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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.:

US 10050213 B1

PDFFull Text
Date of Patent:
Aug. 14, 2018

Filed:

May. 30, 2014

Bicarbazole derivative, preparation process and use thereof, and organic luminescent device

Applicants:

Boe Technology Group Co., Ltd., Beijing, CN;

Jilin Oled Material Tech. Co., Ltd., Changchun, CN;

Inventors:

Lifei Ma, Beijing, CN;

Xiaoyu Ma, Beijing, CN;

Hui Wang, Beijing, CN;

Lujiang Huangfu, Beijing, CN;

Assignees:

BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;

JILIN OLED MATERIAL TECH. CO., LTD., Changchun, CN;

Attorney:

Westman, Champlin & Koehler, P.A.

Primary Examiner:

Andrew K Bohaty

Int. Cl.
CPC ...
H01L 51/54 (2006.01); C09K 11/06 (2006.01); H01L 51/00 (2006.01); C07D 401/14 (2006.01); C07D 403/14 (2006.01); H05B 33/20 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0072 (2013.01); C07D 401/14 (2013.01); C07D 403/14 (2013.01); C09K 11/06 (2013.01); H01L 51/0067 (2013.01); H05B 33/20 (2013.01); C09K 2211/1007 (2013.01); C09K 2211/1029 (2013.01); C09K 2211/1044 (2013.01); C09K 2211/1059 (2013.01); H01L 51/0081 (2013.01); H01L 51/0085 (2013.01); H01L 51/506 (2013.01); H01L 51/5016 (2013.01); H01L 51/5056 (2013.01); H01L 51/5088 (2013.01);
Abstract

The invention provides a bicarbazole derivative represented by formula (I), wherein A is a group represented by formula (II), and wherein X, Y and Z represent a carbon atom or a nitrogen atom, and at least one of X, Y and Z represent a nitrogen atom. The invention further provides a process for preparing the compound. The invention further provides an organic electroluminescent device comprising the compound. This compound can be used as a phosphorescence host material, a hole-injecting material or a hole-transporting material in an organic electroluminescent device.

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