What is TFT meaning?

Blaze Display Technology Co., Ltd. | Updated: Nov 27, 2018

TFT means “thin film transistor”, it is a display technology of lcd display, lcd stand for “liquid crystal display”, both are flat display panel for the screen such as a computer monitor or television set. An LCD is a fluidic display device that uses a crystalline filled liquid to manipulate a rear illumination polarized source by means of an electrostatic field between two thin transparent metal conductors such as indium tin oxide (ITO) in order to present an image to the viewer.  LCD included passivity-matrix lcd and active-matrix lcd, TFT is active-matrix lcd display, most of monochrome lcds are passivity-matrix lcd. A thin-film transistor (TFT) is a special kind of MOSFET (metal-oxide-semiconductor field-effect transistor) made by depositing thin films of an active semiconductor layer as well as the dielectric layer and metallic contacts over a supporting (but non-conducting) substrate.

 

TFT-based displays have a transistor for each pixel on the screen. This allows the electrical current that illuminates the display to be turned on and off at a faster rate, which makes the display brighter and shows motion smoother. LCDs that use TFT technology are called "active-matrix" displays, which are higher-quality than older "passive-matrix" displays. TFT technology provides the best resolution of all the flat display technologies, but it is also expensive than monochrome lcd. So TFTs are used in high-quality LCD displays, if you see a LCD monitor at your local computer market, it should be an active tft lcd display,  Basically, it is a high-quality tft lcd monitor.

 

What is passive matrix display?

A passive-matrix display is an LCD screen display that contains a series of wires that cross each other. See the dual scan display for a full definition on this term.

What is an active-matrix display (TFT)?

Which is better for passive matrix display and active-matrix display?

Passive matrix display is suitable for the segment displays or low duty matrix display, such as less than 320*240 pixels (such as TN or stn lcd), if the display resolution higher than 320*240 pixels, the crosstalk effect would pull down the display contrast, while the active-matrix display that with thin film transistor (TFT), the tft work as the switch and capacitor that can stop the cross-talk between the common and segment electrode, then the display contrast could keep in high without cross-talk effect.

What is the difference for TFT screen and LCD screen?

TFT means "thin-film transistor", in flat panel display, tft mean tft lcd, that it is a LCD with “ thin-film transistor. LCD means "liquid crystal display.".

Both terms refer to screen, TFT screen is brighter and faster, more colorful than a regular LCD display. TFT display can be TN tft or IPS TFT, LCD is a generic term, LCD screen included passive-matrix screen and active-matrix screen (TFT), TFT screens are widely used in computer screen, smart phone screen, with high display resolution and colorful, passive-matrix screen (TN, STN lcd) are mostly in monochrome that with lower display resolution.

What does TFT touch screen mean?

TFT touch screen means a combination device that includes a TFT LCD display and a touch panel on the screen. Touch screens are a type of overlay placed on TFT display screen used to register touch interaction on the screen. Touch screen has resistive touch and capacitive touch technology, infrared touch technology.

The tft touch screen can both display content and act as an interface device for whoever is using it. TFTs, also called TFT screens, are a type of active matrix LCD display capable of displaying content with high-contrast, clear and bright color pixels.