Hard Bar Lighting For 3meters Light Box Supplier

professional designed for 3m light box with higher power LED chips, higher brightness .280LM chips make no any dark dot in the lighting box .20mm thich aluminum board has excellent heat dissipation performance.

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Hard Bar Lighting For 3meters Light Box Supplier, newly designed  and adopt high power 3W 9V LED chip, 280-300LM high brightness , perferctly work for 3meter length lighting box.


1:Edge-lit rigid bar. SMD3535    24VDC 50W/PCS  5000LM/PCS
2:IP20 with 10*30 degree lens.                                  
3: both ends take 10cm terminal cable(male+female)

4:950*25*2mm (18leds) 

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Compared with ordinary rigid bar, the Hard Bar Lighting For 3meters Light Box installs various electronic component to get better safety and durability

1: Sensor

In the circuit, it has the functions of controlling current, storing energy, filtering and variable voltage


It is the core of the control circuit and its function is switch feedback control

3:SMT diode

The main functions include rectifier, switch, protection circuit, etc


Resistance is a commonly used component in the circuit, its basic role is to limit the flow of current, and play the role of regulating voltage and amplifying signal in the circuit

5: Capacitor

The stability of the circuit is maintained by storing and releasing charges to filter out the noisy signals generated in the circuit.
Energy storage. It can store charge in the circuit and release it when needed, smoothing current fluctuations, reducing noise in the power supply and improving the stability of the circuit.

How to choose the right lighting source for light box?

Choosing the right lighting source for a light box when making a billboard is crucial for ensuring visibility, attractiveness, and energy efficiency. Here are several key considerations and tips to help you select the best lighting source for your light box billboard:

1. Type of Lighting

LED Lights:

  • Energy Efficiency: LEDs consume less power compared to other light sources, making them cost-effective in the long run.

  • Brightness and Clarity: LEDs provide bright, consistent illumination, ensuring that your billboard is visible both day and night.

  • Longevity: LED lights have a long lifespan, reducing maintenance and replacement costs.

  • Color Options: Available in various color temperatures, from warm to cool whites, and even RGB options for dynamic displays.

2. Brightness and Uniformity


  • Ensure the lighting source provides sufficient lumens to make the billboard stand out. For outdoor billboards, higher lumens are often required due to ambient light interference. Our Hard Bar Lighting For 3meters Light Box get 5000lm/m can perfectly meet your needs.


  • Uniform lighting is crucial to avoid dark spots or overly bright areas. LED lights typically offer better uniformity compared to fluorescent tubes. Edge-lit and backlit designs are popular with LEDs to ensure even distribution.Our Hard Bar Lighting For 3meters Light Box use 10*30 degree lens to get the right beam angle .

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3. Color Temperature

  • Cool White (5000K-6500K): Ideal for high visibility and contrast, making text and images stand out sharply. This is often preferred for billboards in commercial areas.

  • Neutral White (3500K-4500K): Provides a balanced light that works well in various settings.

  • Warm White (2700K-3000K): Creates a softer, more inviting glow, but may not be as attention-grabbing as cooler temperatures.

4. Weather Resistance and Durability

  • Waterproof and Dustproof: Ensure the lighting components have appropriate IP ratings (e.g., IP65 or higher) to withstand outdoor conditions.

  • Temperature Tolerance: Select lights that can operate in the expected temperature range of the billboard’s location.Our Hard Bar Lighting For 3meters Light Box has 2mm thickness aluminum board which has excellent heat dissipation performance when working.

5. Energy Efficiency and Environmental Impact

  • Low Power Consumption: Choose lighting sources that provide high luminosity with low power usage to reduce operational costs.

  • Eco-Friendly Options: Consider LEDs as they have a smaller environmental footprint, contain no hazardous materials like mercury, and are recyclable.

6. Installation and Maintenance

  • Ease of Installation: Choose lighting solutions that are easy to install, with clear instructions and minimal additional components. Hard Bar Lighting For 3meters Light Box installs 18pcs LEDs in one meter with adhesive tape backside, easy and fast when installs,  lower cost .

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  • Maintenance Requirements: Opt for lights with a long lifespan and minimal maintenance needs to save on long-term costs and effort.

7. Cost Considerations

  • Initial Investment vs. Long-Term Savings: While LEDs might have a higher upfront cost, their energy savings and longevity often result in lower total cost of ownership compared to other lighting options.

  • Warranty and Support: Check for warranties and customer support to ensure you’re covered in case of defects or issues.

8. Visual Impact

  • High CRI (Color Rendering Index): A higher CRI (80+) ensures that the colors on your billboard appear more vivid and true to life.

  • Consistency in Color and Brightness: Ensure that the lighting maintains consistent color and brightness over time to keep your billboard looking professional.

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