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Compound, organic electroluminescent device and display device

A compound and electroluminescence technology, applied in the fields of electric solid state devices, electrical components, organic chemistry, etc., can solve the problems of high driving voltage and low luminous efficiency

Inactive Publication Date: 2018-06-08
FUYANG XINYIHUA MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the host material and electron transport material of the organic light-emitting layer in the prior art make the organic electroluminescent device have a higher driving voltage and a lower luminous efficiency.

Method used

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  • Compound, organic electroluminescent device and display device
  • Compound, organic electroluminescent device and display device
  • Compound, organic electroluminescent device and display device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0181] Examples 1-24 selected the compound of the present invention as the electron transport material in the organic electroluminescent device, and Comparative Example 1 selected Alq3 as the electron transport material in the organic electroluminescent device.

[0182] The structure of the organic electroluminescence device is: ITO / HIL02 (100nm) / NPB (40nm) / EM1 (30nm) / ETL (20nm) / LiF (0.5nm) / Al (150nm).

[0183] The fabrication process of organic electroluminescent devices is as follows:

[0184] The glass substrate coated with the ITO transparent conductive layer (as the anode) is ultrasonically treated in a cleaning agent, then rinsed in deionized water, then ultrasonically degreased in acetone and ethanol mixed solvent, and then baked in a clean environment until Completely remove water, clean with ultraviolet light and ozone, and bombard the surface with low-energy cation beams to improve the properties of the surface and improve the binding ability with the hole injection ...

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Abstract

The invention relates to the field of display, in particular to a compound, an organic electroluminescent device and a display device. The compound is shown as a formula I in the description, whereinthe group X is selected from substituted or unsubstituted aryls with the carbon atom number being 6 to 50; two bonds of the group X connected with the 1H-imidazo [4,5-f][1,10] phenanthroline group aresp2 hybridized carbon atoms; the group A is selected from aryls with the carbon atom number being 6 to 30, alkyls with the carbon atom number being 1 to 20 or naphthenic groups with the carbon atom number being 3 to 20; the group A is substituted or unsubstituted.

Description

technical field [0001] The invention relates to the display field, in particular to a compound, an organic electroluminescent device and a display device. Background technique [0002] Organic Light Emitting Display (OLED) is a new type of flat-panel display. Compared with Liquid Crystal Display (LCD), it has the advantages of thinness, lightness, wide viewing angle, active luminescence, and continuously adjustable luminous color. , low cost, fast response speed, low energy consumption, low driving voltage, wide operating temperature range, simple production process, high luminous efficiency and flexible display, etc., have attracted great attention from the industrial and scientific circles. [0003] The development of organic electroluminescent devices has promoted the research on organic electroluminescent materials. Compared with inorganic light-emitting materials, organic electroluminescent materials have the following advantages: organic materials have good processabi...

Claims

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Application Information

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IPC IPC(8): C07D519/00H01L51/54
CPCC07D519/00H10K85/624H10K85/623H10K85/626H10K85/615H10K85/6572
Inventor 丁兴立李志强王占奇郭林林
Owner FUYANG XINYIHUA MATERIAL TECH