High-density light guides enable compact LED indication for PLC controllers and distributed I/O modules.

Overview:
PLC and distributed I/O modules require compact indicator layouts to display multiple channel and system signals.

Typical Equipment:
PLC controllers
Remote I/O modules
DIN-rail automation modules

Design Considerations:
High-density LED arrays are commonly used in PLC modules. Multi-channel light guides help organize these indicators while keeping the module front compact.

PLC & I/O MODULES

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Light guides transmit LED signals from internal PCBs to front panel indicators, enabling clear status visualization for control systems.

Overview:
Industrial control panels integrate multiple electronic systems used to monitor and operate machines. Clear front-panel indicators help operators quickly understand equipment status.

Typical Equipment:
Electrical control cabinets
Machine control panels
Operator stations
Industrial consoles

Design Considerations:
Control panels often separate internal PCBs from the visible panel interface. Light guides allow LEDs mounted on the PCB to be clearly displayed on the panel surface.

INDUSTRIAL CONTROL PANELS

Light guides deliver clear front-panel LED indication for networking and communication hardware.

Overview:
Networking devices use multiple LEDs to indicate link status, activity, and system conditions on the front panel.

Typical Equipment:
Network switches
Routers
Communication modules

Design Considerations:
Networking hardware often requires long rows of indicators on narrow front panels. Light guides help align LEDs with the panel interface.

NETWORKING EQUIPMENT

Reliable LED indication for power supplies, electrical protection devices, and power distribution systems.

Overview:
Power electronics and distribution devices rely on visual indicators to show system operation and protection status.

Typical Equipment:
Power supplies
Circuit protection devices
Power distribution units

Design Considerations:
Power equipment indicators must remain visible even in enclosed electrical cabinets. Light guides help bring the signal to accessible panel locations.

POWER EQUIPMENT

Machine controllers and automation equipment use light guides to display operating and fault status.

Overview:
Industrial machines use indicator lights to communicate machine operation and system conditions to operators.

Typical Equipment:
Machine controllers
Servo drive units
Automation equipment

Design Considerations:
Machine equipment often integrates indicators within compact control housings. Light guides enable flexible placement of LEDs inside the device.

INDUSTRIAL MACHINES

Light guides provide precise visual indication in measurement instruments and electronic test devices.

Overview:
Measurement instruments rely on clear visual feedback to display system status and operation modes.

Typical Equipment:
Electronic test instruments
Measurement devices
Laboratory equipment

Design Considerations:
Precision instruments require clearly separated indicators and organized panel layouts, which can be supported by structured light guide designs.

TEST & MEASUREMENT EQUIPMENT

Light guide solutions used in industrial and electronic equipment.

Applications

Contact our engineering team to discuss your light guide requirements and get a customized solution.

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Utilizing total internal reflection principle for maximum light transmission with minimal loss.

High Efficiency

Available in various diameters from 1mm to 5mm with custom shapes for specific applications.

Precision Design

Made from high transmittance PMMA, PC, or optical glass for superior optical clarity.

Premium Materials

Tailored designs with specialized surface treatments for uniform light diffusion.

Custom Solutions

Efficient manufacturing processes with global logistics capabilities for rapid delivery turnaround.

Fast Production

Rigorous testing and quality control ensuring every light guide meets the highest industry standards.

Quality Assurance

Precision engineered optical components designed for optimal light transmission and durability

Why Choose Our Light Guides

Light guides are micro optical bridges that efficiently transmit light from LEDs to display positions. We provide high-quality light guide solutions for electronic devices, automotive dashboards, and industrial applications.

Optical Engineering Excellence

Precision Light Guide Solutions

Have questions about light guides? Contact our team.

Project Inquiry

Round and square profile light guides in standard diameters from 1mm to 5mm, perfect for LED indicator applications.

Standard Light Guides

Specialized shapes including arrows, stars, and custom icons for unique display requirements.

Custom Shape Light Guides

Dashboard indicators, button backlights, and ambient lighting solutions for automotive interiors.

Automotive Light Guides

Heavy-duty light guides designed for industrial control panels, machinery, and harsh environment applications.

Industrial Light Guides

Comprehensive range of light guide solutions for diverse industrial needs

Our Products

Topten-Lightguide designs and manufactures industrial light guides and LED light pipes for high-density PCB indicators. Anti-crosstalk, stable optics, custom solutions.