Shaanxi Lighte Optoelectronics Material Co., Ltd.

Jinping Wang

Zhen Xue

Yu Zhao

Wen Zhang

Zhiwei Chen

Provided are a nitrogen-containing organic compound, the use thereof, and an organic electroluminescent device using same. The nitrogen-containing organic compound has a chemical structure with pyridoquinazoline as the center, wherein one side is connected with an aryl-containing group, the other side is connected with other aryl groups having an electron transport performance, thereby forming a small molecule OLED material with an asymmetric structure, which has a good film-forming property. The molecule contains large rigid groups, and has a high thermal stability. When the nitrogen-containing organic compound is applied in OLED devices as an electron transport material, good device performances and a low voltage can be achieved.

Nitrogen-containing organic compound, use thereof, and organic electroluminescent device using same

A heterocyclic compound as shown in Formula 1, an organic electroluminescent device and an electronic device, belong to the technical field of organic electroluminescence. The heterocyclic compound can improve the performance of an organic electroluminescent device.

Heterocyclic compound, organic electroluminescent device, and electronic device

The present disclosure relates to an organic compound, wherein the organic compound has a structure represented by Formula (1): wherein Ar, Arand Arare the same or different, and are each independently selected from a substituted or unsubstituted aryl having 6 to 30 carbon atoms or a substituted or unsubstituted heteroaryl having 3 to 30 carbon atoms, or a structure represented by Formula (2); and at least one of Ar, Arand Arhas a structure represented by Formula (2); represents a chemical bond. The organic compound of the present disclosure has high thermal stability and glass transition temperature, and can improve the luminous efficiency of an organic electroluminescent device and prolong the service life of the device when used as an electron transport layer material of the organic electroluminescent device.

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Xi'an, China

Jinping Wang