what is tft lcd touch screen


Thin Film Transistor (TFT) is a Thin Film field-effect Transistor. The so-called thin film transistor, refers to the liquid crystal display on each of the liquid crystal pixel point is integrated in the thin film transistor to drive. Thus can achieve high speed, high brightness, high contrast display screen information. TFT belongs to active matrix liquid crystal display.


Tft-lcd is a thin film transistor type liquid crystal display, also known as “true color “(TFT). TFT liquid crystal is provided with a semiconductor switch for each pixel, each pixel can be directly controlled through the point pulse, so each node is relatively independent, and can be controlled continuously, not only improve the response speed of the display screen, but also can accurately control the display level, so the TFT liquid crystal color more true.


It is by no means accidental that TFT-LCD can stand out and become the mainstream display of the new generation in the fierce competition among numerous flat panel displays. It is the inevitable development of human science and technology and thinking mode. Liquid crystal has avoided the difficult luminescence problem, using the excellent characteristics of liquid crystal as light valve to decompose the light display device into two parts, namely the light source and the control of the light source. As a light source, whether from the luminous efficiency, full color, or life, have achieved brilliant results, but also in deepening. Since the invention of LCD, backlight in continuous progress, from monochrome to color, from thick to thin, from side fluorescent lamp type to flat fluorescent lamp type. The latest achievements in light sources will provide new backlights for LCDS. With the progress of light source technology, there will be newer and better light sources for LCD applications. The rest is to control the light source, the semiconductor large-scale integrated circuit technology and process transplant, the successful development of thin film transistor (TFT) production process, to achieve the matrix addressing control of liquid crystal light valve, solve the LCD light valve and controller, so that the advantages of liquid crystal display can be realized.


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what is tft lcd touch screen


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