Inductive Coil Embedded in Insulating Adhesive for LED Light Extraction
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Solution Overview
Problem
Conventional light-emitting diodes (LEDs) rely on direct electrical connections which can lead to inefficiencies and limitations in light extraction and activation, particularly in applications requiring specific wavelengths like ultraviolet disinfection and displays.
Innovation Solution
A light-emitting element and module utilizing an inductive coil embedded in an insulating adhesive layer between semiconductor layers, allowing for inductive current activation, which enhances light emission efficiency and enables specific wavelength production such as ultraviolet light for disinfection and color emission for displays.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If direct electrical connections are used to activate LEDs, then the device structure is simple, but light extraction efficiency is limited and activation efficiency is reduced
Solution Approach 1:
An inductive coil is introduced as an intermediary component between the electrical connection and the LED activation. The coil generates a magnetic field that induces current in the LED, serving as a mediator that improves activation efficiency and light extraction while maintaining structural simplicity through integrated design
2Adaptability or versatility
If conventional LED structures are used, then manufacturing is straightforward, but specific wavelength production (e.g., ultraviolet) is limited
Solution Approach 1:
The inductive coil structure is designed to be universally applicable across different LED types and wavelength requirements. By adjusting coil parameters rather than redesigning the entire structure, the system can produce various wavelengths including ultraviolet, maintaining ease of manufacture while enhancing versatility
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 inductive coil embedded in the light-emitting module effectively activates the semiconductor stack, improving light extraction efficiency and enabling the production of specific wavelengths like UV for disinfection and color pixels in displays, enhancing the performance and versatility of LED applications.
Implementation Method 1
an inductive coil embedded in the insulating adhesive layer, comprising a first end electrically connecting the first semiconductor layer, and a second end electrically connecting the second semiconductor layer
Data Source
AI summary
A light-emitting element, comprises: a substrate; a light-emitting stack formed on the substrate, comprising a first semiconductor layer having a first surface facing the substrate, a second semiconductor layer having a second surface opposite the first surface, and an active layer between the first semiconductor layer and the second semiconductor layer; an insulating adhesive layer formed between the light-emitting stack and the substrate; and an inductive coil embedded in the insulating adhesive layer, comprising a first end electrically connecting the first semiconductor layer, and a second end electrically connecting the second semiconductor layer.