How foldable phone screen folded without breaking know technique

How foldable phone screen folded without breaking know technique


The craze for foldable phones is increasing rapidly in the country and the world. Seeing this craze, mobile companies have also launched touchscreen foldable phones in the market. The user gets a different experience by using a foldable phone. But has this question ever come to your mind that how does a screen made of glass fold easily without breaking? So let’s know what is the technique behind this.

It is not that the trend of foldable phones has just started, foldable phones have been available in the market for many years. But they did not have a full display glass screen and those phones also had buttons. But the foldable and flip phones that mobile companies are launching now are completely touch screen. Actually, OLED is used instead of LCD in most foldable phones. The image we see on the phone is made up of millions of color specs. There are different ways to get images from these specs. These methods are called LCD, OLED, Micro LED or Mini LED.

LCD and OLED what is the difference

Both LCD and OLED screens are used in phones. While in LCD display, the backlight needs a layer of screen. This is why LCD becomes thick. In contrast, in OLD, pixels light up when power is supplied. That is why its screen is thin and folds easily. However, in these foldable phones, plastic display is used instead of glass. Everyone knows that glass cannot bend. This is why now plastic display is used in foldable phones, which folds easily. Apart from this, these do not get damaged even after opening and closing the phone repeatedly.

OLED display also has many layers-

Substrate Layer- Acts as the base of the screen.
TFT Layer- Controls the power.
OLED Layer- Releases the light.
Cover layer- Provides protection to the remaining layers.

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