Analysis of tftlcd screen display principle

by:Genyu     2019-12-12

The development of the display industry has mushroomed in recent years, with continuous development and progress. The types of products have also been updated. The application fields of tftlcd LCD screens have become more and more extensive, today, Jingyao gives you a brief introduction to the display principle of tftlcd.

What is tftlcd?

tftlcd is a classification of LCD modules. TFT is the abbreviation of 'ThinFilmTransistor' and is a thin film transistor type liquid crystal display screen, also known as 'true color'. TFT liquid crystal has a semiconductor switch for each pixel, each pixel can be directly controlled by point pulse, so each node is relatively independent and can be continuously controlled, which not only improves the reaction speed of the display screen, but also can accurately control the display color scale, therefore, the color of TFT liquid crystal is more true.

tftlcd display principle

tftlcd is an active matrix LCD, which is a screen composed of thin film transistors, each of its liquid crystal pixels is driven by a thin film transistor, which can display screen information with high speed, high brightness and high contrast. Behind each pixel point, there are four independent thin film transistors driving the pixel points to emit colored light, which can display 24-bit true color. In terms of resolution, tft LCD screen can reach UXGA (1600 × 1200).

The arrangement of TFT has Memory property, so it will not return to its original state immediately after the current disappears, therefore, the shortcomings of stn LCD flashing and blurring are improved, the effect of LCD displaying dynamic pictures is effectively improved, and the ability to display static pictures is more prominent, tftlcd LCD has the advantages of short response time and bright colors; The disadvantage of tft LCD screen is that it consumes more power and costs more.

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