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Novel organic electroluminescent element compound and organic electroluminescent element comprising same

An electroluminescent device and compound technology, applied in the field of compounds for organic electroluminescent devices, can solve the problems of no electron transport ability, hole transport ability, thermal properties, etc.

Active Publication Date: 2015-03-25
PNH TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although phosphorescent materials with excellent current efficiency and luminous efficiency are favored, there are no host materials with stable electron transport ability, hole transport ability, thermal properties, and electrical properties. In particular, there are no host materials with high triplet energy. , needs to be developed

Method used

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  • Novel organic electroluminescent element compound and organic electroluminescent element comprising same
  • Novel organic electroluminescent element compound and organic electroluminescent element comprising same
  • Novel organic electroluminescent element compound and organic electroluminescent element comprising same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0102] Example 1: Synthesis of Compound 1

preparation example 1

[0103] (1) Preparation Example 1: Synthesis of Intermediate Product 1-1

[0104]

[0105]In 1,2-diiodobenzene (1,2-diiodobenzene) (19.8g, 0.06mol, sigma aldrich), triisopropyl borate (16.9g, 0.09mol, sigma aldrich) Derich), catalyst CuI (1.14g, 0.006mol, Sigma-Aldrich), sodium hydride (sodium hydride) (2.2g, 0.09mol, Sigma-Aldrich) were added 800ml of THF, and stirred at 25°C for 12 hours. make it react. After completion of the reaction, distilled water was added for extraction and column purification (n-Hexane: methylene chloride) was performed to obtain 15.3 g (yield 77%) of intermediate product 1-1.

[0106] LC / MS: m / z=331[(M+1) + ]

preparation example 1-2

[0107] (2) Preparation Example 1-2: Synthesis of Intermediate Product 1-2

[0108]

[0109] In the intermediate product 1-1 (15.3g, 0.046mol), 1-iodo-2-nitrobenzene (1-iodo-2-nitrobenzene) (7.5g, 0.03mol, Sigma-Aldrich), Pd(Oac) 2 (0.34g, 0.0015mol, Sigma-Aldrich), P(tBu) 2 Me (0.48 g, 0.003 mol, Sigma-Aldrich) and KOtBu (10.1 g, 0.09 mol, Sigma-Aldrich) were added with 600 ml of t-Butyl alcohol, and the mixture was stirred at 25°C to make it reaction. After completion of the reaction, distilled water was added for extraction, and column purification (n-hexane:dichloromethane) was performed to obtain 8.5 g (yield 57%) of intermediate product 1-2.

[0110] LC / MS: m / z=325[(M+1) + ]

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Abstract

Disclosed are: an organic electroluminescent element compound represented by structural formula 1 or 2 below; and an organic electroluminescent element comprising same. In this way, it is possible to provide an organic electroluminescent element compound which can be used as a host, hole-transport material and electron-transport material that has outstanding electrical stability and electron- and hole-transporting ability, a high level of triplet state energy and is able to improve the light-emitting efficiency of phosphorescent light-emitting materials, and an organic electroluminescent element.

Description

technical field [0001] The present invention relates to a compound for an organic electroluminescence device and an organic electroluminescence device containing the same, and more particularly, to a compound for an organic electroluminescence device capable of improving the luminous efficiency of the organic electroluminescence device, and the compound containing the same of organic electroluminescent devices. Background technique [0002] As the transition to an information society accelerates, the proportion of flat panel displays is gradually increasing. Among them, LCD (liquid crystal display, liquid crystal display) is currently the most used, but it adopts the following method, that is, applying voltage to the liquid crystal, so that the light from the backlight passes through the filter to obtain three primary colors, thereby forming a picture, In contrast, organic EL (OLED: Organic Light Emitting Diodes), as a self-luminous device, is excellent in viewing angle and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K11/06C07D409/10C07D209/82H01L51/50
CPCC07D209/82H10K85/6576H10K85/6572C07D333/72H05B33/14
Inventor 玄瑞镕尹涌浩宋政翰
Owner PNH TECH
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