Eureka AIR delivers breakthrough ideas for toughest innovation challenges, trusted by R&D personnel around the world.

Compound for organic luminescence and application thereof

A compound and organic technology, applied in the field of organic light-emitting compounds, can solve problems such as insufficient development, and achieve the effects of high charge transfer ability, high glass transition temperature, and high stability

Inactive Publication Date: 2022-03-29
EVERDISPLAY OPTRONICS (SHANGHAI) CO LTD
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order for organic light-emitting devices to have sufficiently excellent characteristics, materials forming organic material layers, such as hole injection materials, hole transport materials, light emitting materials, electron transport materials, electron injection materials, etc., first need to be supported by stable and effective materials , however, the current development of stable and efficient materials for organic material layers of organic light-emitting devices is still insufficient

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
  • Compound for organic luminescence and application thereof
  • Compound for organic luminescence and application thereof
  • Compound for organic luminescence and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The first aspect of this embodiment is to provide a compound for organic luminescence, the structure of which is shown in Formula A:

[0026]

[0027] The second aspect of this embodiment is to provide a kind of synthetic method of above-mentioned compound:

[0028]

[0029]

[0030] Step (a): 40mmol compound 1, 47mmol diboronic acid pinacol ester and 118mmol potassium acetate were dissolved in 150mL dioxane, the mixture was heated to 50°C, and 0.4mmol Pd(DBA) 2 and 0.8mmol P(Cy) 3 This was added and the resulting mixture was heated with stirring for 12 hours. The reaction solution was cooled to room temperature, 100 mL of distilled water was added thereto, and the mixture was extracted with dichloromethane, and the organic layer was concentrated and recrystallized with ethanol to obtain compound 2.

[0031] Step (b): Suspend 99.95 mmol of compound 3 and 99.98 mmol of compound 4 in 200 mL of 1,4-dioxane and 20 mL of acetic acid. The resulting mixture was sti...

Embodiment 2

[0035] This embodiment provides a compound for organic luminescence, the structure of which is shown in formula B:

[0036]

[0037] The synthesis method of this compound is the same as that of Example 1, except that the substituents in the raw materials are replaced accordingly.

[0038] The yield of compound B was 84%. Characterization data: melting point (DSC) 284°C, purity 99.9%; 1 H NMR (400MHz, CDCl 3 )δ(ppm): 9.20(s,1H),8.11-7.91(m,5H),7.78-7.48(m,7H), 7.39-7.30(m,15H),7.22-7.00(m,6H),6.62 -6.46(m,4H).

Embodiment 3

[0040] This embodiment provides a compound for organic luminescence, the structure of which is shown in formula C:

[0041]

[0042] The synthesis method of this compound is the same as that of Example 1, except that the substituents in the raw materials are replaced accordingly.

[0043] The yield of compound C was 79%. Characterization data: melting point (DSC) 284°C, purity 99.9%; 1 H NMR (400MHz, CDCl 3 )δ(ppm): 8.81-8.51(m,2H),8.29(s,1H),8.00-7.91(m,5H), 7.48-7.39(m,10H),7.32-7.22(m,10H),7.01 -6.46(m,7H),3.89-1.51(m,5H).

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

PropertyMeasurementUnit
melting pointaaaaaaaaaa
melting pointaaaaaaaaaa
melting pointaaaaaaaaaa
Login to View More

Abstract

The invention relates to a compound for organic luminescence, the structure of the compound is shown as a formula (I): wherein R1-R5 are respectively and independently selected from hydrogen, a substituted or unsubstituted aryl group, a substituted or unsubstituted heteroaryl group, and a substituted or unsubstituted alkyl group; l is selected from substituted or unsubstituted phenyl and substituted or unsubstituted heteroaryl. The compound for organic light emission can be used as an electron transport material, and not only has high stability, but also has high charge transfer capability and high glass transition temperature.

Description

technical field [0001] The invention relates to the field of photoelectric materials, in particular to a compound for organic light emission and its application. Background technique [0002] An organic electroluminescent element has a structure in which a light-emitting layer containing a light-emitting material is sandwiched between a hole-transport layer and an electron-transport layer, and an anode and a cathode are installed on both sides of the sandwich structure. Organic electroluminescence devices are devices that emit light (fluorescence or phosphorescence) when excitons are deactivated by the recombination of holes and electrons injected into the light-emitting layer, and are used in displays and the like. [0003] In order for organic light-emitting devices to have sufficiently excellent characteristics, materials forming organic material layers, such as hole injection materials, hole transport materials, light emitting materials, electron transport materials, ele...

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
Patent Type & Authority Applications(China)
IPC IPC(8): C07D487/04C09K11/06H01L51/50H01L51/54
CPCC07D487/04C09K11/06C09K2211/1029C09K2211/1059H10K85/615H10K85/654H10K85/6572H10K50/16
Inventor 黄雪明
Owner EVERDISPLAY OPTRONICS (SHANGHAI) CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
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