Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Dihydroanthracene compound containing unsaturated nitrogen heterocyclic ring, organic electroluminescent device and display device

A technology of dihydroanthracene and nitrogen heterocycle is applied in the field of display, which can solve the problems of high driving voltage and low luminous efficiency, and achieve the effect of reducing driving voltage and improving luminous efficiency.

Inactive Publication Date: 2018-11-16
王美妮
View PDF1 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The invention provides a dihydroanthracene compound containing an unsaturated nitrogen-containing heterocyclic ring, an organic electroluminescent device containing the compound and a display device with the organic electroluminescent device, which are used to solve the problem of organic electroluminescence in the prior art. Problems of High Driving Voltage and Low Luminous Efficiency of Luminescent Devices

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Dihydroanthracene compound containing unsaturated nitrogen heterocyclic ring, organic electroluminescent device and display device
  • Dihydroanthracene compound containing unsaturated nitrogen heterocyclic ring, organic electroluminescent device and display device
  • Dihydroanthracene compound containing unsaturated nitrogen heterocyclic ring, organic electroluminescent device and display device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0066] The compound of the present invention is used as the host material in the red phosphorescent OLED organic electroluminescent device, and as a comparative organic electroluminescent device, the red light host material is selected from CBP.

[0067] The structure of the organic electroluminescent device is: ITO / NPB (20nm) / red light host material (30nm): Ir(piq)3[5%] / TPBI(10nm) / Alq3(15nm) / LiF(0.5nm) / Al (150nm).

[0068] The preparation process of the organic electroluminescent device is as follows: the glass plate coated with the ITO transparent conductive layer is ultrasonically treated in a commercial cleaning agent, rinsed in deionized water, ultrasonically degreased in acetone: ethanol mixed solvent, and baked in a clean environment. Baked until completely dehydrated, cleaned with UV light and ozone, and bombarded with a beam of low-energy cations;

[0069] Place the above-mentioned glass substrate with the anode in a vacuum chamber, and evacuate to 1×10 -5 ~9×10 -3...

Embodiment 2

[0079] The compound of the present invention is used as the host material in the green phosphorescent OLED organic electroluminescent device, and as a comparative organic electroluminescent device, the green host material is respectively selected from CBP.

[0080] The structure of the organic electroluminescent device is: ITO / NPB (20nm) / green light host material (30nm): Ir(ppy)3[7%] / TPBI(10nm) / Alq3(15nm) / LiF(0.5nm) / Al (150nm).

[0081] The preparation process of the organic electroluminescent device is as follows: the glass plate coated with the ITO transparent conductive layer is ultrasonically treated in a commercial cleaning agent, rinsed in deionized water, ultrasonically degreased in acetone: ethanol mixed solvent, and baked in a clean environment. Baked until completely dehydrated, cleaned with UV light and ozone, and bombarded with a beam of low-energy cations;

[0082] Place the above-mentioned glass substrate with the anode in a vacuum chamber, and evacuate to 1×10 ...

Embodiment 3

[0091] The compound of the present invention is used as the electron transport layer in the organic electroluminescent device, and as a comparative organic electroluminescent device, the electron transport material is TAZ.

[0092] The structure of the organic electroluminescence device is: ITO / HIL02 (100nm) / NPB (40nm) / EM1 (30nm) / ETL (20nm) / LiF (0.5nm) / Al (150nm).

[0093] In the production of the organic electroluminescent device in this embodiment, a glass substrate is selected, ITO is used as the anode material, HIL02 is used as the hole injection layer, NPB is used as the hole transport layer, EM1 is used as the main material of the organic light-emitting layer, and LiF / Al is used as the electron injection layer. layer / cathode material.

[0094] The preparation process of the organic electroluminescent device in this embodiment is as follows:

[0095] The glass substrate coated with the ITO transparent conductive layer (as the anode) is ultrasonically treated in a cleanin...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to the technical field of display and in particular relates to a dihydroanthracene compound containing an unsaturated nitrogen heterocyclic ring, an organic electroluminescent device and a display device. The compound disclosed by the invention is shown as a formula (I) as shown in the specification. If the compound provided by the invention is applied as a main material of an electron transfer layer or an organic light emitting layer of the organic electroluminescent device, the light emitting efficiency of the organic electroluminescent device is increased, and the driving voltage of the organic electroluminescent device is reduced.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a dihydroanthracene compound containing an unsaturated nitrogen-containing heterocycle, 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 electrol...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): C07D213/06C07D221/18C07D235/18C07D239/26C07D251/24C07D307/77C07D307/91C07D333/76C07D401/14H01L51/54
CPCC07D213/06C07D221/18C07D235/18C07D239/26C07D251/24C07D307/77C07D307/91C07D333/76C07D401/14H10K85/626H10K85/615H10K85/654H10K85/6576H10K85/6574H10K85/6572
Inventor 不公告发明人
Owner 王美妮
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com