Organic compound and organic electroluminescent device

An organic compound and electromechanical technology, applied in the field of organic compounds and organic electroluminescent devices, can solve problems such as backwardness and insufficient development of organic electroluminescent materials, so as to avoid reverse transfer, improve chemical stability and thermal stability, The effect of improving efficiency and life
CN112979624AActive Publication Date: 2021-06-18NANJING TOPTO MATERIALS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NANJING TOPTO MATERIALS CO LTD
Publication Date
2021-06-18

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Abstract

The invention discloses an organic compound and an organic electroluminescent device, and relates to the technical field of organic electroluminescence. The structural formula of the organic compound is as shown in the specification, wherein in the formula, X is O or S; R1-R3, R5-R14, R18, R19, R20 are the same or different and are respectively and independently selected from hydrogen, deuterium, substituted or unsubstituted aryl of C6-C20 and substituted or unsubstituted heteroaryl of C5-C20; when the compound is applied to the organic electroluminescent device, under the same current density, the luminous efficiency of the device is greatly improved, the starting voltage is reduced, the power consumption is relatively reduced, and the service life is correspondingly prolonged.
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Description

technical field

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

[0002] Organic Light-emitting Devices (OLEDs) are spontaneous light-emitting devices that utilize the following principle: when an electric field is applied, fluorescent substances emit light through the recombination of holes injected from the positive electrode and electrons injected from the negative electrode. This self-luminous device has the characteristics of low voltage, high brightness, wide viewing angle, fast response, good temperature adaptability, etc., and is ultra-thin, and can be fabricated on flexible panels. It is widely used in mobile phones, tablet computers, TVs, lighting, etc. and other fields.

[0003] Compared with the crystal layer of LED (light-emitting diode) or LCD (liquid crystal display), the organic plastic layer of OLED is thinner, lighter and...

Claims

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