how to led displays differentiate between 8 and b


How to LED Displays Differentiate Between 8 and B

LED displays are a prevalent choice in today's modern technology landscape. Their versatility and reliability make them the go-to option for many businesses and individuals alike. However, one common question that arises is how LED displays can differentiate between the numbers 8 and B. In this article, we will explore the answer to this question and provide some essential information on LED displays.

LED Displays - Brief Introduction

LED displays are electronic mechanisms that use light-emitting diodes (LEDs) to display information. These displays work by using semiconducting materials that convert electrical current into light. They are available in a wide range of sizes and resolutions, making them suited for various applications, from digital billboards to indoor signage.

The Problem - Differentiating Between 8 and B

The numbers 8 and B can look very similar, making it challenging to differentiate between them in some instances. The LED displays can sometimes display a continuous loop of the two letters, leaving people perplexed. A classic example of this is in identifying license plates on a vehicle. It can be challenging to read a license plate with an LED display that shows the letter B and the number 8 in a continual stream.

The Solution - Segment Display

The solution to this problem is to use a segment display on the LED. This display is a sequence of individual LEDs arranged in a specific sequence to create characters. Segment displays or Seven-segment displays are widely-used in electronic devices, particularly calculators and digital watches. A segment display consists of seven LEDs arranged in a rectangular shape, with one additional LED placed between the two vertical segments.

How a Segment Display Works

A segment display works by using the seven-segment setup to create various characters. Depending on which segments are turned on or off, a wide range of characters can be formed. The arrangement of the LEDs on the segment display is shown below:


| |

f| |b


e| |c

| |

_d_ *dp

Here, the seven segments represent distinct letters, and *dp indicates a decimal point. Essentially, by turning these LEDs on and off, numbers and letters can be formed, including the digits 8 and B.

Differentiating Between 8 and B on an LED Display

Segment displays work by keeping the LED segments separate, meaning that there's no continuous loop between 8 and B. In other words, the segments of a segment display are entirely distinct. Therefore, by using a segment display on an LED, differentiating between 8 and B becomes an easy and straightforward process.


In summary, LED displays provide a versatile and efficient way to display information. Differentiating between similar-looking characters, such as 8 and B, can be challenging on an LED display without a specific segment display. By integrating segment displays into LED displays, it becomes easy to differentiate between the two characters. So, it's an essential aspect to consider while selecting the right LED display for your needs.


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