Organic compound, electronic element and electronic device

A technology of organic compounds and chemical formulas, applied in organic chemistry, electrical components, organic semiconductor devices, etc., to achieve the effects of improving film formation and thermal stability, improving electron mobility, and improving luminous efficiency

Active Publication Date: 2020-09-15
SHAANXI LIGHTE OPTOELECTRONICS MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004]In the existing organic electroluminescent devices, the main problems are life and efficiency. Efficiency and power efficiency also need to be improved, therefore, it is necessary to continue to develop new materials to further improve the performance of organic electroluminescent devices

Method used

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  • Organic compound, electronic element and electronic device
  • Organic compound, electronic element and electronic device
  • Organic compound, electronic element and electronic device

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0170] 1. Preparation of intermediates

[0171] (1) General synthesis process of intermediates sub 1 and sub 1'

[0172] Sub1 of the compound of the above chemical formula 1' and compound 2' can be synthesized by the following chemical reaction pathway, but is not limited thereto.

[0173]

[0174]

[0175] In the above ~ , Ar 1 、Ar 2 、X 1 、X 2 、X 3 and L 1 It has the meaning as in other parts of the description, Rs3 is selected from deuterium, halogen group, cyano group, alkyl group with 1 to 10 carbon atoms, haloalkyl group with 1 to 10 carbon atoms, and 6 to 10 carbon atoms. Aryl group with 20 carbon atoms, heteroaryl group with 3 to 20 carbon atoms, aryloxy group with 6 to 20 carbon atoms, arylthio group with 6 to 20 carbon atoms, silane with 3 to 12 carbon atoms A group consisting of an alkylamino group with 1 to 10 carbon atoms and a cycloalkyl group with 3 to 10 carbon atoms; L 2 ’, L 3 ’, L 4 , L 1 "is a substituted or unsubstituted arylene group with...

preparation example 1

[0176] (2) Preparation Example 1: The specific synthesis examples of the intermediate compounds Sub 1 and sub 1' are as follows.

[0177] Synthetic routes of Sub 1-B1 and Sub 1-C1

[0178]

[0179] 1) Synthesis of Sub 1-I-B1

[0180] 2-Chloro-4,6-diphenyl-1,3,5-triazine (20.00g, 74.70mmol), p-chlorophenylboronic acid (14.01g, 89.64mmol), tetrakistriphenylphosphine palladium (1.72g , 1.49mmol), potassium carbonate (22.71g, 164.35mmol), tetrabutylammonium chloride (4.15g, 14.94mmol), toluene (160mL), ethanol (80mL) and deionized water (40mL) into a three-necked flask, Under the protection of nitrogen, the temperature was raised to 78° C., heated to reflux and stirred for 8 hours. After the reaction, the solution was cooled to room temperature, added toluene (200mL) to extract the reaction solution, combined the organic phases, dried the organic layer over anhydrous magnesium sulfate, filtered, and concentrated; the crude product was purified by silica gel column chromatogra...

Embodiment 1

[0328] Embodiment 1: green organic electroluminescent device

[0329] The anode was prepared by the following process: the ITO thickness was The substrate (manufactured by Corning) was cut into a size of 40mm × 40mm × 0.7mm, and it was prepared into an experimental substrate with cathode, anode and insulating layer patterns by using a photolithography process, using ultraviolet ozone and O 2 :N 2 Plasma surface treatment was performed to increase the work function of the anode (experimental substrate) and to remove scum.

[0330] HAT-CN was vacuum evaporated on the experimental substrate (anode) to form a thickness of The hole injection layer (HIL), and vacuum-evaporated NPB on the hole injection layer to form a thickness of hole transport layer (HTL).

[0331] Evaporate TCTA on the hole transport layer to form a thickness of electron blocking layer (EBL).

[0332] Using α,β-ADN as the host and doping BD-1 at the same time, the host and the dopant form a film with a ...

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Abstract

The invention provides an organic compound, and belongs to the technical field of organic materials. According to the compound disclosed by the invention, an electron-deficient nitrogen-containing heteroaryl group and a cyano group are connected to a structure formed by adamantane, so that the LUMO energy level is deepened, and the electron mobility is further improved. The invention also providesan electronic element comprising the organic compound, and an electronic device. The organic compound can improve the electron transport performance of the electronic element, and when the organic compound is used as an electron transport layer of an organic light-emitting electroluminescent device, the light-emitting efficiency and the service life of the device can be improved, and the workingvoltage can be reduced.

Description

technical field [0001] The present application relates to the technical field of organic materials, in particular to an organic compound, an electronic component and an electronic device. Background technique [0002] As a new generation of display technology, organic electroluminescent materials (OLED) have the advantages of ultra-thin, self-luminous, wide viewing angle, fast response, high luminous efficiency, good temperature adaptability, simple production process, low driving voltage, and low energy consumption. It has been widely used in industries such as flat panel display, flexible display, solid state lighting and vehicle display. [0003] An organic light emitting device generally includes an anode, a cathode and an organic material layer therebetween. The organic material layer is usually formed in a multilayer structure composed of different materials to improve the brightness, efficiency and life of the organic electroluminescent device. The organic material l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07D251/24C07D401/14C07D401/04C07D405/04C07D409/04C07D409/10C07D409/14C07D403/10C07D239/26C07D213/57C07F5/02H01L51/50H01L51/54
CPCC07D251/24C07D401/14C07D401/04C07D405/04C07D409/04C07D409/10C07D409/14C07D403/10C07D239/26C07D213/57C07F5/027H10K85/624H10K85/615H10K85/654H10K85/6576H10K85/6574H10K85/6572H10K85/40H10K50/00H10K50/16H10K85/626C07D213/16H10K50/11H10K2101/30H10K2101/40
Inventor 张孔燕马天天曹佳梅
Owner SHAANXI LIGHTE OPTOELECTRONICS MATERIAL CO LTD
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