Organic electroluminescent material and device thereof
By using a metal complex with the structure of Formula 1, the problems of low efficiency and short lifespan in existing electroluminescent devices are solved, achieving higher current efficiency, power efficiency and longer device lifespan, thus improving device performance.
CN117327119BActive Publication Date: 2026-06-16夏禾科技(江苏)有限公司
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- 夏禾科技(江苏)有限公司
- Filing Date
- 2022-06-22
- Publication Date
- 2026-06-16
AI Technical Summary
⚠Technical Problem
Existing metal complexes in electroluminescent devices suffer from problems such as low efficiency, short lifespan, and high operating voltage, making it difficult to meet the ever-increasing performance requirements.
⚗Method used
A metal complex with the structure of Formula 1, containing a metal M with a relative atomic mass greater than 40 and a specific ligand La, is used in organic electroluminescent devices to reduce the evaporation temperature and improve device performance.
🎯Benefits of technology
It improves the current efficiency, power efficiency and lifespan of the device, significantly enhancing the overall performance of the device.
✦ Generated by Eureka AI based on patent content.
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Abstract
Disclosed are an organic electroluminescent material and a device thereof. The organic electroluminescent material is a metal complex comprising a metal M and a ligand L having a structure of formula 1 a The metal complex has a lower evaporation temperature, which is conducive to reducing energy consumption in the device preparation process, and can be applied to an electroluminescent device as a luminescent material. When the metal complex is applied to an electroluminescent device, higher device efficiency and longer device lifetime can be achieved, and better device performance can be provided. An electroluminescent device comprising the metal complex and a compound composition comprising the metal complex are also disclosed.
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