Abstract: The present invention relates to a binuclear metal platinum complex and application thereof. The binuclear metal platinum complex is a compound having a structure of a chemical formula (I). The compound is applied in an organic light-emitting diode, has lower driving voltage and higher luminous efficiency, and can significantly improve the service life of a device, thus having the potential of being applied in the field of display panels. The present invention further provides an organic light-emitting diode including a cathode, an anode, and an organic layer. The organic layer is one or more of a hole injection layer, a hole transport layer, a light-emitting layer, a hole blocking layer, an electron transport layer, and an electron injection layer. At least one of the organic layers includes the compound of the structural formula (I).

Abstract: The present disclosure relates to an organometallic compound and application thereof. The organometallic compound has a structure as shown in a formula (1). The compound provided by the present disclosure has the advantages of high optical and electrochemical stability, small half-peak width of emission spectrum, high color saturation, high luminous efficiency and long device service life, and can be used in organic electroluminescent devices. In particular, the compound has the potential for application in the AMOLED industry as a green light-emitting dopant.

Abstract: The present invention relates to a metal complex and application thereof. The metal complex has a general formula of Ir(La)(Lb)(Lc) and a structure as shown in a formula (1). The metal complex has the advantages of low sublimation temperature, good optical and electrical stability, high luminous efficiency, long service life, and high color saturation, and can be used in organic light-emitting devices. The metal complex can particularly serve as a red light-emitting phosphorescent material, and has the potential of being applied in the AMOLED industry.

Abstract: The present invention relates to a platinum complex having an ONCN tetradentate ligand and containing carbazole, and the platinum complex has a structure as shown in a formula (I). The complex has bright green light emission wavelengths, and can be used in the field of OLED organic electroluminescent materials. By means of the structural design, the present invention can improve the heavy atomic effect of phosphorescent materials, enhance spin-spin coupling, and achieve high-efficiency conversion of T1-S0, thereby achieving high luminous efficiency. Moreover, a platinum complex molecule having an ONCN tetradentate ligand has simple synthetic steps and may modifiable sites. The steric hindrance added by the carbazole group contained can effectively reduce the aggregation effect between molecules, avoid the formation of an exciplex, and further improve the color purity and the luminous efficiency.

Abstract: The present invention relates to a bivalent platinum complex having a structure as shown in a formula (I). The complex has bright green light emission wavelengths, and can be used in the field of OLED organic electroluminescent materials. By means of the structural design, the present invention can improve the heavy atomic effect of phosphorescent materials, enhance spin-spin coupling, and achieve high-efficiency conversion of T1-S0, thereby achieving high luminous efficiency. Furthermore, a platinum complex molecule having an ONCN tetradentate ligand has the advantages of simple synthetic steps, relatively easy coordination and the like, and has may modifiable sites, which can be used for adjusting PL light emission wavelengths and thermal stability. The steric hindrance added by a carbazole group contained can effectively reduce the aggregation effect between molecules, avoid the formation of an exciplex, and further improve the color purity and the luminous efficiency.

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: 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 a metal complex and application thereof. The metal complex has a general formula of Ir(La)(Lb)(Lc), and includes a structure as shown in the following formula (1) as a ligand La. The metal complex provided in the present invention has the advantages of high optical and electrical 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 red light-emitting phosphorescent material.

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

Abstract: The present invention relates to preparation and application of a novel quadridentate platinum (II) complex, and belongs to the field of OLED organic electroluminescent materials. The complex of the present invention has NCNC chelating coordination, a stable structure, a spiro ring structure in the skeleton, a strong molecular stereoscopic property, and weak intermolecular interaction, so that mutual stacking between complex molecules is avoided, the formation of an excimer is greatly inhibited, and thus the efficiency of an OLED device is improved. The complex of the present invention has high fluorescence quantum efficiency, great thermal stability and low quenching constant, and can be used for manufacturing a red-light OLED device with high luminescence efficiency and low roll-off.

Abstract: The present invention relates to an ONCN quadridentate ligand-containing platinum complex and application thereof in an organic light-emitting diode. The platinum complex is a compound having the structure as shown in a chemical formula (I). When the compound is applied to an organic light-emitting diode, low driving voltage and high luminescence efficiency are achieved, and the service life of a device can be significantly prolonged. The complex has a potential to be applied in the field of organic electroluminescent devices. The present invention further provides an organic electroluminescent device. The device includes a cathode, an anode, and an organic layer. The organic layer is one or more of a hole injection layer, a hole transport layer, a light-emitting layer, a hole blocking layer, an electron transport layer, and an electron injection layer, in which at least one of the layers includes the compound as shown in the structural formula (I).

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 application thereof. The compound has a structure as shown in Formula I. The compound provided by the present invention has the advantages of being low in sublimation temperature, good in photo-stability and electrical stability, high in luminous efficiency, long in service life, and high in color saturation and the like, and can be applied to an organic light emitting device, particularly as a red luminous phosphorescent material, and has the possibility of being applied to the AMOI ED industry.

Abstract: The present invention relates to a platinum metal complex and an application thereof in an organic light-emitting device. The platinum metal complex is a compound having a structure of chemical formula (I). An organic light-emitting device to which the compound is applied has a relatively low driving voltage, a relatively high luminous efficiency and improved service life to a certain extent; therefore, the complex has the potential of being applied in the field of organic light-emitting devices. Also provided is an organic light-emitting device, including a cathode, an anode, and an organic layer. The organic layer is one or more of a hole injection layer, a hole transport layer, a light-emitting layer, a hole blocking layer, an electron transport layer, and an electron injection layer; and at least one layer in the organic layer contains the compound of structural formula (I).

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.

Abstract: The present invention relates to the preparation of a novel tetradentate platinum (II) complex and an application thereof, belonging to the field of OLED organic electroluminescent materials. The complex of the present invention has the following structural formula, and is used for a phosphorescent doping material having a photon emission effect in a light-emitting layer of an OLED luminescent device. The complex of the present invention has a high fluorescence quantum efficiency, a good heat stability and a low quenching constant, and can be used for the manufacture of a green light OLED device with a high luminous efficiency and low roll-off.

Abstract: The present invention relates to the preparation and application of an O?C?N?N tetradentate platinum (II) complex. The complex of the present invention has a structure as shown in Formula (I) below. Compared with a reference device, the organic light-emitting device prepared by the present invention has better performance improvement, and the novel O?C?N?N tetradentate platinum (II) complex has great application value. The tetradentate platinum (II) complex involved in the present invention is based on a carbazole framework, and has a large ?-conjugated rigid planar structure, which can greatly reduce non-radiative energy dissipation such as intramolecular rotation and vibration, and is conducive to improving the luminous efficiency and performance of the platinum (II) complex.

Abstract: The present invention relates to a metal complex having a structure of chemical formula (I). The metal complex is applied to an organic light-emitting device which emits deep red or near-infrared light, and shows a lower driving voltage and higher luminous efficiency, and has greatly prolonged service life. Therefore, the metal complex has the potential of being applied in the field of organic light-emitting devices. Also provided is an organic light-emitting device, including a cathode, an anode, and an organic layer. The organic layer is one or more of a hole injection layer, a hole transport layer, a light-emitting layer, a hole blocking layer, an electron transport layer, and an electron injection layer; and at least one layer in the organic layer contains the compound of structural formula (I).

Abstract: The present invention relates to an organometal-complex luminescent material which has a structural formula (I), wherein A, B and C refer to substituted or unsubstituted C, N, O and S atoms independently; a dashed ring for linkage between A and B atoms refers to a substituted or unsubstituted conjugated ring structure; L1, L2, L3 and L4 are single bonds or double bonds independently, wherein L3 and L4 are part of the conjugated ring structure for linkage between A and B atoms; X, X1, Y and Y1 are C, N, O and S atoms independently; Ar1 and Ar2 are substituted or unsubstituted conjugated ring structures independently; M refers to Pt, W and Au atoms. An organometal complex in the luminescent material is high in fluorescence quantum efficiency and heat stability and low in quenching constant and can be used for manufacturing high-efficiency and low-efficiency roll-off red-light OLEDs.

Abstract: The present invention relates to a device containing an organometal-complex luminescent material. The device comprises a luminescent layer. The luminescent layer contains an organometal complex which has a structural formula (I), wherein A, B and C refer to substituted or unsubstituted C, N, O and S atoms independently; a dashed ring for linkage between A and B atoms refers to a substituted or unsubstituted conjugated ring structure; L1, L2, L3 and L4 are single bonds or double bonds independently, wherein L3 and L4 are part of the conjugated ring structure for linkage between A and B atoms; X, X1, Y and Y1 are C, N, O and S atoms independently; Ar1 and Ar2 are substituted or unsubstituted conjugated ring structures independently; M refers to Pt, W and Au atoms. An organometal complex in the luminescent material is high in fluorescence quantum efficiency and heat stability and low in quenching constant and can be used for manufacturing high-efficiency and low-efficiency roll-off red-light OLEDs.