Unlock instant, AI-driven research and patent intelligence for your innovation.

Thermally activated delayed fluorescence material, synthesis method thereof and electroluminescent device

A technology of thermally activated delayed and fluorescent materials, applied in the fields of luminescent materials, electric solid-state devices, chemical instruments and methods, etc., can solve the problems of poor device performance and large triple energy level difference.

Inactive Publication Date: 2020-07-07
WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to solve the technical problem that the lowest singlet state and triplet energy level difference of the long-wavelength thermally activated delayed fluorescent material in the prior art is relatively large, and the performance of the device is not good.

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
  • Thermally activated delayed fluorescence material, synthesis method thereof and electroluminescent device
  • Thermally activated delayed fluorescence material, synthesis method thereof and electroluminescent device
  • Thermally activated delayed fluorescence material, synthesis method thereof and electroluminescent device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Apparently, the described embodiments are only some of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of this application.

[0029] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, It is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constr...

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 discloses a thermally activated delayed fluorescence material, a synthesis method thereof and an electroluminescent device. The thermally activated delayed fluorescence material is a target compound synthesized by reaction of an electron donor and an electron acceptor, the target compound is a Dn-A molecular structure, and n is 1 or 2 or 3; D in the molecular structure is an electrondonor, and A is an electron acceptor. The preparation method has the technical effects that the proportion of the thermally activated delayed fluorescence material in the whole synthesized product ishigh, and the photoluminescence quantum yield is high.

Description

technical field [0001] The invention relates to the display field, in particular to a thermally activated delayed fluorescent material, a synthesis method thereof, and an electroluminescent device. Background technique [0002] Organic light-emitting diode (organic lighting-emitting diode, OLED), due to active light emission, large viewing angle, fast response speed, wide temperature range, low driving voltage, low power consumption, high brightness, simple production process, light and thin, and can The advantages of flexible display have shown great application prospects in the fields of OLED display and lighting, attracting the attention of researchers and companies. Currently, Samsung and LG have implemented OLED applications in mobile phones. [0003] In OLED, the pros and cons of the light-emitting layer material will play a decisive role in whether the OLED can be industrialized. The usual light-emitting layer material consists of host and guest light-emitting mater...

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): C07C225/22C07C221/00C09K11/06H01L51/50H01L51/54
CPCC07C225/22C07C221/00C09K11/06C09K2211/1007C09K2211/1011H10K85/624H10K85/631H10K50/11
Inventor 王彦杰
Owner WUHAN CHINA STAR OPTOELECTRONICS SEMICON DISPLAY TECH CO LTD