Arylamine compound, organic electroluminescent element, and electronic device
By using arylamine compounds with aromatic hydrocarbon groups at the 3rd, 4th and 5th positions as hole transport and electron blocking materials, the problems of insufficient heat resistance and electron blocking properties in organic electroluminescent elements are solved, and organic electroluminescent elements with low driving voltage, high efficiency and long life are achieved.
CN120623052APending Publication Date: 2025-09-12HODOGAYA CHEMICAL CO LTD
Patent Information
- Application Number
- CN202510267065.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Priority Date
- 2024-03-11
- Filing Date
- 2025-03-07
- Publication Date
- 2025-09-12
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Figure CN120623052A_ABST
Abstract
The purpose of the present invention is to provide a material for organic EL elements, which has excellent hole transport ability and electron blocking ability, and high thermal stability in a thin film state. Also provided is an organic EL element having a low driving voltage, high luminous efficiency and power efficiency, and a long element life. The arylamine compound is represented by general formula (1). # imgabs0 # (In the formula, Ar1 and Ar2 represent a substituted or unsubstituted aromatic hydrocarbon group or the like, L represents a divalent group of a substituted or unsubstituted aromatic hydrocarbon group or the like, R1-R17 represent a hydrogen atom, a heavy hydrogen atom, an optionally substituted C5-12 aromatic hydrocarbon group or the like, and n represents an integer of 1-2).
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Citation Information
Patent Citations
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