Dual-Sided LED Lighting Device with Selective Directional Control
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Solution Overview
Problem
Existing lighting solutions for domestic applications require separate devices for direct and indirect lighting using LEDs, which can be costly and inconvenient.
Innovation Solution
A dual-sided lighting device with LED modules mounted on heat sinks, allowing for both direct and indirect lighting by radiating light in different directions, and featuring interchangeable caps for various applications, with the ability to selectively turn on/off modules for different lighting sequences.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If separate lighting devices are used for direct and indirect lighting, then each device can be optimized for its specific function, but the overall cost increases and convenience decreases
Solution Approach 1:
The patent combines direct lighting and indirect lighting functions into a single integrated lighting device. The device includes both direct lighting LED modules and indirect lighting LED modules mounted on the same housing structure, allowing both lighting functions to be provided by one device rather than requiring separate devices, thereby reducing cost and improving convenience while maintaining functional optimization
Solution Approach 2:
The lighting device is designed to perform multiple lighting functions simultaneously - it can provide direct lighting, indirect lighting, or both together. The device includes controllable LED modules that can be selectively activated to deliver different lighting modes, making it a universal lighting solution that adapts to various application needs
2Adaptability or versatility
If multiple LED modules are used for different lighting directions, then lighting flexibility is improved, but device complexity and cost increase
Solution Approach 1:
The lighting device is segmented into distinct functional modules - direct lighting LED modules and indirect lighting LED modules - each optimized for its specific lighting direction. These modular segments can be independently controlled and activated, providing lighting flexibility while maintaining ease of installation through standardized modular construction
Solution Approach 2:
The device utilizes spatial arrangement by mounting LED modules on different surfaces of the housing structure - some modules face upward for indirect lighting while others face forward for direct lighting. This three-dimensional arrangement of lighting elements provides multi-directional lighting control within a single integrated device
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 convenient multi-directional lighting solution that can be easily installed and controlled, offering both direct and indirect lighting capabilities from a single device, enhancing lighting flexibility and efficiency.
Implementation Method 1
a first heat sink (110a) having a first surface and a second surface, and a second heat sink (110b) having a third surface and a fourth surface
Implementation Method 2
a plurality of first light emitting diode (LED) modules (102a) mounted on the first surface, and a plurality of second light emitting diode (LED) modules (102b) mounted on the fourth surface
Data Source
AI summary
A lighting device includes a first heat sink having a first surface and a second surface opposite the first surface, a second heat sink having a third surface and a fourth surface opposite the third surface. The third surface of the second heat sink is bonded to the second surface of the first heat sink. The lighting device further includes a plurality of first light emitting diode (LED) modules mounted on the first surface of the first heat sink; and a plurality of second light emitting diode (LED) modules mounted on the fourth surface of the second heat sink. One or more the first LED modules generally radiates lights in a first direction. One or more the second LED modules generally radiates lights in a second direction. The first and second LED modules are covered by respective non-reflective caps. The first LED module and the second LED module are configured to be selectively turned on or off according to a predefined algorithm. The first LED modules are arranged on an outer region of the lighting device, and the second LED modules are arranged on an inner region of the lighting device. The inner region is circumferentially surrounded by the outer region.