The spelling of the term "active matrix screen" consists of four syllables: ac-tive ma-trix screen. In IPA phonetic transcription, this would be transcribed as /ˈæk.tɪv ˈmeɪ.trɪks skriːn/. The term describes a type of computer screen that utilizes a grid of pixels to display images. It is commonly used in LCD screens for laptops, tablets, and smartphones. The term "active" refers to the transistor used to switch each pixel on and off, while "matrix" refers to the grid structure of pixels.
An active matrix screen is a type of display technology commonly used in electronic devices such as smartphones, tablets, and computer monitors. Also known as active matrix liquid crystal displays (LCDs), these screens function by controlling each individual pixel on the screen to produce images and colors.
The term "active matrix" refers to the method of driving the pixels on the screen. In an active matrix display, each pixel is associated with its own transistor that actively controls its state. This arrangement allows for faster and more precise control over the pixels, resulting in higher-quality images with better color accuracy, contrast, and viewing angles compared to other display technologies like passive matrix.
Active matrix screens are composed of an array of thin-film transistors (TFTs) that act as switches. When an electrical signal is sent from the display controller, it passes through these transistors to activate the corresponding pixel(s) by allowing or blocking the passage of light. By controlling each pixel individually, active matrix screens can quickly refresh the screen, reducing motion blur in videos and improving overall responsiveness.
The use of active matrix screens has become widespread due to their high-resolution capabilities, energy efficiency, and superior image quality. These screens are capable of displaying a wide range of colors, making them ideal for multimedia applications and gaming. Additionally, their ability to operate at low power levels makes them suitable for portable devices.