Organic Compound Resonance Effect for OLED Luminous Efficiency
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Solution Overview
Problem
Current OLED elements face challenges with low luminous efficiency, poor stability, and short lifespan due to limitations in the performance of light-emitting materials.
Innovation Solution
An organic compound with an amino group and heterocyclic rings is introduced, enhancing the resonance effect and improving the performance of light-emitting elements by forming a light-emitting layer with a host-guest material system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional light-emitting materials are used in OLED elements, then the device can be manufactured with current technology, but the luminous efficiency is low and the lifespan is short
Solution Approach 1:
The patent changes the chemical structure parameters of the light-emitting material by introducing specific heterocyclic rings (triazole, tetrazole, oxadiazole, thiadiazole) and amino groups. These structural modifications alter the electronic properties and energy levels of the material, leading to improved luminous efficiency and extended lifespan without requiring changes to the manufacturing process or device architecture.
Solution Approach 2:
The patent employs composite material design by combining heterocyclic ring structures with amino groups in the light-emitting material molecules. This composite structural approach creates materials with synergistic properties that simultaneously enhance luminous efficiency and stability, resolving the contradiction between performance improvement and material durability.
2Reliability
If conventional light-emitting materials are used, then the synthesis process remains simple, but the stability and luminous efficiency are poor
Solution Approach 1:
The patent modifies molecular parameters by incorporating heterocyclic rings and amino groups into the light-emitting material structure. These parameter changes improve material stability while maintaining synthetic accessibility through well-established organic chemistry reactions, thus achieving enhanced reliability without significantly increasing manufacturing complexity.
3Illumination intensity
If existing light-emitting materials are used, then the device structure can be maintained, but the luminous efficiency and brightness are limited
Solution Approach 1:
The patent optimizes the optical parameters of the light-emitting material by designing molecules with specific heterocyclic ring systems and amino group configurations. These parameter changes enhance light emission intensity and brightness while keeping the material system manageable through systematic molecular design approaches, avoiding excessive complexity in the overall device structure.
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
This approach significantly enhances the luminous efficiency and extends the lifespan of OLED elements by improving the material's performance and stability.
Implementation Method 1
By adopting the organic compound containing an amino group, the organic compound contains heterocyclic rings and the amino group at a same time. Therefore, a resonance effect of a material containing the organic compound used in the light-emitting element can be enhanced
Implementation Method 2
Organic substances in the organic layer are used to convert electric energy into light energy to achieve organic electroluminescence
Data Source
AI summary
The present disclosure discloses an organic compound, a light emitting element, and a display panel. The organic compound is represented by formula (1):Z is selected from CR1R2, NR3, O, and S; X is selected from O and NR4; Ar1 is selected from —H, —D, a substituted or unsubstituted C1-C6 alkyl group, a substituted or unsubstituted C6-C20 aromatic group, and a substituted or unsubstituted C12-C20 heteroaromatic group; Ar2 and Ar3 are each independently selected from a methyl group, a substituted or unsubstituted C7-C18 aromatic group, and a substituted or unsubstituted C12-C16 heteroaromatic group; and Ar4, Ar5, and Ar6 are each independently selected from a substituted or unsubstituted C6-C31 aromatic group and a substituted or unsubstituted C6-C26 heteroaromatic group.