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LCD, LED Technology Explained as Simplest Possible | LCD, LED TV | LCD, LED Display |

 

LCD

It stands for "Liquid Crystal Display." LCD is a flat panel display technology commonly used in TVs and computer monitors. It is also used in screens for mobile devices, such as laptops, tablets, and smartphones.


How LCD works??

The backlight in the liquid crystal display provides an even light source behind the screen. This light is polarized, meaning only half of the light shines through to the liquid crystal layer. The liquid substance is made up of solid, liquid substances that can be twisted by applying an electric voltage. The crystals block the light when they turn off, but they produce red, green and blue light when they are activated.


More info

Each LCD screen contains a matrix of pixels that display the image on the net. Each pixel controlled by sending a charge to a specific row and column and the set of matrix used here is known as a passive matrix.


As the charge doesn't remain consistent, the footage results in blurry when images are produced frequently.

To solve this problem, the company introduced "TFT", which stands for "Thin-Film Transistors". These transistors include capacitors that enable individual pixel to retain their charge, which results in a reduction in blurry footage and better image quality.

The set of the matrix also renamed Active Matrix.


Note: An LCD's backlight may either be a traditional bulb or LED light. An "LED display" is simply an LCD screen with an LED backlight. This is different from an OLED display.

OLED also include the word LED, but this is an entirely different technology, and even they are manufactured differently.


Do you remember OLED ??

😁😊

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