Novel Organic Compound for High Luminous Efficiency
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Solution Overview
Problem
Current organic electroluminescence devices face challenges in achieving high luminous efficiency due to limitations in the materials used for their construction.
Innovation Solution
A novel compound represented by a specific formula is introduced, which can be used as a material for organic electroluminescence devices, enhancing luminous efficiency by optimizing the structure and composition of the emitting layer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If conventional materials are used in organic EL devices, then device construction is straightforward, but luminous efficiency is limited
Solution Approach 1:
The patent modifies molecular parameters of the organic material by introducing specific substituents (formula 1) to optimize luminous efficiency. This involves changing chemical structure parameters such as substituent types at positions R1-R13 to enhance the material's electroluminescent properties while maintaining ease of device fabrication.
Solution Approach 2:
The patent employs composite material design by combining specific substituent groups (formula 2) with the core molecular structure. This composite approach integrates multiple functional groups that work synergistically to improve luminous efficiency while preserving the simplicity of device construction.
2Device complexity
If existing materials are used, then device structure is simple, but luminous efficiency cannot be optimized
Solution Approach 1:
The patent applies local quality modification by introducing specific substituents at particular positions (R1-R13) in the molecular structure. This localized structural optimization enhances luminous efficiency at the molecular level without complicating the overall device architecture or requiring complex multi-layer structures.
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 use of this novel compound in the organic electroluminescence device leads to improved luminous efficiency, effectively addressing the limitations of existing materials and enhancing the performance of the device.
Implementation Method 1
When voltage is applied to an organic electroluminescence device, holes and electrons are injected into an emitting layer from an anode and a cathode, respectively. Then, thus injected holes and electrons are recombined in the emitting layer, and excitons are formed therein.
Data Source
AI summary
A compound represented by the following formula (1), wherein in the formula (1), at least one of R1 to R8 is a group represented by the following formula (2).