US 11,943,952 B2
Light-emitting device including nanostructures and display apparatus including the same
Sunjin Song, Seoul (KR); Seokho Song, Seoul (KR); and Wonjae Joo, Seongnam-si (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR); and IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY), Seoul (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR); and IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY), Seoul (KR)
Filed on Feb. 2, 2021, as Appl. No. 17/165,522.
Claims priority of application No. 10-2020-0096945 (KR), filed on Aug. 3, 2020.
Prior Publication US 2022/0037613 A1, Feb. 3, 2022
Int. Cl. H10K 50/818 (2023.01); H10K 50/852 (2023.01); H10K 59/121 (2023.01)
CPC H10K 50/818 (2023.02) [H10K 50/852 (2023.02); H10K 59/121 (2023.02)] 13 Claims
OG exemplary drawing
 
1. A light-emitting device comprising:
a reflective layer comprising a plurality of nano-structures two-dimensionally disposed regularly and a low-refractive-index layer disposed adjacent to the plurality of nano-structures;
a first electrode disposed on the reflective layer;
an organic emission layer disposed on the first electrode; and
a second electrode disposed on the organic emission layer,
wherein each of the plurality of nano-structures comprises a non-metallic material, and the low-refractive-index layer comprises a dielectric material having a second refractive index lower than a first refractive index of the non-metallic material, and
wherein the non-metallic material comprises at least one of BaTiO3, Cr2O3, HfO2, ZnS, ZnSe, GaP, InP, GaAs, GaN, and AlAs2.