1347758-80-8Relevant articles and documents
Compound, hole transport material and organic electroluminescent device
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, (2021/01/04)
The invention provides a compound shown as a general formula (I), which can be used for a hole transport material. The compound has a parent structure of difluorene substituted arylamine, is high in bond energy between atoms, has good thermal stability, is beneficial to intermolecular solid accumulation, is strong in hole transition capability, and can effectively reduce device voltage and prolongthe service life of the material when being used as a hole transport material. The invention further provides an organic light-emitting device and a display device containing the compound shown in the general formula (I).
Organic electroluminescent compounds and organic electroluminescent device using the same
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Paragraph 0342-0347; 0368-0373, (2020/12/15)
The present invention relates to an organic electroluminescent compound applied to a hole transfer material, which is characterized by being presented by chemical formula 1-1 and chemical formula 1-2. The organic electroluminescent compound according to the present invention can manufacture an organic electroluminescent device having improved light emitting efficiency and life properties, when applied to a hole transfer layer of the organic electroluminescent device.
MATERIALS FOR ELECTRONIC DEVICES
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Page/Page column 125; 126, (2019/01/17)
The present application relates to a spirobifluorene derivative of a specific formula (I) which is suitable for use in electronic devices.