How to Tell if My LED Mesh Display Are Gold wire LED

An Overview Of LED Mesh Display Technology

When you buy LED Mesh displays for high-end applications, you often need to choose gold wire LED beads. So how can I be sure that my LED grid screen is a gold wire transparent LED display and how to identify them? Next, Keto Long experts will share this knowledge.

Table of Contents

• The importance of gold wire in LED bead packaging
• The advantages and disadvantages of Gold wire LED encapsulation
  • How to Tell if My LED Mesh Display Are Gold wire LED
    
    
    • a) Diameter Deviation
    
    
    • b) Chemical composition test
    
    
    • c）Mechanical Properties Test (Pull-off Load and Elongation)
    
    
    • d) Surface quality inspection
• Conclusion:
• FAQs:
• Gold Wire LED Screen vs. Copper Wire LED Mesh Screen:

The importance of gold wire in LED bead packaging

Gold wire is really important in LED bead packaging. It’s used to encapsulate LED lamp beads, which are made from pure gold wire. This gold wire contains more than 99.99% gold, plus other trace elements like Ag/Cu/Si/Ca/Mg. Sometimes, welding also uses silver wire. This wire is 99.99% pure silver and contains 1% of other trace elements.

Gold wire is one of the most important parts of the LED lamp bead encapsulation process. It connects the light-emitting wafer and the welding point. It also affects how long the LED lamp bead lasts.

The advantages and disadvantages of Gold wire LED encapsulation

Pros:

• large electrical conductivity,
• good thermal conductivity,
• corrosion resistance,
• good toughness, excellent chemical stability, etc., b

Cons:

• the price of gold wire is expensive, resulting in high encapsulation costs.

Gold wire encapsulation vs. copper wire LED encapsulation:

There is much different between gold wire and copper wire in terms of conductivity, thermal conductivity, cost, and oxidation resistance:

How to Tell if My LED Mesh Display Are Gold wire LED

LED packaging factories sometimes use alloy materials instead of LED gold wire because it’s more expensive. This can cause the LED display to appear dim. If your Nationstar LED mesh display is not bright, you should check whether it’s the gold wire or something else.

a) Diameter Deviation

One gram of gold can be drawn to a length of 26.37m and a diameter of 50μm (2 mil) of gold wire. It can also be drawn to a length of 105.49m and a diameter of 25μm (1 mil) of gold wire.

If you keep the length of the gold wire the same and make it half the diameter, the resistance of the gold wire will be one-fourth of what it would normally be.

For LED customers, using gold wire with a smaller diameter on the cut corners will increase resistance, which could lead to a lower fusing current and shorter LED light source life.

It’s likely that a 1.0 mil gold wire will have a shorter lifespan than a 1.2 mil gold wire.

b) Chemical composition test

ICP purity test

Identify the purity grade of the gold wire and determine the added alloying elements.

LED key alloy wire is made of gold purity of 99.99% or more of the material drawn, which contains a trace of Ag, Cu, Si, Ca, and Mg and other trace elements. By designing reasonable alloy components, we can make the gold wire strong enough to withstand tension and bonding, and it won’t break easily.

Most bonding alloy wires should be high-purity alloys with a purity of 99.99% or more. The total amount of trace elements should be kept below 0.01% to maintain the characteristics of gold.

EDS composition test

Identify the type of material: gold wire, silver wire, gold-clad silver alloy wire, copper wire, and aluminum wire.

While these alternative metals are better than gold wire in some ways, they’re not as stable chemically. For instance, silver wire and gold-coated silver alloy wire are susceptible to sulfur, chlorine, and bromide corrosion, and copper wire is easily oxidized. These alternatives make the bonding wire susceptible to chemical corrosion, which reduces the reliability of the light source and makes the LED lamp beads prone to breaking the line.

c）Mechanical Properties Test (Pull-off Load and Elongation)

A good gold wire that can withstand the impact generated by the resin encapsulation must have a specified pull-off load and elongation.

At the same time, the breaking force and elongation of the gold wire play a key role in the quality of lead bonding. A high breaking rate and elongation of the bonding wire is more conducive to bonding.

Too soft gold wire will lead to the following malpractices:

• Sagging of the arch wire;
• Unstable ball shape;
• Easy shrinkage of the neck of the ball;
• The gold wire is easily broken.

Too hard gold wire will lead to the following defects:

• Pitting out the chip electrode or epitaxial;
• Breakage of gold ball neck;
• Difficulty in forming alloy;
• Difficulty in controlling the arc of the archwire.

d) Surface quality inspection

The surface of the wire should be free of more than 5% of the wire diameter of the scoring, pits, scratches, cracks, bumps, folding, and other defects that reduce the service life of the device.

Gold wire in the drawing process: any surface defects on the wire will increase the current density, making it easier for the damaged area to be burned. This also reduces the wire’s ability to resist mechanical stress, which can lead to damage to the inner lead and fracture.

Gold wire surface should be free of oil, rust, dust and other adherents, as these can reduce the bonding strength between the gold wire and the LED chip, and between the gold wire and the bracket.

Conclusion:

There’s a big difference in the price of LED displays. The LED chip package wire process plays a big part in this. Due to lower copper wire manufacturing costs, it is used for common LED display.

In practice, the copper wire process has a few issues when it comes to gold wire welding. For high-end LED displays, gold wire is the way to go.

If you’re looking for a top-quality gold wire LED screen, feel free to reach out. We can customize it to your specs.

FAQs:

What is the diameter of gold wire LED packaging?

The diameter of gold wire LED packaging usually ranges from 15 to 50 microns, with the exact choice depending on the size of the LED chip and the needs of the application.

What is the difference Between Gold Wire LED and Copper Wire LED:

The primary difference between Gold Wire LED and Copper Wire LED lies in the material used for the wire itself.

Gold Wire LED:

Gold wire LEDs typically refer to LEDs that use gold-plated wire as the conductor for the electrical connections within the LED chip. Gold is known for its excellent conductivity and corrosion resistance, making it a suitable material for electrical components.
Gold wire LEDs may be used in certain specialized applications where high reliability and performance are crucial. However, due to the high cost of gold, these LEDs are generally more expensive than those using other materials.

Copper Wire LED:

Copper wire LEDs, on the other hand, use copper as the material for the electrical connections. Copper is a widely used and cost-effective material with good electrical conductivity. It is a common choice for various electronic components.
Copper wire LEDs are more common and widely available, and they are often used in a variety of lighting applications. The lower cost of copper contributes to the affordability of these LEDs.
In terms of performance and functionality, both types of LEDs can provide similar lighting capabilities. The choice between gold wire and copper wire LEDs often depends on the specific requirements of the application, including cost considerations, performance needs, and the intended use of the LEDs.

Gold Wire LED Screen vs. Copper Wire LED Mesh Screen:

• Physical Property

The most important and highly benefitting feature of a gold wire LED Mesh screen is that its physical property is highly stable. As a result, the gold wire display can easily give you a quality performance, even in harsh environments.

Where on the other hand, a copper wire bonding in an LED Grid screen display can be easily oxidized outdoors. This makes them less durable and stable for outdoor usage, in comparison to the gold wire screens.

• Sizes

The gold wire encapsulated lamps in an SMD or DIP LED display have a larger LED chip size in comparison to that of a copper wire encapsulated lamp. Now this larger chip allows the LED lamp to portray high brightness while consuming less power.

Other than that, this large gold LED chip also provides the display with a better eating dissipation. As a result, the better the heating dissipation of an LED lamp assures that the LED display works as a more durable and long-term serving electrical appliance.

• Lamp Brackets

The different usage of lamp brackets in both the gold wire LED mesh screen and the copper wire LED mesh screen are also different. Since a gold wire encapsulated LED display uses a copper lamp bracket in the screen display, it helps to provide the display with a better heating dissipation.

However, copper wires are encapsulated with iron brackets, which make it less effective in terms of heating dissipation. Additionally, copper brackets also serve in durability, as they won’t face rusting issues easily.

• Price

Lastly, and most importantly, a gold wire LED curtain mesh screen is more expensive in terms of a copper wire LED. So the amount of money you can invest in an LED mesh screen is the major aspect that determines what qualities and how efficient of an LED performance you will avail. So if you’re planning to get something amazing, you need to put in an amazing amount too.

What are the advantages of Keto Long gold wire LED curtain mesh screens?

When it comes to high-end Transparent LED displays, many customers will first choose Keto Long Transparent LED display. As a professional transparent LED display manufacturer specially designed for high-end gold wire Transparent LED display, which has been favored by high-end requirement customers.

So, what is the advantage of the Keto Long high-end gold wire Transparent LED display? Let’s find out!

Gold wire lamp, reliable and stable

Keto Long’s indoor and outdoor Transparent LED displays all adopt high-end gold wire lamp optional solutions, relying on high-quality raw materials and ultra-high technology composed of chips (tube cores), welding wires, brackets, epoxy resin, etc., and have the following main features: 

High brightness

It uses large-size chips with high brightness, 99.99% pure gold wire packaging with excellent material, which has high oxidation resistance, protects the tube core, ensures stable contact, and extends the service life.

High contrast

The shell is designed with five sides of black ink to increase the contrast of the Transparent LED display; the epoxy resin uses a matte black light design, making them have good ink color consistency and high contrast.

Related:

Transparent LED Display: Why Choose Fexible Transparent LED Displays(LED Mesh Screen)?

High reliability and stable

The copper bracket metal material is used to enhance the heat dissipation performance of the LED display; waterproof grooves are added to the pins to effectively prevent moisture from penetrating and greatly improve reliability.

The A / B / H Series outdoor LED Mesh display is made of high-end gold wire lamps, is naturally noble and has strong oxidation resistance, good conductivity, high stability, and extended service life. It is favored by customers. In addition, outstanding advantages such as high definition and high refresh rate, dual-energy saving, excellent display effect, super weather resistance, and 3-year warranty are also important factors to attract customers.

HD high brush dual energy saving

The H Series Transparent LED Display uses high-end PWM-SS driver chips, with a refresh rate of up to 4K, and no water ripples when taking photos. With high definition, high contrast, and high gray scale, the display is delicate and vivid. Dynamic energy-saving technology combined with low transition voltage drive, dual energy-saving, comprehensive energy saving of 30-45%.

High grayscale processing

With 14-16 bits grayscale processing levels, the final image quality is delicate, smooth and natural.

Unparalleled weather resistance

Outdoor Kite series: Made of high-performance thermally conductive silicone, waterproof, moisture-proof, fast heat dissipation, super weather-resistant, and not afraid of complex and changeable natural environments; the mask is designed with matte shading, with superior ink color effect and high contrast; large viewing angle; unique reinforcement ribs Bottom shell structure design, stable and solid structure.

Indoor Fine pitch series: Standard high-quality pure copper power cord/tinned copper cable, not easily damaged; unique ribbed bottom shell structural design, not easy to deform, stable and solid structure;

Conclusion

Altogether, if we combine the above-mentioned details on both the gold and copper wire LED Mesh screen; one can easily determine that the gold wire Transparent LED displays serve as a better option. That’s because these LED Mesh screens are more durable in terms of working in LED outdoor advertising solution environments.

But since these LED Mesh screens are higher in the cost, there’s always a cheaper option of a copper wire LED display. This LED screen may serve as a better and reliable option for only indoor LED usage, but they can easily be purchased in low budgets too. So if your LED Mesh screen needs aren’t commercial or more for outdoor, having a copper wire LED is certainly not a bad option here!