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Organic compound based on heteroaryl amine structure and application thereof to OLED (Organic Light Emitting Diode)

A technology of organic compounds and heteroarylamines, which is applied in the field of organic compounds containing heteroarylamine structures, can solve the problems of complex manufacturing process and affecting the angular distribution of OLED radiation spectrum

Active Publication Date: 2019-05-17
JIANGSU SUNERA TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The first two structures will affect the angular distribution of the radiation spectrum of the OLED. The third structure is complicated to manufacture, but the process of using the surface covering layer is simple, and the luminous efficiency can be increased by more than 30%, which is particularly concerned by people.

Method used

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  • Organic compound based on heteroaryl amine structure and application thereof to OLED (Organic Light Emitting Diode)
  • Organic compound based on heteroaryl amine structure and application thereof to OLED (Organic Light Emitting Diode)
  • Organic compound based on heteroaryl amine structure and application thereof to OLED (Organic Light Emitting Diode)

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Embodiment 1

[0082] Embodiment 1: the synthesis of compound 6:

[0083]

[0084] In a 250ml three-neck flask, under the protection of nitrogen, add 0.012mol raw material A-1, 0.01mol intermediate B-1, 150ml toluene and stir to mix, then add 5×10 -5 molPd 2 (dba) 3 , 5×10 -5 mol P(t-Bu) 3 , 0.03mol sodium tert-butoxide, heated to 105°C, refluxed for 24 hours, sampling plate, showed no bromide remaining, the reaction was complete; naturally cooled to room temperature, filtered, the filtrate was rotary evaporated to no fraction, passed through a neutral silica gel column , the target product was obtained, the HPLC purity was 99.8%, and the yield was 78.4%. Elemental analysis structure (molecular formula C 49 h 30 N 2 o 3 ) Theoretical value: C, 84.71; H, 4.35; N, 4.03; O, 6.91; Tested value: C, 84.72; ESI-MS(m / z)(M + ): theoretical value: 694.23, measured value: 694.55.

[0085] The target compound was prepared by the above synthetic method, and its specific structure is shown i...

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Abstract

The invention discloses an organic compound based on heteroaryl amine structure and application thereof to an OLED (Organic Light Emitting Diode). The compound structurally contains heteroaryl and benzo-heteroaryl amine structures at the same time, has relatively shallow LUMO energy stage, relatively high glass transition temperature and molecular thermal stability; the absorption in the visible light field is low; the refractive index is high; after the organic compound is applied to the CPL layer of the OLED device, the light extraction efficiency of the OLED device can be effectively improved.

Description

technical field [0001] The invention relates to the technical field of semiconductors, in particular to an organic compound containing a heteroarylamine structure and its application in OLEDs. Background technique [0002] Currently, OLED display technology has been applied in smart phones, tablet computers and other fields, and will further expand to large-size applications such as TVs. However, due to the huge gap between the external quantum efficiency and internal quantum efficiency of OLEDs, the development of OLEDs is greatly restricted. Therefore, how to improve the light extraction efficiency of OLEDs has become a research hotspot. Total reflection will occur at the interface between the ITO film and the glass substrate and the interface between the glass substrate and the air, and the light emitted to the front of the OLED device to the external space accounts for about 20% of the total EL of the organic material film, and the remaining about 80% of the light It i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07D405/14C07D409/14C07D413/14C07D417/14H01L51/54
Inventor 唐丹丹李崇张兆超叶中华
Owner JIANGSU SUNERA TECH CO LTD
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