Patent · US Active

Light-emitting material, compound, and organic light-emitting element

US11637244B2 · kind B2 · utility

0Cited by

2References

15Claims

0Family size

Assignees

KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION · JP
KYULUX, INC. · JP

Inventors

Yan Geng · Hefei, CN
Chihaya Adachi · Fukuoka, JP
Hajime Nakanotani · Fukuoka, JP
Naoto Notsuka · Fukuoka, JP
Keiro Nasu · Fukuoka, JP

Key dates

Filing date	Dec 21, 2017
Grant date	Apr 25, 2023
Priority date	—
Expiry date	Mar 14, 2039

Classification

Technology area (CPC H)Electricity
CPC primaryH10K2101/10
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A compound represented by the following general formula is excellent in light emission properties. R1 and R2 each independently represent a fluorinated alkyl group, D represents a substituent in which Hammett's σp value is negative, and A represents a substituent in which Hammett's σp value is positive.

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