Patent · US Active

Electroluminescent display device

US10673004B2 · kind B2 · utility

2Cited by
4References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 11, 2019
Grant dateJun 2, 2020
Priority date
Expiry dateMar 11, 2039

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02B20/00
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

An electroluminescence display device, including a first electrode and a second electrode facing each other; a quantum dot emission layer disposed between the first electrode and the second electrode, the quantum dot emission layer including a plurality of quantum dots and not including cadmium, wherein the quantum dot emission layer includes a red emission layer disposed in a red pixel, a green emission layer disposed in a green pixel, and a blue emission layer disposed in a blue pixel, wherein the device has color reproducibility according to a DCI standard of greater than or equal to about 89%.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.