US 9,812,495 B2
Light emitting device and lighting apparatus
Keiji Kiba, Osaka (JP)
Assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., Osaka (JP)
Filed by PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., Osaka (JP)
Filed on Mar. 7, 2017, as Appl. No. 15/452,008.
Claims priority of application No. 2016-045012 (JP), filed on Mar. 8, 2016.
Prior Publication US 2017/0263673 A1, Sep. 14, 2017
Int. Cl. H01L 33/10 (2010.01); H01L 33/20 (2010.01); H01L 33/60 (2010.01); H01L 27/15 (2006.01); H01L 33/52 (2010.01); H01L 33/50 (2010.01)
CPC H01L 27/156 (2013.01) [H01L 33/507 (2013.01); H01L 33/52 (2013.01); H01L 33/60 (2013.01); H01L 33/10 (2013.01); H01L 33/20 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A light emitting device, comprising:
a reflector;
a substrate;
a plurality of light emitting elements disposed on a major surface of the substrate; and
a first sealant layer sealing the plurality of light emitting elements and the reflector,
wherein the substrate includes the reflector recessed in the major surface and surrounding at least a portion of the plurality of light emitting elements.
 
6. A light emitting device, comprising:
a substrate; and
a plurality of light emitting elements disposed on a major surface of the substrate,
wherein the substrate includes a reflector recessed in the major surface and surrounding at least a portion of the plurality of light emitting elements,
wherein the reflector includes a plurality of grooves recessed in the major surface,
wherein at least one groove among the plurality of grooves extends across a region between two adjacent light emitting elements among the plurality of light emitting elements, and
wherein each of the plurality of grooves has a semicircular cross-section.