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Updated December 16, 2024

LED Display Flexible Flat Cable: The Difference Between 16P, 20P, and 26P

DV

DOIT VISION Engineering Team

15 core engineers · Shenzhen, China Last reviewed:

December 16, 2024

LED display Flexible Flat cables play an important role as the core component of connection and signal transmission. They are like blood vessels in the human body, transmitting various signals and data to each pixel, so that the LED display screen can work normally. LED display cables have three common types: 16P, 20P, and 26P, each of which has unique characteristics and application scenarios. So what is the difference between them and how to choose? Let’s take a look at their importance first.

The importance of high-quality LED display Flexible Flat cables

LED display Flexible Flat cable

LED screen Flexible Flat cables are indeed a bridge for signal and data transmission, and are also the key to ensuring the normal operation of LED displays. They have the following key functions:

Connection function

The cables connect various components in the LED display screen, such as control cards, LED unit boards, etc. They enable the entire display screen to form an organic whole and work together. If the cable connection is poor or fails, the signal transmission will be interrupted, which will affect the normal display of the display screen.

Signal and data transmission

The cable is responsible for accurately transmitting the instructions and data issued by the control card to each LED lamp bead. These instructions and data include display content, brightness adjustment, color control, etc. They are the basis for the LED display to present colorful and clear images. If there is a problem with the cable, such as poor contact, signal attenuation, etc., the LED display will appear flowery, flickering, incomplete display, etc., which seriously affects the viewing experience.

Impact on display effect and stability

Display effect: High-quality Flexible Flat cables can make signal transmission more stable. On the contrary, if the cable quality is poor or fails, the display effect will be reduced, and problems such as blurred images and color distortion will occur.

Stability: The quality and performance of the cable also directly affect the stability of the display. A well-designed Flexible Flat cable can reduce signal interference and attenuation and improve the anti-interference ability of the LED display. In complex environments, such as  strong electromagnetic interference places, high-quality cables can ensure the stable operation of the display.

Differences between 16P, 20P, and 26P cables

Number of interface pins

16P cable

16P cable, as the name suggests, has 16 pins (Pin) for signal transmission and other functions. Since the number of pins of the flat cable is relatively small, it has been widely used in some LED display connection scenarios where the data transmission requirements are not particularly high or the functions are relatively simple.

Application scenarios:

  • Small monochrome LED display
  • Price display in the store
  • Promotional information, etc.
  • Simple display content
  • Small amount of data

Cost-effectiveness:

Since the structure of the 16P flat cable is relatively simple and the number of pins is small, its cost is relatively low. Therefore, for some more cost-sensitive LED display projects, the 16P flat cable has become the first choice.

20P flat cable

Compared with the 16P flat cable, the 20P flat cable has 4 more pins, so its data transmission capacity has been significantly improved.

Application scenarios:

  • Medium-sized LED display screens such as indoor conference displays.
  • Simple color images or animation effects
  • More data and control signals.

The 20P flat cable provides more signal transmission channels by increasing the number of pins, thereby meeting these requirements.

Control function:

In addition to data transmission, the 20P flat cable can also achieve more control functions through additional pins. For example, brightness adjustment, screen partition control, etc. Therefore, 20P flat cable is often used in LED display applications that require multiple control functions.

26P flat cable

The 26P flat cable has 26 pins, which is the most pins among the three types of flat cables. Therefore, it has reached a higher level in data transmission capability and control function.

Application scenarios:

  • Large outdoor LED display
  • High-end indoor LED display

Since these displays require high resolution, high refresh rate and full-color display, 26P flat cable can cope with these complex and demanding application scenarios.

Technological advancement:

More advanced shielding and anti-interference technology

Stable data transmission in complex electromagnetic environments

In addition, 26P flat cable can also perform well in harsh environments such as outdoor display screens.

Data transmission capability

Since the 16P flat cable has a relatively simple structure and fewer signal transmission paths, it can transmit data more reliably in some relatively stable and simple environments.

However, when faced with some external interference factors, such as strong electromagnetic sources nearby or in an environment where multiple devices are intensively used, the 16P flat cable has relatively weak anti-interference ability. This may cause temporary instability in data transmission, which in turn causes slight flickering or noise on the display screen.

20P cable

Compared with 16P cable, 20P cable has improved data transmission stability.

In some medium-complexity display tasks, 20P cable can maintain good stability. Because 20P cable provides more signal transmission channels by increasing the number of pins, it disperses the impact of interference on data transmission to a certain extent.

Although the anti-interference performance of 20P cable is improved compared with 16P cable, some slight image fluctuations or color deviations may still occur under extreme interference conditions. However, in general, the stability of 20P cable can meet the needs of most medium-complexity applications.

26P cable

Thanks to more pins and more complex design, 26P cable performs well in data transmission stability.

In large outdoor LED display applications, 26P cable can ensure stable data transmission. Even in complex electromagnetic environments, such as billboards in the city center. 26P cable effectively filters out various interference signals by adopting advanced shielding and anti-interference technology, thereby ensuring the clarity and stability of the display.

In addition, 26P cable can also perform well in high-end indoor display applications. Such as scoreboards in stadiums, etc.

Summary

In short, 16P, 20P, and 26P cables have their own advantages. Which cable to choose depends on your LED screen application and needs. We have introduced the characteristics and performance differences of these cables in detail. If you are considering using a full-color LED display, then 26P cable is undoubtedly the best choice.

With the continuous development of LED display technology, the performance requirements for cables will continue to increase in the future. For example, higher data transmission rate, stronger anti-interference ability, smaller size and lower cost. Although it is a small component, in order to improve better stability, Doitvision uses the first and most advanced LED screen cable technology to meet the application needs of future LED displays.

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Manufacturer
DOIT VISION
Founded
2013, Shenzhen, China
Headquarters
Shenzhen, Guangdong, China
Certifications
CE, FCC, RoHS, CB, ISO 9001
Official Website
https://www.doitvision.com/