High Brightness Edge-Lit LED Light Bar for Light Box

High Brightness Edge-Lit LED Light Bar for Advertising Light Boxes

Wallis high brightness edge-lit LED light bar is designed for professional advertising light boxes, double-sided light boxes, illuminated signage, retail displays and commercial display systems. Using high-performance OSRAM LED chips and precision PMMA optical lenses, the rigid LED bar delivers strong luminous output and controlled light distribution for bright, uniform light box illumination.

The listed models operate at DC24V and provide up to 2200 lm luminous flux with a 6500K cool white output. The constant-current design, aluminum PCB construction and efficient thermal management make this LED light bar suitable for commercial signage projects requiring stable brightness and reliable long-term operation.

For B2B buyers, Wallis can support model selection, project-based LED quantity calculation, professional cutting, connector soldering and customized light box lighting recommendations according to cabinet dimensions, installation structure and brightness requirements.

Key Features of High Brightness Edge-Lit LED Light Bar

• OSRAM LED chips for stable brightness and reliable commercial lighting performance.

• High luminous output of up to 2200 lm for advertising and display light box applications.

• DC24V operation for stable low-voltage commercial LED lighting systems.

• Constant-current design with conversion efficiency above 95%.

• PMMA high-efficiency optical lens for controlled edge-light distribution.

• 10 × 30° optical beam angle designed to project light across the light box interior.

• 6500K cool white light for bright, clean advertising graphics.

• Aluminum PCB construction for efficient heat dissipation.

• Multiple length and power options for different light box dimensions.

• CE and RoHS compliant for professional commercial lighting projects.

• 2-year warranty for the listed LED light bar series.

• Custom project support including cutting, connector soldering and lighting layout recommendations.

LED Edge Light Bar Technical Specifications

Note: Final LED bar dimensions, power supply configuration, installation spacing, waterproof requirements and wiring should be confirmed according to the actual light box design before mass production.

Why Choose an Edge-Lit LED Light Bar for Light Boxes?

High Brightness for Advertising Displays

High-output LED edge light bars provide strong illumination for advertising graphics, retail signage and commercial display systems. The A-10D500-OSRAM model provides up to 2200 lm, helping printed graphics remain bright and visually effective in demanding commercial environments.

Uniform Illumination for Double-Sided Light Boxes

Edge-lit LED bars are installed along the sides of the light box rather than directly behind the graphic. Correctly selected optical lenses project light toward the center of the cabinet, helping reduce dark zones and support consistent illumination across double-sided displays.

Precision 10 × 30° Optical Beam

The narrow asymmetric 10 × 30° beam angle directs light across the interior of the light box instead of concentrating illumination immediately around the LED. This optical design helps improve light transmission distance and lighting uniformity in suitable edge-lit structures.

High-Efficiency PMMA Optical Lens

A high-efficiency PMMA lens controls the direction and distribution of LED light. This helps manufacturers achieve more effective illumination while reducing excessive brightness close to the light source and dark areas farther from the edges.

Constant-Current Design for Stable Output

The constant-current circuit maintains stable LED operating conditions and supports conversion efficiency above 95%. Stable current helps maintain consistent brightness and reduces performance variation during long commercial operating periods.

Aluminum PCB for Efficient Heat Dissipation

Effective thermal management is critical for high-power LED light bars. The aluminum PCB transfers heat away from the LEDs more efficiently than conventional flexible PCB construction. An appropriate aluminum mounting profile is recommended for demanding commercial applications.

Safe and Stable DC24V Operation

The listed LED edge light bars operate at DC24V. The design supports stable low-voltage lighting systems commonly used in professional light boxes, signage and commercial display installations.

Edge-Lit LED Bar vs Backlit LED Bar: Which Should You Choose?

Choosing between an edge-lit LED light bar and a backlit LED light bar depends on the light box structure, graphic size, depth, lighting direction and required brightness. Using the correct lighting method helps improve uniformity while controlling installation and power costs.

If you are not sure which lighting structure is more suitable, provide Wallis with the light box dimensions, photos or drawings and whether the display is single-sided or double-sided. Our team can recommend an appropriate lighting layout before ordering.

Applications of High Brightness LED Light Bar

• Double-sided advertising light boxes

• SEG fabric light boxes

• Retail display light boxes

• Indoor illuminated advertising signage

• Commercial brand display panels

• Shopping mall advertising displays

• Exhibition and trade show displays

• Airport advertising light boxes

• Metro and railway station advertising systems

• Retail stores and branded showrooms

• Large-format edge-lit display systems

• Custom commercial illuminated display projects

How to Choose the Correct LED Edge Light Bar

1. Confirm the Light Box Dimensions

Provide the total length, width and internal depth of the light box. These dimensions determine the required LED light transmission distance, bar quantity, installation position and power supply capacity.

2. Confirm Single-Sided or Double-Sided Lighting

Double-sided light boxes often benefit from edge-lit lighting because the LEDs can project light from the cabinet sides toward both graphic surfaces. The final arrangement should be calculated according to the cabinet structure and required illumination.

3. Confirm Light Box Depth

Light box depth directly affects optical performance. The current Wallis product is particularly suitable for suitable edge-lit structures with sufficient internal space, including commercial light boxes around or above 80 mm depth depending on the display dimensions and materials.

4. Confirm Required Brightness

Indoor retail signage, airport advertising, exhibition displays and brightly lit commercial environments can have different brightness requirements. Wallis offers 22.5W and 9W models so the lighting layout can be matched to the project.

5. Confirm Graphic and Diffuser Material

Fabric, acrylic, backlit film and other diffuser materials transmit and scatter light differently. The final spacing and LED quantity should therefore be tested or calculated according to the actual light box construction.

How to Calculate LED Light Bar Quantity for a Light Box

There is no universal quantity formula for every advertising light box. The number of LED edge light bars depends on light box length, width, depth, graphic material, single-sided or double-sided structure, brightness target, beam angle and installation direction.

For example, a 115 × 250 cm light box may use LED bars along the two 115 cm sides if the optical transmission distance and internal structure allow sufficient illumination across the 250 cm span. However, the final arrangement should be verified according to actual project conditions rather than using size alone.

Send Wallis your light box dimensions and frame photos or drawings. We can help recommend the LED light bar model, approximate quantity, installation position and suitable wiring configuration before quotation.

How to Reduce Hotspots and Dark Areas in LED Light Boxes

Uniform light box illumination depends on the complete optical system rather than LED brightness alone. Incorrect LED spacing, unsuitable beam angles or insufficient light transmission distance can create visible hotspots near the edges and darker areas toward the center.

• Match the optical beam angle to the light box depth and width.

• Use an appropriate number of LED bars instead of simply maximizing power.

• Maintain consistent installation spacing.

• Select suitable diffuser, fabric or light transmission materials.

• Install LED bars in the correct direction toward the display area.

• Use adequate aluminum heat dissipation to maintain consistent LED output.

• Test large or unusual light box structures before mass production whenever possible.

B2B Custom LED Light Bar Solutions

Wallis supports sign manufacturers, light box factories, advertising display companies, retail fixture manufacturers, exhibition contractors, distributors and commercial lighting projects that require customized LED light bar solutions.

Depending on the confirmed project requirements, services can include LED bar model selection, professional cutting, terminal connector soldering, quantity calculation, wiring recommendations and project-specific lighting layout support.

Project Information Needed Before Quotation

To receive a more accurate LED light bar recommendation and quotation, please provide as much of the following information as possible:

• Light box length, width and internal depth.

• Single-sided or double-sided lighting structure.

• Graphic, diffuser or fabric material.

• Indoor or outdoor installation environment.

• Required brightness level.

• Required waterproof protection, if applicable.

• Whether 0–100% dimming is required.

• Frame photos, CAD drawings or installation structure drawings.

• Required LED bar quantity or number of complete light boxes.

• Connector, cable or other customization requirements.

Why Source LED Light Bars from Wallis?

OSRAM LED Chip Solution

The listed edge-lit LED light bars use OSRAM LED chips to support stable brightness and consistent lighting performance for professional signage and commercial display applications.

Professional Project Selection Support

Buyers do not need to select LED quantity based only on guesswork. By providing cabinet dimensions and installation details, customers can receive project-oriented model and layout recommendations.

Cutting and Connector Preparation

Because the aluminum PCB is difficult to cut cleanly with ordinary tools, Wallis can provide professional cutting and terminal connector soldering before shipment when required by the project.

Commercial Light Box Applications

The product is developed for professional advertising, retail, exhibition and commercial display applications where brightness consistency, installation efficiency and reliable LED operation are important.

Frequently Asked Questions About LED Edge Light Bars

What is an edge-lit LED light bar?

An edge-lit LED light bar is a rigid LED lighting source installed along the edges of a light box. Optical lenses project light across the cabinet instead of directly toward the graphic, making this lighting method particularly useful for suitable double-sided and edge-illuminated display systems.

What voltage does this LED light bar use?

The listed A-10D500-OSRAM and A-4D200-OSRAM models use DC24V input voltage. The power supply must be correctly sized according to the total connected LED load.

How bright is the high-power LED edge light bar?

The A-10D500-OSRAM model is rated at 22.5W and approximately 2200 lm, while the A-4D200-OSRAM model is rated at 9W and approximately 800 lm.

What color temperature is available?

The listed models use a 6500K cool white color temperature, which provides the bright white appearance commonly used for advertising light boxes and illuminated commercial graphics.

What is the beam angle of the LED light bar?

The listed models use a 10 × 30° optical beam angle. This controlled light distribution is designed to project illumination across suitable edge-lit light box structures.

Is this LED light bar suitable for double-sided light boxes?

Yes. The product is designed for suitable double-sided and edge-lit advertising light boxes. The final LED quantity and installation layout should be selected according to light box depth, dimensions and graphic material.

Can the aluminum LED edge light bar be cut?

Professional cutting is recommended. The aluminum PCB is approximately 2 mm thick and should not be cut casually with ordinary tools. If a custom length is required, provide the dimensions before ordering so Wallis can confirm cutting and connector preparation.

Why are different LED light bar lengths available?

Different light bar lengths allow installers to cover different light box dimensions more efficiently and help illuminate areas where a longer bar cannot fit. Final physical dimensions should be confirmed on the product drawing or quotation before production.

How many LED edge light bars do I need?

The quantity cannot be determined from light box size alone. It depends on cabinet depth, width, lighting direction, graphic material, required brightness and whether the light box is single-sided or double-sided. Send your dimensions and installation drawing for a project-based recommendation.

How can I prevent hotspots in an edge-lit light box?

Hotspots can be reduced by matching the correct optical beam angle with the cabinet dimensions, maintaining suitable LED spacing, using appropriate diffuser materials and positioning the LED bars correctly along the light box edges.

Can Wallis help calculate the LED bar quantity?

Yes. Provide the light box length, width, depth, single-sided or double-sided structure, frame photos and brightness requirement. Wallis can recommend the appropriate model and estimated LED bar quantity according to the project.

Can Wallis cut the light bars and solder connectors before shipment?

Yes. Custom cutting and terminal connector soldering can be discussed before production. This can simplify installation and reduce cutting errors at the customer's site.

Does the LED edge light bar require an aluminum profile?

An appropriate aluminum mounting profile is recommended for good thermal management, especially for high-power LED bars operating for long periods. Efficient heat dissipation helps maintain stable brightness and LED reliability.

What information should I send when requesting a quotation?

Please provide the light box dimensions, cabinet depth, quantity, single-sided or double-sided structure, installation environment, graphic material, waterproof requirement, dimming requirement and any available frame pictures or technical drawings.

Request a Quote for High Brightness LED Light Bars

Looking for a reliable LED light bar supplier for advertising light boxes? Wallis provides high brightness OSRAM edge-lit LED bars and project-based support for sign manufacturers, light box factories, display companies, distributors and commercial advertising projects.

Send us your light box dimensions, application, required quantity and installation drawings to receive a suitable model recommendation and quotation.