Abstract: The present disclosure relates to a metal complex and use thereof. The metal complex has a structure as shown in a formula (1). The metal complex provided by the present disclosure has advantages of good optical, electrical and thermal stability, high luminous efficiency, long service life, high color saturation and the like, can be used in an organic light-emitting device, particularly can be used as a green light-emitting phosphorescent material, and is possible to be used in the active-matrix organic light-emitting diode (AMOLED) industry.

Abstract: The present invention relates to a quadridentate metal complex and application thereof. The quadridentate metal complex has a structure as shown in the following formula (1). The quadridentate metal complex provided in the present invention has the advantages of great optical, electrical, and thermal stability, high luminescence efficiency, long service life, and high color saturation, and can be used in organic light-emitting devices. In particular, the metal complex has the potential for application in the AMOLED industry as a green light-emitting phosphorescent material.

Abstract: The present disclosure relates to a spiro compound and application thereof. The spiro compound has a structure as shown in a formula (1). The material provided in the present disclosure has advantages such as high optical and electrical stability, low sublimation temperature, low drive current, low lateral mobility of carriers, high luminous efficiency, and long service life of a device, and can be used in an organic electroluminescent device. In particular, the compound has the possibility of being applied in the AMOLED industry as a hole injection or transport material.

Abstract: Provided in the present invention are a compound and application thereof. The compound of the present invention has a structure as shown in the formula (1). The compound obtained in the present invention by connecting phenanthrene and fluoranthene groups via nitrogen has the advantages of great optical, electrical, and thermal stability, high luminescence efficiency, low electric voltage, and long service life, and can be used in organic electroluminescent devices. In particular, the compound has the potential for application in the AMOLED industry as an electron blocking layer material or a hole transport layer material.

Abstract: The present invention relates to an imidazopyridine-based arylamine compound and an application thereof. The compound has a structure as shown in Formula I. The compound of the present invention has the advantages such as, a low sublimation temperature, a good thermal stability, a high refractive index, and a small refractive index difference in the visible light region, and can be used as a light extraction layer material for use in an organic light-emitting device.

Abstract: The present invention relates to a compound and an organic light-emitting device containing the compound. The compound has a structure as shown in Formula (1), where X is selected from the group consisting of: O, S, Se, CR3R4, SiR5R6, GeR7R8 and BR9. The compound can be used in organic light-emitting devices, particularly as a host material or a hole blocking layer material in an emitting layer of a device or both as the host material and hole blocking layer material simultaneously. Moreover, the compound can provide a higher luminous efficiency for a device, especially has the advantages such as a longer service life of a device, and has the possibility to be applied to the AMOLED industry.