US 9,812,531 B2
Light emitting device having vertical structure and package thereof
Jun Ho Jang, Anyang-si (KR); and Geun Ho Kim, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR); and LG INNOTEK CO., LTD., Seoul (KR)
Filed by LG Electronics Inc., Seoul (KR); and LG Innotek Co., Ltd., Seoul (KR)
Filed on May 18, 2017, as Appl. No. 15/598,820.
Application 15/598,820 is a continuation of application No. 15/059,881, filed on Mar. 3, 2016, granted, now 9,679,973.
Application 15/059,881 is a continuation of application No. 14/248,179, filed on Apr. 8, 2014, granted, now 9,312,459, issued on Apr. 12, 2016.
Application 14/248,179 is a continuation of application No. 14/018,297, filed on Sep. 4, 2013, granted, now 8,729,595, issued on May 20, 2014.
Application 14/018,297 is a continuation of application No. 13/080,764, filed on Apr. 6, 2011, granted, now 8,546,837, issued on Oct. 1, 2013.
Application 13/080,764 is a continuation of application No. 11/701,535, filed on Feb. 2, 2007, granted, now 7,928,462, issued on Apr. 19, 2011.
Claims priority of application No. 10-2006-0015039 (KR), filed on Feb. 16, 2006; and application No. 10-2006-0015040 (KR), filed on Feb. 16, 2006.
Prior Publication US 2017/0256617 A1, Sep. 7, 2017
Int. Cl. H01L 29/16 (2006.01); H01L 33/20 (2010.01); H01L 29/167 (2006.01); H01L 25/16 (2006.01); H01L 33/62 (2010.01); H01L 33/00 (2010.01); H01L 33/58 (2010.01); H01L 29/866 (2006.01); H01L 33/32 (2010.01); H01L 33/48 (2010.01); H01L 33/40 (2010.01); H01L 33/60 (2010.01); H01L 33/44 (2010.01); H01L 33/38 (2010.01)
CPC H01L 29/167 (2013.01) [H01L 25/167 (2013.01); H01L 29/866 (2013.01); H01L 33/0079 (2013.01); H01L 33/20 (2013.01); H01L 33/32 (2013.01); H01L 33/38 (2013.01); H01L 33/405 (2013.01); H01L 33/44 (2013.01); H01L 33/486 (2013.01); H01L 33/58 (2013.01); H01L 33/60 (2013.01); H01L 33/62 (2013.01); H01L 33/0095 (2013.01); H01L 2224/48227 (2013.01); H01L 2224/73265 (2013.01); H01L 2924/10253 (2013.01); H01L 2933/0033 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A light emitting device package comprising:
a sub-mount having a first surface, a second surface and a bottom surface;
a first layer on the first surface of the sub-mount;
a second layer on the second surface of the sub-mount;
at least one third layer on the bottom surface of the sub-mount;
a light emitting device on the first layer, the light emitting device comprising a supporting layer including an anti-diffusion layer, a first electrode on the supporting layer, a semiconductor light emitting structure electrically connected to the first electrode, and a second electrode electrically connected to the semiconductor light emitting structure, wherein the first electrode is electrically connected to the first layer and the second electrode is electrically connected to the second layer, wherein the semiconductor light emitting structure comprises a light extraction structure;
an ESD property improving diode on the second surface such that the ESD property improving diode is electrically connected to the second layer, wherein the ESD property improving diode is arranged a distance apart from the light emitting device, and
a lens on the sub-mount, wherein the lens is disposed on the light emitting device,
wherein the first layer and the second layer include metal,
wherein a height of the first surface is different from a height of the second surface,
wherein a thickness of the light emitting device is thicker than a thickness of the ESD property improving diode,
wherein at least one of the first layer and the second layer directly contacts the sub-mount,
wherein the sub-mount has a cavity, the cavity having a bottom portion and an inclined portion,
wherein the first layer is disposed on the bottom portion,
wherein the at least one third layer is vertically overlapped with the first surface and the second surface and an upper surface of the at least one third layer is flush with the bottom surface, and
wherein the sub-mount comprises ceramic material.