Self-Powering LED Package via Redox Reaction
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional LED devices require pre-stored power sources for operation, limiting their portability and versatility in applications where power storage is not feasible.
Innovation Solution
A portable LED package structure that generates power through an oxidation-reduction reaction between conductive pins made of specific materials (e.g., Al, Zn, Fe, Ni, Pb, Cu, Ag, Au, Pt) and a liquid, with a voltage booster chip to rectify and promote the initial voltage for driving an LED chip, eliminating the need for pre-stored power sources.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If pre-stored power sources are used to drive LED devices, then the LED devices can operate reliably, but the portability and versatility are limited due to the weight and size of power sources
Solution Approach 1:
The invention extracts and eliminates the pre-stored power source from the LED device structure. Instead of incorporating batteries or capacitors, the device uses conductive pins that generate electricity through oxidation-reduction reactions with external liquids (water or electrolyte solutions), thereby removing the weight burden while maintaining operational capability
Solution Approach 2:
The device enables self-power generation through the interaction of conductive pins with ambient liquids. The oxidation-reduction reaction between the conductive pins and water/electrolyte automatically generates the necessary voltage to drive the LED, making the device self-sufficient without external power sources
2Duration of action of moving object
If pre-stored power sources are used to drive LED devices, then continuous operation is ensured, but the device complexity increases due to power management components
Solution Approach 1:
The invention removes power management components such as charging circuits, power regulators, and battery management systems. The direct oxidation-reduction reaction provides continuous power as long as the conductive pins remain in contact with the liquid, eliminating the need for complex power management infrastructure
Solution Approach 2:
The system continuously generates power through the ongoing chemical reaction between conductive pins and ambient liquids. This self-sustaining mechanism eliminates the need for external charging or power management, thereby reducing device complexity while ensuring continuous operation
3Use of energy by moving object
If conventional LED devices with pre-stored power sources are used, then the devices can be designed with optimized power consumption, but the adaptability to different applications is reduced
Solution Approach 1:
The invention creates a universal power generation mechanism that can operate in various environments by utilizing ambient liquids (water or electrolyte solutions). The conductive pins can be made from different materials (Al, Zn, Fe, Ni, Pb, Cu, Ag, Au, Pt) to adapt to different chemical environments, enabling the same device structure to function across diverse applications without redesign
Solution Approach 2:
The device allows for parameter changes in the conductive pin materials to optimize performance for different applications. By selecting different metal combinations with appropriate oxidation-reduction potentials, the voltage generation characteristics can be adjusted to match the specific requirements of different LED configurations and environmental conditions
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
Enables the operation of LED devices without pre-stored power sources, allowing for portable and versatile applications by generating the necessary driving voltage through an oxidation-reduction reaction, as demonstrated by the use of materials like Al and Cu with water or electrolyte water.
Implementation Method 1
Both the positive conductive pin and the negative conductive pin concurrently contact a predetermined liquid for generating oxidation-reduction reaction so as to generate electric powers with a predetermined initial voltage
Data Source
AI summary
An LED package structure without pre-stored power sources includes a substrate unit and a LED chip. The substrate unit includes a carrier substrate, a positive conductive pin, and a negative conductive pin. The positive conductive pin is made of a first predetermined material with positive oxidation-reduction potential. The negative conductive pin is made of a second predetermined material with negative oxidation-reduction potential. The LED chip is disposed on the carrier substrate and electrically connected between the positive conductive pin and the negative conductive pin. Both the positive conductive pin and the negative conductive pin concurrently contact a predetermined liquid for generating oxidation-reduction reaction so as to generate electric powers with a predetermined driving voltage, and the LED chip is driven by the electric powers with the predetermined driving voltage for generating an indicator light source. The instant disclosure further provides a portable light-emitting device without pre-stored power sources.