Modular LED Fixture with Adjustable Optical Distribution
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Solution Overview
Problem
Conventional light fixtures are inflexible and require replacement to change optical distribution patterns, making them cumbersome, time-consuming, and costly to adapt to different lighting applications.
Innovation Solution
A modular LED light fixture with adjustable optical distribution, featuring multiple surfaces for mounting LEDs and heat management through convection and heat pipes, allowing for flexible adjustment of LED positions and power configurations to achieve various optical distributions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional light fixtures are used with fixed optical distribution, then manufacturing and installation are simple, but adaptability to different lighting applications is poor
Solution Approach 1:
The patent implements adjustable optical distribution by making the light fixture's optical characteristics dynamic rather than fixed. The fixture allows users to change optical distribution patterns (e.g., from Type I to Type IV) by adjusting internal components such as reflectors or lens positions, enabling the same fixture to adapt to different lighting applications without replacement.
Solution Approach 2:
The patent creates a universal light fixture design that can perform multiple optical distribution functions within a single device. By incorporating adjustable optical elements and multiple mounting configurations, the fixture can serve various lighting needs (roadway, area, street, parking lot) without requiring separate specialized fixtures for each application.
2Adaptability or versatility
If conventional light fixtures require replacement to change optical distribution, then optical distribution is fixed, but time and cost for adaptation are excessive
Solution Approach 1:
The patent enables dynamic adjustment of optical distribution within the same fixture by providing mechanisms to reposition optical elements or change reflector angles. This eliminates the need for time-consuming fixture replacement while allowing users to adapt the lighting pattern to different applications immediately.
Solution Approach 2:
The patent incorporates user-adjustable features that allow end-users to change optical distribution patterns without requiring professional installation or replacement of entire fixtures. The self-adjustment capability reduces both time and cost by enabling direct user control over optical characteristics.
3Adaptability or versatility
If conventional light fixtures require replacement to change optical distribution, then optical distribution is fixed, but cost for adaptation is high
Solution Approach 1:
The patent designs a universal fixture platform that can achieve multiple optical distribution patterns through internal adjustments rather than requiring multiple specialized fixtures. This multi-functionality reduces manufacturing costs by consolidating features into a single base design that can be configured for different applications.
Solution Approach 2:
The patent implements dynamic optical adjustment mechanisms within a standardized fixture body, allowing the same manufactured unit to provide varying optical patterns. This reduces the need to manufacture and stock multiple fixed-pattern fixtures, thereby lowering overall manufacturing and inventory costs.
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
Enables efficient, user-friendly, and cost-effective adjustment of optical distributions, mimicking non-LED light sources, and effectively managing heat generated by LEDs to enhance performance and longevity.
Implementation Method 1
heat management through convection and heat pipes
Implementation Method 2
heat management through convection and heat pipes
Implementation Method 3
heat management through convection and heat pipes
Data Source
AI summary
A light fixture includes a core member having a top end, a bottom end, and a body extending between the top and bottom ends. The core member includes a solid, single member or modular members. The body includes outer surfaces (“facets”) spaced along an outer perimeter thereof. Each facet can receive one or more light emitting diode (“LED”) packages in various different positions, with different electrical and other configurations. Heat pipes extending through the core member dissipate heat from the LEDs. Active cooling modules and/or fins may assist with this heat dissipation. The heat pipes and/or a separate elongated structure extending through the core member can secure the core member to the light fixture.