An organic photoelectric functional material and an organic electroluminescent device prepared by using the same

A photoelectric functional material and organic technology, applied in luminescent materials, electric solid devices, organic chemistry, etc., can solve problems such as short life and restrictions on the application of OLED white light devices

Active Publication Date: 2022-02-08
JILIN YUANHE ELECTRONICS MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the field of TV panels and lighting, high-efficiency and long-life white light can be obtained through complementary colors, but the short life of dark blue light materials with a large energy band gap has always restricted the further application of OLED white light devices.

Method used

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  • An organic photoelectric functional material and an organic electroluminescent device prepared by using the same
  • An organic photoelectric functional material and an organic electroluminescent device prepared by using the same
  • An organic photoelectric functional material and an organic electroluminescent device prepared by using the same

Examples

Experimental program
Comparison scheme
Effect test

preparation Embodiment 1

[0078] Table 1. Preparation of Example Product Data Summary:

[0079]

[0080] 1,2-benzoquinone or acenaphthenequinone or phenanthrenonequinone or 1,10-phenanthroline-5,6-dione and 2-bromopyridine-3,4diamine and / or 5-bromopyridine-3,4 Diamine was added in acetic acid according to the molar ratio of 1:1, refluxed for 6 hours, and after cooling to room temperature, the reaction solution was poured into water, filtered, and the filter cake was washed with water and methanol respectively, and the gained filter cake was vacuum-dried to obtain 1 - and / or 4-bromobenzopyridopyrazines.

[0081] The 1- and / or 4-bromobenzopyridopyrazine and the intermediate reactant are reacted in one step or two steps of the same type according to the molar ratio of 1:1.1 under the protection of nitrogen, in tetrahydrofuran and water with potassium carbonate, tetrahydrofuran (Triphenylphosphine) palladium was refluxed for 24 hours, then cooled to room temperature, the reaction solution was filtered,...

preparation Embodiment 2

[0094] Table 2. Preparation of Example Product Data Summary:

[0095]

[0096]

[0097]

[0098]

[0099] 1,2-benzoquinone or acenaphthenequinone or phenanthrenonequinone or 1,10-phenanthroline-5,6-dione and 2-bromopyridine-3,4diamine and / or 5-bromopyridine-3,4 Diamine was added in acetic acid according to the molar ratio of 1:1, refluxed for 6 hours, and after cooling to room temperature, the reaction solution was poured into water, filtered, and the filter cake was washed with water and methanol respectively, and the gained filter cake was vacuum-dried to obtain 1 - and / or 4-bromobenzopyridopyrazines.

[0100] The 1- and / or 4-bromobenzopyridopyrazine and the intermediate reactant are reacted in one step or two steps of the same type according to the molar ratio of 1:1.1 under the protection of nitrogen, in tetrahydrofuran and water with potassium carbonate, tetrahydrofuran (Triphenylphosphine) palladium was refluxed for 24 hours, then cooled to room temperature,...

preparation Embodiment 3

[0113] Table 3. Preparation of Example Product Data Summary:

[0114]

[0115]

[0116]

[0117]

[0118] 1,2-benzoquinone or acenaphthenequinone or phenanthrenonequinone or 1,10-phenanthroline-5,6-dione and 2-bromopyridine-3,4diamine and / or 5-bromopyridine-3,4 Diamine was added in acetic acid according to the molar ratio of 1:1, refluxed for 6 hours, and after cooling to room temperature, the reaction solution was poured into water, filtered, and the filter cake was washed with water and methanol respectively, and the gained filter cake was vacuum-dried to obtain 1 - and / or 4-bromobenzopyridopyrazines.

[0119] 1- and / or 4-bromobenzopyridopyrazine and the intermediate reactant are reacted in one step or two steps of the same type according to the molar ratio of 1:1.1 under the protection of nitrogen, in o-dichlorobenzene with carbonic acid Cesium, bis(dibenzylideneacetone)palladium and tri-tert-butylphosphine were added and heated to reflux for 24 hours, then coo...

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Abstract

An organic optoelectronic functional material based on an aromatic ring pyridopyrazine structure as the core, and a long-life, high-efficiency organic electroluminescent device prepared by using it as an electron transport material and a thermally activated delayed red light guest material, belonging to organic optoelectronics Technical field of functional materials. Its structural general formula is as shown in (I), R 1 , R 2 for C 6 ~C 14 Aryl or R a Replaced C 6 ~C 14 Aryl, 5‑ to 24‑membered heteroaryl, or R a Substituted 5- to 24-membered heteroaryl, aromatic amino or R a Substituted aromatic amino group; ring A is acene ring group, acenaphthylene ring group, aphenanthrene ring group or azaphenanthrene ring group or 1,10-azaphenanthrene ring group.

Description

technical field [0001] The invention belongs to the technical field of organic photoelectric functional materials, and specifically relates to an organic photoelectric functional material based on an aromatic ring pyridopyrazine structure as a mother nucleus, and an organic photoelectric functional material using it as an electron transport material and a heat-activated red light delay material. Light emitting devices. Background technique [0002] Organic Light Emitting Diode (OLED) has the advantages of high efficiency, low turn-on voltage, wide viewing angle, etc., and has become a new generation of display and lighting technology. With the wide application of OLEDs in smart phones, TVs, wearables and other display fields, the three East Asian countries (China, Japan, South Korea) have invested trillions of yuan in OLED panel production lines in the past ten years or so. Although OLED materials and devices have received extensive research and attention in the scientific ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07D471/04C07D471/22C07D519/00C09K11/06H01L51/54
CPCC07D471/04C07D471/22C07D519/00C09K11/06C09K2211/1011C09K2211/1014C09K2211/1029C09K2211/1033C09K2211/1037C09K2211/1044C09K2211/1059C09K2211/1074H10K85/636H10K85/626H10K85/633H10K85/631H10K85/615H10K85/657H10K85/6572
Inventor 李成龙王悦张佐伦
Owner JILIN YUANHE ELECTRONICS MATERIALS CO LTD
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