UV Case Study

Project Background

Custom UV LED Modules for Industrial Curing Applications

A professional 3D printing equipment manufacturer required a customized UV LED module solution for an internal curing application.

Application
Industrial UV Curing Equipment

LED Configuration
405nm UV + 450nm Blue LED Combination

Engineering Support
Custom LED Module Development

Project Requirements

Developing a Customized UV LED Module for Advanced Manufacturing Equipment

A professional 3D printing equipment manufacturer required a customized UV LED module solution for an internal curing application.

The project involved developing a high-power LED module combining 405nm UV LEDs and 450nm blue LEDs, designed to be integrated into the customer's equipment system.

Customer Requirements
✓ Equipment structure information
✓ Required wavelength specifications
✓ Preferred LED brand
✓ Initial LED quantity requirements

Engineering Challenges & Solutions

This project involved multiple engineering challenges, from LED configuration and PCB design to equipment integration.
UV LED module configuration optimization with customized LED arrangement

LED Configuration Optimization

The customer initially provided the required LED quantity and preferred LED components. However, the selected LED specifications needed further evaluation to determine a suitable electrical configuration.
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UV LED component selection for customized industrial curing module design

Component Selection and Technical Proposal

The customer specified a preferred LED brand but required technical evaluation for the application. NKT developed multiple LED proposals and supported the final component selection.
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405nm UV and 450nm blue LED arrangement for custom curing module PCB design

Multi-Wavelength LED Arrangement and PCB Design

The module required alternating 405nm UV and 450nm Blue LEDs, creating challenges in PCB routing and electrical design. NKT optimized LED arrangement, connection paths, and PCB layout.
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Reliable circuit design for high-power UV LED module operation

Practical Reliability-Oriented Circuit Design

The customer required continued operation when one LED failed. NKT developed a practical group protection approach considering reliability, circuit complexity, and manufacturability.
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Reliable circuit design for high-power UV LED module operation

Thermal Monitoring Integration

The customer required temperature monitoring during module operation. NKT integrated a thermal sensor into the LED module board and adjusted the PCB design.
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Custom connector and PCB integration design for UV LED equipment system

Equipment Connection Requirements

The project required customized connections between the LED module, driver, and equipment system. NKT supported connector sourcing and cable assembly implementation.
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Custom UV LED module design adjustments during product development

Continuous Design Adaptation During Development

The equipment requirements continued evolving during development, requiring multiple design adjustments. NKT supported PCB updates, connector changes, and module configuration modifications.
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Technical Solution Highlights

After evaluating the project requirements and engineering challenges, NKT developed a customized UV LED module solution for reliable integration into the customer’s equipment system. The final solution combined optimized LED configuration, practical circuit design, thermal monitoring, and customized connection support.
Multi-wavelength UV LED module combining 405nm UV and 450nm blue LEDs

Customized Multi-Wavelength UV LED Module

NKT developed a customized high-power LED module combining 405nm UV LEDs and 450nm blue LEDs for industrial curing applications. The solution required optimized LED arrangement and electrical configuration for reliable equipment integration.
Optimized electrical design for reliable UV LED curing performance

Optimized Electrical and Reliability Design

NKT designed separated LED group circuits to improve reliability while balancing circuit complexity and manufacturability. This approach allowed the module to continue operating under LED failure conditions without unnecessary design complexity.
Integrated thermal monitoring and equipment connection support for UV LED module

Integrated Monitoring and Connection Support

NKT integrated thermal monitoring and customized connector support into the LED module design for equipment integration. The solution included PCB adjustments and connection implementation support to match the customer’s system.

Prototype Validation & Final Outcome

After completing the customized LED module design, NKT supported prototype validation and continued technical communication during the equipment development process.

This project demonstrated NKT’s ability to support complex OEM LED module requirements, from initial LED configuration evaluation to prototype development and production preparation.