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Arylamine organic compound, mixture, composition and organic electronic device

A technology of organic compounds and aromatic amines, which is applied in the field of organic electroluminescence, can solve the problems that the recombination region cannot be completely uniformly dispersed, the quantum efficiency is close to the theoretical limit, and the luminous efficiency of the device is reduced, so as to achieve excellent hole transport properties and reduce the roll rate. The effect of reducing the effect and improving the luminous efficiency

Pending Publication Date: 2022-03-18
GUANGZHOU CHINARAY OPTOELECTRONICS MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In recent years, the luminous efficiency of organic light-emitting diodes (OLEDs) has been greatly improved, but its internal quantum efficiency has approached the theoretical limit.
The difference in the mobility of holes and electrons causes the recombination region to not be completely uniformly dispersed in the light-emitting layer, which reduces the luminous efficiency of the device; or a roll-off effect occurs, which reduces the performance of the device

Method used

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  • Arylamine organic compound, mixture, composition and organic electronic device
  • Arylamine organic compound, mixture, composition and organic electronic device
  • Arylamine organic compound, mixture, composition and organic electronic device

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment

[0118]

[0119] 1. Synthesis of compounds

Embodiment 1

[0120] Embodiment 1: the synthesis of compound H1

[0121]

[0122] Compound Z1 (3.88g, 15mmol), Z2 (5.91g, 15mmol) were dissolved in anhydrous toluene, sodium tert-butoxide (1.73g, 18mmol) and tridibenzylideneacetone dipalladium (0.41g, 0.45mmol) were added ), after replacing the nitrogen three times, tri-tert-butylphosphine (0.45 mmol) was added, the temperature was gradually raised to 80° C., the reaction was stirred for 12 hours, and the heat source was removed. After the system was cooled, deionized water was added, the organic layer was separated, and extracted three times with ethyl acetate, the organic phase was collected, concentrated under reduced pressure, and passed through a silica gel column to obtain 4.47 g of product Z3 with a yield of 52%.

[0123] Compounds Z3 (4g, 7mmol), Z4 (2.55g, 7mmol) were dissolved in anhydrous toluene, sodium tert-butoxide (0.81g, 8.4mmol) and tridibenzylideneacetone dipalladium (0.19g, 0.21mmol) were added ), after replacing the ...

Embodiment 2

[0124] Embodiment 2: the synthesis of compound H2

[0125]

[0126] Dissolve compound Z5 (5.91g, 15mmol), Z6 (2.62g, 15mmol) in anhydrous toluene, add sodium tert-butoxide (1.73g, 18mmol) and tridibenzylideneacetone dipalladium (0.41g, 0.45mmol ), after replacing the nitrogen three times, tri-tert-butylphosphine (0.45 mmol) was added, the temperature was gradually raised to 80° C., the reaction was stirred for 12 hours, and the heat source was removed. After the system was cooled, deionized water was added, the organic layer was separated, and extracted three times with ethyl acetate, the organic phase was collected, concentrated under reduced pressure, and passed through a silica gel column to obtain 4.03 g of product Z7 with a yield of 55%.

[0127] Compound Z7 (3.91g, 8mmol), Z4 (2.91g, 8mmol) were dissolved in anhydrous toluene, sodium tert-butoxide (0.92g, 9.6mmol) and tridibenzylideneacetone dipalladium (0.22g, 0.24 mmol), after replacing the nitrogen three times, tr...

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Abstract

The invention relates to an arylamine organic compound, a mixture, a composition and an organic electronic device. The arylamine organic compound has a structure as shown in a formula (1), shows excellent hole transport property and stability, can be used as a hole transport layer material in an organic electroluminescent device, can reduce the roll-off effect and the manufacturing cost, can improve the electroluminescent efficiency, and can prolong the service life of the device.

Description

[0001] This application claims the priority of the Chinese patent application with the application number 202010987150.1 and the title of the invention "a spirocyclic aromatic amine organic compound and its application" submitted to the China Patent Office on September 18, 2020, the entire content of which is incorporated by reference incorporated in this application. technical field [0002] The invention relates to the technical field of organic electroluminescence, in particular to an aromatic amine organic compound, a mixture, a composition and an organic electronic device. Background technique [0003] Organic electroluminescent display devices are a type of self-luminous display devices, which generate excitons through the transfer and recombination of carriers between functional layers, and rely on organic compounds or metal complexes with high quantum efficiency to emit light. An organic electroluminescent element generally has a positive electrode and a negative ele...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07C211/61C07D209/86C07D307/91C07D333/76C09K11/06H01L51/54
CPCC07C211/61C07D209/86C07D307/91C07D333/76C09K11/06C09K2211/1011C09K2211/1007C09K2211/1029C09K2211/1092H10K85/625H10K85/624H10K85/626H10K85/615H10K85/6576H10K85/6574H10K85/6572
Inventor 李涛宋晶尧陈佳
Owner GUANGZHOU CHINARAY OPTOELECTRONICS MATERIALS
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