Organic electroluminescent element including organic compound, electronic device including the same

By using compounds of chemical formulas 1 and 2 as light-emitting layer materials in organic electroluminescent devices, the energy level and inherent properties of the organic layer are optimized, solving the problems of high driving voltage, low luminous efficiency and short lifetime, thus realizing high-efficiency and long-life organic electroluminescent devices.

CN114788030BActive Publication Date: 2026-07-21DUK SAN NEOLUX
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
DUK SAN NEOLUX
Filing Date
2020-10-22
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

Existing organic electroluminescent elements in portable displays suffer from problems such as high driving voltage, low luminous efficiency, insufficient color purity, and short lifespan. It is difficult to achieve high efficiency and long lifespan simply by improving the organic layer.

Method used

Compounds represented by chemical formulas 1 and 2 are used as luminescent layer materials. By optimizing the energy levels and inherent properties between organic layers, charge balance is achieved, driving voltage is reduced, and luminous efficiency and lifetime are improved.

Benefits of technology

It effectively reduces the driving voltage of components, improves luminous efficiency and color purity, and extends component life, making it suitable for battery-powered environments in portable displays.

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Abstract

The present application provides an organic electroluminescent element including a first electrode, a second electrode, and an organic layer between the first electrode and the second electrode, the organic layer including a compound represented by Chemical Formula 1 and Chemical Formula 2, thereby reducing the driving voltage of the organic electroluminescent element and improving the luminous efficiency and the lifespan.
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