Compact LED Lighting Module with Hybrid Lens
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Solution Overview
Problem
Conventional LED ceiling lamps are bulky due to large heat sinks and drivers, which contradict the trend of compact design in LED lighting, affecting their volume and height, and often suffer from imaging issues due to the arrangement of LED light sources.
Innovation Solution
A compact lighting module comprising a light source module with integrated LED light sources and a driving module on a PCB, combined with a hybrid optical element that includes a central refraction region and total internal reflection regions, which refracts and collimates light to eliminate imaging issues and reduce volume, integrated with a heat sink and housed in a shell with a face ring for assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If conventional LED ceiling lamps use separate heat sinks and drivers, then heat dissipation and power supply functions are achieved, but the volume and height of the lighting fixture increase
Solution Approach 1:
The patent combines the driver module and heat sink into an integrated assembly that is pre-mounted on the light source plate. This merging of previously separate components (driver and heat sink) reduces the overall volume and simplifies the structure while maintaining heat dissipation and power supply functions. The integrated assembly is installed as a single unit, eliminating the need for separate mounting of driver and heat sink components.
Solution Approach 2:
The light source plate serves multiple functions: it acts as the mounting substrate for LED light sources, integrates the driver module for power supply control, and incorporates the heat sink for thermal management. This multi-functional design consolidates several components into one structure, reducing overall fixture volume and simplifying assembly.
2Volume of moving object
If LED light sources are arranged closely to reduce volume, then compact design is achieved, but imaging issues and light distribution problems occur
Solution Approach 1:
The patent applies different optical properties to different regions of the light source plate. The light source plate has varying transparency or optical characteristics in different areas to control light diffusion and distribution. This local quality variation ensures that even when LED light sources are closely arranged, the light distribution remains uniform and imaging issues are minimized through selective optical modification in specific zones.
3Reliability
If the driver module is placed separately from the light source plate, then electrical isolation is achieved, but the overall fixture volume increases
Solution Approach 1:
The driver module is integrated directly onto the light source plate, combining previously separate electrical and optical components into a single assembly. This integration reduces fixture volume while maintaining electrical isolation through proper circuit board design and isolation techniques embedded within the integrated 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 results in a smaller, more efficient, and aesthetically pleasing lighting solution with improved light distribution and reduced imaging phenomena, enhancing the overall performance and appearance of LED lighting fixtures.
Implementation Method 1
The optical element has a light incident portion and a light emergent portion... the light incident portion of the optical element covers above the light source plate, receives the emergent light of the LED light source and carries out optical configuration on the emergent light of the LED light source
Implementation Method 2
the optical element is a hybrid lens, and the light incident portion of the optical element includes a central refraction region directly facing the LED light source and a total internal reflection region positioned on both sides of the refraction region, wherein the emergent light of the LED light source is refracted in the refraction region and then emitted from the light emergent portion, and the emergent light of the LED light source is totally reflected and then emitted after being refracted in the total internal reflection region
Data Source
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AI summary
The present invention discloses a lighting module including a light source module, a driving module, and an optical element. The light source module includes a light source plate and a plurality of Light-Emitting Diode (LED) light sources. Emergent light of the LED light source is emitted after passing through the optical element, and the optical element has a light incident portion and a light emergent portion. The driving module and the LED light source are respectively adhered to the light source plate and are integrated on the light source plate, the light incident portion of the optical element covers above the light source plate, receives the emergent light of the LED light source and carries out optical configuration on the emergent light of the LED light source, and the driving module is arranged in a periphery of the light incident portion of the optical element. The present invention further discloses a lighting lamp having the lighting module.