The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 14, 2014
Filed:
Jun. 30, 2011
Mingjie Zhou, Shenzhen, CN;
Ping Wang, Shenzhen, CN;
Juanjuan Zhang, Shenzhen, CN;
Zhenhua Zhang, Shenzhen, CN;
Mingjie Zhou, Shenzhen, CN;
Ping Wang, Shenzhen, CN;
Juanjuan Zhang, Shenzhen, CN;
Zhenhua Zhang, Shenzhen, CN;
Ocean's King Lighting Science & Technology Co., Ltd., Shenzhen, CN;
Abstract
An organic electroluminescent compound containing Iridium, preparation method thereof and an organic electroluminescent device are disclosed. The compound is represented by the structure (2), wherein, R is C˜Calkyl. The structure of the compound contains bipyridine ligand, also carries alkoxy group and fluorine atom, which improves its carrier injection and transfer ability, and increases its internal quantum efficiency and electroluminescent efficiency. Furthermore, the compound uses strong field ligand 2-pyridine carboxylic acid as assistant ligand, which causes an effective blue shift of its emission spectrum and increases light-emitting efficiency of blue light phosphorescence greatly.