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

A compound based on bis-dimethylfluorene-substituted aniline and its prepared organic electroluminescent device

An electroluminescent device, bis-dimethylfluorene technology, applied in the field of semiconductors, can solve the problems of different performance and other problems, and achieve the effect of not easy to aggregate, not easy to crystallize, and polymer thermal stability

Active Publication Date: 2021-12-14
JIANGSU SUNERA TECH CO LTD
View PDF7 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, for the collocation of OLED devices with different structures, the photoelectric functional materials used have strong selectivity, and the performance of the same material in devices with different structures may be completely different.

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
  • A compound based on bis-dimethylfluorene-substituted aniline and its prepared organic electroluminescent device
  • A compound based on bis-dimethylfluorene-substituted aniline and its prepared organic electroluminescent device
  • A compound based on bis-dimethylfluorene-substituted aniline and its prepared organic electroluminescent device

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0046] Preparation of Intermediate C-1

[0047]

[0048] Under nitrogen atmosphere, in the three-necked flask of 500ml, add 0.05mol raw material A-1, 0.05mol raw material B-1, add mixed solvent (300ml toluene, 90ml H 2 O) it was dissolved, stirred for 1 hour under nitrogen, then added 0.1mol K 2 CO 3 , 0.005mol Pd(PPh 3 )4 , heated to 90° C., reacted for 8 hours, and observed the reaction by thin layer chromatography (TLC) until the reaction was complete. After naturally cooling to room temperature, water was added to the reaction system for extraction, liquid separation, and the organic phase was rotary evaporated under reduced pressure until there was no distillate. The obtained substance was purified by silica gel column to obtain intermediate C-1 with a purity of 99.4% and a yield of 87%.

[0049] Elemental analysis structure (molecular formula C 24 h 15 BrO): Theoretical C, 72.19; H, 3.79; Br, 20.01; O, 4.01; Found: C, 72.16; H, 3.77; Br, 20.04; O, 4.03.

[0050...

Embodiment 1

[0121] Embodiment 1: the synthesis of compound 3

[0122]

[0123] Under a nitrogen atmosphere, add 0.005 mol of the prepared intermediate C-1, 0.006 mol of raw material D, 0.01 mol of sodium tert-butoxide, 3×10 -4 molPd(dba) 2 and 1.2×10 -3 mol of tri-tert-butylphosphine, then add 60ml of toluene to dissolve it, heat to reflux, react for 4 hours, and observe the reaction by TLC until the reaction is complete. Naturally cooled to room temperature, water was added to the reaction system for extraction, liquid separation, and the organic phase was rotary evaporated under reduced pressure until there was no fraction. The obtained substance was purified by silica gel column to obtain the title target product with a purity of 99.7% and a yield of 81%.

[0124] Elemental analysis structure (molecular formula C 54 h 41 NO): Theoretical C, 90.09; H, 5.74; N, 1.95; O, 2.22; Found: C, 90.06; H, 5.72; N, 1.98;

[0125] ESI-MS(m / z)(M + ): The theoretical value is 719.93, and the...

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
thicknessaaaaaaaaaa
Login to View More

Abstract

The invention discloses a compound based on bisdimethylfluorene substituted aniline and an organic electroluminescence device prepared therefrom. The compound has the advantages of intermolecular crystallization and aggregation, good film-forming property and thermal stability, and high glass transition temperature, suitable HOMO and LUMO energy levels. The compounds of the present invention are applied to organic electroluminescent devices as HIT or EB materials. The light-emitting devices using the compounds of the present invention have good optoelectronic performance and can better adapt to and meet the application requirements of panel manufacturers.

Description

technical field [0001] The invention relates to the technical field of semiconductors, in particular to an aromatic amine compound containing bis-dimethylfluorene in its structure and its application in organic electroluminescent devices. Background technique [0002] Organic electroluminescent (OLED: Organic Light Emission Diodes) device technology can be used to manufacture new display products and also can be used to make new lighting products, which is expected to replace the existing liquid crystal display and fluorescent lighting, and has a wide application prospect. The OLED light-emitting device is like a sandwich structure, including electrode material film layers and organic functional materials sandwiched between different electrode film layers. Various functional materials are superimposed on each other according to the application to form an OLED light-emitting device. OLED light-emitting devices are current devices. When a voltage is applied to the electrodes a...

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 Patents(China)
IPC IPC(8): C07D307/91C07C211/61C07D209/86C07D405/10C07D471/04C07D491/048C07D221/16C07D213/38C07D401/10C07D491/147C07D471/14C07D487/14C07D405/04H01L51/50H01L51/54
CPCC07D307/91C07C211/61C07D209/86C07D405/10C07D471/04C07D491/048C07D221/16C07D213/38C07D401/10C07D491/147C07D471/14C07D487/14C07D405/04C07C2603/18H10K85/633H10K85/615H10K85/631H10K85/654H10K85/6574H10K85/6572H10K85/657H10K50/00
Inventor 李崇赵四杰张兆超徐浩杰
Owner JIANGSU SUNERA TECH CO LTD
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