Downlight Apparatus Using DOB Technology for Cost and Heat Management
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Solution Overview
Problem
Current LED lighting devices face challenges in reducing production costs and improving heat dissipation, leading to shorter lifespan and higher costs due to expensive LED light bar materials and inefficient heat management.
Innovation Solution
The implementation of a Driver on Board (DOB) technology, where LED components and driver circuits are integrated on a circuit base board, along with an electrical connector module featuring a standard interface structure, to reduce system costs and enhance heat dissipation through various connecting methods and metal conductors, allowing for efficient electrical connections and heat management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If LED light bar materials are used to improve light efficiency, then illumination intensity is improved, but manufacturing cost increases
Solution Approach 1:
The patent divides the lighting system into separate modules: LED light bar module and driver circuit module. This segmentation allows independent optimization of each module, enabling the use of cost-effective LED materials while maintaining overall system performance and reducing total manufacturing cost.
Solution Approach 2:
The patent transitions from integrating everything on a single PCB to a three-dimensional modular architecture where LED bars are mounted separately from driver circuits. This dimensional change enables better heat dissipation paths and reduces material costs by using simpler, more efficient structures.
2Device complexity
If traditional integrated PCB design is used to simplify structure, then device complexity is reduced, but heat dissipation capability deteriorates
Solution Approach 1:
The patent segments the integrated PCB design into separate LED modules and driver circuit modules. This physical separation creates independent heat dissipation zones, allowing heat to be managed more effectively without requiring complex integrated thermal management systems.
Solution Approach 2:
The patent introduces heat dissipation fins and thermal management structures as intermediary elements between the LED light bars and the environment. These intermediaries facilitate efficient heat transfer without complicating the overall device structure, maintaining simplicity while improving thermal performance.
3Device complexity
If LED components and driver circuits are integrated on the same board, then device complexity is reduced, but heat dissipation becomes more difficult
Solution Approach 1:
The patent divides the circuit system into distinct segments: LED driver circuit board and LED light bar assembly. This segmentation allows the driver circuits to be mounted on a separate board from the LED components, creating physical separation for heat management while maintaining electrical connectivity through standardized interfaces.
Solution Approach 2:
The patent moves from two-dimensional planar integration on a single board to three-dimensional spatial arrangement with vertical separation between driver circuits and LED components. This dimensional transition enables heat to dissipate in multiple directions without interfering with electrical connections, solving both integration and thermal management requirements.
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
DOB technology effectively reduces overall costs, improves light efficiency, and extends the lifespan of LED lights by integrating driver circuits and LED components on a single board, while providing flexibility and stability in electrical connections, particularly with standard interfaces like IDEAL, facilitating easier market adoption and future intelligent lighting applications.
Implementation Method 1
an electrical connector module, wherein the electrical connector module has a standard interface structure and an input terminal structure
Data Source
AI summary
A lighting device includes a plurality of light source circuit components, a circuit base board and an electrical connector module. Said circuit base board is used for carrying said plurality of light source circuit components. The plurality of light source circuit components are electrically connected to each other through the connecting wire of the circuit base board. The electrical connector module has a standard interface structure and an input terminal structure. Said input terminal structure has a plastic housing and a metal conductor. Said metal conductor is electrically connected to the connecting wires of said circuit base board. The standard interface structure has a standard interface and is connected to the external interface of the corresponding external conductor through a pluggable method.