Light emitting device and display device including the same
AssigneeSamsung Electronics Co., Ltd.
InventorsHongkyu SEO, Moon Gyu HAN, Eun Joo JANG, Sujin PARK, Dae Young CHUNG
Life of this patent
Estimating the term…
Abstract
A light emitting device including a first electrode and a second electrode facing each other, an emission layer disposed between the first electrode and the second electrode, the emission layer including quantum dots, and an electron auxiliary layer disposed between the emission layer and the second electrode, the electron auxiliary layer including nanoparticles and a small molecule organic compound and a display device including the same. The nanoparticles include a metal oxide including zinc, and an electron mobility of the small molecule organic compound is less than an electron mobility of the nanoparticles.
Claims25
A light emitting device, comprising
- a first electrode and a second electrode facing each other,
- an emission layer disposed between the first electrode and the second electrode, the emission layer comprising quantum dots, and
- an electron auxiliary layer disposed between the emission layer and the second electrode, the electron auxiliary layer comprising nanoparticles and a small molecule organic compound,
- wherein the nanoparticles comprise a metal oxide comprising zinc, and
- an electron mobility of the small molecule organic compound is less than an electron mobility of the nanoparticles.
Dependencies are inferred from the claim text.