Q1: What is the BF Series Bottom Flat Backlight used for?
A: The BF Series is designed for high-contrast machine vision inspection, providing uniform backlighting for applications requiring clear edge and contour detection.
Q2: What are the advantages of using a flat backlight in machine vision?
A: A flat backlight creates a bright, even background that highlights object outlines, improving accuracy for measurement, shape detection, and defect inspection.
Q3: What applications are suitable for the BF Series Backlight?
A: It is commonly used for dimension measurement, contour inspection, liquid level detection, pinhole inspection, and metal burr detection.
Q4: Why does the BF Series provide uniform illumination?
A: The backlight uses high-density SMD LED technology and diffused lighting design to achieve consistent brightness across the entire emitting area.
Q5: Can the BF Series be integrated into compact inspection systems?
A: Yes. Its low-profile flat design allows easy installation in space-limited machine vision systems and automated inspection equipment.
Q6: What types of objects are suitable for silhouette inspection with this backlight?
A: The BF Series is ideal for inspecting metal parts, electronic components, transparent objects, mechanical parts, and precision components where clear edges are required.
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Description
Product Description
BFC Series Side Flat Backlight for Uniform Edge & Transparent Inspection
The BFC Series Side Flat Backlight Illumination is engineered to provide high-intensity, uniform lighting through an advanced side-emitting design. Utilizing unique light-guiding materials, it ensures multiple light reflections to reduce directivity and deliver soft, evenly distributed illumination.
This design makes it especially effective for applications requiring precise edge detection, dimensional measurement, and inspection of transparent or semi-transparent objects.
With a compact structure and customizable emitting surface and light color, the BFC Series offers excellent flexibility for integration into a wide range of machine vision systems.
Key Features
- Side-emitting design for uniform, diffused illumination
- Advanced light-guiding material for reduced light directivity
- High brightness with stable LED performance
- Customizable light color and emitting surface size
- Compact design for easy system integration
Applications
- Dimension measurement and visual inspection
- Edge detection and contour analysis
- Liquid level and transparent object inspection
- Pinhole and burr detection for metal parts
- Packaging inspection (tears, stains, defects)
Specifications

| Input voltage | 24 VDC |
| Connector | SMR-03V-B |
|
Polarity
|
Red:620-630nm;Blue:465-475nm;Green:520-530nm; |
|
Operating environment(indoor)
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Temperature: 0~40℃ Humidity:20% to 85% RH (with no condensation) |
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Life time
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White:30,000hrs, Red: 60,000hrs (Depends on the operating environment, not a gurantee) |
|
Case material
|
Aluminum alloy, Resin |
Catalog of Side Flat Backlights Illumination BFC Series
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