Invention Grant
- Patent Title: Bicarbazole derivative, preparation process and use thereof, and organic luminescent device
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Application No.: US14415005Application Date: 2014-05-30
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Publication No.: US10050213B2Publication Date: 2018-08-14
- Inventor: Lifei Ma , Xiaoyu Ma , Hui Wang , Lujiang Huangfu
- Applicant: BOE Technology Group Co., Ltd. , JiLin OLED Material Tech. Co., LTD.
- Applicant Address: CN Beijing CN Changchun
- Assignee: BOE TECHNOLOGY GROUP CO., LTD.,JILIN OLED MATERIAL TECH. CO., LTD.
- Current Assignee: BOE TECHNOLOGY GROUP CO., LTD.,JILIN OLED MATERIAL TECH. CO., LTD.
- Current Assignee Address: CN Beijing CN Changchun
- Agency: Westman, Champlin & Koehler, P.A.
- Priority: CN201310670340 20131210
- International Application: PCT/CN2014/078945 WO 20140530
- International Announcement: WO2015/085729 WO 20150618
- Main IPC: H01L51/54
- IPC: H01L51/54 ; C09K11/06 ; H01L51/00 ; C07D401/14 ; C07D403/14 ; H05B33/20 ; H01L51/50
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.
Public/Granted literature
- US20150349274A1 BICARBAZOLE DERIVATIVE, PREPARATION PROCESS AND USE THEREOF, AND ORGANIC LUMINESCENT DEVICE Public/Granted day:2015-12-03
Information query
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