LED Bulb Light Strip with Heat Dissipation and Fluorescent Layers
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Solution Overview
Problem
The high initial cost and limited color spectrum of early LED lights made them impractical for widespread use, and there was a need for a cost-effective solution to integrate LED technology into filament bulb applications while also considering visual effects and energy efficiency.
Innovation Solution
A LED bulb apparatus comprising a bulb shell, head cap, driver circuit, and light strips with ceramic or translucent substrates, heat dissipation strips, and fluorescent layers to manage heat and light transmission, allowing for different color temperatures and optical parameters, and incorporating a central column and heat dissipation air for improved performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If early LED technology was used for illumination, then energy consumption was reduced, but the initial cost was extremely high
Solution Approach 1:
The patent divides the illumination function into multiple LED modules arranged in arrays on light strips, rather than using a single high-power LED. This segmentation allows the use of multiple lower-cost LED components to achieve the required illumination output, making the overall system more cost-effective while maintaining energy efficiency
Solution Approach 2:
The patent designs a universal light strip module that can be configured in different arrangements (series, parallel, or combination) to suit various illumination requirements. This modular universal design reduces manufacturing complexity and cost by using standardized components across different applications
2Use of energy by moving object
If early LED technology was used for illumination, then energy consumption was reduced, but the color spectrum was limited
Solution Approach 1:
The patent employs composite LED modules that integrate multiple LED chips with different color emissions (red, green, blue, yellow) within single modules or adjacent modules. This composite approach enables the generation of multiple colors and adjustable color temperatures while maintaining the energy efficiency of LED technology
Solution Approach 2:
The patent applies different colored LED modules or fluorescent coatings to different regions of the light strip to create varied color zones. This allows for localized color control and the ability to produce different color temperatures (warm white, cool white, colored light) from the same energy-efficient LED base technology
3Device complexity
If LED modules are mounted on substrate without proper heat management, then device complexity is reduced, but heat dissipation becomes insufficient
Solution Approach 1:
The patent introduces heat dissipation strips as intermediary components between the LED modules and the surrounding environment. These strips act as thermal conductors that efficiently transfer heat away from the LED modules without adding significant structural complexity, maintaining a simple overall design while solving the heat management problem
Solution Approach 2:
The patent extends heat dissipation functionality into the spatial dimension by incorporating heat dissipation strips that run alongside or beneath the light strips. This dimensional extension allows for effective heat management without increasing the complexity of the core LED mounting 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
The solution provides a cost-effective and energy-efficient LED bulb with enhanced visual effects, improved heat dissipation, and adjustable color temperature, making it suitable for various applications while reducing manufacturing complexity and costs.
Implementation Method 1
The driver circuit is stored in the head cap for receiving an external power from the first electrode and the second electrode to generate a driving current
Implementation Method 2
multiple LED modules mounted the substrate
Implementation Method 3
A first fluorescent layer covers the multiple LED modules on a first side of the substrate. A second fluorescent layer covers a second side of the substrate
Implementation Method 4
The light strip further includes at least one heat dissipation strip fixed to the substrate. The heat dissipation strip is heat conductive to the LED modules and electricity insulated from the LED module for carrying heat of the LED modules away from the LED modules
Data Source
AI summary
A LED bulb apparatus has a bulb shell, a head cap, a driver circuit and at least one light strip. The bulb shell has a light passing shell and a bottom portion. A head cap has a neck portion, a first electrode and a second electrode. The neck portion of the head cap is connected to the bottom portion of the bulb shell forming a container space. A fluorescent layer covers the multiple LED modules. The driving current is transmitted via at least one of the top end and the bottom end of the light strip to the LED modules. The substrate has a light transmittance less than 50%.