Patent · US Active

Heteroleptic iridium complexes as dopants

US8709615B2 · kind B2 · utility

33Cited by

32References

17Claims

0Family size

Assignee

UNIVERSAL DISPLAY CORPORATION · US

Inventors

Gregg Kottas · Ewing, US
Nasrin Ansari · Monmouth Junction, US
Zeinab Elshenawy · Holland, US
Alan DeAngelis · Pennington, US
Chuanjun Xia · Lawrenceville, US

Key dates

Filing date	Jul 28, 2011
Grant date	Apr 29, 2014
Priority date	—
Expiry date	Jul 28, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E10/549
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Novel phosphorescent heteroleptic iridium complexes with phenylpyridine and dibenzo-containing ligands are provided. Alkyl substitution at specific positions on the ligands gives rise to compounds with improved OLED properties, including saturated green emission.

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