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TN screen, HTN screen, STN screen, VA screen are monochrome LCD screen LCM products in different types.

12864 liquid crystal is a general term, only describes a feature of the screen, for the characteristics of the lcd screen is not described.

Dot matrix screen technology takes full color as an example to package 192 LED chips in a three-color group on a module, which is composed of a unit board and a display screen composed of a unit board.

Thin Film Transistor (TFT Thin Film Field Effect Transistor) means that each liquid crystal pixel point on a liquid crystal display is driven by a thin film transistor integrated behind it.

From a broad sense, those who by the liquid crystal display device and integrated circuit assembly together of parts are belong to the module, but in fact, we often call module is the key to give directions array assembly of dot matrix LCD module

In the TFT LCD LCD module, according to the different formation reasons and position and shape differences, wire defects can be divided into in-screen wire defects, in-screen short circuit wire defects, inter-terminal short circuit wire defects, drive abnormal defects, etc.