Plant Cultivation Light Source Layout for High Intensity Heat Control

Solution Overview

Problem

Existing methods for cultivating shade plants, such as ginseng, fail to increase phytochemical content without causing photodamage and reduce photosynthetic efficiency, leading to poor growth and quality degradation.

Innovation Solution

A plant cultivation light source and apparatus that uses a combination of red and blue LEDs with specific peak wavelengths and intensities, along with controlled light and nutrient medium levels, to enhance phytochemical production in shade plants like ginseng without causing photodamage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Illumination intensity

If LED modules are arranged closely to provide sufficient light intensity, then plant cultivation effectiveness is improved, but heat accumulation increases causing harmful effects

Engineering Contradiction:

Improvelight intensityVSAvoidheat accumulation

Core Design Contradiction:

Illumination intensityVSObject-affected harmful factors

Solution Approach 1:

The LED module is divided into multiple LED chips arranged in series along the optical axis, with individual heat dissipation paths for each chip through dedicated heat dissipation fins, preventing heat accumulation while maintaining high light intensity output

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

A heat dissipation fin structure is introduced as an intermediary between the LED chip and the surrounding environment, providing an efficient heat transfer path that separates the light generation function from the heat dissipation function

Inventive Principle:

Principle #24Intermediary (Mediator)

2Illumination intensity

If LED modules are arranged closely to provide sufficient light intensity, then plant cultivation effectiveness is improved, but module temperature increases reducing LED lifespan

Engineering Contradiction:

Improvelight intensityVSAvoidLED lifespan

Core Design Contradiction:

Illumination intensityVSDuration of action of stationary object

Solution Approach 1:

The LED module is divided into multiple LED chips arranged in series along the optical axis, with individual heat dissipation paths for each chip through dedicated heat dissipation fins, preventing heat accumulation while maintaining high light intensity output

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

A heat dissipation fin structure is introduced as an intermediary between the LED chip and the surrounding environment, providing an efficient heat transfer path that separates the light generation function from the heat dissipation function

Inventive Principle:

Principle #24Intermediary (Mediator)

3Ease of manufacture

If conventional LED modules are used, then manufacturing is simple, but heat dissipation is insufficient causing light output degradation

Engineering Contradiction:

Improvemanufacturing simplicityVSAvoidlight output stability

Core Design Contradiction:

Ease of manufactureVSReliability

Solution Approach 1:

The LED module is divided into multiple LED chips arranged in series along the optical axis, with individual heat dissipation paths for each chip through dedicated heat dissipation fins, preventing heat accumulation while maintaining high light intensity output

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

A heat dissipation fin structure is introduced as an intermediary between the LED chip and the surrounding environment, providing an efficient heat transfer path that separates the light generation function from the heat dissipation function

Inventive Principle:

Principle #24Intermediary (Mediator)

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 increases phytochemical content and yield rate while maintaining plant quality by optimizing light and nutrient conditions, minimizing photodamage and root rot.

Implementation Method 1

a light source including a housing and at least one light-emitting diode (LED) chip mounted on a circuit board

Methodology Applied

Scientific EffectLight Emitting Diode: Light Emitting Diode

Implementation Method 2

a heat dissipation fin structure extending from the LED chip in a direction perpendicular to the optical axis

Methodology Applied

Scientific EffectThermal conduction: Conduction (thermal)

Implementation Method 3

heat dissipation fin structure extending from the LED chip... improving heat dissipation performance

Methodology Applied

Scientific EffectConvection: Convection

Data Source

PatentEP3949722B1Light source for plant cultivation and plant cultivation apparatus

Publication Date: 2026.05.06 SEOUL VIOSYS CO LTD

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AI summary

Disclosed herein are a plant cultivation light source and a plant cultivation apparatus. The plant cultivation light source includes a main light source and an auxiliary light source. The main light source emits light having at least two peak wavelengths. The at least two peak wavelengths fall within a wavelength region absorbed by chlorophyll.