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

Derivative containing benzo-carbazole structure, preparation method of derivative and organic electroluminescence device

An electroluminescent device, benzocarbazole technology, applied in the field of organic photoelectric materials, can solve the problems that cannot be improved, and the luminous efficiency is reduced.

Inactive Publication Date: 2018-02-02
CHANGCHUN HYPERIONS TECH CO LTD
View PDF1 Cites 5 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the triplet deactivation dominates in the high-brightness region, the decrease in luminous efficiency cannot be improved under the conditions of the currently applied hole-transport materials.

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
  • Derivative containing benzo-carbazole structure, preparation method of derivative and organic electroluminescence device
  • Derivative containing benzo-carbazole structure, preparation method of derivative and organic electroluminescence device
  • Derivative containing benzo-carbazole structure, preparation method of derivative and organic electroluminescence device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Preparation of compound TM1

[0047]

[0048] Preparation of 1-3

[0049] Under the protection of nitrogen, compound 1-1 (6.89g, 31.75mmol), 1-2 (9.08g, 31.75mmol), potassium carbonate (4.39g, 31.75mmol), and toluene 200mL were added into a 2L reactor and stirred. The temperature in the reactor was raised to 70°C, and Pd(PPh 3 ) 4 (1.04g, 0.90mmol), stirred with 100mL distilled water, stirred and refluxed for 11h, fully reacted. After adding 70mL of distilled water to stop the reaction, filter under reduced pressure, wash the solid with distilled water, and then use acetone, toluene, THF to recrystallize. After the solid is obtained, sublimate and recrystallize from toluene to obtain 9.08g of 1-3 with a yield of 75.60%.

[0050] Preparation of 1-4

[0051] In a 250ml three-necked flask, add 1-3 (9.08g, 31.75mmol), the solvent o-dichlorobenzene, and 200ml triethyl phosphite, and heat the solution to 150°C for 15h. The solvent and excess triethyl phosphite were di...

Embodiment 2

[0061] Preparation of Compound TM7

[0062]

[0063] R in Example 1 1 , R 2 and Ar 1 、Ar 2 The group is replaced by R as indicated above 1 , R 2 and Ar 1 、Ar 2 Group, other steps are the same as in Example 1 to obtain compound TM3. Mass Spectrum m / z: 637.25 (calculated: 637.26).

Embodiment 3

[0065] Preparation of compound TM12

[0066]

[0067] R in Example 1 1 , R 2 and Ar 1 、Ar 2 The group is replaced by R as indicated above 1 , R 2 and Ar 1 、Ar 2 Group, other steps are the same as in Example 1 to obtain compound TM12. Mass Spectrum m / z: 1110.40 (calculated: 1110.41).

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 provides a derivative containing a benzo-carbazole structure, a preparation method of the derivative and an organic electroluminescence device, and belongs to the technical field of organic photoelectric materials. The derivative has the structure as shown in a formula (I). Hole moving degree is improved by the aid of the benzo-carbazole structure, hole transfer and light-emitting effects of the derivative are maximized, the derivative containing the benzo-carbazole structure is prepared into the device, and the device has excellent light-emitting efficiency.

Description

technical field [0001] The invention relates to the technical field of organic photoelectric materials, in particular to a derivative containing a benzocarbazole structure, a preparation method thereof, and an organic electroluminescence device. Background technique [0002] With the progress of the information industry, traditional displays can no longer meet people's requirements, such as: cathode ray tube (CRT) displays have large volume and high driving voltage; liquid crystal displays (liquid crystal display, LCD) have low brightness and narrow viewing angles. , The operating temperature range is small; the plasma display panel (PDP) is expensive, the resolution is not high, and the power consumption is large. [0003] Organic light-emitting diodes (organic light-emitting diodes, OLEDs) as a new display technology has unparalleled advantages in various performances of existing display technologies, such as full solid state, self-luminous, high brightness, high resolutio...

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): C07D209/80C07D401/12C07D409/12C07D209/88C07D405/12C07D401/14C07D409/14C07D405/14C07D401/04C09K11/06H01L51/50H01L51/54
CPCC09K11/06C07D209/80C07D209/88C07D401/04C07D401/12C07D401/14C07D405/12C07D405/14C07D409/12C07D409/14C09K2211/1092C09K2211/1088C09K2211/1011C09K2211/1007C09K2211/1022C09K2211/1014C09K2211/1029H10K85/622H10K85/624H10K85/626H10K85/636H10K85/633H10K85/615H10K85/6576H10K85/6574H10K85/6572H10K50/11
Inventor 张弘蔡辉
Owner CHANGCHUN HYPERIONS 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