Heterocyclic Compound for Organic Electronic Device Efficiency
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Solution Overview
Problem
There is a need for novel materials in organic electronic devices that can enhance efficiency, lower driving voltage, and increase the lifetime of these devices, as existing materials do not fully meet these requirements.
Innovation Solution
A heterocyclic compound with a specific chemical structure is introduced, which can be used in the organic material layers of these devices, improving efficiency, reducing voltage, and extending device lifespan.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If existing organic materials are used in organic electronic devices, then the device can operate, but the efficiency is insufficient and the driving voltage is high
Solution Approach 1:
The patent modifies the chemical structure of organic materials by introducing specific heterocyclic compounds with controlled substituents (Ar1, Ar2, Ar3, R1-R6) and parameters (n=2, X1-X3 configurations) to optimize electronic properties. This structural parameter optimization enables simultaneous improvement of device efficiency and reduction of driving voltage through enhanced charge transport and injection characteristics.
Solution Approach 2:
The patent employs composite organic material systems where the novel heterocyclic compound is integrated with other organic materials in multilayer device structures. This composite approach combines the superior charge transport properties of the heterocyclic compound with complementary materials to achieve both high efficiency and low driving voltage operation.
2Duration of action of stationary object
If existing organic materials are used in organic electronic devices, then the device can function, but the lifetime is limited
Solution Approach 1:
The patent optimizes material stability by carefully selecting and controlling the chemical parameters of the heterocyclic compound, including the nitrogen atom positions (X1-X3), substituent types (Ar1-Ar3), and molecular structure (n=2). These parameter optimizations enhance the material's resistance to degradation from electrical stress, oxygen, and moisture, thereby extending device lifetime while maintaining reliability.
3Productivity
If multiple layers of different materials are used to improve device efficiency, then the efficiency increases, but the device complexity increases
Solution Approach 1:
The patent designs the heterocyclic compound to perform multiple functions simultaneously within the organic electronic device, including charge injection, charge transport, and exciton management. This multi-functionality allows a single material to replace what would traditionally require multiple separate layers, thereby maintaining high device efficiency while reducing overall device complexity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The novel heterocyclic compound enhances the performance of organic electronic devices by improving efficiency, lowering driving voltage, and increasing the lifetime of these devices.
Implementation Method 1
a voltage or a current is applied to two or more electrodes to inject a hole and/or an electron into an organic semiconductor positioned at the interface between the electrodes
Implementation Method 2
holes from the anode and electrons from the cathode are injected into the organic material layer, and the injected holes and electrons are combined with each other
Implementation Method 3
The organic light-emitting phenomenon refers to a phenomenon in which electric energy is converted to light energy using an organic material
Data Source
Figure 1~2
AI summary
The present disclosure provides a novel compound capable of greatly improving the lifetime, efficiency, electrochemical stability and thermal stability of an organic electronic device, and an organic electronic device including an organic compound layer containing the compound.