Compound, organic thin film light emitting element, display device and lighting device
By using the compound represented by the general formula (1), the specific polycyclic aromatic hydrocarbon and linking group structure are used to improve the luminescence efficiency and durability life of the organic thin film luminescence element, and the problem of insufficient luminescence efficiency and durability life in the prior art is solved.
CN114746402BActive Publication Date: 2025-04-08TORAY INDUSTRIES INC
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Patent Information
- Application Number
- CN202080082975.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Priority Date
- 2020-01-30
- Filing Date
- 2020-10-28
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2040-10-28
AI Technical Summary
Technical Problem
The existing organic thin film luminescent elements have shortcomings in terms of luminescence efficiency and durability life, and it is difficult to achieve efficient luminescence and long life at the same time.
Method used
The compound represented by the general formula (1) contains a specific structure of polycyclic aromatic hydrocarbons and linking groups. By extending molecules to improve intermolecular interactions, promote charge transportability and membrane stability, thereby reducing driving voltage and improving luminescence efficiency.
Benefits of technology
It achieves high luminous efficiency and excellent durability life, can drive at low voltage and improve the performance of the luminous emitting element.
✦ Generated by Eureka AI based on patent content.
Abstract
An organic thin film light emitting element, display device and lighting device having excellent luminous efficiency and long life can be provided by a compound represented by the following general formula (1). (In the general formula (1), any one of X1 to X3 is a nitrogen atom, and the others are methyl groups. L1 is a substituted or unsubstituted biphenylene, terphenylene, naphthylene, quaterphenylene, dimethylfluorenylene, diphenylfluorenylene or spirobifluorenylene. When these groups are substituted, the substituents are alkyl or alkoxy groups. A is a phenanthrenyl, pyrenyl, dimethylfluorenyl, diphenylfluorenyl or spirobifluorenyl)
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