Patent · US Active

Organic light-emitting element

US10243147B2 · kind B2 · utility

1Cited by

1References

16Claims

0Family size

Assignee

E-RAY OPTOELECTRONICS TECHNOLOGY CO., LTD. · TW

Inventors

Heh-Lung Huang · Taoyuan, TW
Banumathy Balaganesan · Taoyuan, TW
Hsuan-Lung Lu · Taoyuan, TW

Key dates

Filing date	Jun 10, 2016
Grant date	Mar 26, 2019
Priority date	—
Expiry date	Nov 30, 2036

Classification

Technology area (CPC H)Electricity
CPC primaryH10K2102/103
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

An organic light-emitting element is provided, including: an anode; a first hole assisting layer and a second hole assisting layer sequentially formed on the anode; a light-emitting layer formed on and in contact with the second hole assisting layer, the light-emitting layer including a host luminesce containing a compound having a carbazole group; at least one electron transport layer formed on the light-emitting layer; and a cathode formed on the electron transport layer, the second hole assisting layer including a hole transport compound represented by formula (I) to improve the performance of the organic light-emitting element.

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