An organic electroluminescence device including: a cathode; an anode; and at least one emitting layer disposed between the cathode and the anode, wherein the emitting layer contains a first host material, a second host material, and a dopant material, wherein the first host material is a compound represented by the following formula (1), the second host material is a compound represented by the following formula (2), and the first host material and the second host material are different compounds.

##STR00001##

A fused ring compound and applications thereof in organic electronic components, particularly in organic electroluminescent diodes; an organic electronic component comprising the fused ring compound, and applications thereof in organic electroluminescent diodes and in display and lighting technologies; and a formulation comprising the fused ring compound, and applications thereof in the preparation of organic electronic components. By optimizing the component structure, good component performance can be achieved, and especially, a high-performance OLED component can be implemented, which provide good material and preparation technology choices for full-color display and lighting applications.

A nitrogen-containing compound as shown in Chemical formula (1), an electronic element, and an electronic device are provided. In Chemical formula (1), Ar.sub.1 and Ar.sub.2 are selected from a substituted or unsubstituted C6 to C30 aryl, a substituted or unsubstituted C3 to C30 heteroaryl, or a substituted or unsubstituted C3 to C20 cycloalkyl; Ar.sub.3 is selected from a substituted or unsubstituted C6 to C20 aryl, or a substituted or unsubstituted C3 to C20 heteroaryl.

##STR00001##

A nitrogen-containing compound as shown in Chemical formula (1), an electronic element, and an electronic device are provided. In Chemical formula (1), Ar.sub.1 and Ar.sub.2 are selected from a substituted or unsubstituted C6 to C30 aryl, a substituted or unsubstituted C3 to C30 heteroaryl, or a substituted or unsubstituted C3 to C20 cycloalkyl; Ar.sub.3 is selected from a substituted or unsubstituted C6 to C20 aryl, or a substituted or unsubstituted C3 to C20 heteroaryl.

##STR00001##

The present disclosure relates to an aromatic amine derivative represented by general formula (I). ##STR00001## The aromatic amine derivative has fluorescence emission at a short light emission wavelength, and the light-emission spectrum of the aromatic amine derivative has a narrow half-peak width, and accordingly, the material has deep-blue fluorescence emission and has a very-high light emission efficiency. An organic electroluminescent component prepared by using the aromatic amine derivative has deep-blue color coordinates, a high light emission efficiency and a long life-span.

The present disclosure relates to an aromatic amine derivative represented by general formula (I). ##STR00001## The aromatic amine derivative has fluorescence emission at a short light emission wavelength, and the light-emission spectrum of the aromatic amine derivative has a narrow half-peak width, and accordingly, the material has deep-blue fluorescence emission and has a very-high light emission efficiency. An organic electroluminescent component prepared by using the aromatic amine derivative has deep-blue color coordinates, a high light emission efficiency and a long life-span.

Tetraphenylene triarylamine compounds are disclosed, which are novel triarylamine compounds containing tetraphenylene building block. The compounds can be used as charge transporting materials, hole transporting materials, hole injection materials, electron blocking materials, etc., in an electroluminescent device. These novel compounds have good sublimation characters, and can offer more controllable charge transporting performance and good OLED device performance. Also disclosed are an organic electroluminescent device and a formulation.

Tetraphenylene triarylamine compounds are disclosed, which are novel triarylamine compounds containing tetraphenylene building block. The compounds can be used as charge transporting materials, hole transporting materials, hole injection materials, electron blocking materials, etc., in an electroluminescent device. These novel compounds have good sublimation characters, and can offer more controllable charge transporting performance and good OLED device performance. Also disclosed are an organic electroluminescent device and a formulation.

The present specification relates to an ink composition including: a compound represented by Formula 1; and a solvent represented by the Formula 2, and a method for manufacturing an organic light emitting device formed by using the ink composition.

The present specification relates to an ink composition including: a compound represented by Formula 1; and a solvent represented by the Formula 2, and a method for manufacturing an organic light emitting device formed by using the ink composition.