LED Bar Manufacturer for Light Box & SEG Display Lighting

With over 13 years of manufacturing experience, ADLED is a trusted LED light bar manufacturer specializing in backlit LED bars and edge-lit LED bars. Whether you're building SEG fabric light boxes, stretch ceilings, retail display systems, exhibition graphics, airport advertising displays, or architectural lighting projects, ADLED provides the right LED bar solution for every application.

Operating from our 12,000 m² ISO 9001-certified factory, we integrate automated SMT production, precision optical lens manufacturing, aluminum extrusion, and strict quality control under one roof. As a professional LED light box light source manufacturer, we provide factory-direct solutions with stable quality, competitive pricing, and reliable lead times for OEM, ODM, and wholesale customers worldwide.

Our product portfolio includes backlit LED bars for medium and deep light boxes, as well as edge-lit LED bars for slim light boxes and double-sided fabric light boxes. Designed for maximum efficiency, they deliver up to 160 lm/W, outstanding light uniformity, long-distance illumination, and reduced installation costs.

Trusted in more than 5,000 commercial projects across Europe and North America, every LED light bar undergoes rigorous optical, thermal, and electrical testing. All products are UL, CE, and RoHS certified and backed by a 5-year warranty with professional engineering support. Trusted by sign manufacturers, light box fabricators and display companies worldwide. Request a Free Quote

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OEM & ODM Backlit & Edge-Lit LED Light Bar Solutions

Every light box project has unique structural and lighting requirements. Whether you need backlit LED bars for large-format illuminated signs or edge-lit LED bars for double-sided light boxes, ADLED provides complete OEM and ODM manufacturing services tailored to your application.

From PCB design and optical lens development to aluminum housings, waterproof construction, cable assemblies, and customized packaging, every component is engineered for reliable commercial performance. Our experienced engineering team works closely with customers to optimize brightness, light distribution, thermal management, and installation efficiency.

Supported by automated SMT production, in-house tooling, and strict quality control, we supply high-performance lighting solutions for sign manufacturers, light box fabricators, display companies, and commercial lighting contractors worldwide. Start Your OEM Project

Backlit LED Bars for Large & Deep Light Boxes

Our Backlit LED Bars are engineered for medium and deep light boxes, fabric light boxes, acrylic light boxes, SEG displays, and large-format advertising signage. High-power LEDs combined with precision optical lenses deliver exceptional brightness, excellent uniformity, and long-distance illumination while minimizing hot spots and reducing the number of light bars required.

Ideal for:

  • Fabric light boxes

  • SEG light boxes

  • Stretch ceilings

  • Acrylic light boxes

  • Retail displays

  • Airport & metro advertising

  • Exhibition light boxes

Edge-Lit LED Bars for Double-sided Light Boxes

Our Edge-lit LED Bars are specifically designed for slim light boxes where installation depth is limited. Advanced side-emitting optics distribute light evenly across the entire graphic, producing bright, shadow-free illumination even in cabinets as thin as 35–60 mm.

Ideal for:

  • Slim light boxes

  • Double-sided light boxes

  • Frameless SEG displays

  • Retail light boxes

  • Commercial interiors

Custom OEM & ODM LED Light Bar Manufacturing

ADLED provides complete OEM and ODM manufacturing services for commercial lighting brands and signage manufacturers. We customize PCB layouts, operating voltage, LED density, optical lenses, beam angles, aluminum housings, wiring harnesses, waterproof ratings, connectors, and private-label packaging to match your exact project requirements.

Precision Optical Lens Technology

Our LED Bars are equipped with precision-engineered optical lenses designed to maximize light distribution and improve illumination uniformity across different light box structures.


We offer multiple optical lens options to suit various applications:

15° × 45° – Optimized for Edge-Lit slim light boxes

10° × 60° – Long-throw optical design for larger Edge-Lit displays

160° – Wide-angle illumination for Backlit light boxes

170° – Ultra-wide beam for maximum coverage and reduced LED quantity


Key Benefits

Excellent lighting uniformity

Minimized visible hotspots

Fewer LED Bars required

Reduced installation and material costs

Optimized for both Edge-Lit and Backlit light box applications

Aluminum Housing & Thermal Management

Designed for continuous commercial operation, our rigid aluminum LED bars provide outstanding heat dissipation, ensuring stable lumen output, longer service life, and improved reliability for demanding indoor and outdoor applications.

Engineering Support & Lighting Design

Beyond manufacturing, ADLED offers comprehensive engineering support for commercial projects. Our team provides:

  • Lighting simulations

  • CAD layouts

  • IES files

  • Installation spacing recommendations

  • Light box depth calculations

  • Technical consultation

Helping customers optimize light distribution, reduce material costs, and accelerate project approval.

LED Bar for Light Box Frame

LED Bar for Backlit Frames

Rigid LED Light Strip

Rigid LED Light Strip Edge Lit Bar 24V 18LEDs 5050 RGBW

Rigid LED Light Strip

Rigid LED Light Strip Edge Lit Bar 24V 18LEDs 1818

LED Rigid Bar

LED Rigid Bar Edgelight 24V 18LEDs 5050 RGBW

LED Light Bar

LED Light Bar Edge Lit 24V 10LEDs 1818

Rigid LED Light Bar

Rigid LED Light Bar Edge Lit 24V 8LEDs 1818

Rigid LED Strip

Rigid LED Strip Edge Lit Bar 24V 6LEDs 1818

Edge Lit LED Strip

Edge Lit LED Strip Bar 12V 24V 18LEDs 3030

Rigid Light Bar

Edge Lit LED Bar 12V 18LEDs 3030 RGB

Rigid Light Bar

LED Lights For Light Box 12V 24V 18LEDs 3030 Edge Lit LED Bar

LED Bar Light

LED Bar Light 24V 12LEDs 3020 CCT

LED Rigid Strip Light

LED Rigid Strip Light Backlight LED Bar 24V 28LEDs 5050 RGBW

LED Rigid Strip Light

LED Rigid Strip Light Backlight LED Bar 24V 12LEDs 3020 CCT

Backlit LED Light

Backlit LED Light Bar 12V 24V 14LEDs 3030

LED Backlight Strip

LED Backlight Strip Bar 12V 24V 14LEDs 3030

LED Strip Bar Lights

LED Strip Bar Lights Backlight LED Ladder 12V 24V 12LEDs 3030

Rigid LED Bar

Rigid LED Bar Backlight LED Lattice 12V 24V 12LEDs 3030

Rigid LED Strip Light

Rigid LED Strip Light Tunable White CCT Backlight Bar 24V 12LEDs 3030

LED Diffused Strip

LED Diffused Strip Tunable White CCT Backlight Bar 24V 12LEDs 3030

LED Light Box Installation Diagram

Proper installation is essential for achieving uniform illumination, maximizing energy efficiency, and extending the service life of your LED light box.

Whether you're using edge-lit LED bars for double-sided light boxes or backlit LED bars for large-format displays, the correct lighting layout, installation spacing, and power configuration all play a critical role in the final lighting performance.

At ADLED, we provide professional installation recommendations based on your cabinet depth, graphic size, and project requirements, helping customers reduce hotspots, improve lighting uniformity, and simplify on-site installation. Talk to Our Engineers

SEG fabric light boxes require highly uniform illumination to present premium printed graphics with clarity, depth, and strong visual impact. ADLED LED bars are engineered for Silicone Edge Graphics (SEG) systems, providing smooth, shadow-free illumination for both single-sided and double-sided fabric light boxes. Optimized optical spacing helps prevent hotspots, dark zones, and the “shadow ladder” effect often caused by conventional lighting layouts, ensuring consistent brightness, vivid color reproduction, and a refined display appearance.

These solutions are ideal for retail display light boxes, shopping malls, airport advertising, exhibition stands, commercial interiors, branded showrooms, museums, and other high-end display environments where flawless illuminated graphics are essential.

Professional LED Bar Solutions for Every Commercial Lighting Application

SEG Fabric Light Boxes

Stretch ceiling lighting requires wide-area illumination with excellent brightness consistency, soft visual comfort, and reliable long-term performance. ADLED LED bars are designed with high luminous efficiency, low voltage drop, modular interconnection, and effective thermal management, allowing installers to create seamless illuminated ceilings with faster installation and stable operation.

They are widely used in luxury hotels, automotive showrooms, corporate offices, shopping centers, museums, retail flagship stores, restaurants, and modern commercial buildings where elegant ambient lighting enhances the architectural experience.

Stretch Ceiling Lighting

Channel Letters & Illuminated Signage

Professional signage applications require stable brightness, compact installation, and dependable performance in long operating cycles. ADLED LED bars provide uniform illumination for illuminated signs, channel letters, sign cabinets, and branded display structures. Precision optics distribute light evenly across letters and sign faces, while the aluminum construction supports efficient heat dissipation and long-term reliability in demanding commercial environments.

They are suitable for channel letters, illuminated logos, sign cabinets, pylon signs, monument signs, wayfinding systems, retail branding, hospitality signage, and commercial architectural signage for both indoor and outdoor applications.

Large-Format Advertising & Infrastructure

Projects Large-format advertising and public infrastructure displays require powerful lighting systems that can operate continuously while maintaining brightness consistency over time. ADLED high-power LED bars combine high lumen output, excellent illumination uniformity, strong thermal performance, and long service life to help reduce maintenance frequency and ensure dependable 24/7 operation.

These lighting solutions are widely applied in airport advertising displays, railway stations, subway systems, shopping malls, exhibition centers, sports venues, public transportation hubs, and other large commercial or infrastructure projects where reliability, efficiency, and visual consistency are critical.

Slim & Deep Light Box Solutions

Different light box depths require different lighting strategies. For double-sided cabinets, ADLED edge-lit LED bars deliver efficient perimeter illumination in installation depths of 35–60 mm, helping reduce cabinet thickness while maintaining a clean, uniform graphic appearance. For medium and deep cabinets, ADLED backlit LED bars provide powerful direct illumination with optimized spacing to achieve consistent brightness across large display surfaces. Our engineering team can also recommend lighting layouts based on cabinet depth, graphic size, brightness targets, and installation conditions to improve performance and control system costs.

These solutions are suitable for slim retail light boxes, deep advertising light boxes, SEG fabric displays, double-sided light boxes, outdoor illuminated signage, exhibition graphics, commercial display systems, and fully customized illuminated display projects. Get a Free Project Consultation

Professional Engineering Support

Every light box project is unique. Based on your cabinet depth, graphic size, and brightness requirements, our engineers recommend the optimal edge-lit or backlit LED bar solution. We also provide lighting layouts, installation guidance, optical simulations, and IES files to help streamline design and achieve uniform illumination.

Complete OEM & ODM Customization

ADLED offers comprehensive OEM and ODM solutions for customers seeking customized LED bar products. We support tailored PCB layouts, optical lenses, input voltages, cable lengths, waterproof ratings, aluminum profiles, private-label branding, and packaging to meet different market and project requirements.

Consistent Quality You Can Trust

Reliable performance starts with consistent manufacturing. Every LED bar is produced under our ISO 9001 quality management system and undergoes LED binning, AOI inspection, electrical testing, and 24–72 hours of aging to ensure stable brightness, color consistency, and long-term reliability.

Reliable Supply & Global Delivery

With automated production, scalable manufacturing capacity, and extensive export experience, ADLED delivers fast sample production, dependable lead times, and efficient worldwide shipping. Our factory-direct supply model helps customers reduce procurement costs while ensuring responsive technical support and reliable product availability.

Why Global Light Box Manufacturers Work With ADLED?

Partnering with ADLED means more than purchasing high-quality LED bars—it means working with a reliable manufacturing partner dedicated to supporting your long-term business growth. We supply sign manufacturers, light box fabricators, exhibition builders, distributors, and OEM brands worldwide with factory-direct pricing, stable production capacity, and dependable delivery schedules.

Our integrated supply chain allows customers to source LED bars together with compatible power supplies, cables, connectors, controllers, and mounting accessories in a single shipment, simplifying procurement while reducing logistics costs. Supported by flexible MOQs, fast sample production, customized manufacturing, and efficient global shipping, ADLED helps customers improve purchasing efficiency, shorten project lead times, and build a more reliable supply chain for commercial lighting projects. Request Factory Pricing

Factory-Direct Wholesale LED Bar Supply for Global B2B Partners

Complete LED Bar Accessories

Industrial LED Drivers: High-quality 12V and 24V LED drivers, including Mean Well options, provide stable power output for commercial indoor and outdoor lighting applications.

Cables & Connectors: Durable extension cables, waterproof connectors, splitters, and quick-connect wiring simplify installation while ensuring secure and reliable electrical connections.

Lighting Control Systems: Compatible dimmers, RF controllers, DMX decoders, and RGB/RGBW/CCT control systems provide flexible lighting management for commercial and architectural projects.

Technical Support & LED Bar FAQs

How Do I Choose Between an Edge-Lit LED Bar and a Backlit LED Bar?

The best choice depends on your light box depth, display size, and illumination requirements.


Edge-Lit LED Bars are designed for double-sided light boxes with cabinet depths ranging from 80–600 mm. Installed around the perimeter of the frame, they deliver uniform illumination while keeping the cabinet slim. Standard models support a lighting distance of up to 1.5 m between opposing LED Bars, while our high-efficiency series can achieve illumination distances of 3–5 m, making them ideal for large double-sided advertising displays.


Backlit LED Bars are recommended for single-sided light boxes with cabinet depths of 40–200 mm. Installed behind the graphic, they provide powerful direct illumination with excellent brightness uniformity, making them the preferred solution for ultra-large advertising light boxes, SEG displays, retail signage, and other commercial backlit applications.


If you're unsure which solution is right for your project, our engineering team can recommend the optimal LED Bar layout based on your cabinet dimensions, display size, and brightness requirements.

Can you recommend the LED Bar spacing for my light box?

Yes.


The optimal spacing depends on several factors, including:

Cabinet depth

Graphic size

Diffuser material

Required brightness

Installation environment


Rather than using a fixed spacing, our engineers calculate the most efficient layout based on your project specifications to achieve maximum uniformity while minimizing the number of LED bars required.

Can you provide optical simulations or lighting layout support?

Absolutely.


Our engineering team supports commercial projects with professional technical services, including:

Optical layout recommendations

LED quantity calculations

Beam angle selection

Installation spacing

IES files (selected models)

Lighting simulation support

Power supply recommendations


This helps reduce installation risks and improves lighting consistency before production begins.

Can LED Bars be customized for OEM or ODM projects?

Yes.


As a factory with over 13 years of manufacturing experience, ADLED offers complete OEM and ODM services.

Customization options include:

PCB dimensions

Output voltage (12V / 24V / AC)

Beam angle

Power consumption

Cable length

Connectors

Color temperature

Waterproof rating

Aluminum housing

Private labeling

Packaging


Our engineering team can also develop customized optical solutions based on your project requirements.

How Do You Ensure Consistent Quality Across LED Bar Production Batches?

Consistent brightness and color performance are essential for commercial light box projects.


Every production batch undergoes strict quality control, including:

LED binning management

AOI inspection

SMT process control

Color consistency verification

Electrical performance testing

24–72 hour aging tests

Final quality inspection before shipment


This ensures stable brightness, consistent color temperature, and reliable long-term performance across every order.

What information do you need to recommend the right LED Bar solution?

To provide the most accurate recommendation, our engineers typically require:


Light box dimensions

Cabinet depth

Single-sided or double-sided structure

Graphic material

Indoor or outdoor application

Required brightness

Input voltage

Project location


Based on this information, we can recommend the most suitable LED Bar model, installation spacing, power supply, and overall lighting layout.

How can ADLED help reduce the total cost of my light box project?

Choosing the right lighting solution is not only about product price—it is about reducing the total project cost.


Through optimized optical design and engineering support, ADLED helps customers:

Use fewer LED Bars while maintaining uniform illumination

Reduce power consumption

Simplify installation

Minimize maintenance costs

Improve long-term reliability

Shorten project lead times


Our goal is to help customers achieve the best balance between brightness, efficiency, installation cost, and long-term performance.

How Can I Prevent Hotspots in LED Light Boxes?

Hotspots are usually caused by incorrect optical design rather than the LED Bar itself.


To achieve smooth and uniform illumination in LED light boxes, several factors must work together, including:


Selecting the appropriate Edge-Lit or Backlit LED Bar

Matching the beam angle to the cabinet depth

Optimizing LED Bar spacing

Using high-quality diffuser materials

Maintaining proper installation tolerances

Choosing the correct light output for the application


With over 13 years of experience in commercial light box lighting, ADLED has helped customers worldwide develop display systems with cabinet depths 40–200 mm while maintaining excellent brightness uniformity and minimizing visible hotspots.


Simply share your light box dimensions and project requirements, and our engineering team will recommend the most suitable lighting

Request a Factory-Direct Quote for Your LED Bar Project

Whether you're developing a standard product line or a custom lighting solution, ADLED is ready to support your project with expert engineering and factory-direct manufacturing. Our team provides fast quotations, product recommendations, sample support, and professional lighting layout advice to help you complete your project efficiently and cost-effectively.

Contact us today to request a quotation, receive samples, or discuss your OEM & ODM requirements with our LED bar specialists.