Nitrogen-containing compounds, organic electroluminescent devices, and electronic devices
By using nitrogen-containing compounds with an indole-carbazole-indole structure and a specific fusion method as the host material for the organic light-emitting layer of organic electroluminescent devices, the problems of high driving voltage, low efficiency, and short lifetime in the prior art have been solved, thereby improving the device performance.
CN117720545BActive Publication Date: 2026-05-08SHAANXI LIGHTE OPTOELECTRONICS MATERIAL CO LTD
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Patent Information
- Application Number
- CN202311178037.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-09-12
- Publication Date
- 2026-05-08
- Estimated Expiration
- 2043-09-12
AI Technical Summary
Technical Problem
The performance of existing organic electroluminescent devices still needs to be improved, especially in terms of driving voltage, efficiency and lifespan.
Method used
Nitrogen-containing compounds with indole-carbazole-indole structures using specific fusion methods are used as the host material for organic light-emitting layers to improve hole injection migration ability and energy transfer efficiency.
Benefits of technology
It significantly reduces the operating voltage of organic electroluminescent devices, and improves current efficiency and lifespan.
✦ Generated by Eureka AI based on patent content.
Abstract
The application belongs to the technical field of organic electroluminescence, and relates to a nitrogen-containing compound, an organic electroluminescent device and an electronic device. The nitrogen-containing compound has a structure as shown in formula 1. When the nitrogen-containing compound is used in an organic electroluminescent device, the performance of the organic electroluminescent device can be significantly improved.
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