PCB lenses (Printed Circuit Board Lenses) are optical lenses mounted directly onto a circuit board in LED lighting systems. They maximize lighting efficiency by controlling the direction, beam angle, and intensity of light. They are an indispensable part of professional LED lighting design.
How Do PCB Lenses Work?
Light emitted from an LED naturally disperses in all directions. A PCB lens collects this light and focuses it at a specific angle and direction. This way:
- Wasted light is minimized
- More light reaches the target area
- Energy efficiency increases
- Glare is reduced
Types of PCB Lenses
By Beam Angle
- Narrow Angle (5°-15°): Ideal for spot lighting, showcases, and displays. Concentrates light to a single point.
- Medium Angle (30°-45°): Suitable for general area lighting and office use.
- Wide Angle (60°-120°): Used for homogenous illumination of large areas.
- Asymmetrical: Designed to focus light in one direction for road and street lighting.
By Material
- PMMA (Acrylic): Most commonly used material. High light transmittance (92%+), lightweight, and economical.
- Silicone: Resistant to high temperatures, flexible, and UV resistant. Ideal for outdoor applications.
- Glass: Highest optical quality and heat resistance. Used in industrial and precision optical applications.
- PC (Polycarbonate): Impact-resistant, suitable for outdoor and industrial use.
Areas of Use for PCB Lenses
- 🛒 Stores and Showcases: Narrow-angle spot lenses that highlight products
- 🚦 Road and Street Lighting: Efficient road lighting with asymmetrical lenses
- 🏭 Industrial: Focusing lenses for high bay lighting
- 🏥 Office and Commercial: Wide-angle lenses for homogenous distribution
- 🌿 Agriculture (Grow LED): Lenses optimizing and focusing wavelengths for plants
- 🚗 Automotive: Lenses controlling light distribution in headlights and DRL systems
Choosing the Right PCB Lens
- LED Chip Compatibility: The lens must be perfectly compatible with the size of the LED chip used.
- Beam Angle: The correct angle should be chosen according to the application.
- Optical Efficiency: High light transmittance (90%+) prevents energy waste.
- Temperature Resistance: LEDs generate heat; the lens material must be resistant to this temperature.
- UV Resistance: UV-resistant material is essential for outdoor use.
Contact our expert team at DJ LED Shop to find the most suitable PCB lens solution for your project!
