Removable Diffuser Lens for LED Retrofit Fixtures
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Solution Overview
Problem
Conventional fluorescent lights pose disposal problems due to toxic materials, and existing LED-based light replacements often lack effective diffusers, leading to 'hot spots' in lighting fixtures designed for fluorescent lights.
Innovation Solution
An LED-based light assembly with a removable second lens that overlays the first lens, providing adjustable light diffusion and attachment to fluorescent light fixtures without requiring fasteners or adhesives, ensuring seamless integration and improved light distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional fluorescent light is used, then the lighting fixture can be installed in standard fixtures, but toxic materials are present causing disposal problems
Solution Approach 1:
The patent changes the fundamental parameter of the light source from fluorescent (toxic) to LED (non-toxic), while maintaining the same physical form factor and fixture compatibility. This parameter change eliminates harmful materials while preserving adaptability to standard fixtures.
2Object-affected harmful factors
If an LED-based light replacement is used, then toxic materials are eliminated, but effective light diffusion is lacking causing hot spots
Solution Approach 1:
The patent introduces a diffuser as an intermediary component between the LED source and the surrounding environment. This diffuser mediates the light output by scattering and distributing the light uniformly, eliminating hot spots while maintaining the benefits of LED technology.
3Illumination intensity
If a diffuser is added to the LED-based light, then light diffusion is improved and hot spots are reduced, but the device complexity increases
Solution Approach 1:
The patent segments the optical system into distinct functional components: a primary lens for light transmission and a separate diffuser for light distribution. This segmentation allows each component to be optimized independently while simplifying the overall assembly and installation process.
4Illumination intensity
If a removable second lens is added for adjustable light diffusion, then light distribution is improved, but the ease of operation is reduced due to additional attachment steps
Solution Approach 1:
The patent creates a dynamic system where the diffuser can be selectively attached or removed based on operational needs. This dynamic configuration allows users to adjust light distribution characteristics without permanent modification, balancing improved light distribution with operational flexibility.
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 enhances light diffusion, reduces 'hot spots,' and allows for easy installation and replacement of LED-based lights in fixtures originally designed for fluorescent lights, addressing disposal concerns and improving lighting efficiency.
Implementation Method 1
a second lens, the second lens removably attachable to the outer surface of the housing such that at least a portion of the second lens overlays the first lens
Implementation Method 2
Diffusers for LED-based lights... enhances light diffusion, reduces 'hot spots'
Data Source
AI summary
An LED-based light assembly includes a plurality of LEDs and an elongate housing for the LEDs. The housing has an outer surface at least partially defined by a first lens. The assembly also includes a second lens. The second lens is removably attachable to the outer surface of the housing such that at least a portion of the second lens overlays the first lens in a spaced relationship. The assembly further includes at least one connector arranged at an end of the housing that configured for engagement with a socket of a fluorescent light fixture.