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A class of iridium coordination compounds as phosphorescence materials, preparation method and applications thereof

A technology of iridium complexes and phosphorescent materials, applied in the directions of luminescent materials, compounds containing elements of Group 8/9/10/18 of the periodic table, chemical instruments and methods, etc., can solve the problems of increasing the complexity of material production and achieve Simple operation and high luminous efficiency

Inactive Publication Date: 2019-01-01
YANTAI XIANHUA OPTOELECTRONICS INST CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, the preparation methods of different materials are also different, which increases the complexity of material production to a certain extent.

Method used

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  • A class of iridium coordination compounds as phosphorescence materials, preparation method and applications thereof
  • A class of iridium coordination compounds as phosphorescence materials, preparation method and applications thereof
  • A class of iridium coordination compounds as phosphorescence materials, preparation method and applications thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] The synthesis of iridium complex 1, the reaction equation is as follows:

[0035] (1) Preparation of the main ligand

[0036]

[0037] (2) Synthesis of chlorine-bridged dimers

[0038]

[0039] (3) Target synthesis

[0040]

Embodiment 2

[0042] The synthesis of iridium complex 2, the reaction equation is as follows:

[0043] (1) Preparation of the main ligand

[0044]

[0045] (2) Synthesis of chlorine-bridged dimers

[0046]

[0047] (3) Target synthesis

[0048]

Embodiment 3

[0050] The synthesis of iridium complex 12, reaction equation is as follows:

[0051] (1) Preparation of the main ligand

[0052]

[0053] (2) Synthesis of chlorine-bridged dimers

[0054]

[0055] (3) Target synthesis

[0056]

[0057] like figure 1 As shown, the structure of an organic electroluminescent device (OLED) includes a glass substrate 1, an anode layer 2, a hole injection layer 3, a hole transport layer 4, a light emitting layer 5, an electron transport layer 6, and an electron injection layer sequentially stacked and combined. layer 7 and cathode layer 8. The iridium phosphorescent material prepared by the present invention is applied in the light-emitting layer of the OLED, and Table 1 shows the composition of each layer of the OLED in application examples 1-3.

[0058] Table 1

[0059]

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Abstract

The invention belongs to the technical field of organic photoelectric materials, and particularly relates to a class of iridium coordination compounds as phosphorescence materials, a preparation method and applications thereof. According to the present invention, the prepared iridium coordination compounds have high light-emitting efficiency, and the colors of the emitted lights are easily adjusted; the main ligands of the iridium coordination compounds have the same skeletal structure, wherein the wavelengths of the emitted lights can be adjusted from the green light range to the red light range based on different positions of the hetero atoms on the main ligands and different types of the hetero atoms; and the preparation methods of the light-emitting materials having different colors are basically the same, and the operations are simple.

Description

technical field [0001] The invention belongs to the technical field of organic photoelectric materials, in particular to a class of iridium complexes used as phosphorescent materials, a preparation method and application thereof. Background technique [0002] Organic Light-Emitting Diode (English name OrganicLight-EmittingDiode, referred to as OLED) has the characteristics of self-illumination, clear and bright, light and thin, fast response speed, wide viewing angle, low power consumption, wide applicable temperature range, and simple manufacturing process. light emitting element. In addition, because OLED can be used as a fantasy display that can be folded, rolled, pasted, and hung anywhere like wallpaper, it is expected to replace liquid crystal display and is known as the "ultimate display technology." [0003] Luminescent materials are one of the core materials of OLED devices. A large number of studies have shown that transition metal complexes have unique advantages...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07F15/00C09K11/06H01L51/54
CPCC09K11/06C07F15/0033C09K2211/185H10K85/342
Inventor 陈跃丰佩川胡灵峰杨阳李伟超肖辉
Owner YANTAI XIANHUA OPTOELECTRONICS INST CORP LTD