How to choose your display module?

Display modules are an essential part of many electronic devices, including smartphones, laptops, and even medical devices. They come in different sizes, types, and resolutions, and choosing the right one can be challenging. Here are some factors to consider when selecting a display module for your next project.


  • Size: One of the first things to consider when choosing a display module is its size. You need to determine the space available for the module and the size of the screen you want to display. The most common sizes for display modules are 2.4 inches, 2.8 inches, 3.5 inches, 4.3 inches, 7 inches, and 10 inches. You should also take into account the aspect ratio of the screen, which determines the width-to-height ratio.

  • Resolution: The resolution of a display module is another important factor to consider. The higher the resolution, the clearer and more detailed the image will be. The most common resolutions for display modules are 320x240, 640x480, 800x480, and 1920x1080. You should also take into account the number of pixels per inch (PPI), which is a measure of the density of pixels on the screen.

  • Touchscreen: Some display modules come with a touchscreen interface, which allows the user to interact with the device by touching the screen. Touchscreens come in different types, including capacitive, resistive, and surface acoustic wave (SAW) screens. You should consider whether you need a touchscreen and if so, what type of screen would be best for your application.

  • Display Technology: There are several different display technologies available, including TFT (Thin Film Transistor), OLED (Organic Light-Emitting Diode), and LCD (Liquid Crystal Display). Each technology has its advantages and disadvantages, so you should carefully consider your needs before choosing one. TFT displays are known for their bright colors and fast refresh rates, but they are also expensive. OLED displays are thin and lightweight, but they can suffer from color degradation over time. LCD displays​ are less expensive than TFT or OLED displays, but they are also less bright and have a slower refresh rate.

  • Operating Temperature: You should also consider the operating temperature range for the display module. Some modules are designed to operate in extreme temperatures, while others are limited to a narrower range. You should choose a display module that can operate within the temperature range that your device will be exposed to.

  • Power Consumption: Display modules can consume a significant amount of power, so you should consider the power consumption of the module when choosing one. You should also take into account the power supply available to your device, as this will affect the size and cost of the module.

  • Cost: The cost of a display module can vary greatly depending on the size, resolution, and technology. You should determine your budget for the display module and choose one that meets your needs while staying within your budget.


In conclusion, selecting the right display module for your device requires careful consideration of several factors, including size, resolution, touchscreen, display technology, operating temperature, power consumption, and cost. By taking the time to research and compare the different options available, you can choose a display module that meets your needs and enhances the functionality and performance of your device.

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