LIGHT-EMITTING ELEMENT AND DISPLAY DEVICE

Organization Name

Inventor(s)

SHINICHI Handa of Sakai City, Osaka (JP)

YUSUKE Sakakibara of Sakai City, Osaka (JP)

LIGHT-EMITTING ELEMENT AND DISPLAY DEVICE

This abstract first appeared for US patent application 18580740 titled 'LIGHT-EMITTING ELEMENT AND DISPLAY DEVICE

Original Abstract Submitted

A light-emitting element includes a light-emitting layer including first quantum dots and second quantum dots, the electron transport layer includes a first material having a first particle size distribution and a second material having a second particle size distribution different from the first particle size distribution, an electron affinity of a first light-emitting material is equal to or smaller than an electron affinity of the first material, an electron affinity of the second material is smaller than the electron affinity of the first material, and an electron affinity of a second light-emitting material is equal to or smaller than the electron affinity of the second material.