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

Pyrene-containing organic compound and application in organic electroluminescent device

Pending Publication Date: 2020-09-15
JIANGSU SUNERA TECH CO LTD
View PDF4 Cites 6 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
  • Pyrene-containing organic compound and application in organic electroluminescent device
  • Pyrene-containing organic compound and application in organic electroluminescent device
  • Pyrene-containing organic compound and application in organic electroluminescent device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0113] Example 1: Synthesis of compound 12:

[0114]

[0115] In a 250ml three-necked flask, under the protection of nitrogen, add 0.01mol of raw material A-1, 0.012mol of intermediate B-1, 150ml of toluene and stir and mix, and then add 5×10 -5 molPd 2 (dba) 3 , 5×10 -5 mol P(t-Bu) 3 , 0.03mol sodium tert-butoxide, heated to 105℃, refluxed for 24 hours, sampling point plate, showed no bromide remaining, the reaction was complete; naturally cooled to room temperature, filtered, the filtrate was rotary evaporated to no distillate, and passed through a neutral silica gel column The target product was obtained with HPLC purity of 99.92% and yield of 79.3%. Elemental analysis structure (molecular formula C 52 H 33 NO): Theoretical value: C, 90.80; H, 4.84; N, 2.04; O, 2.33; Test value C, 90.81; H, 4.85; N, 2.04; O, 2.34. HPLC-MS: The molecular weight of the material is 687.26, and the measured molecular weight is 687.55.

Embodiment 2

[0116] Example 2: Synthesis of Compound 72:

[0117]

[0118] It was prepared according to the synthetic method of compound 12 in Example 1, except that intermediate B-2 was used instead of intermediate B-1; the elemental analysis structure (molecular formula C 58 H 37 NO): Theoretical value: C, 91.19; H, 4.88; N, 1.83; O, 2.09; Test value: C, 91.20; H, 4.21; N, 1.82; O, 2.07. HPLC-MS: The molecular weight of the material is 763.29, and the measured molecular weight is 763.62.

Embodiment 3

[0119] Example 3: Synthesis of compound 111:

[0120]

[0121] Prepared according to the synthetic method of compound 12 in Example 1, except that intermediate B-3 is used instead of intermediate B-1; the elemental analysis structure (molecular formula C 58 H 37 NO): Theoretical value: C, 91.19; H, 4.88; N, 1.83; O, 2.09; Test value: C, 91.22; H, 4.20; N, 1.82; O, 2.06. HPLC-MS: The molecular weight of the material is 763.29, and the measured molecular weight is 763.67.

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
Thicknessaaaaaaaaaa
Login to View More

Abstract

The invention relates to a pyrene-containing organic compound and application thereof, and belongs to the technical field of semiconductors, wherein the structure of the compound is represented by a general formula (1). The organic compound provided by the invention has relatively strong hole transport capability, and the hole injection and transport performance is improved under a proper HOMO energy level; under the proper LUMO energy level, the electron blocking effect is achieved, and the recombination efficiency of excitons in the light-emitting layer is improved; and when the compound used as a light-emitting functional layer material of an OLED light-emitting device, the branched chains in the range of the invention can be matched to effectively improve the exciton utilization rate and radiation efficiency, reduce the efficiency roll-off under high current density, reduce the device voltage, improve the current efficiency of the device and prolong the service life of the device.

Description

Technical field [0001] The present invention relates to the field of semiconductor technology, in particular to an organic compound containing pyrene and its application in organic electroluminescent devices. Background technique [0002] At present, OLED display technology has been applied in smart phones, tablet computers and other fields, and will further expand to large-size applications such as TVs. However, compared with actual product application requirements, OLED devices have performance such as luminous efficiency and service life. It needs further improvement. Research on improving the performance of OLED light-emitting devices includes: reducing the driving voltage of the device, improving the luminous efficiency of the device, and increasing the service life of the device. In order to achieve the continuous improvement of the performance of OLED devices, not only innovations in the structure and manufacturing process of OLED devices are required, but also continuous...

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): C07D307/91C07D491/048C07D491/147C07D405/12C07D405/14C07D333/76C07D209/86C07D209/88C07C211/61C07D221/16C07D213/74C07D221/20C07C211/54H01L51/50H01L51/54
CPCC07D307/91C07D491/048C07D491/147C07D405/12C07D405/14C07D333/76C07D209/86C07D209/88C07C211/61C07D221/16C07D213/74C07D221/20C07C211/54C07C2603/18C07C2603/50C07C2603/94C07C2603/40H10K85/624H10K85/625H10K85/622H10K85/615H10K85/626H10K85/654H10K85/6576H10K85/657H10K85/6572H10K85/6574H10K50/11H10K50/18H10K50/15
Inventor 唐丹丹李崇吴秀芹谢丹丹王芳
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