- Nitrogen-containing compound, electronic element and electronic device
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The invention provides a nitrogen-containing compound, an electronic component and an electronic device, and relates to the technical field of organic materials, wherein the nitrogen-containing compound is represented by a formula I, X is selected from oxygen and sulfur, R is selected from heterocycloalkyl and heteroaryl, L is selected from a single bond, arylene and heteroarylene, the substituentof R is selected from deuterium, nitro, hydroxyl, alkyl, cycloalkyl, alkenyl, alkynyl, aryl, heteroaryl, heterocycloalkyl, alkoxy, aryl silyl and alkyl silyl, and the substituent of L is selected from deuterium, nitro, hydroxyl, alkyl, cycloalkyl, alkenyl, alkynyl, heterocycloalkyl, alkoxy, alkylsilyl, arylsilyl, aryloxy and arylthio. The nitrogen-containing compound disclosed by the invention can reduce the working voltage of an electronic component, improve the efficiency of a device and prolong the service life of the device.
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Paragraph 0080; 0081
(2020/05/01)
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- Bipyridyl derivative and application thereof
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The present invention provides a novel compound, which has a structure general formula represented by a formula (I), wherein Ar1 and Ar2 are independently selected from an aromatic hydrocarbon derivative group containing benzimidazoyl, an aromatic hydrocarbon derivative group containing a pyridine group, substituted or unsubstituted C6-C30 aromatic hydrocarbon, and a substituted or unsubstituted C6-C30 fused ring aromatic hydrocarbon group, and R1 and R2 are independently and respectively selected from H, C1-C12 aliphatic hydrocarbon radical, phenyl, substituted phenyl, naphthyl, substituted naphthyl, biphenyl and substituted biphenyl. According to the present invention, the compound has characteristics of stable character, simple preparation process, high luminous efficiency and high carrier mobility, and can be used for the electron transport layer of the electroluminescent element, and the device applying the compound has characteristics of significant driving voltage reducing and current efficiency improving. The formula (I) is defined in the instruction.
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- Space charge transfer compounds and the use of the compound of the organic light-emitting diode and the display device (by machine translation)
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The present invention relates to space charge transfer compounds and the use of the compound of the organic light-emitting diode and the display device, the space charge transfer compound comprises: naphthalene nucleus ; selected from diphenylenimine and phenyl carbazole electron donor portion; and is selected from pyridine, diazine, triazole and phenyl-and-dizole electron acceptor portion, wherein the electron donor portion and the electron acceptor moieties are bonded to the linker after benzene of states the naphthalene nucleus 1 and 8 bit. (by machine translation)
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