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Patent Searching and Data


Title:
COMPOUND USING FLUORENE AS CORE, AND PREPARATION METHOD THEREFOR AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2023/070700
Kind Code:
A1
Abstract:
Provided are a compound using fluorene as a core, and a preparation method therefor and the use thereof. By means of changing the types of a donor and an acceptor and bonding positions, an electroluminescent device having a series of blue light-emitting molecules and high efficiency and mobility is obtained, and the device has a simple structure, and can be prepared on a large scale to save on time and cost. The use of the compound with fluorene as a core is further comprised. The compound is used as an organic light-emitting diode material or is used for preparing an organic electroluminescent device. A blue photoluminescence spectrum is presented in the spectroscopic tests of the prepared compound in tetrahydrofuran and in a film state; and the compound has an excellent thermal performance and a good film-forming property, and the electroluminescence spectrum thereof after the evaporation deposition of a device is still a blue photoluminescence spectrum.

Inventors:
XUE SHANFENG (CN)
WANG RUNZE (CN)
LI TENGYUE (CN)
SUN QIKUN (CN)
YANG WENJUN (CN)
Application Number:
PCT/CN2021/128354
Publication Date:
May 04, 2023
Filing Date:
November 03, 2021
Export Citation:
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Assignee:
QINGDAO UNIV OF SCIENCE AND TECHNOLOGY (CN)
International Classes:
C07D235/02; C07D235/18; C07D249/08; C07D251/24; C07D271/107; C07D403/10; C07D413/10; C09K11/06
Foreign References:
CN106632269A2017-05-10
JP2009203176A2009-09-10
CN103833507A2014-06-04
CN104956206A2015-09-30
US20040056255A12004-03-25
CN102675296A2012-09-19
Attorney, Agent or Firm:
BEIJING HUIJIE INTELLECTUAL PROPERTY LAW FIRM (GENERAL PARTNERSHIP) (CN)
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