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Iron vs Aluminum vs Die-Casting LED Cabinet Display, Which is Preferred?

by | Feb 24, 2024 | Blogs | 0 comments

LED screens cabinets or frames are the units that allow led display manufacturers to assemble all the LED’s parts. Now the use of cabinets is to simply divide all the parts of a LED display, because of their large and gigantic size. This is necessary because larger LED displays require proper dividing of each of the components inside during assembly, so it requires compartments for the task.

As a result, manufacturers tend to use LED display cabinets to create those large LED screens that we see around. Now, this might come new to you, as most people gather an observation that an LED screen mainly consists of a single screen – because that’s all that is visible. But the box that we see on the other side of the screen carries everything that makes your LED display perform splendidly. Now keeping that factor in mind, the cabinet of a LED display allows you to better and more easily install, disassemble, and maintain your LED display screen.

Iron vs Aluminum vs Die-Casting LED Cabinet


Iron cabinet led display

Die-Casting LED Cabinet:

Talking about the LED display cabinets and how they help us better utilize our LED screens, it isn’t hard to say that it’s an important aspect of the entire LED screen. This makes it more important for one to understand the criteria of a die-casting LED cabinet in the LED screen. We called it die-casting, because these cabinets are made of different materials (mostly metals), and are die-casted in different sizes – all according to the criteria of the LED screen that you want to assemble.

Now there are many LED cabinet materials like carbon fiber, Nano polymer, magnesium alloy, and other such materials. But since we’re talking about the larger sized LED screens, and the most common and highly preferred materials used for die-casting LED cabinet; these two are undoubtedly the most obvious ones.

But you can’t have a clearer understanding of which materials are suitable for your LED screen and are more preferred, due to the different working and advantages provided by each one of them. Therefore, it is very important to understand the role these materials play in the cabinets of your LED display, and only then, you can make an efficient decision.

Iron LED Cabinet:

Undoubtedly, iron one of the most widely used body material in making an iron LED cabinet. One of the major reasons for that is the decent price it comes in, and the quality sealing it offers the LED display’s assembly. The major reasons for its usage include:

  • It is a highly suitable option for fixed LED display advertisements, as it comes as a heavyweight option. 
  • Due to its stellar structure, the iron LED cabinet has a customization ability that allows you to cut and bent it in a variety of shapes. 
  • Since the heavyweight and high-quality portrayal of this LED cabinet material makes it a perfect LED advertisement option for outdoors, it is also suitable to withstand all sorts of weather conditions. 

All this simply determines how an iron casing of a LED display makes the cabinet of the screen a lot more strong and efficient. But this doesn’t mean that they are suitable for any usage and installing location; as these types serve well as large outdoor screens and advertisement displays only. 

Aluminum Led Cabinet: 

The aluminum LED cabinet is quite similar in terms of performance. Their light weight is certainly not a drawback of these types of cabinets, but they ensure that these cabinets are not suitable as large outdoor LED advertisements,more like suitable for indoor led display for events. But that’s not all to the benefits that come along with this, as there’s a lot more.

Some of its beneficial features include:

  • This type of cabinet serves as a lightweight, deeply structured, and a high precision cabinet option. 
  • Since these are new and an upgraded option of the traditionally used display boxes, you can avail of an updated structure and performance from them. 
  • These cabinets make a suitable display screen for the usage of compact indoor rental LED screens.  
  • Since these are lightweight and an indoor LED display option, you can easily get through the maintenance process without any difficulties. 

With all this discussion, it is quite obvious that the aluminum LED cabinet serves as a more reliable and easier to install, lightweight, and highly secure LED display cabinet option. 

FeatureIron CabinetDie-casting Aluminum CabinetMagnesium Alloy Cabinet
WeightHeavyLightLow density, lighter than aluminum
StrengthInsufficient strengthHigh strength, strong toughnessHigh strength, greater impact load capacity than aluminum alloy
PrecisionPoor precisionHigh precision (accurate to 0.1mm)High precision
SealingGood sealing
InstallationUltra-light, easy to install; quick locking mechanism allows fast installation (10 seconds for a box)Easy to install
StructureReasonable structure, allows for seamless splicing; designed for hoisting structure, more convenient and firm installation
Heat DissipationGood heat dissipation effectExcellent heat dissipation
Splicing and FlatnessMolding at one time ensures better flatness and effectively controls tolerance range; solves the problem of cabinet seam
MaintenanceExtremely convenient
Design and AppearanceNo visible connecting wires; can be classified into indoor and outdoor, rental, etc.
MaterialDie-casting aluminumMagnesium alloy, with good corrosion resistance of organic matter and alkali
Cost of OperationLow power consumption, saving operating costs; light weight reduces installation costs
VersatilityGenerally used for outdoor large screensCompatible with both indoor and outdoor requirements, suitable for hoisting and stacking
Labor EfficiencySaves labor for transportation due to ultra-thin design

LED Screen Cabinet Types And Uses

Here’s a table summarizing the different types of LED screen cabinets and their uses, as detailed in the content provided:

Cabinet TypeUseCharacteristics
Fixed (Outdoor Use)Outdoor installations– Designed to withstand various weather conditions.<br>- Double back door design for easy access and assembly.
– Made with weather-resistant materials, which may increase weight.
– Requires safe, careful, and professional installation.
Fixed (Indoor Use)Indoor installations (e.g., stores, shops, museums)– Thinner panels and more openings.
– Lightweight due to the absence of weather-resistant materials.
– Easy to install and more affordable.
External Facade CabinetsOutdoor screens on walls (e.g., billboards)– Lighter weight for ease of installation on facades.
– Uses front maintenance for convenience.
– Generally has a higher price range compared to other types.
Easy Assemble and DisassembleEvents and exhibitions– Features easy-assembling mechanisms such as safe-locking.
– Lightweight and easy mobility for frequent setup changes.
– Typically the most expensive due to manufacturing demand and the complexity of mold-extruded aluminum construction.
PersonalizedCustom installations– Standard sizes, designs, and structures are available, but customization is also offered.
– Allows for better project customization but may lead to longer manufacturing, designing, and delivery times.
– Tailored to new features and designs as requested by the customer.

How To Identify The Suitable Cabinet Material For My Project?

To identify the most suitable cabinet material for your LED screen project, consider the following points:

Consideration PointDescription
Installation EnvironmentDetermine if the display will be installed indoors or outdoors. Outdoor displays require materials with high strength and precision due to exposure to various conditions.
IP Rating RequirementsConsider the material’s impact on the device’s Ingress Protection (IP) rating. The material should support the desired level of protection against solids and liquids.
Purpose of the LED DisplayDecide whether the display will be for rental or a fixed installation. Rental displays often require lightweight materials for easy assembly and disassembly.
Budget ConstraintsYour budget will significantly influence the choice of material. Some materials may offer a balance of cost and performance, fitting your budget and project requirements.
Summary of Material CharacteristicsEach cabinet material offers unique features, such as durability, weather resistance, and ease of installation, which should match your project’s specific needs.

More LED Display Cabinet Knowledge:

Curved LED display cabinet

Flexible LED screen

Flexible LED screen, curve LED display

Curved LED display cabinet

Curved LED display cabinets are designed to fit curved LED screens. There are two main types of arc-shaped cabinets: the outer and inner arc-shaped. Arc-shaped cabinets are usually made up of an arc-shaped cabinet, with normal materials for unit boards and modules, and an arc-shaped steel structure. Designed to create various curved displays.

Front-maintenance LED Display Cabinet
Front maintenance LED Display Cabinet

The front-turning LED Display cabinet is used for special occasions to create the front maintenance LED display screen and the front opening LED screen. The cabinet is made up of two halves: the front and back halves are joined at the top, and the bottom half is opened.

Cabinet structure: The entire cabinet opens up from bottom to top. The components in the cabinet can then be maintained and repaired after locking the buttons and the cabinet is waterproof.

Application: Ideal for outdoor LED displays, installed in rows of cabinets and without maintenance spaces behind.

Pros and Cons:


It is easy to repair and maintenance for the LED screen when there isn’t a space behind it. 


It will use multiple power cables and cords that can affect communication and power supply efficiency and increase production costs.

Double-sided LED Display cabinet 

Double-sided LED Display cabinet

Double-sided LED display cabinets are also known as LED double-sided display cabinets. They are used primarily for LED displays that need to be shown on both sides.

Structure of the cabinet: A double-sided LED screen cabinet is two front maintenance LED screens connected back-to-back. Double-sided cabinets are also special structures that turn forward. The middle is fixed, and both sides are attached to the upper half. The side that requires repair or maintenance may be opened up during maintenance.

  1. The screen area cannot be too large, usually one cabinet and one LED screen; 
  2. The main installation method is hoisting. 
  3. Both sides of the LED screen can share an LED control card. The control card is a partition control board. In general, the display areas are the same on both sides. 

The Future of LED Display Cabinets

Small-pitch LED technology has been gaining popularity in recent years. It offers better display effects, and better integration of new technologies, like 3D, VR/AR and interaction. The rapid development of small-pitch LED displays has led to a revolution and improvement of the engineering display industry. During the process, we also found out about some changes that LED Modules based on iron cabinet technology are no longer able to meet the needs of small-pixel LED displays due to their weight, precision and strength. New module materials are gaining market attention.

Die-cast aluminum LED display Cabinets

Die-cast aluminum LED display cabinets are becoming lighter after several years of development. The structure has become more rational, the precision is better, and they can achieve seamless splicing. Die-cast aluminum LED display cabinets are not just an upgrade to the traditional display cabinets, they have been thoroughly optimized and improved in terms of performance and structure, like Doitvision’s FP series small pixel LED display cabinets are very accurate in splicing and easy to disassemble. 

Iron vs Aluminum vs Die-Casting LED Cabinet Display, Which is Preferred? 1

In addition to Die-cast aluminum LED display cabinets, there are also many other materials that are gaining attention. For example, carbon fiber, magnesium alloy, nano-polymer materials, etc. These materials are often used to replace common LED display cabinets. Each has its own advantages.

Carbon Fiber LED Display Cabinet
 Fiber LED Display Cabinet

It is ultra-thin and light and strong, with a 1.5-ton tensile force, and only 9.4kg of weight per square meter. It also adopts a modular design that makes maintenance easier. The right-angled 45-degree edge allows for 90-degree installation of the LED screen. It is ideal for large-area installations in sports venues or outdoor advertising advertising.

Magnesium Alloy LED Display Cabinet

Magnesium Alloy LED Display Cabinet

It is a low-density alloy (about 1.8g/cm3) with high specific strength and large elastic modulus. It also has good shock absorption and heat dissipation. It can withstand greater impact loads than aluminum alloy and resists organic matter and acid corrosion. The advantages of using magnesium alloy LED display cabinet are high performance, ease of installation, and excellent heat dissipation.

Nanopolymer LED display cabinet

The cabinet is lighter and shockproof than traditional cabinets. A single cabinet weighs only 4.5 kg to 5.1 kg. The cabinet is easy to load and unload. 

LED displays have become increasingly popular with customers. As a result, customers are increasingly choosing LED displays that meet their diverse and customized needs. Doitvision, a leading LED display supplier will constantly explore new materials that are more reliable and cost-effective to meet the needs of the customers.


Now we started from considering the LED screen’s cabinets need and the role of the different materials in these cabinets. But like any other comparison, it’s obvious for one to think of the more suitable or preferred option here too, right? Well, talking about that, we can’t determine one suitable or preferred material of LED cabinets. That’s because the top used materials serve in making different sizes and types and pitch of LED screens; making them highly suitable according to your installation needs.

So, whether you go for iron LED cabinet, aluminum LED cabinet, or die-casting LED cabinet with some other material – if you choose the right material according to your installation requirements, you are sure to avail of an efficient outcome.

About the Author

Kris Liang

Kris Liang

Founder/LED display expert

Kiris Liang is the founder of Doitvision. 12 + years in LED visual industry. Full passion of LED, product designer & chief salesman. Looking for teammate of technical/ marketing / sales.

Connecting people relative with LED displays.

Email: kris@doitvision.net