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CN-122010818-A - Organic compound, and electronic component and electronic device using same

CN122010818ACN 122010818 ACN122010818 ACN 122010818ACN-122010818-A

Abstract

The present invention relates to an organic compound, and an electronic component and an electronic device using the same. The organic compound has a structure shown in a formula I, and can be applied to an organic electroluminescent device to remarkably improve the performance of the device.

Inventors

  • ZHANG MEILING
  • WEI CHENG

Assignees

  • 陕西莱特光电材料股份有限公司

Dates

Publication Date
20260512
Application Date
20241112

Claims (15)

  1. 1. An organic compound, characterized in that the organic compound has a structure represented by formula I: r is selected from alkyl with 1-10 carbon atoms; t is the number of R, t is selected from 1, 2 or 3, and when t is greater than 1, any two R are the same or different; ar 3 is selected from aryl with 6-12 carbon atoms; Ar is selected from substituted or unsubstituted aryl with 6-30 carbon atoms; substituents in Ar are each independently selected from deuterium, halogen groups, cyano groups, alkyl groups having 1 to 10 carbon atoms, halomethyl groups having 1 to 10 carbon atoms, deuterated methyl groups having 1 to 10 carbon atoms, cycloalkyl groups having 5 to 10 carbon atoms, aryl groups having 6 to 12 carbon atoms or deuterated aryl groups having 6 to 12 carbon atoms; L 1 and L 2 are the same or different and are each independently selected from a single bond, a substituted or unsubstituted arylene group having 6 to 30 carbon atoms, a substituted or unsubstituted heteroarylene group having 3 to 30 carbon atoms; Ar 1 and Ar 2 are the same or different and are each independently selected from a substituted or unsubstituted aryl group having 6 to 30 carbon atoms and a substituted or unsubstituted heteroaryl group having 3 to 30 carbon atoms; The substituents in L 1 、L 2 、Ar 1 and Ar 2 are the same or different and are each independently selected from deuterium, halogen group, cyano group, trimethylsilyl group, alkyl group with 1 to 10 carbon atoms, haloalkyl group with 1 to 10 carbon atoms, deuterated alkyl group with 1 to 10 carbon atoms, aryl group with 6 to 20 carbon atoms or deuterated aryl group with 3 to 20 carbon atoms; Each R 1 and each R 2 are the same or different and are each independently selected from deuterium, halogen groups, cyano groups, trimethylsilyl groups, alkyl groups having 1 to 10 carbon atoms, haloalkyl groups having 1 to 10 carbon atoms, deuterated alkyl groups having 1 to 10 carbon atoms, aryl groups having 6 to 12 carbon atoms or deuterated aryl groups having 3 to 12 carbon atoms; m is the number of R 1 , m is selected from 0,1, 2, 3 or 4, and when m is greater than 1, any two R 1 are the same or different; n is the number of R 2 , n is selected from 0, 1 or 2, and when n is 2, any two R 2 are the same or different.
  2. 2. An organic compound according to claim 1, wherein each R 1 and each R 2 are the same or different and are each independently selected from deuterium, fluoro, cyano, trimethylsilyl, methyl, ethyl, isopropyl, t-butyl, trifluoromethyl, tridentate methyl, phenyl, naphthyl, biphenyl, dibenzofuranyl, dibenzothienyl, carbazolyl.
  3. 3. An organic compound according to claim 1, wherein each R is selected from methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, tert-butyl, n-pentyl, isopentyl, neopentyl, n-hexyl, n-heptyl, n-octyl, 2-ethylhexyl, nonyl, decyl, 3, 7-dimethyloctyl.
  4. 4. The organic compound according to claim 1, wherein Ar is selected from substituted or unsubstituted phenyl, substituted or unsubstituted naphthyl, substituted or unsubstituted biphenyl, substituted or unsubstituted terphenyl; alternatively, substituents in Ar are each independently selected from deuterium, fluoro, cyano, methyl, ethyl, isopropyl, t-butyl, trifluoromethyl, tridentate methyl, cyclopentyl, cyclohexenyl, adamantyl, phenyl, or deuterated phenyl.
  5. 5. The organic compound according to claim 1, wherein Ar 3 is selected from the group consisting of:
  6. 6. The organic compound according to claim 1, wherein, Selected from the group consisting of:
  7. 7. The organic compound according to claim 1, wherein L 1 and L 2 are the same or different and are each independently selected from a single bond, a substituted or unsubstituted arylene group having 6 to 18 carbon atoms, a substituted or unsubstituted heteroarylene group having 12 to 18 carbon atoms; Optionally, the substituents in L 1 and L 2 are each independently selected from deuterium, fluorine, cyano, alkyl having 1 to 5 carbon atoms, haloalkyl having 1 to 5 carbon atoms, deuterated alkyl having 1 to 5 carbon atoms, phenyl or deuterated phenyl.
  8. 8. The organic compound of claim 1, wherein L 1 and L 2 are each independently selected from a single bond, a substituted or unsubstituted phenylene, a substituted or unsubstituted naphthylene, a substituted or unsubstituted biphenylene, a substituted or unsubstituted phenanthryl, a substituted or unsubstituted fluorenyl, a substituted or unsubstituted dibenzofuranyl, a substituted or unsubstituted dibenzothienyl, a substituted or unsubstituted carbazolyl; alternatively, the substituents in L 1 and L 2 are each independently selected from deuterium, fluoro, cyano, methyl, ethyl, isopropyl, tert-butyl, trifluoromethyl, tridentate methyl, phenyl or deuterated phenyl.
  9. 9. The organic compound according to claim 1, wherein L 1 and L 2 are the same or different and are each independently selected from the group consisting of a single bond or:
  10. 10. The organic compound according to claim 1, wherein Ar 1 and Ar 2 are the same or different and are each independently selected from a substituted or unsubstituted aryl group having 6 to 25 carbon atoms, a substituted or unsubstituted heteroaryl group having 12 to 24 carbon atoms; Optionally, the substituents in Ar 1 and Ar 2 are each independently selected from deuterium, fluorine, cyano, trimethylsilyl, alkyl having 1 to 5 carbon atoms, haloalkyl having 1 to 5 carbon atoms, deuterated alkyl having 1 to 5 carbon atoms, aryl having 6 to 12 carbon atoms, or deuterated aryl having 6 to 12 carbon atoms.
  11. 11. The organic compound of claim 1, wherein Ar 1 and Ar 2 are the same or different and are each independently selected from substituted or unsubstituted phenyl, substituted or unsubstituted naphthyl, substituted or unsubstituted biphenyl, substituted or unsubstituted terphenyl, substituted or unsubstituted fluorenyl, substituted or unsubstituted phenanthryl, substituted or unsubstituted triphenylene, substituted or unsubstituted spirobifluorenyl, substituted or unsubstituted dibenzofuranyl, substituted or unsubstituted dibenzothienyl, substituted or unsubstituted carbazolyl; Alternatively, substituents in Ar 1 and Ar 2 are each independently selected from deuterium, fluorine, cyano, methyl, ethyl, isopropyl, tert-butyl, tridentate methyl, trimethylsilyl, trifluoromethyl, phenyl, deuterated phenyl or naphthyl, and when the number of substituents is greater than 1, the substituents are the same or different.
  12. 12. An organic compound according to claim 1, wherein Ar 1 and Ar 2 are the same or different and are each independently selected from the group consisting of:
  13. 13. The organic compound according to claim 1, wherein the organic compound is selected from the group consisting of:
  14. 14. an electronic component, characterized in that the electronic component comprises an anode and a cathode which are oppositely arranged, and a functional layer arranged between the anode and the cathode, wherein the functional layer comprises the organic compound of any one of claims 1-13; optionally, the functional layer includes a hole transport layer, the hole transport layer including the organic compound; further alternatively, the electronic component is an organic electroluminescent device or a photoelectric conversion device.
  15. 15. An electronic device comprising the electronic component of claim 14.

Description

Organic compound, and electronic component and electronic device using same Technical Field The present application relates to the field of organic electroluminescence technology, and in particular, to an organic compound, and an electronic element and an electronic device using the same. Background The organic electroluminescent device technology is regarded as a next generation display and illumination technology because of its advantages of active light emission, high light emission efficiency, low power consumption, light weight, thin profile, fast response speed, large viewing angle, and the like. The organic electroluminescent device comprises a substrate, an anode, a hole injection layer, a hole transport layer, an electron blocking layer, an organic luminescent layer, an electron transport layer, a hole blocking layer, an electron injection layer, a cathode and the like. When voltage is applied to the cathode and the anode, the two electrodes generate an electric field, electrons at the cathode side move to the organic light-emitting layer under the action of the electric field, holes at the anode side also move to the organic light-emitting layer, the electrons and the holes are combined in the organic light-emitting layer to form excitons, and the excitons are in an excited state to release energy outwards to return to a ground state, so that the organic light-emitting layer emits light outwards. The reported organic hole transport material has low glass transition temperature due to generally smaller molecular weight, and is easy to crystallize due to repeated charge and discharge in the use process of the material, and the uniformity of the film is destroyed, so that the service life of the material is influenced. Therefore, the stable and efficient organic hole transport material is developed, so that the charge mobility is improved, the driving voltage is reduced, the luminous efficiency of the device is improved, the service life of the device is prolonged, and the method has important practical application value. Although the prior art discloses materials that can be used in organic electroluminescent devices. However, there remains a need to continue to develop new materials to further improve the performance of electronic components. Disclosure of Invention The object of the present application is to provide an organic compound, and an electronic component and an electronic device using the same, which can improve the performance of an organic electroluminescent device using the organic compound. A first aspect of the present application provides an organic compound having a structure represented by formula I: r is selected from alkyl with 1-10 carbon atoms; t is the number of R, t is selected from 1, 2 or 3, and when t is greater than 1, any two R are the same or different; ar 3 is selected from aryl with 6-12 carbon atoms; ar is selected from substituted or unsubstituted aryl with 6-20 carbon atoms; substituents in Ar are each independently selected from deuterium, halogen groups, cyano groups, alkyl groups having 1 to 10 carbon atoms, halomethyl groups having 1 to 10 carbon atoms, deuterated methyl groups having 1 to 10 carbon atoms, cycloalkyl groups having 5 to 10 carbon atoms, aryl groups having 6 to 12 carbon atoms or deuterated aryl groups having 6 to 12 carbon atoms; L 1 and L 2 are the same or different and are each independently selected from a single bond, a substituted or unsubstituted arylene group having 6 to 30 carbon atoms, a substituted or unsubstituted heteroarylene group having 3 to 30 carbon atoms; Ar 1 and Ar 2 are the same or different and are each independently selected from a substituted or unsubstituted aryl group having 6 to 30 carbon atoms and a substituted or unsubstituted heteroaryl group having 3 to 30 carbon atoms; The substituents in L 1、L2、Ar1 and Ar 2 are the same or different and are each independently selected from deuterium, halogen group, cyano group, trimethylsilyl group, alkyl group with 1 to 10 carbon atoms, haloalkyl group with 1 to 10 carbon atoms, deuterated alkyl group with 1 to 10 carbon atoms, aryl group with 6 to 20 carbon atoms or deuterated aryl group with 3 to 20 carbon atoms; Each R 1 and each R 2 are the same or different and are each independently selected from deuterium, halogen groups, cyano groups, trimethylsilyl groups, alkyl groups having 1 to 10 carbon atoms, haloalkyl groups having 1 to 10 carbon atoms, deuterated alkyl groups having 1 to 10 carbon atoms, aryl groups having 6 to 12 carbon atoms or deuterated aryl groups having 3 to 12 carbon atoms; m is the number of R 1, m is selected from 0,1, 2, 3 or 4, and when m is greater than 1, any two R 1 are the same or different; n is the number of R 2, n is selected from 0, 1 or 2, and when n is 2, any two R 2 are the same or different. A second aspect of the present application provides an electronic component comprising an anode and a cathode disposed opposite to each other, and a