Nitrogen-containing compound, and electronic component and electronic device using same

A technology of nitrogen compounds and chemical bonds, applied in electrical components, electrical solid devices, circuits, etc., can solve the problems of light-emitting device performance degradation, shortened life, and reduced luminous efficiency, so as to improve stability, prolong life, and improve glass transition The effect of temperature

Active Publication Date: 2020-12-22
SHAANXI LIGHTE OPTOELECTRONICS MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, there are problems such as reduced luminous efficiency and shortened lifespan during the use of organic electroluminescent devices, resulting in a decline in the performance of organic electroluminescent devices

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Synthetic example

[0122] Synthesis of intermediates

[0123]

[0124] To a dry and nitrogen-purged round-bottom flask, add 1-bromo-2-iodo-3-chlorobenzene (50.0 g, 157.5 mmol), phenylboronic acid (19.2 g, 157.5 mmol), tetrakis(triphenylphosphine) Palladium (9.1g, 7.8mmol), tetrabutylammonium bromide (2.5g, 7.8mmol), potassium carbonate (65.2g, 472.6mmol), toluene (400mL), ethanol (200mL), deionized water (100mL), With stirring, the temperature was raised to 75°C and kept for 8h; then the reaction mixture was cooled to room temperature, deionized water (200mL) was added, stirred for 15 minutes, the organic phase was separated, anhydrous magnesium sulfate was added to dry, and the solvent was removed under reduced pressure; The crude product was purified by silica gel column chromatography using dichloromethane / n-heptane (1:3) as mobile phase to obtain intermediate SM-D (35.8g, yield 85%).

[0125] To a dry and nitrogen-substituted round-bottomed flask, add SM-D (35.8g, 133.8mmol), tetrahydrof...

Embodiment 1

[0178] Embodiment 1: green organic electroluminescent device

[0179] The anode was prepared by the following process: the thickness of ITO was The substrate (manufactured by Corning) was cut into a size of 40mm × 40mm × 0.7mm, and it was prepared into an experimental substrate with cathode, anode and insulating layer patterns by using a photolithography process, using ultraviolet ozone and O 2 :N 2 Plasma surface treatment was performed to increase the work function of the anode (experimental substrate) and to remove scum.

[0180] F4-TCNQ was vacuum evaporated on the experimental substrate (anode) to form a thickness of The hole injection layer (HIL), and NPB is evaporated on the hole injection layer to form a thickness of hole transport layer.

[0181] Compound 1 was vacuum evaporated on the hole transport layer to form a thickness of electron blocking layer.

[0182] On the electron blocking layer, GH-n1:GH-n2:Ir(ppy) 3 Carry out co-evaporation with the ratio of...

Embodiment 2- Embodiment 40

[0186] When forming the electron blocking layer, the compounds shown in Table 12 were used instead of Compound 1 in Example 1, and an organic electroluminescent device was fabricated by the same method as in Example 1.

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PUM

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Abstract

The invention belongs to the technical field of organic materials, and particularly relates to a nitrogen-containing compound, an electronic component and an electronic device using the same. When thecompound provided by the invention is used as an electron blocking layer for preparing an organic light-emitting device, the service life of the organic light-emitting device can be effectively prolonged, and the light-emitting efficiency or the driving voltage is improved to a certain extent.

Description

technical field [0001] The application belongs to the technical field of organic materials, and specifically provides a nitrogen-containing compound and electronic components and electronic devices using the same. Background technique [0002] With the development of electronic technology and the progress of material science, the application range of electronic components for realizing electroluminescence or photoelectric conversion is becoming wider and wider. Such electronic components generally include a cathode and an anode oppositely arranged, and a functional layer arranged between the cathode and the anode. The functional layer is composed of multiple organic or inorganic film layers, and generally includes an energy conversion layer, a hole transport layer located between the energy conversion layer and the anode, and an electron transport layer located between the energy conversion layer and the cathode. [0003] Taking an organic electroluminescent device as an ex...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07D209/88C07D405/12C07D409/12H01L51/50H01L51/54
CPCC07D209/88C07D405/12C07D409/12C07D209/86H10K85/624H10K85/615H10K85/6576H10K85/6574H10K85/6572H10K85/636H10K85/654C07D401/04H10K85/622C07D409/14C07D211/54H10K85/633C07D307/91H10K85/631H10K50/15C07D333/76H10K50/156H10K85/626C07D405/14H10K50/181
Inventor 马天天杨敏南朋
Owner SHAANXI LIGHTE OPTOELECTRONICS MATERIAL CO LTD
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