Beijing Summer Sprout Technology Co. Ltd.

Xueyu Lu

Qi Zhang

Han Zhang

Chi Yuen Raymond Kwong

Chuanjun Xia

Xinfang Hao

Dongdong Zhang

Cuifang Zhang

Zhihong Dai

Nannan Lu

Yongjun Wu

Renmao Liu

Weizhou Huang

Provided is an organic light-emitting material. The organic light-emitting material is a metal complex having a ligand with a structure of Formula 1 or Formula 1'. The metal complex can be used as a light-emitting material in an electroluminescent device. These novel metal complexes can effectively adjust a light-emitting color to deep red, can improve external quantum efficiency of devices while maintaining a relatively narrow FWHM, and can provide better device performance. Further provided are an electroluminescent device and a compound formulation.

Organic light emitting material

Provided is an organic light-emitting material. The light-emitting material is a series of metal complexes containing a ligand(s) based on isoquinoline which is substituted with deuterium at 3- and 4-position and a ligand(s) based on acetylacetone. The compounds can be used as the light-emitting material in an emissive layer of an organic electroluminescent device. These novel compounds can provide better device performance. Further provided are an electroluminescent device and a compound combination including the light-emitting material.

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Beijing, China

Xueyu Lu