US 11,688,826 B2
Light emitting device, method of fabricating same and method of controlling light emission
Ee Jin Teo, Singapore (SG); Yi Shi, Singapore (SG); Chengyuan Yang, Singapore (SG); Qing Yang Steve Wu, Singapore (SG); Yin Thai Chan, Singapore (SG); Yang Xu, Singapore (SG); and Chi Jin Darren Neo, Singapore (SG)
Assigned to AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH, Singapore (SG)
Appl. No. 16/611,547
Filed by AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH, Singapore (SG)
PCT Filed Jun. 5, 2018, PCT No. PCT/SG2018/050279
§ 371(c)(1), (2) Date Nov. 7, 2019,
PCT Pub. No. WO2018/226157, PCT Pub. Date Dec. 13, 2018.
Claims priority of application No. 10201704585P (SG), filed on Jun. 5, 2017.
Prior Publication US 2020/0203560 A1, Jun. 25, 2020
Int. Cl. H01L 33/06 (2010.01); H01L 33/00 (2010.01)
CPC H01L 33/06 (2013.01) [H01L 33/0004 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A light emitting device comprising:
a plasmonic structure comprising a plurality of periodicities, the plurality of periodicities configured to have a corresponding plurality of localized surface plasmon resonances;
a broadband light emitting layer comprising a mixture of a plurality of narrowband emitters, each narrowband emitter having a respective spectral peak, the broadband light emitting layer comprising an emission spectrum substantially overlapping wavelengths of the localized surface plasmon resonances; and
a spacer layer disposed between the plasmonic structure and the broadband light emitting layer;
wherein a color of light emitted by the broadband light emitting layer is tunable by relative intensities of the spectral peaks of the narrowband emitters, the intensities being modified by the localized surface plasmon resonances of the plasmonic structure; and
wherein the plasmonic structure is configured to control a polarization of light emitted by the broadband light emitting layer.