Patent · US Active

Organic light-emitting device and display device

US11056662B2 · kind B2 · utility

0Cited by

3References

28Claims

0Family size

Assignee

Shanghai Tianma AM-OLED Co., Ltd. · CN

Inventors

Angran Zhang · Shanghai, CN
Hamada Yuji · Shanghai, CN
Jinghua Niu · Shanghai, CN
Xiangcheng Wang · Shanghai, CN
Shuang Cheng · Shanghai, CN
Run Yang · Beijing, CN

Key dates

Filing date	Oct 23, 2017
Grant date	Jul 6, 2021
Priority date	—
Expiry date	Aug 25, 2038

Classification

Technology area (CPC H)Electricity
CPC primaryH10K2101/20
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

The present application discloses an organic light-emitting device and a display device. The organic light-emitting device comprises an anode, a cathode, and a blue light emitting layer, a green light emitting layer and a red light emitting layer between the anode and the cathode, and the blue light emitting layer comprises a blue thermally-activated delayed fluorescent material with a mass percent of 60-80%, the green light emitting layer comprises a green phosphorescent material and/or a green thermally-activated delayed fluorescent material, and the red light emitting layer comprises a red phosphorescent material and/or a red thermally-activated delayed fluorescent material.

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