Quantum Dot Film With Plasmonic Conductive Layer
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Solution Overview
Problem
Traditional quantum dot films suffer from low excitation efficiency and low luminescence intensity due to their inherent defects.
Innovation Solution
A quantum dot film comprising a quantum dot layer and a conductive layer with nano-sized metal particles that generate surface plasmon resonance under electromagnetic radiation, optimizing the distance between the layers to enhance luminescence efficiency and intensity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional quantum dot film structure is used, then device simplicity is maintained, but luminescence efficiency and intensity are low
Solution Approach 1:
The patent combines the quantum dot layer with a conductive layer containing nano-sized metal particles to form an integrated film structure. The conductive layer is integrated with the quantum dot layer through specific distance control, allowing the metal particles to generate surface plasmon resonance that enhances quantum dot luminescence efficiency while maintaining structural simplicity.
Solution Approach 2:
The patent creates a composite film structure by integrating quantum dots with nano-sized metal particles in a conductive layer. This composite material approach allows the metal particles to generate surface plasmon resonance under electromagnetic radiation, which significantly enhances the luminescence efficiency and intensity of the quantum dots without requiring complex external systems.
2Illumination intensity
If quantum dot layer distance from conductive layer is optimized, then luminescence intensity is enhanced, but manufacturing precision requirements increase
Solution Approach 1:
The patent optimizes the distance parameter between the quantum dot layer and conductive layer to achieve maximum luminescence enhancement. By controlling this critical parameter within a specific range, the surface plasmon resonance effect is maximized, enhancing quantum dot luminescence intensity while maintaining manufacturability through defined parameter specifications.
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 arrangement of conductive layers on the quantum dot film significantly improves luminescence efficiency and intensity by creating a resonance electromagnetic field, enhancing the fluorescence emission of quantum dots.
Implementation Method 1
the conductive layer comprises nano-sized metal particles, and at least a portion of the nano-sized metal particles are configured to generate a surface plasmon resonance under electromagnetic radiation
Implementation Method 2
the quantum dot layer comprises quantum dots, and a distance between the quantum dot layer and the conductive layer along the thickness direction of the quantum dot layer is configured to enable a portion of the quantum dots to be located in a resonance electromagnetic field generated by the surface plasmon resonance
Data Source
AI summary
A quantum dot film, a quantum dot light-emitting assembly and a display device are provided. The quantum dot film includes: a quantum dot layer; and a conductive layer arranged on at least a side of the quantum dot layer along a thickness direction, and the conductive layer includes nano-sized metal particles, and at least a portion of the nano-sized metal particles are configured to generate a surface plasmon resonance under electromagnetic radiation. The luminescence efficiency and intensity of the quantum dot layer can be effectively improved by arranging the conductive layer on at least a side of the quantum dot layer.