Aromatic amine compound and organic electroluminescent devices thereof

A compound and aromatic amine technology, applied in the field of organic electroluminescence, can solve the problems of inability to effectively block exciton luminescence efficiency, low light extraction efficiency of the cover layer, low glass transition temperature, etc., achieve good hole transport ability, and improve recombination rate. and the effect of high utilization rate and high refractive index
CN110845394AActive Publication Date: 2020-02-28CHANGCHUN HYPERIONS TECH CO LTD
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Patent Information

Authority / Receiving Office
CN ยท China
Current Assignee / Owner
CHANGCHUN HYPERIONS TECH CO LTD
Publication Date
2020-02-28

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Abstract

The invention provides an aromatic amine compound and organic electroluminescent devices thereof, and relates to the technical field of organic photoelectric materials. According to the invention, a specific heteroaryl group and a bicyclic heptane group are introduced into a triarylamine structure to obtain the aromatic amine compound disclosed by the invention; the aromatic amine compound has good hole transport capability, high glass transition temperature, excellent thermal stability, excellent film-forming property, high refractive index and simple synthesis process, can be applied to theorganic electroluminescent devices as a hole transport layer and / or a covering layer, can effectively solve the problems of poor thermal stability, low luminous efficiency and short service life of the organic electroluminescent devices; and the advantages of high luminous efficiency and long service life of the organic electroluminescent devices are achieved.
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Description

technical field

[0001] The invention relates to the technical field of organic electroluminescence, in particular to an aromatic amine compound and an organic electroluminescence device. Background technique

[0002] With the advent of the information age, research on new types of displays for man-machine interfaces has attracted more and more attention, especially the technology of various flat panel display devices. Wide, high-definition, image stability, rich colors, fast response, low energy consumption, low temperature, excellent shock resistance, flexibility, and low production costs are increasingly being used in mobile phones, personal electronic assistants (PDAs), digital Cameras, vehicle displays, notebook computers, televisions, and military fields are considered to be a new type of flat panel display device that can replace liquid crystal displays. research and development hotspots.

[0003] The original organic electroluminescent device can be realized by spin...

Claims

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