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HOW DOES A TFT MODULE WORK?

How does a TFT module operate? First, TFT stands for “Thin Film Transistor,” and it describes the control elements that actively control the pixels. Because of that, you hear a lot said about active matrix TFTs. How do the images get produced? It operates on a basic principle. You have the TFT LCD display, which has many pixels, and each pixel has the ability to reveal differing colors.

TFT displays also use a backlight that comprises fluorescent tubes to light a single pixel. When a small shutter gets opened, the light passes through. Of course, this technology is more detailed than what can fit in this article, but a simple explanation can give you an idea of how it works.

Just like LCD

Ever heard of an LCD monitor? LCD stands for a monitor technology based on liquid crystals that change in molecular structure as it is used. As a result of the liquid crystal changing their molecular structure, they allow for varying levels of light to pass through them, which is what gives the picture.

Explaining RGB

Every pixel on any screen is made up of three components: Red, green and blue. You might also sometimes see this stated as RGB, which means the same thing. Twisted Nematic TFTs are the most common device that employ this tech. Without voltage applied, the molecular structure will be in its natural state, but twisted by 90 degrees, which is why they call it a Twisted Nematic TFT. When the light gets emitted by the backlight, it passes through the structure. Once the voltage gets applied, it creates an electric field, and the voltage twists the liquid crystals so that they align vertically.

When it comes to the color filters of red, green and blue, each pixel will be made of the color cells. With a resolution of 1280×1024 pixels, you will have exactly 3840×1024 transistors. Pixels are decisive, and if you have a smaller spacing, it will give you the highest possible resolution, which means better picture quality. What happens if you have to switch to a lower resolution, which is often the case when playing video games? When that happens, the electronics scales the electronic size up to the maximum display panel size.

To learn more about TFT LCD display or TFT technology, get in touch with manufacturers such as Microtips Technology. So Contact Microtips Technology Representative today to find out which LCD module is best for your needs.

What is an OLED?

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