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 a heterocyclic compound and an organic electroluminescent device. The compound has the structure of formula (1), wherein X1, X2, and X3 are each independently selected from N or CR5, and at least one of X1 to X3 is N. The compound can be used to prepare N-type charge generation layer of OLED, which can effectively reduce device power consumption, improve luminous efficiency, and extend device lifetime, and has the potential to be applied in the AMOLED industry.

Abstract: The present invention relates to an organometallic compound and application thereof. The organometallic compound has a general formula of Ir(La)(Lb)(Lc), where La is a structure represented by Formula (1), and Lb is a structure represented by Formula (2). The compound provided by the present invention has the advantages of high optical and electrical stability, low sublimation temperature, narrow emission half-peak width, high color saturation, high luminous efficiency, long device service life and the like, and can be used in organic electroluminescent devices. In particular, the compound has the potential for application in the AMOLED industry as a red light-emitting dopant.

Abstract: Provided are a spiro compound comprising an asymmetric alkyl substitution and an organic electroluminescent device. The spiro compound has a structure represented by formula (1). The material exhibits advantages such as high photoelectric stability, low sublimation temperature, low driving voltage, low lateral carrier mobility, high luminous efficiency, and long device service life, making it suitable for use in organic electroluminescent devices. Additionally, the material has a lower melting point, which enhances evaporation stability when utilized as a melt-processable material. The compound, particularly as a hole injection and transport material, has potential applications in the AMOLED industry.

Abstract: The present application relates to a metal iridium complex and an organic electroluminescent device. The metal iridium complex has a general formula of Ir(La)(Lb)(Lc), the structure thereof being shown as a formula (1). The metal iridium complex provided by the present application has the advantages of low evaporation deposition temperature, high optical and electrochemical stability, narrow half-peak width, high color saturation, high light-emitting efficiency, long device service life and the like. Therefore, the metal iridium complex can be used in organic light-emitting devices, particularly used as a red light-emitting phosphorescent material, and has the possibility of being applied to the AMOLED industry.

Abstract: A metal complex and an electroluminescent device. The metal complex has a general formula of Ir(La)(Lb)(Lc), the structure of which is represented by formula (1). The metal complex has the advantages of a low evaporation temperature, high photochemical and electrochemical stability, a narrow half-peak width, a high color saturation, a high light-emitting efficiency, a long device service life, etc., can be used in an organic light-emitting device and especially used as a red light-emitting phosphorescent material, and has the potential of being applied to the AMOLED industry.

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 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 disclosure relates to a metal iridium complex and use thereof. The metal iridium complex has a general formula Ir(La)(Lb)(Lc), wherein La is the structure represented by formula (1), and Lb is the structure represented by formula (2). The complex has the advantages of low driving voltage, low sublimation temperature, good optical and electrical stability, high luminous efficiency, long service life, high color saturation, and the like, can be used in organic light-emitting devices, and especially as a red luminous phosphorescent material, and has the possibility of being applied to the AMOLED industry.

Abstract: The present invention 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 invention has the advantages of high optical and electrical stability, low sublimation temperature, low driving voltage, high luminous efficiency, long device service life and the like, and can be used in an organic electroluminescent device. In particular, the compound has the possibility of being applied in the AMOLED industry as an electron injection or electron transport material.

Abstract: The present disclosure belongs to the technical field of organic optoelectronic materials, and relates to a compound, a functional material, an electronic element and an electronic device. The compound has the following structural formula, where ring A is an aliphatic ring, and the number of ring carbon atoms in the aliphatic ring is e; and R4 is selected from deuterium or R8 group substituted by deuterium. The compound of the present disclosure is formed by connecting deuterated alkyl fluorene and nitrogen heterocycle, has many advantages such as good film-forming property, good optical, electrical and thermal stability, high luminous efficiency, low voltage, long lifetime, etc., and can be used in organic light-emitting devices, especially as hole blocking layer materials or electron transport material layers, and has potential application prospects in many industries such as AMOLED.

Abstract: Disclosed are an organometallic iridium compound and application thereof. The organometallic iridium compound has a general formula of Ir(La)(Lb)(Lc), where La is a structure represented by Formula (1), and Lb is a structure represented by Formula (2). The compound provided by the present invention has the advantages of high optical and electrical stability, low sublimation temperature, small emission half-peak width, high color saturation, high luminous efficiency, long device life and the like, and can be used in organic electroluminescent devices. In particular, the compound has the potential for application in the AMOLED industry as a red light-emitting dopant.

Abstract: The present invention relates to a metal iridium complex and an electroluminescent device. The metal iridium compound has a general formula of Ir(La)(Lb)(Lc), wherein La is a structure shown in formula (1), and Lb is a structure shown in formula (2). The compound provided in the present invention can be used in organic light-emitting devices, particularly as a red luminescent phosphorescent material, and has the potential to be applied to the AMOLED industry, particularly for display, lighting, and automobile taillights.

Abstract: The present disclosure relates to an organic compound and an electroluminescent device. The organic compound has the structure as shown in formula (1), which can be used in an organic electroluminescent device as a hole injection layer material.

Abstract: The present invention relates to a series of organic electroluminescent materials containing B—N fused rings, which has a structure represented by Formula (I). Based on the principle of thermally activated delayed fluorescence (TADF), the materials have internal quantum efficiency of 100%. In addition, by utilizing a multiple resonance effect between B—N, the materials have small half-wave width and good color purity. With introduction of indolo[3,2,1-JK]carbazole, the multiple resonance effect is further enhanced, and the luminous efficiency and the color purity are significantly improved. Moreover, such compounds have good thermal stability and meet requirements of OLED panels for luminescent materials. The present invention further provides an organic electroluminescent device, and at least one of organic layers in the device contains the compound represented by Structural Formula (I).

Abstract: The present invention relates to an organometallic iridium compound and application thereof. The organometallic iridium compound has a structure represented by Formula (1). The compound provided by the present invention has the advantages of high optical and electrochemical stability, narrow emission half-peak width, high color saturation, high luminous efficiency, long device service life and the like, 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 an organometallic compound and application thereof. The organometallic compound has a general formula of Ir(La)(Lb)(Lc), where La is a structure represented by Formula (1), and Lb is a structure represented by Formula (2). The compound provided by the present invention has the advantages of high optical and electrical stability, low sublimation temperature, narrow emission half-peak width, high color saturation, high luminous efficiency, long device service life and the like, and can be used in organic electroluminescent devices. In particular, the compound has the potential for application in the AMOLED industry as a red light-emitting dopant.

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.