Beijing Summer Sprout Technology Co. Ltd.

Hualong Ding

Chi Yuen Raymond Kwong

Chuanjun Xia

Zhihao Cui

Xiao Chen

Renmao Liu

Juntao Hu

Renjie Zheng

Disclosed are a novel organic electroluminescent material and a device thereof. The organic electroluminescent material is a novel compound having the structure in Formula 1. The organic electroluminescent material has LUMO energy levels of different depths, can be used as a single hole injection material, and is also an excellent p-type dopant material, which is of great significance for the development of new high-performance hole injection materials. Also disclosed are an organic electroluminescent device comprising the novel compound and a compound composition comprising the novel compound.

Organic electroluminescent materials and devices

Disclosed are a novel organic electroluminescent material and a device thereof. Such a novel organic electroluminescent material has a structure of Formula 1, and when applied to the organic electroluminescent device, can improve the balance of electrons and holes in the organic electroluminescent device and thus bring excellent device effects such as the improvement of external quantum efficiency, current efficiency, and service life. The novel organic electroluminescent material can be used to prepare organic semiconductor devices and is suitable for different types of organic semiconductor devices, including but not limited to fluorescent OLEDs, phosphorescent OLEDs, white OLEDs, laminated OLEDs, OTFTs, OPVs, etc. Further disclosed are an electroluminescent device comprising the organic electroluminescent material and a compound formulation comprising the organic electroluminescent material.

An organic electroluminescent material is disclosed. The organic electroluminescent material is novel dehydro-fused-ring compounds with a structure of B(A), which may be used as charge transporting materials, charge injection materials, and the like in organic electroluminescent devices. Such novel compounds have very deep LUMO energy level, so they are excellent electron acceptor materials and charge transfer materials. They also have the potential to be excellent hole injection materials and p-dopant materials, and have broad industrial application prospects. An electroluminescent device and a compound formulation are also disclosed.

Organic electroluminescent materials and devices are disclosed. The organic electroluminescent materials are novel dehydrobenzodiimidazole or dehydrobenzodipyrrole or its analogous structure compounds, which can be used as charge transporting materials or charge injection materials or the like in an electroluminescent device. These novel compounds have deep LUMO energy level, and have better potential and excellent application prospecty in the field of charge-transporting materials, charge injection materials or the like. An organic electroluminescent device and a compound formulation are also disclosed.

Growing community of inventors

Beijing, China

Hualong Ding