electrically connected to the first conductive type third semiconductor layer and the third electrode;
a first pad electrically connected to the first electrode;
a second pad electrically connected to the second electrode;
a connection wire provided between the first light emitting structure and the conductive support member;
a first recess provided in the lower region of the first conductive type first semiconductor layer passing through the second conductive type second semiconductor layer and the first active layer;
a second recess provided in the lower region of the first conductive type third semiconductor layer passing through the second conductive type fourth semiconductor layer and the second active layer;
a first insulating layer provided between the first light emitting structure and a first region of the conductive support member and between the second light emitting structure and a second region of the conductive support member;
a second insulating layer provided between the first insulating layer and the conductive support member; and
a third insulating layer provided at a peripheral portion of a bottom surface of the first light emitting structure and a peripheral portion of a bottom surface of the second light emitting structure,
wherein the connection wire is connected to the second pad and the second electrode,
wherein the connection wire vertically overlaps the first light emitting structure and the second light emitting structure,
wherein the connection wire is provided between the first insulating layer and the second insulating layer, and
wherein an area of a top surface of the first electrode overlapped vertically with the first light emitting structure is smaller than an area of a top surface of the second electrode overlapped vertically with the second light emitting structure.