Glass Lens Coupling for LED Luminaires
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Solution Overview
Problem
Current LED lighting systems lack an optical component that can be seamlessly integrated into various types of luminaires and LED lamps, particularly those with a single-chip or multichip semiconductor COB LEDs or encapsulated LEDs, as existing plastic lenses do not provide adequate photometry and coupling solutions for different lighting applications.
Innovation Solution
A glass lens with a perimeter rim and a matching rubber seal for perfect coupling between the heat sink and trim body, along with an optional self-adhesive filter to eliminate chromatic aberration and a translucent or transparent flat glass for improved light diffusion, allowing for customizable photometry and light distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If glass lenses are used for LED lighting designs, then light transmission efficiency is improved (transmission rate higher than 90%), but compatibility with existing luminaire structures deteriorates (lenses do not have means for coupling to different existing lighting devices)
Solution Approach 1:
The optical system is divided into separate functional components: a glass lens element and a coupling mechanism (retaining ring with clips) that interfaces with existing luminaire structures. This segmentation allows the high-transmission glass lens to be adapted to various existing luminaires without compromising its optical properties.
Solution Approach 2:
A coupling mechanism consisting of a retaining ring with clips serves as an intermediary between the glass lens and existing luminaire structures (heat sinks, trim bodies). This intermediary component enables compatibility with different existing luminaires while maintaining the integrity and high transmission efficiency of the glass lens.
2Ease of manufacture
If plastic optical designs are used, then manufacturing cost is reduced and ease of manufacture is improved, but light transmission efficiency deteriorates (lower transmission rate compared to glass)
Solution Approach 1:
The patent uses inexpensive plastic components (retaining ring, clips, filter) for the coupling and auxiliary functions, while reserving the expensive high-performance glass material for the optical lens element where it is most needed for light transmission. This selective material application optimizes both cost and performance.
3Device complexity
If standard LED luminaires are used without specialized optical components, then device complexity is reduced, but photometric precision deteriorates (light distribution does not meet specific lighting needs)
Solution Approach 1:
The optical system is designed with universal compatibility features (standard coupling mechanism that fits existing luminaire structures) while incorporating adjustable photometric elements (filter, lens geometry selection) that can be configured to meet specific lighting requirements. This multi-functionality allows a single system design to serve both simplicity and precision needs.
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 significantly enhances luminous efficiency by up to 270% compared to standard LED luminaires, providing adaptable and efficient light distribution tailored to specific lighting projects through adjustable geometry and material choices.
Implementation Method 1
getting through the effect of the geometry of lens, a considerable increase of the luminous efficiency
Implementation Method 2
a self-adhesive disk filter on the base of lens to eliminate the effect of chromatic aberration
Implementation Method 3
a trim body which enables setting below a completely or partial translucent flat glass to improve the diffusion of light for different areas
Data Source
AI summary
The invention relates to an optical system for single-chip or multi-chip LED lamps and luminaires, with heat sink and trim body, consisting of a glass lens which has various geometric shapes having a perimeter rim on the circular base thereof and a rubber seal of matching size via which the lens is inserted, optionally including a self-adhesive translucent polymer vinyl filter on the base of the lens, a trim having a special design in the shape of a top hat and a partially or completely translucent planar glass panel attached under the flange of said trim. The structure of the lens enables the perfect coupling thereof by fitting between the heat sink and the trim body, and can be used for manufacturing novel LED luminaires and modules, or for adapting existing LED luminaires and modules on the market, achieving, through the geometry of the lens, the filter and the planar glass panel, improved efficiency and light quality that is adequate for each specific use.