US 12,035,564 B2
Display device
Koji Murata, Sakai (JP); Tokiyoshi Umeda, Sakai (JP); and Yuto Tsukamoto, Sakai (JP)
Assigned to SHARP KABUSHIKI KAISHA, Sakai (JP)
Appl. No. 17/435,536
Filed by SHARP KABUSHIKI KAISHA, Sakai (JP)
PCT Filed Mar. 11, 2019, PCT No. PCT/JP2019/009796
§ 371(c)(1), (2) Date Sep. 1, 2021,
PCT Pub. No. WO2020/183585, PCT Pub. Date Sep. 17, 2020.
Prior Publication US 2022/0045303 A1, Feb. 10, 2022
Int. Cl. H10K 50/85 (2023.01); H10K 59/12 (2023.01); H10K 59/38 (2023.01)
CPC H10K 50/85 (2023.02) [H10K 59/12 (2023.02); H10K 59/38 (2023.02)] 19 Claims
OG exemplary drawing
 
1. A display device, comprising:
a light-emitting element layer including a plurality of light-emitting elements, the plurality of light-emitting elements including a thin film transistor (TFT) layer, a plurality of first electrodes, a light-emitting layer, and a second electrode,
wherein, on a light emission side of the light-emitting element layer, each of a plurality of wavelength conversion layers corresponding to each of the plurality of light-emitting elements, a dielectric layer, and a particle layer are provided in this order,
the particle layer includes metal nanoparticles including a core and a shell around the core, and
the dielectric layer and the particle layer are commonly provided above the plurality of light emitting elements.