32228-99-2Relevant articles and documents
Organic light-emitting auxiliary layer material, preparation method and application thereof, and organic electroluminescent device
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Paragraph 0055-0058, (2021/06/21)
The invention discloses an organic light-emitting auxiliary layer material, a preparation method and application thereof, and an organic electroluminescent device, and relates to the field of organic photoelectric materials. The chemical structural formula of the organic light-emitting auxiliary layer material is shown in the specification, wherein R1, R2, R3 and R4 are independently selected from hydrogen, deuterium, halogen, cyano, substituted or non-substituted alkyl, substituted or non-substituted aryl, substituted or non-substituted heteroaryl and a substituted or non-substituted fused ring group, and Ar1 and Ar2 are respectively and independently selected from a substituted or unsubstituted aryl group, a substituted or unsubstituted heteroaryl group, a substituted or unsubstituted fused ring group and a substituted or unsubstituted spiro group. The organic light-emitting auxiliary layer material has efficient electron blocking capability and hole transport capability, a device prepared from the organic light-emitting auxiliary layer material has high light-emitting efficiency, low driving voltage and high heat resistance, the color purity of the device can be improved, and the service life of the device can be prolonged. The organic light-emitting auxiliary layer material can be widely applied to organic electroluminescent devices.
Organic compound and electronic component and electronic device comprising same
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Paragraph 0113-0115, (2021/07/17)
The invention provides an organic compound and an electronic element and an electronic device comprising the same, and belongs to the technical field of organic electroluminescence. The structural formula of the organic compound is composed of a structure as shown in a chemical formula 1, and the organic compound has excellent photoelectric properties, can improve the luminous efficiency and the service life of the device, and can reduce the working voltage.
Organic compound, electronic component, comprising same and electronic device
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Paragraph 0116; 0165-0168; 0173, (2021/07/17)
The invention provides an organic compound, an electronic component comprising the same and an electronic device, and belongs to the technical field of organic electroluminescence. The compound provided by the invention contains condensed rings of carbazole and fluorene, dibenzofuran or dibenzothiophene, has a rigid plane structure and high light-emitting quantum efficiency, and can improve the thermal stability and film stability of a material. According to the invention, the low triplet state energy level is effectively improved; and the compound is used for a light-emitting layer in a red light device, can effectively improve non-uniformity of charge transmission, improves the light-emitting efficiency and stability of the device, and effectively improves the performance of the device.