Integrated Light Fixture Heat Sink for Compact LED Thermal Control

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Solution Overview

Problem

Existing light fixtures for indoor grow facilities, such as greenhouses, face challenges in efficiently dissipating heat generated by LEDs and controllers/drivers, which can impact the performance and longevity of these components.

Innovation Solution

A heat sink is integrated beneath the lighting modules and driver housings, formed of thermally conductive materials like aluminum or copper, to dissipate heat effectively, while also featuring fin structures that enhance cooling and fluid shedding, maintaining a compact design.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Volume of moving object

If LEDs and controllers are placed close together in a compact light fixture, then the device size is reduced, but heat dissipation becomes insufficient leading to overheating

Engineering Contradiction:

Improvelight fixture sizeVSAvoidheat dissipation

Core Design Contradiction:

Volume of moving objectVSTemperature

Solution Approach 1:

The patent combines the heat sink and driver housing into a single integrated structure. The driver housing serves dual purposes: enclosing the controller/driver electronics and functioning as a heat sink with fin structures for thermal dissipation. This merging allows compact fixture design while maintaining effective heat dissipation capabilities.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The driver housing is designed to perform multiple functions simultaneously: mechanical enclosure for electronics, thermal management through heat dissipation, and structural support within the fixture. This multi-functionality reduces the need for separate components, enabling compact design without compromising heat dissipation.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Temperature

If a large heat sink is used to dissipate heat effectively, then temperature control improves, but the device size and complexity increase

Engineering Contradiction:

Improveheat dissipation efficiencyVSAvoidheat sink structure

Core Design Contradiction:

TemperatureVSDevice complexity

Solution Approach 1:

By merging the driver housing with the heat sink structure, the patent eliminates the need for a separate large heat sink component. The housing itself becomes the heat dissipation structure, reducing overall device complexity while maintaining effective thermal management.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The driver housing serves as both an enclosure and a heat sink, eliminating the need for dedicated heat dissipation components. This multi-functional design simplifies the overall structure while providing adequate heat dissipation for the LEDs and electronics.

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Reliability

If traditional separate components are used for LEDs, heat sink, and drivers, then each component can be optimized independently, but the overall fixture becomes larger and more complex

Engineering Contradiction:

Improvecomponent optimizationVSAvoidfixture structure

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent merges previously separate components (driver housing and heat sink) into a single integrated structure. This integration maintains the functional optimization of each component while reducing overall fixture complexity and size.

Inventive Principle:

Principle #5Merging (Combining)

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 heat sink effectively dissipates heat from LEDs and drivers, improving their performance and longevity, and prevents fluid accumulation, thereby ensuring optimal operating conditions for the light fixture.

Implementation Method 1

A heat sink is integrated beneath the lighting modules and driver housings, formed of thermally conductive materials like aluminum or copper, to dissipate heat effectively

Methodology Applied

Scientific EffectThermal conduction: Conduction (thermal)

Implementation Method 2

featuring fin structures that enhance cooling and fluid shedding

Methodology Applied

Scientific EffectHeat dissipation: Heat Sink

Implementation Method 3

prevents fluid accumulation, thereby ensuring optimal operating conditions for the light fixture

Methodology Applied

Scientific EffectGravitation: Gravitation

Data Source

PatentUS12553598B2Light fixture including heat sink for supporting lighting module

Publication Date: 2026.02.17 HGCI LLC

AI summary

A light fixture includes a lighting module and a heat sink. The lighting module includes a plurality of light emitting diodes and a heat sink. The light emitting diodes are configured to project light onto an area beneath the light fixture. The heat sink overlies the lighting module and is configured to dissipate heat away from the lighting module. The heat sink includes a base plate, a first base fin and a second base fin. The first base fin extends upwardly from the base plate. The second base fin extends upwardly from the base plate and is spaced from the first base fin.